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A-350 - Rev - 7

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100% found this document useful (1 vote)

282 views516 pages

A-350 - Rev - 7

Uploaded by

Ben Charfi

We take content rights seriously. If you suspect this is your content, claim it here.

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You are on page 1/ 516

U.S.

Department of Transportation
Federal Aviation Administration
Washington, DC

Master Minimum Equipment List (MMEL)

Revision: 7
Date: 07/05/2023

Airbus SAS
A350-900 Series, A350-1000 Series
All Models

David L. Robinson, Chair

Flight Operations Evaluation Board (FOEB)

Approved by the Aircraft Evaluation Division

Federal Aviation Administration (FAA)
Air Carrier Branch
AFS-100
800 Independence Avenue, S.W.
Washington, DC 20591

AED Email: 9-AVS-AFS-100@faa.gov

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. I
DATE: 07/05/2023
AIRCRAFT:
TABLE OF CONTENTS AND CONTROL PAGE
Airbus A350
SYSTEM NO. SYSTEM PAGE NO. REV NO. DATE
-- Cover Page -- 7 07/05/2023
-- Table of Contents and Control Page I 7 07/05/2023
-- Log of Revisions II 7 07/05/2023
-- Highlights of Change III thru VI 7 07/05/2023
-- FAA MMEL Policy Application Record VII thru XIII 7 07/05/2023
-- Definitions and Preamble XIV 7 07/05/2023
-- List of Acronyms XV thru XXVI 7 07/05/2023
21 Air Conditioning 21-1 thru 51 7 07/05/2023
22 Autoflight 22-1 thru 14 4 05/09/2022
23 Communications 23-1 thru 9 5 12/18/2020
24 Electrical Power 24-1 thru 18 7 07/05/2023
25 Equipment/Furnishings 25-1 thru 33 7 07/05/2023
26 Fire Protection 26-1 thru 20 6 05/09/2022
27 Flight Controls 27-1 thru 46 7 07/05/2023
28 Fuel 28-1 thru 26 7 07/05/2023
29 Hydraulic Power 29-1 thru 10 7 07/05/2023
30 Ice and Rain Protection 30-1 thru 14 6 05/09/2022
31 Indicating/Recording Systems 31-1 thru 16 7 07/05/2023
32 Landing Gear 32-1 thru 63 7 07/05/2023
33 Lights 33-1 thru 20 7 07/05/2023
34 Navigation 34-1 thru 19 7 07/05/2023
35 Oxygen 35-1 thru 9 7 07/05/2023
36 Pneumatic 36-1 thru 10 7 07/05/2023
38 Water/Waste 38-1 thru 3 4 05/01/2019
42 Integrated Modular Avionics 42-1 thru 39 7 07/05/2023
44 Cabin Systems 44-1 thru 11 5 12/18/2020
46 Information Systems 46-1 thru 6 7 07/05/2023
47 Inert Gas System 47-1 5 12/18/2020
49 Airborne Auxiliary Power 49-1 thru 5 6 05/09/2022
50 Cargo and Accessory Compartments 50-1 thru 9 7 07/05/2023
52 Doors 52-1 thru 15 6 05/09/2022
73 Engine Fuel and Control 73-1 thru 5 7 07/05/2023
74 Ignition 74-1 4 05/01/2019
75 Bleed Air 75-1 thru 4 7 07/05/2023
77 Engine Indicating 77-1 thru 3 5 12/18/2020
78 Engine Exhaust 78-1 thru 6 7 07/05/2023
79 Engine Oil 79-1 thru 2 6 05/09/2022
80 Starting 80-1 6 05/09/2022
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. II
DATE: 07/05/2023
AIRCRAFT:
LOG OF REVISIONS
Airbus A350
REV NO. DATE
Original 05/12/2016

1 01/31/2017

2 10/04/2017

2a 11/07/2017

3 02/16/2018

4 05/01/2019

5 12/18/2020

6 05/09/2022

7 07/05/2023
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. III
DATE: 07/05/2023
AIRCRAFT:
HIGHLIGHTS OF CHANGE
Airbus A350

The following are the Highlights of Changes for Revision 7.

ITEM NO. EXPLANATION OF CHANGE

General Minor editorial corrections and formatting changes were made throughout the
document, indicated with change bars. These editorial corrections may be adopted in
Minimum Equipment Lists (MEL) at the operator’s discretion.

General Updated FAA MMEL Policy Application Record.

ATA 21 Air Conditioning

21-28-01 Updated MOD applicability.

21-28-03 Updated MOD applicability.

21-28-04 Updated MOD applicability.

21-29-01 Updated MOD applicability.

21-29-06 Added new dispatch conditions with MOD applicability.

21-29-07 Added new dispatch conditions with MOD applicability.

21-29-08 New item.

21-29-09 New item.

21-29-10 New item.

21-50-08 Updated repair category and interval.

21-50-09 Updated repair category and interval.

ATA 24 Electrical Power

24-09-02 Updated MOD applicability.

24-22-03 Updated MOD applicability.

24-22-06 New item.

24-24-02 Updated MOD applicability.

24-36-02 Updated provisos.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. IV
DATE: 07/05/2023
AIRCRAFT:
HIGHLIGHTS OF CHANGE
Airbus A350
ITEM NO. EXPLANATION OF CHANGE
ATA 25 Equipment/Furnishings

25-21-11 New item.

25-69 Corrected sub-system title header on page 25-33.

ATA 27 Flight Controls

27-24-01 Added proviso.

27-24-02 Deleted item, Revision 7.

27-51-01 Added dispatch condition with MOD applicability.

27-51-02 Added dispatch condition with MOD applicability.

27-51-08 New item.

27-64-01 Updated Operational Titles.

27-64-02 Updated operational titles, MOD applicability, and added new dispatch condition.

27-64-03 Updated operational titles, MOD applicability, and added new dispatch conditions.

27-64-04 Updated operational titles, MOD applicability, and added new dispatch conditions.

27-64-05 Updated operational titles, MOD applicability, and added new dispatch conditions.

27-64-06 Updated Operational Titles.

27-91-07 Updated MOD applicability.

27-94-02 Updated MOD applicability.

ATA 28 Fuel

28-25-07 New item.

28-51-05 Updated proviso.

ATA 29 Hydraulic Power

29-09-02 New item with MOD applicability.

29-09-03 New item with MOD applicability.

29-10-01 Added new dispatch condition with MOD applicability.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. V
DATE: 07/05/2023
AIRCRAFT:
HIGHLIGHTS OF CHANGE
Airbus A350
ITEM NO. EXPLANATION OF CHANGE
ATA 31 Indicating/Recording Systems

31-30-01 Added (O) Procedure designator.

31-30-03 Added (O) Procedure designator.

31-60-17 New item.

ATA 32 Landing Gear

32-07-01 Updated dispatch condition.

32-31-01 Added provisos.

32-31-09 New item.

ATA 33 Lights

33-40-07 Corrected typos.

ATA 34 Navigation

34-11-04 Updated model applicability.

34-36-01 Added dispatch condition.

34-50-01 Added dispatch condition.

ATA 35 Oxygen

35-20-06 Updated proviso and added item references.

ATA 36 Pneumatic

36-11-04 Corrected repair category typo.

36-22-01 Updated repair intervals.

ATA 42 Integrated Modular Avionics

42-31-01 New item.

42-31-02 New item.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. VI
DATE: 07/05/2023
AIRCRAFT:
HIGHLIGHTS OF CHANGE
Airbus A350
ITEM NO. EXPLANATION OF CHANGE
ATA 46 Information Systems

46-20-03 Corrected typo.

46-20-07 Deleted item. Added note.

46-30-01 Corrected typo.

ATA 50 Cargo and Accessory Compartments

50-10-03 Updated provisos and added notes.

50-10-04 Updated provisos and added notes.

ATA 73 Engine Fuel and Control

73-09-02 Updated proviso and added dispatch conditions.

73-09-05 New item.

ATA 75 Bleed Air

75-24-01 Updated dispatch conditions.

75-24-02 Updated dispatch conditions.

ATA 78 Engine Exhaust

PL-034 MMEL and MEL Preamble Revision 4 As Applicable

08/15/1997

PL-036 FAR Part 91 MEL Approval & Preamble Revision 3 N/A

06/16/2020

PL-038 Policy Regarding MMEL Relief for Primary Thrust Revision 1 N/A
Setting Instruments on Two-Engine Airplanes 08/15/1997

PL-039 Altitude Alerting Systems Revision 5 N/A

01/29/2010

PL-040 ETOPS and Polar Operations Revision 3 23-28-01

11/10/2020 24-22-01
24-22-02
24-23-01
26-10-01
26-10-02
26-10-03
26-10-05
26-20-02
26-20-03
30-11-01
30-21-01
30-31-05
30-31-06
30-42-01
30-42-03
34-71-08
36-11-01
36-11-02
36-11-03

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. IX
DATE: 07/05/2023
AIRCRAFT:
FAA MMEL POLICY APPLICATION RECORD
Airbus A350
Affected Item
PL Revision and
PL No. Subject Sequence
Date
Number(s)
PL-040 ETOPS and Polar Operations 36-11-04
(Cont’d) 36-11-05
36-11-09
36-11-10
36-11-12
42-11-06
42-11-07
49-10-01
49-16-01
49-90-01

PL-045 Time Limited Dispatch (TLD) Authorization for Full Revision 2 N/A
Authority Digital Electronic Control (FADEC) 03/04/2004
Engines

PL-054 Terrain Awareness and Warning System (TAWS) Revision 10 34-71-02

10-31-2005 34-71-03
34-71-04

PL-056 Flight Deck FWD Observer Seat Revision 5 23-51-06

01/01/2012 25-12-01
25-12-02
25-12-03
25-12-04
25-12-05
25-12-06

PL-058 Flight Deck Headsets and Hand Microphones Revision 4 23-51-08

03/24/2012 23-51-09

PL-063 Instrument and Equipment Items Required for Revision 4 As Applicable

Emergency Procedures 07/05/2012

PL-064 Electrical Power MMEL Policy - Four Engine Revision 1 N/A

Cargo Airplanes 08/15/1997

PL-065 Policy Regarding Cargo Provisions in the MMEL Revision 1 N/A

for Cargo Operations 08/15/1997

PL-067 Windshear Warning and flight Guidance System Revision 4 22-60-02

(RWS) Windshear Detection and Avoidance 01/15/2012 34-71-09
System (PWS)

PL-069 External Door Indication System Revision 2 52-07-02

09/24/2003
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. X
DATE: 07/05/2023
AIRCRAFT:
FAA MMEL POLICY APPLICATION RECORD
Airbus A350
Affected Item
PL Revision and
PL No. Subject Sequence
Date
Number(s)
PL-072 Wing Icing Detection Lights Revision 4 33-40-10
03/12/2012

PL-076 ATC Transponders and Automatic Altitude Revision 7 34-71-05

Reporting Systems 12/04/2017

PL-077 Cockpit and Instrument Lighting Systems Revision 4 33-10-01

12/17/2012 33-10-02

PL-079 Passenger Seat Relief Revision 9 25-21-01

12/05/2017 25-21-02
25-21-05
25-21-06

PL-083 Water and Waste Systems on Air Carrier Aircraft Revision 8 38-10-01
05/11/2015 38-30-01

PL-084 Master Minimum Equipment List (MMEL) for Revision 1 As Applicable

Reduced Separation Minimum (RVSM) 08/15/1997
Operations

PL-087 Flight Data Recorder (FDR) Revision 10 31-30-01

08/10/2010 31-30-02
31-30-03

PL-089 FASTEN SEAT BELT WHILE SEATED Signs or Revision 2 N/A

Placards 01/31/2009

PL-090 Pitot Heat Indicating System Revision 1 N/A

09/20/2001

PL-093 Autopilot Disconnect MMEL Policy Revision 1 N/A

09/11/2006

PL-094 Liquid or Paste Propeller Deicer Revision 1 N/A

10/08/2004

PL-095 VHF Communications MMEL Requirements Revision 2 23-12-01

01/15/2012

PL-096 Galley/Cabin Waste Receptacles Access Revision 2 25-35-01

Doors/Covers 01/29/2010 25-35-02

PL-097 Flight Attendant Seat(s) Revision 4 25-22-01

09/06/2007
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. XI
DATE: 07/05/2023
AIRCRAFT:
FAA MMEL POLICY APPLICATION RECORD
Airbus A350
Affected Item
PL Revision and
PL No. Subject Sequence
Date
Number(s)
PL-098 Navigation Databases Revision 1 46-20-03
06/01/2017

PL-099 Door/Slide Relief Policy Revision 2 N/A

02/26/2010

PL-100 MMEL/MEL Relief for Cargo Restraint Revision 3 50-20-02

Components 10/02/2020

PL-101 Autopilot Relief Revision 2 22-10-01

12/15/2011

PL-102 Cargo Compartment Smoke Detection and Fire Revision 2 26-16-02

Suppression Systems 12/17/2012 26-16-04
26-23-02
26-23-04
26-23-06
26-23-08
26-23-10
26-23-12

PL-104 Storage Bins/Cabin, Galley and Lavatory Storage Revision 7 25-50-05

Compartments/Closets 06/24/2020 25-50-06

PL-105 Automatic Dependent Surveillance-Broadcast Revision 4 34-36-01

(ADS-B) System 02/08/2021 34-50-01
34-71-07

PL-106 High Frequency (HF) Communications Revision 5 23-11-01

06/06/2014

PL-107 MMEL Relief for Inoperative APU Generator Revision 1 24-23-01

05/22/2001

PL-108 Carriage of Empty Cargo Handling Equipment Revision 1 26-16-02

10/17/2011 26-16-04
26-23-02
26-23-04
26-23-06
26-23-08
26-23-10
26-23-12

PL-109 Supplemental Type Certificate (STC) MMEL/MEL Revision 1 As Applicable

Relief Process 11/07/2019
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. XII
DATE: 07/05/2023
AIRCRAFT:
FAA MMEL POLICY APPLICATION RECORD
Airbus A350
Affected Item
PL Revision and
PL No. Subject Sequence
Date
Number(s)
PL-111 MMEL Policy for Inoperative Standby Attitude Revision 1 N/A
Indicator 01/29/2004

PL-112 Relief for 14 CFR 25.795 Compliant Flight Deck Revision 2 52-51-01
Doors 01/18/2012 52-51-04
52-51-05
52-51-06

PL-113 MMEL Relief for Anti-Skid Inoperative Revision 0 N/A

12/20/2002

PL-114 Nose Gear Steering Systems Revision 1 N/A

10/09/2012

PL-117 Selective Call System (SELCAL) Revision 0 23-51-01

10/07/2005

PL-119 Two-Section MMELs (Parts 91, 125, and 135) Revision 4 N/A
12/04/2017

PL-120 Emergency Locator Transmitters (ELT) Revision 4 25-65-04

03/10/2023 25-69-01
25-69-02

PL-121 (EFB) Electronic Flight Bag Revision 1 46-20-02

05/03/2021 46-20-06
46-20-07
46-20-09

PL-122 Flight Deck Door Surveillance Systems Revision 1 44-50-01

10/09/2012

PL-123 Passenger Notice System (Lighted Information Revision 1 33-26-01

Signs) 04/30/2010 33-26-02

PL-124 Damaged Window/Windshield Relief Revision 0 N/A

01/20/2009

PL-125 Equipment Relief without Passengers Revision 1 As Applicable

11/27/2012

PL-126 Chelton FlightLogic Electronic Flight Instrument Revision 0 N/A

Systems (EFIS) 05/28/2010

PL-127 Night Vision Imaging Systems (NVIS) Revision 0 N/A

06/07/2010
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. XIII
DATE: 07/05/2023
AIRCRAFT:
FAA MMEL POLICY APPLICATION RECORD
Airbus A350
Affected Item
PL Revision and
PL No. Subject Sequence
Date
Number(s)
PL-129 Cockpit Smoke Vision Systems (CSVS) Revision 0 N/A
03/12/2012

PL-130 Flightcrew Rest Facilities (FCRF) Revision 2 25-50-01

03/12/2021 25-50-02
25-50-03

PL-131 Radar (Radio) Altimeters for Rotorcraft Revision 0 N/A

10/23/2019

PL-132 Portable Emergency Equipment Revision 0 25-64-01

05/03/2021 25-64-02
25-64-03
25-65-01
25-65-02
25-65-06
26-24-01
35-30-01
35-30-02
35-30-03
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. XIV
DATE: 07/05/2023
AIRCRAFT:
DEFINITIONS AND PREAMBLE
Airbus A350

Definitions

Refer to the current FAA MMEL Policy Letter 25, MMEL and MEL Definitions, found on the FAA
Dynamic Regulatory System (DRS) website.

Preamble

For operations under 14 CFR parts 91 subpart K (part 91K), 121, 125, 125 LODA, 129, and 135, refer
to the current FAA MMEL Policy Letter PL-34, MMEL and MEL Preamble. For operations under
14 CFR part 91, refer to current FAA MMEL Policy Letter PL-36, 14 CFR Part 91 MEL Approval and
Preamble. Both Policy Letters are found on the FAA Dynamic Regulatory System (DRS) website.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. XV
DATE: 07/05/2023
AIRCRAFT:
LIST OF ACRONYMS
Airbus A350
ACRONYM DEFINITION
A
A/BRK Autobrake
A/THR Autothrust
AAP Additional Attendant Panel
AAT Aircraft Allocation Table
ABSELV Alternate Brake Selector Valve
AC Alternating Current
ACCU Accumulator
ACFT Aircraft
ACMS Aircraft Condition Monitoring System
ACP Audio Control Panel
ACS Air Conditioning System
AD Airworthiness Directive
ADF Automatic Direction Finder
ADGB Active Differential Gearbox
ADHF Adaptive Dropped Hinge Flap
ADIRS Air Data Inertial Reference System
ADIRU Air Data Inertial Reference Unit
ADR Air Data Reference
ADS Aircraft Documentation System
ADS-B Automatic Dependent Surveillance-Broadcast
ADS-C Automatic Dependent Surveillance Contract
AECM Alternate Extension Control Module
AED Automatic Emergency Descent
AED Automatic External Defibrillator
AEFO All Engine Flame Out
AESS Aircraft Environment Surveillance System
AFDX Avionics Full Duplex Switched Ethernet
AFM Airplane Flight Manual
AFS Automatic Flight System
AGL Above Ground Level
AGS Air Generation System
AIP Attendant Indication Panel
ALT Altitude
ALTN Alternate
ANF Airport Navigation Function
AOA Angle of Attack
AOC Airline Operational Control
AP Autopilot
APCH Approach
APP Alternate Power Pack
APPR Approach
APU Auxiliary Power Unit
APU GEN Auxiliary Power Unit Generator
AR Authorization Required
ARA Approaching Runway Advisory
ARV Alternate Refill Valve
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. XVI
DATE: 07/05/2023
AIRCRAFT:
LIST OF ACRONYMS
Airbus A350
ACRONYM DEFINITION
ASCU Air System Control Unit
ASFC Avionics Server Function Cabinet
ASV Alternate Servo Valve
ATA Air Transport Association
ATC Air Traffic Control
ATSU Air Traffic Service Unit
ATT Attitude
ATQC Airbus Temporary Quick Change
ATU Auto Transformer Unit
AUTO Automatic
AVNCS Avionics
B
B/UP Backup
BAM Bleed Air Monitoring
BAS Bleed Air System
BAT Battery
BBAND Broadband
BCF Brake Cooling Fan
BCL Battery Charge Limiter
BCM Backup Control Module
BCS Braking Control System
BITE Built-In Test Equipment
BKUP Backup
BMD Backup Motor Driver
BOMU Bleed and Overheat Monitoring Unit
BPS Backup Power Supply
BPT Bogie Pitch Trimmer
BPTMS Bogie Pitch Trimmer Monitoring System
BPTU Brake Pedal Transmitter Unit
BRT Bright
BSV Brake Shuttle Valve
BTCM Brake Temperature Control Module
BTMS Brake Temperature Monitoring System
BTS Brake Temperature Sensor
BTV Brake To Vacate
C
C/B Circuit Breaker
C/L Checklist
CAB Cabin
CAM Cabin Assignment Module
CAN Controller Area Network
CAPT Captain
CAT Category
CAV Cold Air Valve
CBMU Circuit Breaker Monitoring Unit
CCD Cursor Control Device
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. XVII
DATE: 07/05/2023
AIRCRAFT:
LIST OF ACRONYMS
Airbus A350
ACRONYM DEFINITION
CCRC Cabin Crew Rest Compartment
CDL Configuration Deviation List
CDLS Cockpit Door Locking System
CDM Coolant Distribution Module
CDS Control and Display System
CDSS Cockpit Door Surveillance System
CED Cooling Effect Detector
CELLI Ceiling Emergency LED Lights
CEV Commercial Equipment Ventilation
CFP Computerized Flight Plan
CG Center of Gravity
CIDS Cabin Intercommunication Data System
CIU Camera Interface Unit
CKPT Cockpit
CLS Cargo Loading System
CMC Central Maintenance Computer
CMS Central Maintenance System
CMV Concentrator and Multiplexer for Video
COM Command
CONF Configuration
CP Control Panel
CPC Cabin Pressure Controller
CPCS Cabin Pressure Control System
CPDLC Controller-Pilot Datalink Communication
CPIOM Core Processing Input/Output Module
CRC Crew Rest Compartment
CRDC Common Remote Data Concentrator
CRFL Cruise Flight Level
CSAS Conditioned Service Air System
CTL Control
CTS Cabin/Compartment Zone Temperature Sensor
CVMS Cabin Video Monitoring System
CVR Cockpit Voice Recorder
D
D-ATIS Digital Automatic Terminal Information System
DBPV Door Bypass Valve
DC Direct Current
DCL Departure Clearance
DEU Decoder/Encoder Unit
DFDR Digital Flight Data Recorder
DFS Differential Flap Setting
DH Decision Height
DLCS Data Loading Configuration System
DME Distance Measuring Equipment
DMU Data Management Unit
DOLLI Dome Emergency LED Light
DPI Differential Pressure Indicator
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. XVIII
DATE: 07/05/2023
AIRCRAFT:
LIST OF ACRONYMS
Airbus A350
ACRONYM DEFINITION
DSCS Door and Slides Control System
DTS Duct Temperature Sensor
DU Display Unit
E
EASA European Aviation Safety Agency
EBAS Engine Bleed Air System
EBHA Electrical Backup Hydraulic Actuator
EC European Commission
ECAM Electronic Centralized Aircraft Monitoring
ECAS Emergency Cockpit Alerting System
ECP ECAM Control Panel
EDMU Electrical Distribution Management Unit
EDP Engine Driven Pump
EEC Engine Electronic Controller
EENMU Emergency Electrical Network Management Unit
EEP ETOPS Entry Point
EFB Electronic Flight Bag
EFCS Electronic Flight Control System
EFIS Electronic Flight Instrument System
EGT Exhaust Gas Temperature
e-GDO Electrical Ground Door Opening
EHA Electro-Hydrostatic Actuator
EHM Engine Health Monitoring
EIF Engine Interface Function
ELCO SW External Lighting Controller Software
ELMF Electrical Load Management Function
ELS Exterior Light System
ELT Emergency Locator Transmitter
EM Electronic Module
EMA Electro-Mechanical Actuator
EMCU Electrical Motor Control Unit
EMER Emergency
EMK Emergency Medical Kit
EMP Electric Motor Pump
ENG Engine
EPR Engine Pressure Ratio
EPCU External Power Control Unit
EPDC Electrical Power Distribution Center
EPSU Emergency Power Supply Unit
EQPT Equipment
ERAI Emergency Ram Air Inlet
ESBF Electrical System BITE Function
ESS Essential
ETACS External and Taxiing Aid Camera System
ETOPS Extended Range Twin Engine Aircraft Operations
EU European Union
EXP ETOPS eXit Point
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. XIX
DATE: 07/05/2023
AIRCRAFT:
LIST OF ACRONYMS
Airbus A350
ACRONYM DEFINITION
F
F/O First Officer
FADEC Full Authority Digital Engine Control
FANS Future Air Navigation System
FAP Flight/Forward Attendant Panel
FAK First Aid Kit
FC Failure Condition
FCDC Flight Control Data Concentrator
FCGS Flight Control and Guidance System
FCOM Flightcrew Operating Manual
FCRC Flightcrew Rest Compartment
FCRM Flight Control Remote Module
FCTM Flightcrew Technique Manual
FCU Flight Control Unit
FCV Flow Control Valve
FD Flight Director
FDIU Flight Data Interface Unit
FDU Fire Detection Unit
FDR Flight Data Recorder
FE Flight Envelope
FEDC Fire Extinguisher Data Converter
FES Fire Extinguishing System
FESRA Fire, Explosion, and Smoke Risk Analysis
FG Flight Guidance
FL Flight Level
FLS FMS Landing System
FM Flight Management
FMA Flight Mode Annunciator
FMB Flow Metered Bottle
FMC Flight Management Computer
FME Flow Metering Equipment
FMS Flight Management System
F/O First Officer
FOB Fuel on Board
FOD Foreign Object Damage
FOHE Fuel/Oil Heat Exchanger
FPEEPMS Floor-Proximity Emergency-Escape Path-Marking System
F-PLN Flight Plan
FPMS Floor Path Marking System
FQ Fuel Quantity
FQI Fuel Quantity Indication
FQMS Fuel Quantity and Management System
FSN Fleet Serial Number
FSOV Fire Shutoff Valve
FTIS Fuel Tank Inerting System
FWD Forward
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. XX
DATE: 07/05/2023
AIRCRAFT:
LIST OF ACRONYMS
Airbus A350
ACRONYM DEFINITION
FWS Flight Warning System
FZFG Freezing Fog
G
G/S Glide Slope
GBCT Ground Brake Cooling Time
GCU Generator Control Unit
GDO Ground Door Opening
GDOP Ground Door Opening Panel
GEN Generator
GFLI Ground Fuel Level Indicator
GLA Gust Load Alleviation
GLS Ground Based Augmentation System (GBAS) Landing System
GNSS Global Navigation Satellite System
GPU Ground Power Unit
GPS Global Positioning System
GPWS Ground Proximity Warning System
GW Gross Weight
GWCG Gross Weight Center of Gravity
H
HCF Heading Control Function
HCU Head-Up Combiner Unit
HERTO High Energy Rejected Takeoff
HF High Frequency
HI High
HID High Intensity Discharge
HLS High Lift System
HMCA Hydraulic Monitoring and Control Application
HP High Pressure
HPTCC High Pressure Turbine Case Cooling
HRB High Rated Bottle
HSMU Hydraulic System Monitoring Unit
HUD Head-Up Display
I
IAS Indicated Airspeed
ICP Integrated Control Panel
IFE In-Flight Entertainment
IFEC In-Flight Entertainment Center
IFR Instrument Flight Rules
IGGS Inert Gas Generation System
ILS Instrument Landing System
IMA Integrated Modular Avionics
INTMT Intermittent
IP Intermediate Pressure
IPTCC Intermediate Pressure Turbine Case Cooling
IR Inertial Reference
IRS Inertial Reference System
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. XXI
DATE: 07/05/2023
AIRCRAFT:
LIST OF ACRONYMS
Airbus A350
ACRONYM DEFINITION
ISA International Standard Atmosphere
ISDU Inertial Sensor Display Unit
ISIS Integrated Standby Instrument System
J
JFGW Jettison Final Gross Weight
K
KCCU Keyboard and Cursor Control Unit
L
L/G Landing Gear
LAF Load Alleviation Function
LATC Live Animal Transportation Calculation Tool
LDCC Lower Deck Cargo Compartment
LED Light Emitting Diode
LEDU List of Effective Documentary Units
LF-ULB Low Frequency – Underwater Locator Beacon
LG Landing Gear
LGCIS Landing Gear Control Interface System
LGERS Landing Gear Extension and Retraction System
LGMS Landing Gear Monitoring System
LIE Lightening Indirect Effect
LOC Localizer
LOM List of Modifications
LP Low Pressure
LPGC Low Pressure Ground Cart
LS Landing System
LVDT Linear Variable Differential Transducer
LW Landing Weight
M
MAC Mean Aerodynamic Chord
MAINT Maintenance
MCA Maintenance Central Access
MAN Manual
MEA Minimum Enroute Altitude
MECH Mechanics
MEL Minimum Equipment List
MES Main Engine Start
MFD Multipurpose Flight Display
MFP Multifunction Probe
MLA Maneuver Load Alleviation
MLG Main Landing Gear
MLS Microwave Landing System
MLW Maximum Landing Weight
MM Maintenance Message
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. XXII
DATE: 07/05/2023
AIRCRAFT:
LIST OF ACRONYMS
Airbus A350
ACRONYM DEFINITION
MMEL Master Minimum Equipment List
MMO Maximum Operating Mach
MMR Multi-Mode Receiver
MNPS Minimum Navigation Performance Specification
MOD Modification
MON Monitoring
MORA Minimum On-Route Altitude
MP Modification Proposal
MPC Maximum Passenger Capacity
MPZC Maximum Permitted Zone Capacity
MSA Minimum Safe Altitude
MTS Mixer Temperature Sensor
N
N1 Engine Low Pressure Rotor Speed
N2 Engine Intermediate Pressure Rotor Speed
N3 Engine High Pressure Rotor Speed
N/A Not Applicable
NAA National Aviation Authority
NAV Navigation
NAVAIDS Navigation Aids
NBSELV Normal Brake Selector Valve
NEF Nonessential Equipment and Furnishings
ND Navigation Display
NDU Navigation Display Unit
NLG Nose Landing Gear
NRV Negative Relief Valve
NSV Normal Servo Valve
NWS Nose Wheel Steering
O
OAT Outside Air Temperature
OCL Oceanic Clearance
OCU Outflow Valve Control Unit
ODMS Oil Debris Monitoring System
OEI One Engine Inoperative
OFV Outflow Valve
OHDC Over Heat Detection Card
OIS Onboard Information System
OMT Onboard Maintenance Terminal
OPS Operations
ORV Overpressure Relief Valve
OSFC Open-World Server Function Cabinet
OVRD Override
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. XXIII
DATE: 07/05/2023
AIRCRAFT:
LIST OF ACRONYMS
Airbus A350
ACRONYM DEFINITION
P
P/N Part Number
PA Passenger Address
PAX Passenger
pb Push Button
pb-sw Push Button Switch
PBE Portable Breathing Equipment
PBSELV Park Brake Selector Valve
PCU Power Control Unit
PDF Portable Document Format
PDMMF Power Distribution Monitoring and Maintenance Function
PDS Pack Discharge Temperature Sensor
PED Portable Electronic Device
PERF Performance
PF Pilot Flying
PFCS Primary Flight Control System
PFD Primary Flight Display
PFDU Primary Flight Display Unit
PFR Post-Flight Report
PFS Pack Flow Sensor
PFTU Pedal Feel Trim Unit
PHC Probes Heat Computer
PLD Partial Lift Dumping
PLT Pre-Land Test
PLV Pressure Limiting Valve
PM Pilot Monitoring
PRA Particular Risk Analysis
PRAM Pre-Recorded Announcement and Music Reproducer
PRIM PRIMary Flight Control and Guidance Computer
PRSOV Pressure Regulation and Shut Off Valve
PRV Pressure Regulation Valve
PSU Power Supply Unit
Q
QNH Sea Level Atmospheric Pressure
QRH Quick Reference Handbook
R
RA Radio Altitude
RAT Ram Air Turbine
RBCU Remote Braking Control Unit
RCCB Remote Control Circuit Breaker
RGAU Rate Gyro-Accelerometer Unit
RH Right Hand
RMP Radio Management Panel
RNAV Area Navigation
RNP Required Navigation Performance
RNP-AR Required Navigation Performance with Authorization Required
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. XXIV
DATE: 07/05/2023
AIRCRAFT:
LIST OF ACRONYMS
Airbus A350
ACRONYM DEFINITION
ROP Runway Overrun Protection
ROW Runway Overrun Warning
RSVR Reservoir
RTO Rejected Takeoff
RTOW Rejected Takeoff Weight
RVSM Reduced Vertical Separation Minimum
S
SAT Static Air Temperature
SATCOM Satellite Communication
SB Service Bulletin
SCI Secure Communication Interface
SD System Display
SDU System Display Unit
SEC SECondary Flight Control Computer
SELCAL Selective Call
SFCC Slat/Flap Control Computer
SFD Standby Flight Display
SID Standard Instrument Departure
SLS Satellite Landing System
SND Standby Navigation Display
SOH Summary of Highlights
SOP Standard Operating Procedure
SPD Speed
SPDB Secondary Power Distribution Box
SPP Software Pin Programing
SPU Starter Power Unit
SSA System Safety Assessment
SSPC Solid State Power Contactor
STAR Standard Terminal Arrival Route
STBY Standby
SURV Surveillance
SYS System
T
TAC Taxiing Aid Camera
TACKV Trim Air non-return Check Valve
TACS Taxiing Aid Camera System
TAPRV Trim Air Pressure Regulating Valve
TAPS Trim Air Pressure Sensor
TAS True Airspeed
TASOV Trim Air Shutoff Valve
TAT Total Air Temperature
TAV Trim Air Valve
TAWS Terrain Awareness and Warning System
TCAS Traffic Alert and Collision Avoidance System
TCS Temperature Control System
TCV Temperature Control Valve
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. XXV
DATE: 07/05/2023
AIRCRAFT:
LIST OF ACRONYMS
Airbus A350
ACRONYM DEFINITION
THR Thrust
THS Trimmable Horizontal Stabilizer
TOC Table of Contents
TOGA Takeoff/Go Around
TOS Takeoff Securing
TOW Takeoff Weight
TPIC Tire Pressure Indicating Computer
TPIS Tire Pressure Indicating System
TR Transformer Rectifier Unit
TSM Trouble Shooting Manual
TTL Taxi, Takeoff, and Landing
TWDC Tank Wall Data Concentrator
U
UCV Unpressurized Compartment Ventilation
UERF Uncontained Engine Rotor Failure
ULD Unit Load Device
ULR Ultra Long Range
UTC Universal Coordinated Time
V
V1 Critical Engine Failure Speed
V2 Takeoff Safety Speed
V/S Vertical Speed
VAC Voltage Alternating Current
VAPP Approach Speed
VC Variable Camber
VCC Video Control Center
VCRU Vapor Cycle Refrigeration Unit
VCS Ventilation Control System
VD Vertical Display
VENT Ventilation
VFE Maximum Speed for each Flap Configuration
VFG Variable Frequency Generator
VFR Visual Flight Rules
VHF Very High Frequency
VIGV Variable Inlet Guide Vane
VLE Max Landing Gear Extended Speed
VMC Visual Meteorological Conditions
VMCA Minimum Control Speed in Flight
VMCG Minimum Control Speed on Ground
VMO Maximum Operating Speed
VMU Minimum Unstick Speed
VOZC Volatile Organic Compound and Ozone Converter
VOR VHF Omnidirectional Range
VQAR Virtual Quick Access Recorder
VR Rotation Speed
VS Reference Stalling Speed
VTP Vertical Tail Plane
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. XXVI
DATE: 07/05/2023
AIRCRAFT:
LIST OF ACRONYMS
Airbus A350
ACRONYM DEFINITION
W
W&ES Wing and Engine Scan (lights)
W Weight
WBBC Weight and Balance Backup Computation
WBS Weight and Balance System
WD Warning Display
WDU Warning Display Unit
WETS Water Extractor Temperature Sensor
WIPS Wing Ice Protection System
WRDC Wheel Remote Data Concentrator
WTB Wing Tip Brake
WV Weight Variant
WX Weather
X
XML Extensible Markup Language
Z
ZFW Zero Fuel Weight
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-1
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-01 AIR Overhead Panel

21-01-01 PACK 1(2) pb-sw FAULT

light

21-01-01A C 2 0 One or both may be inoperative.

21-01-02 PACK 1(2) pb-sw

OFF light

21-01-02A C 2 0 One or both may be inoperative.

21-01-03 RAM AIR pb-sw ON light

21-01-03A C 1 0 May be inoperative.

21-01-04 HOT AIR 1(2) pb-sw

FAULT light

21-01-04A C 2 0 One or both may be inoperative.

21-01-05 HOT AIR 1(2) pb-sw

OFF light

21-01-05A C 2 0 One or both may be inoperative.

21-01-07 WINDSHIELD DEFOG

pb-sw ON light

21-01-07A C 1 0 May be inoperative.

21-01-31 AIR FLOW selector

21-01-31A C 1 0 (O) May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-2
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-02 CABIN PRESS

Overhead Panel

21-02-01 CABIN ALT MODE

pb-sw MAN light

21-02-01A C 1 0 (O) May be inoperative.

21-02-02 CABIN V/S MODE pb-sw

MAN light

21-02-02A C 1 0 (O) May be inoperative.

21-02-03 DITCHING pb-sw

ON light

21-02-03A C 1 0 (O) May be inoperative.

21-03 CARGO AIR COND

Overhead Panel

21-03-01 BULK HEATER pb-sw

FAULT light

21-03-01A C 1 0 May be inoperative.

21-03-02 BULK HEATER pb-sw

OFF light

21-03-02A C 1 0 May be inoperative.

21-03-03 BULK ISOL VALVES

pb-sw FAULT light

21-03-03A C 1 0 May be inoperative.

21-03-04 BULK ISOL VALVES

pb-sw OFF light

21-03-04A C 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-3
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-03 CARGO AIR COND

Overhead Panel

21-03-05 FWD ISOL VALVES

*** pb-sw FAULT light
(Aircraft with
MP L41091/
MOD 100333)

21-03-05A C 1 0 May be inoperative.

21-03-06 FWD ISOL VALVES

*** pb-sw OFF light
(Aircraft with
MP L41091/
MOD 100333)

21-03-06A C 1 0 May be inoperative.

21-03-07 AFT ISOL VALVES

*** pb-sw FAULT light
(Aircraft with
MP L41093/
MOD 100335)

21-03-07A C 1 0 May be inoperative.

21-03-08 AFT ISOL VALVES

*** pb-sw OFF light
(Aircraft with
MP L41093/
MOD 100335)

21-03-08A C 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-4
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-04 VENT Overhead Panel

21-04-01 COOLG pb-sw

FAULT light

21-04-01A D 1 0 May be inoperative.

21-04-02 COOLG pb-sw OFF light

21-04-02A D 1 0 May be inoperative.

21-04-03 CAB FANS pb-sw

OFF light

21-04-03A C 1 0 May be inoperative.

21-04-04 AVNCS EXTRACT

pb-sw FAULT light

21-04-04A C 1 0 May be inoperative.

21-04-05 AVNCS EXTRACT

pb-sw OVRD light

21-04-05A C 1 0 May be inoperative.

21-05 AIR MAINTENANCE

Overhead Panel

21-05-01 GND COOLG AVNCS

*** pb-sw OFF light
(Aircraft with
MP L41095/
MOD 100336)

21-05-01A D 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-5
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-07 Indications on SD pages

21-07-01 Indications on the

BLEED SD page

21-07-01-01 Pack Temperature

Monitoring on the
BLEED SD page

21-07-01-01A C 4 0 One or more may be inoperative.

21-07-01-02 Pack Valve Position

Monitoring on the
BLEED SD page

21-07-01-02A C 2 0 (O) One or both may be inoperative

provided that the closure function of
both associated pack valves is
checked operative on the BLEED SD
page.

21-07-03 Indications on the COND

SD page

21-07-03-01 Hot Air Valve Position

21-09-02 AIR PACK 1(2) REGUL

DEGRADED Message

21-09-02A C - - One or both may be displayed on the

DISPATCH page.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-7
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-09 Dispatch Messages

21-09-03 AIR PRESS LO ON

FUEL INERTING 1(2)
Message
(Aircraft with
MP L44215/
MOD 114075)

21-09-03A A - - (M)(O) One or both may be displayed

on the DISPATCH page for |
10 flight-days provided that:
1) The associated fuel inerting
inlet valve is deactivated in the
closed position, and
2) None of the following dispatch
messages are present for the
associated fuel inerting
system:
- AIR TEMP CTL VLV ON
FUEL INERTING 1(2), and
- AIR TURB VLV ON FUEL
INERTING 1(2).

21-09-04 CAB PRESS

ABNORMAL LEAKAGE
Message

21-09-04A C - - May be displayed on the DISPATCH

page.

21-09-05 CAB PRESS MAN CTL

DEGRADED Message

21-09-05A D - - May be displayed on the DISPATCH

page.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-8
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-20 Distribution

21-20-01 Fan Automatic Shutoff

Control

21-20-01A A - 0 One or more may be inoperative for

10 consecutive calendar-days.

21-20-02 Mixer Pressure Sensor

21-20-02A One or two sensors D 4 2 One or two may be inoperative.

inoperative

21-20-02B Three sensors C 4 1 Three may be inoperative.

inoperative

21-20-03 Ventilation Control

Redundancy

21-20-03A C 1 0 May be inoperative.

21-20-04 Ventilation Local Control

Redundancy

21-20-04A C 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-9
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-21 Cabin
Fresh/Recirculated AIR
Distribution

21-21-01 Cabin Fan

21-21-01A One cabin fan D 4 3 One may be inoperative.

inoperative

21-21-01B Two cabin fans C 4 2 (O) Two may be inoperative provided

inoperative that:
(Aircraft without 1) Both air conditioning packs are
MP L41091/ checked operative, and
MOD 100333) 2) Both engine bleed air systems
are operative.

21-21-01C Two cabin fans C 4 2 (O) Two may be inoperative provided

inoperative that:
(Aircraft with 1) Both air conditioning packs are
MP L41091/ checked operative, and
MOD 100333) 2) Both engine bleed air systems
are operative, and
3) The FWD TEMP REGUL
selector is set to OFF.

21-21-02 Cabin Fan Monitoring

21-21-02A C 1 0 May be inoperative.

21-21-03 Cabin Filter Clogged

21-21-03A A 4 0 One or more may be clogged for

30 consecutive calendar-days.

NOTE: Clogged filters are considered

inoperative.

21-22 Cockpit Air Distribution

21-22-01 Cockpit Individual Valve

21-22-01A D 6 0 One or more may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-10
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-23 Compartment Air

Extraction

21-23-01 Lavatory and Galley

Extraction System

21-23-01A Lavatory and galley C - 0 (O) May be inoperative.

extraction system
inoperative

21-23-01B Lavatory and galley C - 0 (M)(O) May be inoperative provided

extraction system that:
operative only in flight 1) The affected lavatory and
galley isolation valve is
deactivated in the open
position, and
2) Both engine bleed air systems
are operative, and
3) Both air conditioning packs are
checked operative, and
4) The VENT AVNCS OVBD VLV
SMALL FLAP OPEN message
is not displayed on the
DISPATCH page, and
5) One avionics extraction fan is
operative.

21-23-02 Lavatory and Galley

Extraction Fan

21-23-02A C - 0 (O) May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-11
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-23 Compartment Air

Extraction

21-23-03 Lavatory and Galley

Isolation Valve

21-23-03A Lavatory and galley C - 0 May be inoperative in the closed

isolation valve position.
inoperative in the closed
position

21-23-03B Lavatory and galley C - 0 (M) May be inoperative provided that

isolation valve the lavatory and galley isolation valve
deactivated in the closed is deactivated in the closed position.
position

21-23-03C Lavatory and galley C - 0 (O) May be inoperative in the open

isolation valve position provided that:
inoperative in the open 1) Both engine bleed air systems
position are operative, and
2) Both air conditioning packs are
checked operative, and
3) The VENT AVNCS OVBD VLV
SMALL FLAP OPEN message
is not displayed on the
DISPATCH page, and
4) One avionics extraction fan is
operative.

21-25 Unpressurized
Compartments
Ventilation

21-25-01 Pack Bay Ventilation

21-25-01A C 2 1 (O) One may be inoperative.

21-25-01B Both inoperative A 2 0 (O) Both may be inoperative for

10 consecutive calendar-days.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-12
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-26 Avionics Equipment

Ventilation

Ventilation

21-26-04 Avionics Blowing System

21-26-04A One avionics blowing C 2 1 (M)(O) One may be inoperative

system inoperative provided that:
1) The affected backup valve is
deactivated in the open
position, and
2) During ground operations,
avionics ventilation is provided
from the air conditioning pack
or from an external air
conditioning group, and
3) The APU ECON MODE is not
used.

21-26-04B Both avionics blowing A 2 0 (M)(O) Both may be inoperative for

systems inoperative three flights provided that:
1) Both backup valves are
deactivated in the open
position, and
2) Both air conditioning packs are
operative, and
3) During ground operations,
avionics ventilation is provided
from the air conditioning pack
or from an external air
conditioning group, and
4) The APU ECON MODE is not
used.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-16
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-26 Avionics Equipment

Ventilation

21-26-05 Avionics Cooling Effect

Detector

21-26-05A One avionics cooling C 2 1 One may be inoperative.

effect detector
inoperative

21-26-05B Both avionics cooling A 2 0 Both may be inoperative for

effect detectors three flights.
inoperative

21-26-06 Avionics Extraction Fan

21-26-06A One avionics extraction C 2 1 One may be inoperative.

fan inoperative

21-26-06B Both avionics extraction B 2 0 (O) Both may be inoperative provided

fans inoperative that:
1) The AVNCS EXTRACT pb-sw
is set to OVRD, and
2) The VENT AVNCS EXTRACT
message is not displayed on
the DISPATCH page.

21-26-07 Avionics Fan Monitoring

21-26-07A C 1 0 May be inoperative.

21-26-08 Avionics Filter Clogged

21-26-08A A 2 0 One or both may be clogged for

30 consecutive calendar-days.

NOTE: Clogged filters are considered

inoperative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-17
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-26 Avionics Equipment

Ventilation

21-26-09 Avionics Inboard Valve

21-26-09A Avionics inboard valve C 1 0 May be inoperative in the open

inoperative in the open position provided that one avionics
position extraction fan is operative.

21-26-09B Avionics inboard valve C 1 0 (M) May be inoperative provided that:

deactivated in the open 1) The avionics inboard valve is
position deactivated in the open
position, and
2) One avionics extraction fan is
operative.

21-26-09C Avionics inboard valve C 1 0 (M)(O) May be inoperative provided

deactivated in the closed that:
position 1) The avionics inboard valve is
deactivated in the closed
position, and
2) The AVNCS EXTRACT pb-sw
is set to OVRD, and
3) The VENT AVNCS EXTRACT
message is not displayed on
the DISPATCH page.

21-26-10 Avionics Overboard

Valve Big Flap
Redundancy

21-26-10A D 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-18
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-26 Avionics Equipment

Ventilation

21-26-11 Avionics Overboard

Valve Big Flap

21-26-11A Avionics overboard valve C 1 0 May be inoperative in the closed

big flap inoperative in the position.
closed position

21-26-11B Avionics overboard valve B 1 0 (O) May be inoperative provided that:

big flap set and checked 1) The AVNCS EXTRACT pb-sw
in the closed position is set to OVRD, and
2) The avionics overboard valve
big flap is checked in the
closed position.

21-26-11C Avionics overboard valve C 1 0 (O) May be inoperative in the open

big flap inoperative in the position provided that:
open position 1) ETOPS is not conducted, and
2) The flight is not pressurized,
and
3) Alternate procedures are
established and used for
ground deicing.

21-26-12 Avionics Overboard

Valve Small Flap

21-26-12A Avionics overboard valve C 1 0 (O) May be inoperative in the closed

small flap inoperative in position provided that the FWD
the closed position outflow valve is checked operative.

21-26-12B Avionics overboard valve C 1 0 (O) May be inoperative in the open

small flap inoperative in position provided that alternate
the open position procedures are established and used
for ground deicing.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-19
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-28 Lower Deck Cargo

Compartment Ventilation
and Cooling

21-28-01 BULK Cargo

Compartment Extraction
Fan
(Aircraft without |
MP L44253/ |
MOD 114447) |

21-28-01A C 1 0 (O) May be inoperative.

21-28-02 BULK Cargo

Compartment Isolation
Valve

21-28-02A BULK cargo C 2 0 (O) One or both may be inoperative in

compartment isolation the closed position.
valve inoperative in the
closed position

21-28-02B BULK cargo C 2 0 (M)(O) One or both may be

compartment isolation inoperative provided that the affected
valve deactivated in the valve is deactivated in the closed
closed position position.

21-28-02C BULK cargo C 2 0 (O) One or both may be inoperative in

compartment isolation the open position provided that
valve inoperative in the procedures are established and used
open position to ensure the BULK cargo
compartment remains empty or is
verified to contain only empty cargo
handling equipment, ballast (ballast
may be loaded in ULDs), and/or Fly
Away Kits.

NOTE: Operator MELs should define

which items are approved for
inclusion in the Fly Away Kits
and which materials can be
used as ballast.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-20
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-28 Lower Deck Cargo

Compartment Ventilation
and Cooling

21-28-03 BULK Cargo

Compartment Extraction
Fan Shutoff Control
(Aircraft without |
MP L44253/ |
MOD 114447) |

21-28-03A BULK ISOL VALVES A 1 0 May be inoperative for 10 consecutive

pb-sw set to ON calendar-days.

21-28-03B BULK ISOL VALVES C 1 0 (O) May be inoperative provided that

pb-sw set to OFF the BULK ISOL VALVES pb-sw is set
to OFF.

21-28-04 Bulk Cargo

Compartment Extraction
Fan Monitoring
(Aircraft without |
MP L44253/ |
MOD 114447) |

*** Compartment Extraction
Fan
(Aircraft with
MP L41093/
MOD 100335)

21-28-10A D 1 0 (O) May be inoperative.

21-28-11 AFT Cargo

*** Compartment Isolation
Valve
(Aircraft with
MP L41093/
MOD 100335)

21-28-11A AFT cargo compartment D 3 0 (O) One or more may be inoperative in

isolation valve the closed position.
inoperative in the closed
position

21-28-11B AFT cargo compartment D 3 0 (M)(O) One or more may be

isolation valve inoperative provided that the affected
deactivated in the closed AFT cargo compartment valve is
position deactivated in the closed position.

21-28-11C AFT cargo compartment C 3 0 (O) One or more may be inoperative in

isolation valve the open position provided that
inoperative in the open procedures are established and used
position to ensure the AFT cargo compartment
remains empty or is verified to contain
only empty cargo handling equipment,
ballast (ballast may be loaded in
ULDs), and/or Fly Away Kits.

NOTE: Operator MELs should define

which items are approved for
inclusion in the Fly Away Kits
and which materials can be
used as ballast.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-24
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-28 Lower Deck Cargo

Compartment Ventilation
and Cooling

21-28-12 AFT Cargo

*** Compartment Extraction
Fan Shutoff Control
(Aircraft with
MP L41093/
MOD 100335)

21-28-12A AFT ISOL VALVES A 1 0 May be inoperative for

pb-sw set to on 10 consecutive calendar-days.

21-28-12B AFT ISOL VALVES D 1 0 (O) May be inoperative provided that

pb-sw set to OFF the AFT ISOL VALVES pb-sw is set to
OFF.

21-28-13 AFT Cargo

*** Compartment Extraction
Fan Monitoring
(Aircraft with
MP L41093/
MOD 100335)

21-28-13A AFT ISOL VALVES C 1 0 May be inoperative.

pb-sw set to on

21-28-13B AFT ISOL VALVES D 1 0 (O) May be inoperative provided that

pb-sw set to OFF the AFT ISOL VALVES pb-sw is set to
OFF.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-25
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-28 Lower Deck Cargo

Compartment Ventilation
and Cooling

21-28-14 FWD Cargo

Compartment Extraction
Fan Monitoring
(Aircraft with
MP L41091/
MOD 100333) and
MP L48116/
MOD 113556)

21-28-14A FWD ISOL VALVES C 1 0 May be inoperative.

pb-sw set to ON

21-28-14B FWD ISOL VALVES D 1 0 (O) May be inoperative provided that

pb-sw set to OFF the FWD ISOL VALVES pb-sw is set
to OFF.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-26
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-29 Commercial Equipment

Ventilation

21-29-01 IFE Bay Ventilation

*** (Aircraft with
MP L41208/
MOD 100618 or |
MP L44254/ |
MOD 114439) |

21-29-01A D 1 0 (O) May be inoperative.

21-29-02 IFE Bay Isolation

*** (Aircraft with
MP L41208/
MOD 100618)

21-29-02A IFEC pb-sw set to ON C 1 0 May be inoperative.

21-29-02B IFEC pb-sw set to OFF D 1 0 (O) May be inoperative provided that
the IFEC pb-sw is set to OFF.

21-29-03 PAX BBAND Ventilation

*** (Aircraft with
MP L41209/
MOD 100606)

21-29-03A D 1 0 (O) May be inoperative.

21-29-04 PAX BBAND Isolation

*** (Aircraft with
MP L41209/
MOD 100606)

21-29-04A PAX BBAND pb-sw set C 1 0 May be inoperative.

to ON

21-29-04B PAX BBAND pb-sw set D 1 0 (O) May be inoperative provided that
to OFF the PAX BBAND pb-sw is set to OFF.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-27
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-29 Commercial Equipment

Ventilation

21-29-05 IFE Bypass Valve

*** (Aircraft with
MP L41210/
MOD 100367)

21-29-05A IFE bypass valve D 1 0 May be inoperative in the closed

inoperative in the closed position.
position

21-29-05B IFE bypass valve D 1 0 (M) May be inoperative provided that it

deactivated in the closed is deactivated in the closed position.
position

21-29-05C IFE bypass valve D 1 0 (O) May be inoperative in the open

inoperative in the open position.
position

21-29-06 Commercial Equipment

*** Ventilation Extraction
Fan

21-29-06A One inoperative D 2 1 One may be inoperative. |

(Aircraft without |
MP L44253/ |
MOD 114447) |

21-29-06B Both inoperative D 2 0 (O) Both may be inoperative. |

(Aircraft with
MP L41193/
MOD 100568 and |
without MP L44253/ |
MOD 114447) |

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-28
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-29 Commercial Equipment

Ventilation

21-29-06 Commercial Equipment

*** Ventilation Extraction
Fan
(Cont’d)

21-29-06C Both inoperative D 2 0 (O) Both may be inoperative provided |

21-29-06D (Aircraft with C 1 0 (O) May be inoperative provided that |

MP L44253/ the ventilation of the bulk cargo |
MOD 114447) compartment is placarded inoperative. |

21-29-06E (Aircraft with C 1 0 (O) May be inoperative provided that: |

21-29-06F (Aircraft with C 1 0 (O) One may be inoperative. |

MP L44254/ |
MOD 114439) |
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-29
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-29 Commercial Equipment

Ventilation

21-29-07 Commercial Equipment

*** Ventilation Extraction
Fan Monitoring
|
21-29-07A IFEC pb-sw and PAX C 1 0 May be inoperative.
BBAND pb-sw set to ON
(Aircraft with |
MP L41193/ |
MOD 100568 and |
MP L60258/ |
MOD 1006003) |

21-29-07B IFEC pb-sw and PAX D 1 0 (O) May be inoperative provided that:
BBAND pb-sw set 1) The IFEC pb-sw is set to OFF,
to OFF and
(Aircraft with 2) The PAX BBAND pb-sw is set |
MP L41193/ to OFF. |
MOD 100568 and |
MP L60258/ |
MOD 1006003) |

21-29-07C IFEC pb-sw set to ON C 1 0 May be inoperative. |

(Aircraft with |
MP L41193/ |
MOD 100568 or |
MP L44253/ |
MOD 114447) |

21-29-07D IFEC pb-sw set to OFF D 1 0 (O) May be inoperative provided that |
(Aircraft with the IFEC pb-sw is set to OFF. |
MP L41193/ |
MOD 100568) |
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-30
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-29 Commercial Equipment

Ventilation

21-29-08A Inoperative in the closed D 1 0 (O) May be inoperative. |

position |

21-29-08B Inoperative in the open C 1 0 May be inoperative. |

position and IFEC pb-sw |
set to on |

21-29-08C Inoperative in the open D 1 0 (O) May be inoperative provided that |

position and IFEC pb-sw the IFEC pb-sw is set to OFF. |
set to OFF |

21-29-09 Commercial Equipment |

Ventilation Cross Valve |
(Aircraft with |
MP L44254/ |
MOD 114439) |

21-29-09A Inoperative in the open C 1 0 May be inoperative. |

position |

21-29-09B Inoperative in the closed A 1 0 May be inoperative for |

position 120 consecutive calendar-days. |

21-29-10 Commercial Equipment |

21-29-10A Inoperative in the closed C 1 0 (O) May be inoperative. |

position |

21-29-10B Inoperative in the open C 1 0 May be inoperative. |

position |
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-31
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-31 Pressure Control and

Monitoring

21-31-01 Automatic Cabin

Pressure Control
Redundancy

21-31-01A C 1 0 May be inoperative.

21-31-02 Automatic Cabin

Pressure Control

21-31-02A One automatic cabin C 2 1 (M)(O) One may be inoperative

pressure control provided that:
inoperative and CABIN 1) The other automatic cabin
ALT MODE operative pressure control is checked
operative, and
2) The manual CABIN ALT
MODE is checked operative.

21-31-02B One automatic cabin C 2 1 (M)(O) One may be inoperative

pressure control provided that:
inoperative and manual 1) The other automatic cabin
CABIN V/S MODE pressure control is checked
operative operative, and
2) The manual CABIN V/S MODE
is checked operative.

21-31-02C Both automatic cabin C 2 0 (M)(O) Both may be inoperative

pressure controls provided that:
inoperative 1) ETOPS is not conducted, and
2) The flight is not pressurized,
and
3) The manual cabin pressure
control is checked operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-32
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-31 Pressure Control and

Monitoring

21-31-03 Cabin Pressure Sensor

of Automatic Cabin
Pressure Control
(OCU COM section)

21-31-03A One sensor inoperative C 2 1 (O) One may be inoperative provided

and manual CABIN ALT that the manual CABIN ALT MODE is
MODE operative checked operative.

21-31-03B One sensor inoperative C 2 1 (O) One may be inoperative provided

and manual CABIN V/S that the manual CABIN V/S MODE is
MODE operative checked operative.

21-31-04 Manual Cabin Pressure

Control

21-31-04A C 1 0 (M) May be inoperative provided that:

1) The manual cabin pressure
control is deactivated, and
2) Both automatic cabin pressure
controls are checked
operative.

21-31-05 Manual CABIN ALT

MODE

21-31-05A Both automatic cabin C 1 0 (M)(O) May be inoperative provided

pressure control systems that both automatic cabin pressure
operative controls are checked operative.

21-31-05B Only one automatic C 1 0 (M)(O) May be inoperative provided

cabin pressure control that:
system operative 1) The remaining automatic cabin
pressure control is checked
operative, and
2) The manual CABIN V/S MODE
is checked operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-33
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-31 Pressure Control and

Monitoring

21-31-06 Manual CABIN V/S

MODE

21-31-06A C 1 0 May be inoperative.

21-31-07 Overpressure Relief

Valve

21-31-07A Overpressure relief valve C 1 0 (M)(O) May be inoperative in the

inoperative in the closed closed position provided that:
position 1) Both automatic cabin pressure
controls are checked
operative, and
2) Both outflow valves are
operative.

21-31-07B Overpressure relief valve C 1 0 (O) May be inoperative provided that:

inoperative in the open 1) ETOPS is not conducted, and
position 2) The flight is not pressurized.

21-31-08 Outflow Valve Backup

Control

21-31-08A C 2 0 (M) One or both may be inoperative

provided that the affected OCU
backup motor driver is deactivated.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-34
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-31 Pressure Control and

Monitoring

21-31-09 Outflow Valve Control

21-31-09A C 2 1 (M)(O) One may be inoperative

provided that:
1) The OCU COM/MON section
and OCU backup motor driver
are deactivated on the affected
side, and
2) The affected outflow valve is
deactivated in the closed
position, and
3) The other automatic cabin
pressure control is checked
operative, and
4) The manual cabin pressure
control is checked operative,
and
5) The other outflow valve is
checked operative.

21-31-10 Negative Relief Valve

21-31-10A C 1 0 (O) May be inoperative provided that:

1) ETOPS is not conducted, and
2) The flight is not pressurized.

21-31-11 Emergency Ram Air Test

21-31-11A Both air conditioning C 1 0 (O) The emergency ram air test may
packs operative be inoperative provided that both air
conditioning packs are operative.

21-31-11B Emergency ram air inlet C 1 0 (M) The emergency ram air test may
checked operative be inoperative provided that the
emergency ram air inlet is checked
operative before each flight.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-35
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-50 Air Cooling

21-50-01 Air Conditioning Pack

(Aircraft with
MP L44215/
MOD 114075)

21-50-01A Associated pack valve A 2 1 (O) One may be inoperative for

indicated closed on the 10 flight-days provided that:
BLEED SD Page 1) ETOPS beyond 180 minutes is
not conducted, and
2) The associated PACK pb-sw is
set to OFF, and
3) The associated pack valve
indication is checked closed on
the BLEED SD page, and |
4) The opposite air conditioning
pack is operative.

21-50-01B Associated pack valves A 2 1 (M)(O) One may be inoperative for

deactivated closed 10 flight-days provided that:
1) ETOPS beyond 180 minutes is
not conducted, and
2) The associated PACK pb-sw is
set to OFF, and
3) Both associated pack valves
are deactivated and secured in
the closed position, and
4) The opposite air conditioning
pack is operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-36
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-50-08 Pack Ram Air Outlet

Door

21-50-08A Inoperative in the open A 2 0 (O) One or both may be inoperative in |

position the open position for 10 flight-days |
(Aircraft with provided that during on ground de-
MP L44215/ icing/anti-icing procedures, neither de-
MOD 114075 icing nor anti-icing fluid is sprayed in
and without the direction of the pack ram air outlet
MP L92235/ doors.
MOD 112250 or
MP L44301/
MOD 114804)

21-50-08B Deactivated in the open C 2 0 (M)(O) One or both may be inoperative

position provided that:
(Aircraft with 1) The affected pack ram air
MP L44215/ outlet door is deactivated in the
MOD 114075 open position, and
and without 2) During on ground de-icing/
MP L92235/ anti-icing procedures, neither
MOD 112250 or de-icing nor anti-icing fluid is
MP L44301/ sprayed in the direction of the
MOD 114804) pack ram air outlet doors.

21-50-08C Associated pack A 2 1 One may be inoperative for

considered inoperative 10 flight-days provided that the
(Aircraft with associated air conditioning pack is
MP L44215/ considered inoperative.
MOD 114075
and without Refer to Item 21-50-01, Air
MP L92235/ Conditioning Pack.
MOD 112250 or
MP L44301/
MOD 114804)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-40
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-50 Air Cooling

21-50-09 Pack 1 Ram Air Outlet

Door

21-50-09A Inoperative in the open A 1 0 (O) The ram air outlet door of air |
position conditioning pack 1 may be
(A350-900 Series with inoperative in the open position for |
MP L92235/ 10 flight-days provided that during on |
MOD 112250 or ground de-icing/anti-icing procedures,
MP L44301/ neither de-icing nor anti-icing fluid is
MOD 114804 and sprayed in the direction of the pack
A350-1000 Series) ram air outlet doors.

21-50-09B Deactivated in the open C 1 0 (M)(O) The ram air outlet door of air
position conditioning pack 1 may be inoperative
(A350-900 Series with provided that:
MP L92235/ 1) The ram air outlet door is
MOD 112250 or deactivated in the open
MP L44301/ position, and
MOD 114804 and 2) During on ground de-icing/
A350-1000 Series) anti-icing procedures, neither
de-icing nor anti-icing fluid is
sprayed in the direction of the
pack ram air outlet doors.

21-50-09C Associated pack A 1 0 The ram air outlet door of air

considered inoperative conditioning pack 1 may be
(A350-900 Series with inoperative for 10 flight-days provided
MP L92235/ that the air conditioning pack 1 is
MOD 112250 or considered inoperative.
MP L44301/
MOD 114804 and Refer to Item 21-50-01, Air
A350-1000 Series) Conditioning Pack.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-41
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-50 Air Cooling

21-50-10 Pack 2 Ram Air Outlet

Door
(Aircraft with
MP L92235/
MOD 112250 or
MP L44301/
MOD 114804)

21-50-10A C 1 0 (M)(O) The ram air outlet door of air

conditioning pack 2 may be inoperative
provided that:
1) The ram air outlet door is
deactivated in the flush
position, and
2) During on ground de-icing/
anti-icing procedures, neither
de-icing nor anti-icing fluid is
sprayed in the direction of the
pack ram air outlet doors, and
3) The air conditioning pack 1 is
operative.

21-50-11 Pack Control Channel

21-50-11A One inoperative on one C 4 2 (O) One may be inoperative on each

or both packs pack provided that the closure function
of both associated pack valves is
checked operative on the BLEED
SD page.

21-50-11B Both inoperative on one A 4 2 Both may be inoperative on one pack

pack for 10 flight-days provided that:
(Aircraft with 1) The associated air conditioning
MP L44215/ pack is considered inoperative,
MOD 114075) and
2) The associated hot air system
is considered inoperative.

Refer to Item 21-50-01, Air

Conditioning Pack.

Refer to Item 21-60-01, Hot Air

System.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-42
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-50 Air Cooling

21-50-12 Pack Communication

Redundancy

21-50-12A One inoperative C 2 1 One may be inoperative.

21-50-12B Both inoperative C 2 0 Both may be inoperative provided that

the AIR PACK CTL REDUNDANCY
message is not displayed on the
DISPATCH page.

21-50-13 Pack Control

Redundancy

21-50-13A C 1 0 (O) May be inoperative provided that

all pack control channels are
operative.

21-50-14 Pack Regulation

Redundancy

21-50-14A A 2 0 One or both may be inoperative for

40 consecutive calendar-days.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-43
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-55 Emergency Air Supply

21-55-01 Emergency Ram Air Inlet

21-55-01A Emergency ram air inlet C 1 0 (O) May be inoperative in the fully
inoperative in the fully open position provided that alternate
open position procedures are established and used
for ground deicing.

21-55-01B Emergency ram air inlet C 1 0 (M)(O) May be inoperative provided

inoperative in the closed that:
or any intermediate 1) The emergency ram air inlet is
position deactivated in the fully open
position, and
2) Alternate procedures are
established and used for
ground deicing.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-44
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-58 Supply on Fuel Inerting

21-58-01 Fuel Inerting Inlet Valve

(Aircraft with
MP L44215/
MOD 114075)

21-58-01A A 2 0 (M) One or both may be inoperative

for 10 flight-days provided that the
affected fuel inerting inlet valve is
deactivated in the closed position.

21-58-02 Fuel Inerting Inlet Valve

Flap
(Aircraft with
MP L44215/
MOD 114075)

21-58-02A A 2 0 (M)(O) One or both may be inoperative

for 10 flight-days provided that:
1) The affected fuel inerting inlet
valve is deactivated in the
closed position, and
2) None of the following dispatch
messages are present for the
associated fuel inerting
system:
- AIR OVHT ON FUEL
INERTING 1(2), and
- AIR TEMP CTL VLV ON
FUEL INERTING 1(2), and
- AIR TURB VLV ON FUEL
INERTING 1(2), and
- AIR PRESS LO ON FUEL
INERTING 1(2), and
3) Repairs are made within
10 consecutive calendar-days.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-45
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-58 Supply on Fuel Inerting

21-58-03 Fuel Inerting Ram Air

Outlet Flap
(Aircraft with
MP L44215/
MOD 114075)

21-58-03A A 2 0 (M) One or both may be inoperative

for 10 flight-days provided that the
affected fuel inerting ram air outlet flap
is deactivated in the flush position.

21-58-04 Fuel Inerting

Temperature Control
Valve
(Aircraft with
MP L44215/
MOD 114075)

21-58-04A A 2 0 One or both may be inoperative for

10 flight-days.

21-58-05 Fuel Inerting Turbine

Valve
(Aircraft with
MP L44215/
MOD 114075)

21-58-05A A 2 0 One or both may be inoperative for

10 flight-days.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-46
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-59 Supplemental Cooling

21-59-01 VCRU Overheat

Protection

21-59-01A D ‒ 0 (M) One or more may be inoperative

provided that the affected VCRU is
deactivated.

21-59-02 CDM Overheat

Protection

21-59-02A D ‒ 0 (M) One or more may be inoperative

provided that the affected CDM is
deactivated.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-47
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-60 Temperature Control

21-60-01 Hot Air System

21-60-01A C 2 0 (O) One or both may be inoperative

provided that alternate procedures are
established and used.

21-60-02 Hot Air Valve

21-60-02A Inoperative in the closed C 2 0 (O) One or both may be inoperative in

position the closed position provided that
alternate procedures are established
and used.

21-60-02B Affected hot air valve C 2 0 (M)(O) One or both may be

deactivated in the closed inoperative provided that:
position 1) The affected hot air valve is
deactivated in the closed
position, and
2) Alternate procedures are
established and used.

21-60-02C Associated pack valves A 2 1 (M) One may be inoperative in the

deactivated open position for 10 flight-days
(Aircraft with provided that both associated pack
MP L44215/ valves are deactivated and secured in
MOD 114075) the closed position.

Refer to Item 21-50-01, Air

Conditioning Pack.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-48
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-60 Temperature Control

21-60-03 Hot Air Valve Pressure

Regulation

21-60-03A All pack control channels C 2 0 (O) One or both may be inoperative
operative provided that all pack control channels
are operative.

21-60-03B Associated hot air valve C 2 0 (M)(O) One or both may be inoperative
deactivated in the closed provided that:
position 1) The associated hot air valve is
deactivated in the closed
position, and
2) Alternate procedures are
established and used.

21-60-04 Cockpit and Cabin

Temperature Control

21-60-04A One or more inoperative C ‒ 0 (M)(O) One or more may be

inoperative.

NOTE: Application of the maintenance

procedure, to deactivate the
affected trim air valve in one of
the three predefined positions,
is only necessary in the case
of cockpit/cabin discomfort.

21-60-04B One or more deactivated C ‒ 0 (M)(O) One or more may be

in the closed position inoperative provided that the affected
trim air valve is deactivated in the
closed position.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-49
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-60 Temperature Control

21-60-05 Crew Rest Compartment

Temperature Control

21-60-05A One or more inoperative C ‒ 0 (M)(O) One or more may be

inoperative provided that procedures
do not require its use.

NOTE: Application of the maintenance

procedure, in order to
deactivate the affected trim air
valve in one of the three
predefined positions, is only
necessary when the comfort
impact is judged as not
acceptable.

21-60-05B One or more deactivated C ‒ 0 (M)(O) May be inoperative provided

in the closed position that:
1) The affected trim air valve is
deactivated in the closed
position, and
2) Procedures do not require its
use.

21-60-05C Affected CRC locked D ‒ 0 One or more may be inoperative

and not occupied provided that:
1) The affected compartment is
locked closed and is placarded
inoperative, and
2) Procedures do not require its
use.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-50
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-60 Temperature Control

21-60-06 FWD Cargo

*** Temperature Control
(Aircraft with
MP L41091/
MOD 100333)

21-60-06A D 1 0 (O) May be inoperative.

21-60-07 FWD Cargo Trim Air

*** Valve
(Aircraft with
MP L41091/
MOD 100333)

21-60-07A Hot air valves closure C 1 0 (O) May be inoperative provided that
function operative the closure function of both hot air
valves is checked operative on the
COND SD page.

21-60-07B FWD cargo trim air valve D 1 0 (M)(O) May be inoperative provided
deactivated in closed that FWD cargo trim air valve is
position deactivated in the closed position.

21-60-08 BULK Cargo Heater

21-60-08A BULK HEATER pb-sw C 1 0 (O) May be inoperative provided that

set to OFF the BULK HEATER pb-sw is set to
OFF.

21-60-08B BULK cargo heater D 1 0 (M)(O) May be inoperative provided

deactivated that the BULK cargo heater is
deactivated.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 21-51
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
21. Air Conditioning
Change
Sequence No. Item 1 2 3 4 Bar

21-60 Temperature Control

21-60-09 Cabin Temperature

Selection on FAP

21-60-09A C 1 0 (O) May be inoperative.

21-60-10 Temperature Regulation

Redundancy

21-60-10A A 1 0 May be inoperative for 40 consecutive

calendar-days.

21-60-11 Aft Galley Heater

21-60-11A D 1 0 (M) May be inoperative provided that it

is deactivated.

21-60 Temperature Control

21-60-12 FWD Cargo Overheat

*** Detection
(Aircraft with
MP L41091/
MOD 100333)

21-60-12A Both pack 1 control C 1 0 (O) May be inoperative provided that

channels operative both control channels of air
conditioning pack 1 are operative.

21-60-12B FWD cargo trim air valve D 1 0 (M)(O) May be inoperative provided
deactivated in the closed that the FWD cargo trim air valve is
position deactivated in the closed position.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 22-1
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
22. Autoflight
Change
Sequence No. Item 1 2 3 4 Bar

22-09 Dispatch Messages

22-09-01 FUEL CG DATA

DISAGREE < 13%
Message

22-09-01A C ‒ ‒ May be displayed on the DISPATCH

page.

22-09-02 FUEL CG DATA

DISAGREE > 13%
Message

22-09-02A C ‒ ‒ (O) May be displayed on the

DISPATCH page provided that
approach minimums do not require its
use.

22-09-04 F/CTL PRIMs PIN

PROG DISAGREE
Message

22-09-04A C ‒ ‒ (O) May be displayed on the

DISPATCH page.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 22-2
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
22. Autoflight
Change
Sequence No. Item 1 2 3 4 Bar

22-10 AP/FD

22-10-01 AP

22-10-01A One AP inoperative C 2 1 (O) One may be inoperative provided

that approach minimums do not
require its use.

22-10-01B Both APs inoperative B 2 0 (O) Two may be inoperative provided

that:
1) Approach minimums do not
require their use, and
2) Enroute operations do not
require their use, and
3) Number of flight legs and
flight leg duration is acceptable
to the flightcrew.

22-10-02 AP/FD

22-10-02A C 2 1 (O) One may be inoperative provided

that approach minimums do not
require its use.

22-10-03 Sidesticks and Rudder

Pedal Locking Devices in
AP Mode

22-10-03A One locking device C 3 2 (O) One may be inoperative unlocked

inoperative provided that autoland procedures are
not conducted.

22-10-03B Two or more locking C 3 0 (O) Two or more may be inoperative

devices inoperative unlocked provided that the AP is
considered inoperative.

Refer to Item 22-10-01, AP.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 22-3
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
22. Autoflight
Change
Sequence No. Item 1 2 3 4 Bar

22-10 AP/FD

22-10-04 AUTO LAND light

22-10-04A One AUTO LAND light C 2 1 (O) One may be inoperative provided
inoperative that the other AUTO LAND light is
checked operative.

22-10-04B Both AUTO LAND lights C 2 0 (O) Both may be inoperative provided
inoperative that autoland procedures are not
conducted.

22-10-05 LAND 3 DUAL Approach

and Landing Capability

22-10-05A C 1 0 (O) May be inoperative provided that

approach minimums do not require its
use.

22-10-06 LAND 3 SINGLE

Approach and Landing
Capability

22-10-06A C 1 0 (O) May be inoperative provided that

approach minimums do not require its
use.

22-10-07 AUTOLAND Approach

and Landing Capability

22-10-07A C 1 0 (O) May be inoperative provided that

approach minimums do not require its
use.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 22-4
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
22. Autoflight
Change
Sequence No. Item 1 2 3 4 Bar

22-10 AP/FD

22-10-08 Automatic Roll Out

Function

22-10-08A C 1 0 (O) May be inoperative provided that

approach minimums do not require its
use.

22-10-09 Go-Around Soft Function

22-10-09A C 1 0 (O) May be inoperative.

22-10-10 AP/FD TCAS Mode

22-10-10A C 1 0 (O) May be inoperative.

22-10-11 RNP AR Capability

Downgraded

22-10-11A C 1 0 (O) May be downgraded provided that

approach minimums do not require its
use.

22-10-12 RNP AR Capability

22-10-12A C 1 0 (O) May be inoperative provided that

RNP AR procedures are not
conducted.

22-10-13 GLS AUTOLAND

*** Approach and Landing
Capability

22-10-13A C 1 0 (O) May be inoperative provided that

approach minimums do not require its
use.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 22-5
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
22. Autoflight
Change
Sequence No. Item 1 2 3 4 Bar

22-10 AP/FD

22-10-14 AUTO EMER DES

function
(Aircraft with
MP L41838/
MOD 109178)

22-10-14A C 1 0 (O) May be inoperative.

22-10-15 EMER DESCENT pb

(Aircraft with
MP L41838/
MOD 109178)

22-10-15A C 1 0 (O) May be inoperative.

22-10-16 EMER DESCENT pb

light
(Aircraft with
MP L41838/
MOD 109178)

22-10-16A C 1 0 May be inoperative.

22-30 Autothrust

22-30-01 Autothrust

22-30-01A C 1 0 (O) May be inoperative provided that:

1) ETOPS beyond 180 minutes
is not conducted, and
2) All the thrust lever position
sensors are checked
operative, and
3) Approach minimums do not
require its use.

22-30-02 Autothrust Instinctive

Disconnect pb

22-30-02A C 2 0 (O) One or both may be inoperative

provided that the disconnection
function of the autothrust is checked
operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 22-6
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
22. Autoflight
Change
Sequence No. Item 1 2 3 4 Bar

22-60 Flight Envelope

22-60-01 Weight and Balance

Backup Redundancy

22-60-01A C 2 1 One may be inoperative.

22-60-02 Reactive Windshear

22-60-02A Predictive windshear B 1 0 (O) May be inoperative provided that

function inoperative alternate procedures are established
and used.

NOTE: Operator’s alternate

procedures should include
reviewing windshear
avoidance and windshear
recovery procedures.

22-60-02B Predictive windshear C 1 0 (O) May be inoperative provided that:

function operative 1) Alternate procedures are
established and used, and
2) Predictive windshear function
operates normally.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 22-7
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
22. Autoflight
Change
Sequence No. Item 1 2 3 4 Bar

22-70 Flight Management (FM)

22-70-01 Flight Management

Computer

22-70-01A One FMC inoperative C 3 2 (O) One may be inoperative.

22-70-01B Two FMCs inoperative B 3 1 (O) Two may be inoperative provided

with two ISIS installed that:
(Aircraft with 1) Both ISIS are operative, and
MP L41149/ 2) The FMS selector is operative.
MOD 100366)

22-70-02 FMS Selector

22-70-02A All FMCs operative C 1 0 (O) May be inoperative provided that:

1) All FMCs are operative, and
2) Enroute operations and
approach minimums do not
require its use.

22-70-02B Two FMCs operative B 1 0 (O) May be inoperative provided that:

(Aircraft with 1) Two FMCs are operative, and
MP L41149/ 2) Enroute operations and
MOD 100366) approach minimums do not
require its use.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 22-8
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
22. Autoflight
Change
Sequence No. Item 1 2 3 4 Bar

22-80 AFS Control Panel

22-80-01 AFS Control Panel

22-80-01A A 1 0 (O) May be inoperative for

3 consecutive calendar-days.

22-80-02 AFS Control Panel and

the MFD FCU BKUP of
the CAPT

22-80-02A A 2 0 (O) Both may be inoperative for

3 consecutive calendar-days provided
that:
1) The AUTO FLT AFS CTL PNL
+ F/O BKUP CTL message is
not displayed on the
DISPATCH page, and
2) The scroll wheel of one KCCU
is operative.

22-80-03 AFS Control Panel and

the MFD FCU BKUP of
the F/O

22-80-03A A 2 0 (O) Both may be inoperative for

3 consecutive calendar-days provided
that:
1) The AUTO FLT AFS CTL PNL
+ CAPT BKUP CTL message
is not displayed on the
DISPATCH page, and
2) The scroll wheel of one KCCU
is operative.

22-80-04 AFS Control Panel

AP pb

22-80-04A C 2 0 (O) One or both may be inoperative.

22-80-05 AFS Control Panel

A/THR pb

22-80-05A C 1 0 (O) May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 22-9
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
22. Autoflight
Change
Sequence No. Item 1 2 3 4 Bar

22-80 AFS Control Panel

22-80-06 AFS Control Panel

FD pb

22-80-06A C 1 0 (O) May be inoperative provided that

the AFS backup function is checked
operative on one MFD FCU BKUP.

22-80-07 AFS Control Panel

LOC pb

22-80-07A C 1 0 (O) May be inoperative.

22-80-08 AFS Control Panel

ALT pb

22-80-08A C 1 0 (O) May be inoperative.

22-80-09 AFS Control Panel

APPR pb

22-80-09A C 1 0 (O) May be inoperative.

22-80-10 AFS Control Panel

Heading/Track Selection
knob

22-80-10A A 1 0 (O) May be inoperative for

10 consecutive calendar-days
provided that:
1) The AFS backup function is
checked operative on one
MFD FCU BKUP, and
2) The scroll wheel of one KCCU
is operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 22-10
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
22. Autoflight
Change
Sequence No. Item 1 2 3 4 Bar

22-80 AFS Control Panel

22-80-11 AFS Control Panel

Speed Selection knob

22-80-11A A 1 0 (O) May be inoperative for

10 consecutive calendar-days
provided that:
1) The AFS backup function is
checked operative on one
MFD FCU BKUP, and
2) The scroll wheel of one KCCU
is operative.

22-80-12 AFS Control Panel

Altitude Selection knob

22-80-12A A 1 0 (O) May be inoperative for

10 consecutive calendar-days
provided that:
1) The AFS backup function is
checked operative on one
MFD FCU BKUP, and
2) The scroll wheel of one KCCU
is operative.

22-80-13 AFS Control Panel V/S

FPA Selection knob

22-80-13A A 1 0 (O) May be inoperative for

10 consecutive calendar-days
provided that the AFS backup function
is checked operative on one MFD
FCU BKUP.

22-80-14 AFS Control Panel

Selection Windows

22-80-14A C 4 0 (O) One or more may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 22-11
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
22. Autoflight
Change
Sequence No. Item 1 2 3 4 Bar

22-80 AFS Control Panel

22-80-15 AFS Control Panel

HDG-V/S/TRK-FPA pb

22-80-15A One MFD FCU BKUP C 1 0 (O) May be inoperative provided that
operative the AFS backup function is checked
operative on one MFD FCU BKUP.

22-80-15B Both MFD FCU BKUP C 1 0 May be inoperative provided that the
inoperative reference is HDG-V/S in the selection
windows.

22-80-16 AFS Control Panel

MACH/SPD pb

22-80-16A C 1 0 May be inoperative provided that the

speed reference is SPD in the
SPD/MACH selection window at
takeoff.

22-80-17 AFS Control Panel

METER pb

22-80-17A C 1 0 (O) May be inoperative.

22-80-18 AFS Control Panel

TRUE/MAG pb

22-80-18A One MFD FCU BKUP C 1 0 (O) May be inoperative provided that
operative the AFS function is checked operative
on one MFD FCU BKUP.

22-80-18B Both MFD FCU BKUP C 1 0 May be inoperative provided that the
inoperative reference is MAG in the heading
selection window.

22-80-19 AFS Control Panel pb

light bars

22-80-19A D 7 0 One or more may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 22-12
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
22. Autoflight
Change
Sequence No. Item 1 2 3 4 Bar

22-81 EFIS Control Panel

22-81-01 EFIS Control Panel

22-81-01A C 2 0 (O) One or both may be inoperative.

22-81-02 EFIS Control Panel

Barometric Reference
Display Window

22-81-02A C 2 0 (O) One or both may be inoperative.

22-81-03 EFIS Control Panel

Outer Ring (in Hg/hPa)
of Barometric Reference
selector

22-81-03A Associated MFD FCU C 2 0 (O) One or both may be inoperative

BKUP operative provided that the EFIS backup
function is checked operative on the
associated MFD FCU BKUP.

22-81-03B Associated MFD FCU C 2 0 (O) One or both may be inoperative

BKUP inoperative provided that alternate procedures are
established and used.

22-81-04 EFIS Control Panel Inner

knob of Barometric
Reference selector

22-81-04A C 2 0 (O) One or both may be inoperative

provided that the EFIS backup
function is checked operative on the
associated MFD FCU BKUP.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 22-13
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
22. Autoflight
Change
Sequence No. Item 1 2 3 4 Bar

22-81 EFIS Control Panel

22-81-05 EFIS Control Panel ND

Range selector

22-81-05A One selector inoperative C 2 1 (O) One may be inoperative.

22-81-05B Both selectors C 2 0 (O) Both may be inoperative provided

inoperative that the EFIS backup function is
checked operative on one MFD FCU
BKUP.

22-81-06 EFIS Control Panel ND

Mode selector

22-81-06A One selector inoperative C 2 1 (O) One may be inoperative.

22-81-06B Both selectors C 2 0 (O) Both may be inoperative provided

inoperative that the EFIS backup function is
checked operative on one MFD FCU
BKUP.

22-81-07 EFIS Control Panel

VV pb

22-81-07A D 2 0 (O) One or both may be inoperative.

22-81-08 EFIS Control Panel

LS pb

22-81-08A C 2 0 (O) One or both may be inoperative.

22-81-09 EFIS Control Panel TAXI

*** pb

22-81-09A D 2 0 (O) One or both may be inoperative.

22-81-10 EFIS Control Panel ND

Data Window

22-81-10A C – 0 One or more may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
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REVISION NO. 6 PAGE NO. 22-14
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
22. Autoflight
Change
Sequence No. Item 1 2 3 4 Bar

22-81 EFIS Control Panel

22-81-11 EFIS Control Panel pb

22-81-11A C – 0 (O) One or more may be inoperative.

22-81-12 EFIS Control Panel

WX pb

22-81-12A One pb inoperative C 2 1 One may be inoperative.

22-81-12B Both pbs inoperative and C 2 0 (O) Both may be inoperative provided
one MFD FCU BKUP that one EFIS backup function is
operative checked operative on one MFD FCU
BKUP.

22-81-12C Both pbs inoperative and C 2 0 Both may be inoperative provided that
both MFD FCU BKUP the weather radar is considered
inoperative inoperative.

Refer to Item 34-71-08B, Weather

Radar.

22-81-13 EFIS Control Panel pb

light Bars

22-81-13A D – 0 One or more may be inoperative.

22-82 MFD FCU BKUP

22-82-01 MFD FCU BKUP

22-82-01A One MFD FCU BKUP D 2 1 One may be inoperative.

inoperative

22-82-01B Both MFD FCU Backups C 2 0 Both may be inoperative.

inoperative
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
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REVISION NO. 5 PAGE NO. 23-1
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
23. Communications
Change
Sequence No. Item 1 2 3 4 Bar

23-01 CVR Overhead Panel

23-01-01 ERASE pb

23-01-01A D 1 0 May be inoperative.

23-02 Maintenance Overhead

Panel

23-02-01 GND HF DATALINK

*** pb-sw OVRD light
(Aircraft without
MP L42004/
MOD 108299)

23-02-01 D 1 0 May be inoperative.

23-02-31 GND HF DATALINK

*** pb-sw
(Aircraft without
MP L42004/
MOD 108299)

23-02-31A D 1 0 (O) May be inoperative provided that:

1) All HF radios are set to VOICE
mode on ground, and
2) No HF radio is used during
refuel, defuel, or ground fuel
transfer.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 5 PAGE NO. 23-2
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
23. Communications
Change
Sequence No. Item 1 2 3 4 Bar

23-11 HF System

23-11-01 HF Voice

23-11-01A Any HF in excess of D – – Any in excess of those required by

those required 14 CFR may be inoperative.

23-11-01B One HF operative C – 1 (O) May be inoperative while

conducting operations that require two
LRCS provided that:
1) Aircraft SATVOICE system
operates normally, and
2) SATVOICE services are
available as a LRCS over the
intended route of flight, and
3) The ICAO Flight Plan is
updated (as required) to notify
ATC of the communications
equipment status of the
aircraft, and
4) Alternate procedures are
established and used.

23-11-02 HF Datalink
*** (Aircraft without
MP L42004/
MOD 108299)

23-11-02A Alternate procedures for C – 0 (O) May be inoperative provided that

HF datalink use are alternate procedures are established
established and used and used.

23-11-02B Procedures do not D – 0 (O) May be inoperative provided that

require use of the HF procedures do not require its use.
datalink
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
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REVISION NO. 5 PAGE NO. 23-3
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
23. Communications
Change
Sequence No. Item 1 2 3 4 Bar

23-12 VHF System

23-12-01 VHF Voice

23-12-01A C 3 2 One may be inoperative provided that

the COM VHF EMER SUPPLY
message is not displayed on the
DISPATCH page.

23-12-02 VHF 3 Datalink

23-12-02A Procedures do not D 1 0 (O) May be inoperative provided that

require ATC datalink procedures do not require ATC
datalink.

23-12-02B Procedures require ATC C 1 0 (O) May be inoperative provided that

datalink alternate procedures are established
and used for ATC communication.

23-12-03 VHF Emergency

Redundancy

23-12-03A D 1 0 May be inoperative.

23-21 Datalink

23-21-01 Datalink

23-21-01A Procedures do not D 1 0 (O) May be inoperative provided that

require ATC datalink procedures do not require the use of
the ATC datalink.

23-21-01B Procedures require ATC C 1 0 (O) May be inoperative provided that

datalink alternate procedures are established
and used for ATC communication.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 5 PAGE NO. 23-4
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
23. Communications
Change
Sequence No. Item 1 2 3 4 Bar

23-28 Satellite Communication

23-28-01 SATCOM

23-28-01A Procedures require C 1 0 (O) May be inoperative provided that:

SATCOM datalink 1) ETOPS beyond 180 minutes is
not conducted, and
2) Alternate procedures are
established and used for ATC
communication.

23-28-01B Procedures do not D 1 0 (O) May be inoperative provided that:

require SATCOM 1) ETOPS beyond 180 minutes is
datalink not conducted, and
2) Procedures do not require the
use of the SATCOM datalink.

23-28-02 SATCOM Voice

23-28-02A Alternate procedures for C 1 0 (O) May be inoperative provided that

SATCOM Voice use are alternate procedures are established
established and used and used.

23-28-02B Procedures do not D 1 0 (O) May be inoperative provided that

require SATCOM Voice procedures do not require its use.
use

23-28-03 SATCOM Datalink

23-28-03A Procedures require C 1 0 (O) May be inoperative provided that

SATCOM datalink alternate procedures are established
and used for ATC communication.

with boom microphone) in excess of those required by 14 CFR
in excess of those may be inoperative.
required

23-51-09 Hand Microphone

23-51-09A Associated boom C – 0 May be inoperative provided that

microphone operative associated boom microphone
operates normally.

23-51-09B Any hand microphone in D – – Any in excess of those required by

excess of those required 14 CFR may be inoperative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
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REVISION NO. 5 PAGE NO. 23-8
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
23. Communications
Change
Sequence No. Item 1 2 3 4 Bar

23-51 Audio Integrating and

Voice Command
Systems

23-51-10 Sidestick PTT sw

23-51-10A Sidestick PTT sw C 2 0 One or both may be inoperative in the

inoperative in the open open (non-transmitting) position
position provided that the INT/RAD switch on
the associated RMP is operative.

23-51-10B Sidestick PTT sw C 2 0 (M) One or both may be inoperative

inoperative in the closed provided that:
position 1) INT/RAD switch on the
associated RMP is operative,
and
2) Affected sidestick PTT sw is
deactivated in the open
position.

23-51-11 Glareshield PTT pb

***

23-51-11A Glareshield PTT pb D 2 0 One or both may be inoperative in the

inoperative in the open open (non-transmitting) position.
position

23-51-11B Glareshield PTT pb D 2 0 (M) One or both may be inoperative

inoperative in the closed provided that the affected glareshield
position PTT pb is deactivated in the open
position.

23-51-12 Fourth Occupant ACP

***

23-51-12A D 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 5 PAGE NO. 23-9
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
23. Communications
Change
Sequence No. Item 1 2 3 4 Bar

23-52 Radio and Audio

Management Panels
(RMP)

23-52-01 RMP

23-52-01A C 3 2 (O) One may be inoperative.

23-52-02 RMP Key

23-52-02A C – – One or more may be inoperative.

23-52-03 RMP Reception Knob

23-52-03A C – – One or more may be inoperative.

23-71 Cockpit Voice Recorder

(CVR)

23-71-01 CVR

23-71-01A A 1 0 May be inoperative provided that:

1) Flight Data Recorder (FDR)
operates normally, and
2) Repairs are made within
3 flight-days.

23-75 External Video System

23-75-01 Taxiing Aid Camera

23-75-01A D 2 0 One or both may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
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REVISION NO. 7 PAGE NO. 24-1
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
24. Electrical Power
Change
Sequence No. Item 1 2 3 4 Bar

24-01 ELEC Overhead Panel

24-01-01 APU GEN pb-sw FAULT

light

24-01-01A C 1 0 May be inoperative.

24-01-02 APU GEN pb-sw

OFF light

24-01-02A C 1 0 May be inoperative.

24-01-03 BAT 1(2)(EMER 1(2))

pb-sw FAULT light

24-01-03A C 4 0 One or more may be inoperative.

24-01-04 BAT 1(2)(EMER 1(2))

pb-sw OFF light

24-01-04A C 4 0 One or more may be inoperative.

24-01-05 BUS TIE pb-sw

OFF light

24-01-05A C 1 0 May be inoperative.

24-01-06 COMMERCIAL 1(2)

pb-sw OFF light

24-01-06A C 2 0 One or both may be inoperative.

24-01-07 DRIVE 1A(1B)(2A)(2B)

pb FAULT light

24-01-07A C 4 0 One or more may be inoperative.

24-01-08 DRIVE 1A(1B)(2A)(2B)

pb DISC light

24-01-08A C 4 0 One or more may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 24-2
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
24. Electrical Power
Change
Sequence No. Item 1 2 3 4 Bar

24-01 ELEC Overhead Panel

24-01-09 ELM pb-sw FAULT light

24-01-09A C 1 0 May be inoperative.

24-01-10 ELM pb-sw OFF light

24-01-10A C 1 0 May be inoperative.

24-01-11 EXT 1 (2) pb AVAIL light

24-01-11A C 2 0 (O) One or both may be inoperative.

24-01-12 EXT 1(2) pb AUTO light

24-01-12A C 2 0 One or both may be inoperative.

24-01-13 GALLEY pb-sw

OFF light

24-01-13A C 1 0 May be inoperative.

24-01-14 GEN 1A(1B)(2A)(2B)

pb-sw FAULT light

24-01-14A C 4 0 One or more may be inoperative.

24-01-15 GEN 1A(1B)(2A)(2B)

pb-sw OFF light

24-01-15A C 4 0 One or more may be inoperative.

24-01-16 PAX SYS pb-sw

ISOL light

24-01-16A C 1 0 May be inoperative.

24-01-17 PAX SYS pb-sw

OFF light

24-01-17A C 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 24-3
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
24. Electrical Power
Change
Sequence No. Item 1 2 3 4 Bar

24-01 ELEC Overhead Panel

24-01-18 SIDE 1&2 pb-sw

ISOL light

24-01-18A C 1 0 May be inoperative.

24-01-31 BUS TIE pb-sw

24-01-31A OFF position inoperative C 1 0 The OFF position of the BUS TIE
pb-sw may be inoperative provided
that all the AC main generations are
operative.

24-01-31B AUTO position C 1 0 (O) The AUTO position of the BUS

inoperative TIE pb-sw may be inoperative
provided that:
1) All the AC main generations
are operative, and
2) ETOPS is not conducted.

24-01-32 GALLEY pb-sw

24-01-32A C 1 0 (O) May be inoperative.

24-01-33 PAX SYS pb-sw

24-01-33A C 1 0 (O) May be inoperative.

24-02 CABIN Overhead Panel

24-02-01 PAX PERS ELEC SPLY

*** pb-sw OFF light

24-02-01A C 1 0 May be inoperative.

24-02-31 PAX PERS ELEC SPLY

*** pb-sw

24-02-31A D 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 24-4
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
24. Electrical Power
Change
Sequence No. Item 1 2 3 4 Bar

24-03 EMER ELEC PWR

Overhead Panel

24-03-01 EMER GEN FAULT light

24-03-01A C 1 0 May be inoperative.

24-04 Maintenance Overhead

Panel

24-04-01 BAT Overhead Panel

24-04-01-01 BAT 1(2) Voltage

Indication

24-04-01-01A C 2 0 (O) One or both may be inoperative.

24-04-01-02 BAT EMER 1(2) Voltage

Indication

24-04-01-02A C 2 0 (M)(O) One or both may be

inoperative provided that the charge of
the affected emergency battery is
checked before each flight.

24-04-02 ELEC Overhead Panel

24-04-02-01 REMOTE C/B CTL

pb-sw ON light

24-04-02-01A C 1 0 May be inoperative.

24-04-03 TOWING ON BAT

POWER Overhead
Panel

24-04-03-01 TOWING ON BAT

POWER pb ON light

24-04-03-01A C 1 0 May be inoperative.

24-04-03-31 TOWING ON BAT

POWER pb

24-04-03-31A C 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 24-5
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
24. Electrical Power
Change
Sequence No. Item 1 2 3 4 Bar

24-07 Indications on the

ELEC AC SD page |

24-07-01 APU GEN Indications on

the ELEC AC SD page

24-07-01A C 3 0 One or more indications (load, voltage,

frequency) of the APU GEN may be
inoperative on the ELEC AC SD page.

24-09 Dispatch Messages

24-09-01 ELEC BOTH RAT

HEATERS ON Message

24-09-01A Both RAT heaters A – – May be displayed on the DISPATCH

remain on page for five flights.

24-09-01B One RAT heater D – – (M) May be displayed on the

deactivated DISPATCH page provided that one rat
heater is deactivated.

24-09-02 ELEC DRIVE

1A(1B)(2A)(2B) OIL
FILTER CLOGGED
Message
(Aircraft without |
MP L48528/ |
MOD 115480) |

24-09-02A A – – (O) On each engine, one may be

displayed on the DISPATCH page for
35 flight-hours provided that:
1) The affected drive is
disconnected, and
2) The associated AC main
generation is considered
inoperative.

Refer to Item 24-22-01, AC Main

Generation – Drive.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
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REVISION NO. 7 PAGE NO. 24-6
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
24. Electrical Power
Change
Sequence No. Item 1 2 3 4 Bar

24-09 Dispatch Messages

24-09-03 ELEC DRIVE

1A(1B)(2A)(2B) OIL
LEVEL LO Message

24-09-03A Oil level checked C – – (M) All may be displayed provided that
adequate the oil level of the affected VFG is
checked adequate before each flight.

24-09-03B Drive not disconnected A – – One may be displayed on the

DISPATCH page for one flight.

24-09-03C Drive disconnected A – – (O) On each engine, one may be

displayed on the DISPATCH page for
35 flight-hours provided that:
1) The affected drive is
disconnected, and
2) The associated AC main
generation is considered
inoperative.

associated drives engine for 35 flight-hours provided
disconnected that:
1) Both affected drives are
checked disconnected, and
2) The AC main generation 1B is
operative, and
3) There is no message displayed
on the DISPATCH page for the
operative AC main generation,
and
4) The APU GEN pb-sw is set to
OFF for landing and takeoff,
and
5) For ETOPS beyond
120 minutes, the APU is
operative and used in the
ETOPS sector, and
6) For ETOPS beyond
120 minutes, the AC auxiliary
generation is operative and
used in the ETOPS sector, and
7) For ETOPS beyond
120 minutes, the APU OIL
FILTER message is not
displayed on the DISPATCH
page, and
8) For ETOPS beyond
120 minutes, the OIL LEVEL
LO indication is not displayed
on the APU SD page.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
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REVISION NO. 7 PAGE NO. 24-10
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
24. Electrical Power
Change
Sequence No. Item 1 2 3 4 Bar

24-22 AC Main Generation

24-22-02 AC Main Generation –

Generator

24-22-02A One inoperative C 4 3 (O) One may be inoperative provided

that:
1) The associated drive is not
disconnected, and
2) The associated GEN
1A(1B)(2A)(2B) pb-sw is set to
OFF, and
3) At least one AC main
generation on each engine
have no message displayed on
the DISPATCH page, and
4) For ETOPS beyond
120 minutes, the APU and AC
auxiliary generation are
operative, and
5) For ETOPS beyond
120 minutes, the APU OIL
FILTER message is not
displayed on the DISPATCH
page, and
6) For ETOPS beyond
120 minutes, the OIL LEVEL
LO indication is not displayed
on the APU SD page.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
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REVISION NO. 7 PAGE NO. 24-11
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
24. Electrical Power
Change
Sequence No. Item 1 2 3 4 Bar

24-22 AC Main Generation

24-22-02 AC Main Generation –

Generator
(Cont’d)

24-22-02B Two inoperative C 4 2 (O) One may be inoperative on each

engine provided that:
1) The associated drives are not
disconnected, and
2) The AC main generation 1B is
operative, and
3) The associated GEN
1A(2A)(2B) pb-sw are set to
OFF, and
4) There is no message displayed
on the DISPATCH page for the
operative AC main generation,
and
5) The APU GEN pb-sw is set to
OFF for takeoff and landing,
and
6) For ETOPS beyond
120 minutes, the APU is
operative and used in the
ETOPS sector, and
7) For ETOPS beyond
120 minutes, the AC auxiliary
generation is operative and
used in the ETOPS sector, and
8) For ETOPS beyond
120 minutes, the APU OIL
FILTER message is not
displayed on the DISPATCH
page, and
9) For ETOPS beyond
120 minutes, the OIL LEVEL
LO indication is not displayed
on the APU SD page.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 24-12
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
24. Electrical Power
Change
Sequence No. Item 1 2 3 4 Bar

24-22 AC Main Generation

24-22-03 Drive Oil Filter

Monitoring
(Aircraft without |
MP L48528/ |
MOD 115480) |

24-22-03A No check of the drive oil A 4 2 One may be inoperative on each

filter engine for three flights.

24-22-03B Check of the drive oil C 4 2 (M) One may be inoperative on each
filter engine provided that the associated oil
filter is checked and does not reveal
the presence of chips.

24-22-04 Drive Oil Level

Monitoring

24-22-04A No check of the drive oil A 4 2 One may be inoperative on each

level engine for three flights.

24-22-04B Check of the drive oil C 4 2 (M) Two may be inoperative provided
level that the sight glass of the affected AC
main generation shows a correct oil
level.

24-22-05 Drive Oil Pressure

Monitoring

24-22-05A A 4 2 (O) One may be inoperative on each

engine for 35 flight-hours provided
that:
1) The affected drive is
disconnected, and
2) The associated AC main
generation is considered
inoperative.

Refer to Item 24-22-01, AC Main

Generation – Drive.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 24-13
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
24. Electrical Power
Change
Sequence No. Item 1 2 3 4 Bar

24-22 AC Main Generation

24-22-06 Drive Oil Temperature |

monitoring |
(Aircraft with |
MP L48528/ |
MOD 115480) |

24-22-06A A 4 2 One may be inoperative on each |

engine for 10 consecutive |
calendar-days. |

24-23 AC Auxiliary Generation

24-23-01 AC Auxiliary Generation

24-23-01A C 1 0 (O) May be inoperative provided that

ETOPS beyond 180 minutes is not
conducted.

24-24 AC Emergency
Generation

24-24-01 RAT Shedding

Redundancy

24-24-01A C 1 0 May be inoperative.

24-24-02 RAT Pressure Switch

(Aircraft without |
MP L48440/ |
MOD 115004) |

24-24-02A C 1 0 (M)(O) May be inoperative provided

that the RAT extension and retraction
are checked operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 24-14
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
24. Electrical Power
Change
Sequence No. Item 1 2 3 4 Bar

24-24 AC Emergency
Generation

24-24-03 RAT Stow Switch

24-24-03A B 1 0 (M)(O) May be inoperative provided

that:
1) The air conditioning pack 2 is
operative, and
2) The ground movement
surfaces and departure runway
are dry or damp, and
3) There is no precipitation during
taxi and take-off, and
4) The RAT extension and
retraction are checked
operative before each flight,
and
5) The RAT generator is heated
before each flight.

24-36 Battery Main Generation

24-36-01 Battery 1

24-36-01A AC main generations C 1 0 (O) May be inoperative provided that

2A and 2B operative AC main generations 2A and 2B are
operative.

24-36-01B AC main generation C 1 0 (O) May be inoperative provided that:

2A(2B) inoperative 1) The APU is operative for
ETOPS, and
2) The APU is used in the
ETOPS sector.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 24-15
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
24. Electrical Power
Change
Sequence No. Item 1 2 3 4 Bar

24-36 Battery Main Generation

24-36-02 Battery 2

24-36-02A AC main generations C 1 0 (O) May be inoperative provided that:

2A and 2B operative 1) AC main generations 2A and |
2B are operative, and |
2) The IR 2 is considered |
inoperative. |

Refer to Item 34-12-02, IR. |

24-36-02B AC main generation C 1 0 (O) May be inoperative provided that:

Refer to Item 34-12-02, IR. |

24-41 AC External Power

Control

24-41-01 EXT PWR 1(2) AVAIL

light on the External
Power Panel

24-41-01A C 2 0 One or both may be inoperative.

24-41-02 EXT PWR 1(2) NOT IN

USE light on the External
Power Panel

24-41-02A C 2 0 (O) One or both may be inoperative

provided that the use of the affected
external power is coordinated between
the ground and the cockpit.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 24-16
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
24. Electrical Power
Change
Sequence No. Item 1 2 3 4 Bar

24-41 AC External Power

Control

24-41-03 External Power Control

and Receptacle

24-41-03A External Power 1 D 2 1 (M) External Power 1 may be

inoperative inoperative provided that:
1) Receptacle 1 is visually
inspected, placarded
inoperative and not used, and
2) EXT 1 pb is placarded
inoperative.

24-41-03B External Power 2 C 2 1 (M)(O) External Power 2 may be

inoperative inoperative provided that:
1) Receptacle 2 is visually
inspected, placarded
inoperative and not used, and
2) EXT 2 pb is placarded
inoperative.

24-41-03C Both inoperative C 2 0 (M)(O) Both may be inoperative

provided that:
1) Both receptacles are visually
inspected, placarded
inoperative and not used, and
2) Both EXT pb are placarded
inoperative.

24-51 230 VAC Distribution

24-51-01 Auto Transformer Unit

1A(1B)(2A)(2B)

24-51-01A External power C 4 2 One may be inoperative on one or

receptacle 2 operative both electrical sides provided that the
external power receptacle 2 is
operative.

24-51-01B External power C 4 2 (O) One may be inoperative on one or

receptacle 2 inoperative both electrical sides.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 24-17
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
24. Electrical Power
Change
Sequence No. Item 1 2 3 4 Bar

24-71 Electrical Power

Distribution Center

24-71-01 C/B Monitoring Function

24-71-01A C 1 0 (O) May be inoperative provided that

the REMOTE C/B CTL ON memo is
not displayed on the WD.

24-71-02 Emergency Distribution

Redundancy

24-71-02A C 1 0 May be inoperative.

24-71-03 Load Management

24-71-03A C 1 0 May be inoperative provided that the

ELM pb-sw is set to OFF.

24-71-04 Normal Network

Management Degraded

24-71-04A C 1 0 May be degraded provided that none

of the following dispatch messages
are displayed:
ELEC GEN 1A(1B)(2A)(2B),
ELEC DRIVE 1A(1B)(2A)(2B)
DISCONNECTED,
ELEC DRIVE 1A(1B)(2A)(2B)
DISC STS UNKNOWN.

24-71-05 Normal Distribution

Degraded

24-71-05A C 1 0 (M) May be degraded provided that

the SSPC cards 4107XZ, 4109XZ,
4111XZ, 4113XZ, 4208XZ, 4210XZ,
4214XZ, and 4216XZ are checked
operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 24-18
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
24. Electrical Power
Change
Sequence No. Item 1 2 3 4 Bar

24-71 Electrical Power

Distribution Center

24-71-06 Normal Distribution

Redundancy

24-71-06A C 1 0 May be inoperative.

24-74 Cabin and Cargo Power

Distribution

24-74-01 Cabin Power Protection

Degraded

24-74-01A C 1 0 May be degraded.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-1
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-11-08 Pilot Sidestick Armrest

Height Adjustment

25-11-08A C 2 0 One or both may be inoperative

provided that the armrest position is
acceptable to the affected
crewmember.

25-11-09 Pilot Sidestick Armrest

Pitch Adjustment

25-11-09A C 2 0 One or both may be inoperative

provided that the armrest position is
acceptable to the affected
crewmember.

25-11-10 Pilot Sidestick Armrest

Memory Display Position

25-11-10A C 2 0 One or both may be inoperative.

25-11-11 Pilot Inboard Armrest

Pitch Adjustment

25-11-11A C 2 0 One or both may be inoperative

provided that the armrest position is
acceptable to the affected
crewmember.

25-11-12 Pilot Inboard Armrest

Translation Adjustment

25-11-12A C 2 0 One or both may be inoperative

provided that the armrest position is
acceptable to the affected
crewmember.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-3
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-12 Third Occupant Seat

25-12-01 Third Occupant Seat

25-12-01A Seat available in cabin A 1 0 May be inoperative provided that:

1) A passenger seat in the
passenger cabin is made
available to an FAA inspector
for the performance of official
duties, and
2) Repairs are made within
2 flight-days.

25-12-01B Fourth occupant seat A 1 0 May be inoperative provided that:

available 1) Fourth occupant’s seat is
available and acceptable to the
FAA inspector for the
performance of official duties,
and
2) Repairs are made within
2 flight-days.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-4
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-12 Third Occupant Seat

25-12-01 Third Occupant Seat

(Cont’d)

25-12-01C Required minimum A 1 0 May be inoperative provided that:

safety equipment 1) Required minimum safety
available equipment (oxygen and
safety belt) is available, and
2) Seat is acceptable to the
FAA inspector for the
performance of official duties,
and
3) Repairs are made within
2 flight-days.

NOTE 1: These provisos are intended

to provide for occupancy of
the above seats by an
FAA inspector when the
minimum safety equipment
(oxygen and safety belt) is
functional and the inspector
determines the conditions to
be acceptable.

NOTE 2: The pilot in command will

determine if the minimum
safety equipment is
functional for other persons
authorized to occupy any
observer seat(s).
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-5
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-12 Third Occupant Seat

25-12-02 Third Occupant Seat

Horizontal Adjustment

25-12-02A Seat locked D 1 0 May be inoperative provided that the

seat is locked.

25-12-02B Seat not locked and A 1 0 (M) May be inoperative for

secured 2 flight-days provided that the seat is
secured and not occupied.

Refer to Item 25-12-01, Third

Occupant Seat.

25-12-03 Third Occupant Seat

Other Adjustments
(Vertical, Lumbar, and
Recline)

25-12-03A D 3 0 One or more may be inoperative

provided that the seating position is
acceptable to the occupant.

25-12-04 Third Occupant Seat

Headrest Adjustment

25-12-04A D 1 0 (M) May be inoperative provided the

headrest position is acceptable to the
occupant or the headrest is removed.

25-12-05 Third Occupant Seat

Shoulder Harness

25-12-05A A 1 0 May be inoperative provided that:

1) Third occupant seat is
considered inoperative, and
2) Repairs are made within
2 flight-days.

Refer to Item 25-12-01, Third

Occupant Seat.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-6
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-12 Third Occupant Seat

25-12-06 Third Occupant Seat

Fifth Strap

25-12-06A A 1 0 May be inoperative provided that:

1) Third occupant seat is
considered inoperative, and
2) Repairs are made within
2 flight-days.

Refer to Item 25-12-01, Third

Occupant Seat.

25-12-07 Third Occupant Seat

Armrest

25-12-07A D 2 0 One or both may be inoperative

provided that the armrest position is
acceptable to the occupant.

25-13 Fourth Occupant Seat

25-13-01 Fourth Occupant Seat

25-13-01A D 1 0 May be inoperative provided that the

seat is not occupied.

25-13-02 Fourth Occupant Seat

Shoulder Harness

25-13-02A D 1 0 May be inoperative provided that the

seat is considered inoperative.

Refer to Item 25-13-01, Fourth

Occupant Seat.

25-13-03 Fourth Occupant Seat

Fifth Strap

25-13-03A D 1 0 May be inoperative provided that the

seat is considered inoperative.

Refer to Item 25-13-01, Fourth

Occupant Seat.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-7
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-14 Cockpit Equipment

25-14-01 Pilot Sliding Table

25-14-01A C 2 0 (M)(O) One or both may be

inoperative in stowed position or
removed.

25-14-02 Pilot Retractable

Footrest

25-14-02A C 4 0 (M) One or more may be inoperative

in stowed position or removed.

25-14-03 Protective Cover for the

ENG START panel and
ECAM Control Panel

25-14-03A A 1 0 (O) May be inoperative or missing for

three flights provided that:
1) Standard practices for the
handling of liquids in the
cockpit are respected, and
2) The specific procedure in case
of inadvertent liquid spillage on
the ENG START panel and
ECAM Control Panel is
applied.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-8
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-21 Passenger Compartment

Seat

25-21-01 Passenger Seat

25-21-01A D – – May be inoperative provided that:

1) Seat does not restrict access
to any emergency exit, egress
route, or main aisle, and
2) The affected seat(s) is blocked
and placarded
“DO NOT OCCUPY”.

NOTE 1: A seat with an inoperative

seat belt is considered
inoperative.

NOTE 2: Inoperative seats do not

affect the required number of
flight attendants.

NOTE 3: Affected seat(s) may include

the seat(s) behind and/or
adjacent outboard seats.

NOTE 4: Affected seat(s) located

between aisles may require
that all seats on affected
row(s) be considered
inoperative to ensure that
there is no restriction of
access to both aisles.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-9
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-21 Passenger Compartment

Seat

25-21-02 Positioning Controls for

Taxi, Takeoff, and
Landing (TTL)
(Mechanical and/or
Electrical)

25-21-02A Seat secured in the TTL D – – (M) May be inoperative and seat
position occupied provided that seat is secured
in the taxi, takeoff, and landing (TTL)
position.

25-21-02B Seat immovable in the D – 0 May be inoperative and seat occupied

TTL position provided that seat is immovable in the
taxi, takeoff, and landing (TTL)
position.

25-21-03 Passenger Seat Belt

25-21-03A D – 0 One or more may be inoperative

provided that the associated seat is
considered inoperative.

Refer to Item 25-21-01, Passenger

Seat.

25-21-04 Passenger Seat Airbag

25-21-04A D – 0 One or more may be inoperative

provided that the associated seat is
considered inoperative.

Refer to Item 25-21-01, Passenger

Seat.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-10
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-21 Passenger Compartment

Seat

25-21-05 Passenger Seat Armrest

25-21-05A Affected seat that D – 0 (M) One or more may be inoperative

requires armrest provided that:
positioning for Taxi, 1) The affected armrest does not
Takeoff, and Landing restrict access to any
emergency exit, egress route,
or main aisle, and
2) The affected armrest is
inoperative in the required
position for Taxi, Takeoff, and
Landing.

25-21-05B Passenger seat D – 0 One or more may be inoperative

considered inoperative provided that:
1) The affected armrest does not
restrict access to any
emergency exit, egress route,
or main aisle, and
2) The associated seat is
placarded inoperative and is
not used.

Refer to Item 25-21-01, Passenger

Seat.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-11
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-21 Passenger Compartment

Seat

25-21-06 Underseat Baggage

Restraining Bar

25-21-06A C – – (O) One or more may be inoperative

provided that:
1) Baggage is not stowed under
the associated seat, and
2) The associated seat is
placarded “DO NOT STOW
BAGGAGE UNDER THIS
SEAT”, and
3) Procedures are established to
alert Cabin Crew of inoperative
restraining bar.

25-21-07 Passenger Seat

Stowage Access Door

25-21-07A Affected stowage D – 0 (M) One or more may be damaged or

secured closed missing provided that:
1) The affected stowage
compartment is empty, and
2) The affected stowage
compartment access is
secured to prevent the use of
the stowage.

25-21-07B Associated seat D – 0 One or more may be damaged or

considered inoperative missing provided that the associated
seat is considered inoperative.

Refer to Item 25-21-01, Passenger

Seat.

25-21-08 Passenger Mini-Suite

*** Taxi, Takeoff, and
Landing (TTL) Light

25-21-08A C – 0 (O) May be inoperative and seat

occupied provided that alternate
procedures are established and used.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-12
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-21 Passenger Compartment

Seat

25-21-09 Passenger Mini-Suite

*** Door

25-21-09A D – 0 (M) One or more may be inoperative

and seat(s) occupied provided that the
affected door(s) is secured in the fully
open position or removed.

25-21-10 Passenger Seat

*** Leg/Footrest
(Non Lie-Flat Seat)

25-21-10A D - 0 (M) May be inoperative and seat

occupied provided that the affected
leg/footrest is secured in the
retracted/stowed position or removed.

25-21-11 Passenger Seat |

Stowage Compartment |
(Aircraft with |
MP L65433/ |
MOD 114114) |

25-21-11A Locking mechanism can D - 0 (O) One or more stowage locking |

25-21-11B Locking Mechanism D - 0 (M) One or more stowage locking |

cannot be overridden mechanisms may be inoperative |
provided that the locking mechanism |
is deactivated or the stowage door is |
removed. |
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-13
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-22 Flight Attendant Seat

25-22-01 Flight Attendant Seat

25-22-01A Required flight attendant B – – (M)(O) One seat position or assembly

seats (dual position) may be inoperative
provided that:
1) Affected seat position or seat
assembly is not occupied, and
2) Flight attendant(s) displaced
by inoperative seat(s) occupies
either an adjacent flight
attendant seat or the
passenger seat which is most
accessible to the inoperative
seat(s) so as to most
effectively perform assigned
duties, and
3) Alternate procedures are
established and used as
published in crewmember
manuals, and
4) Folding type seat stows
automatically or is secured in
the retracted position, and
5) Passenger seat assigned to
flight attendant is placarded
“FOR FLIGHT ATTENDANT
ONLY”.

NOTE 1: An automatic folding seat

that will not stow
automatically is considered
inoperative.

NOTE 2: A seat position with an

inoperative or missing
restraint system is
considered inoperative.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-14
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-22 Flight Attendant Seat

25-22-01 Flight Attendant Seat

(Cont’d)

25-22-01A Required flight attendant B – – NOTE 3: Individual operators when

seats operating with inoperative
(Cont’d) seats will consider the
locations and combinations
of seats to ensure that the
proximity to exits and
distribution requirements of
the applicable 14 CFR are
met.

NOTE 4: If one side of a dual seat

assembly is inoperative and
a flight attendant is displaced
to the adjacent seat, the
adjacent seat must operate
normally.

25-22-01B Excess flight attendant C – – (M) May be inoperative provided that:

seats 1) Affected seat position or seat
assembly is not occupied, and
2) Folding type seat stows
automatically or is secured in
the retracted position.

NOTE 1: An automatic folding seat

that will not stow
automatically is considered
inoperative.

NOTE 2: A seat position with an

inoperative or missing
restraint system is
considered inoperative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-15
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350
3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-27 Floor Panel Heating

25-27-01 Heating Function of

Heated Floor Panels
(Passenger/Crew Doors,
Emergency Exits, and
Galley Areas)

25-27-01A D - 0 (M) May be inoperative provided that

heating elements of the affected area
heated floor panels are deactivated.

25-35 Galley Equipment

25-35-01 Galley/Cabin Waste

Compartment Flapper
Door

25-35-01A C – – (M)(O) One or more may be

inoperative or missing provided that:
1) The associated galley/cabin
waste compartment is empty,
and
2) The associated access is
secured to prevent waste
introduction, and
3) Procedures are established to
ensure that sufficient
galley/cabin waste receptacles
are available to accommodate
all waste that may be
generated on a flight.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-16
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-35 Galley Equipment

25-35-02 Galley/Cabin Waste

*** Compartment Access
Door

25-35-02A C – – (M)(O) One or more may be

inoperative or missing provided that:
1) The associated galley/cabin
waste compartment is empty,
and
2) The associated flapper and
access doors are secured
closed to prevent waste
introduction, and
3) Procedures are established to
ensure that sufficient
galley/cabin waste receptacles
are available to accommodate
all waste that may be
generated on a flight.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-17
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-40 Lavatories

25-40-01 Toilet Waste

Compartment Flapper
Door

25-40-01A C – – (M) May be inoperative provided that:

1) Associated waste container is
empty, and
2) Affected receptacle access
door/cover/flapper door is
secured to prevent waste
introduction into the
receptacle, and
3) Lavatory is used only by
crewmembers, and
4) Lavatory door is locked closed
and placarded “INOPERATIVE
– DO NOT ENTER”.

NOTE: These provisos are not

intended to prohibit lavatory
use or inspections by
crewmembers.

25-40-02 Exterior Lavatory

Ashtray

25-40-02A 50% or less inoperative A – – Up to and including 50% may be

inoperative or missing for
10 consecutive calendar-days.

NOTE: Crew lavatories are included in

the total number of lavatory
doors with exterior ashtrays.

25-40-02B More than 50% A – 0 More than 50% may be

inoperative inoperative or missing for
3 consecutive calendar-days.

NOTE: Crew lavatories are included in

the total number of lavatory
doors with exterior ashtrays.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-18
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350
3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-40 Lavatories

25-40-03 Toilet Waste

Compartment Access
Door

25-40-03A C – 0 (M) May be inoperative provided that:

NOTE: These provisos are not

intended to prohibit lavatory
use or inspections by
crewmembers.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-19
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-50 Additional
Compartments

25-50-01 Crew Rest Compartment

*** Bunk Bed

25-50-01A C – 0 One or more may be inoperative

provided that:
1) Affected bunk bed is placarded
inoperative and is not used,
and
2) Procedures do not require its
use.

25-50-02 Flightcrew Rest

*** Compartment Seat

25-50-02A C 1 0 May be inoperative provided that:

1) Seat is placarded inoperative
and is not used, and
2) Procedures do not require its
use.

25-50-03 Decompression Panel

between FCRC and
Cabin

25-50-03A C 1 0 (O) May be damaged or missing

provided that:
1) Precaution is taken while
accessing or exiting bunk
beds, and
2) Procedures do not require use
of the FCRC.

25-50-04 Decompression Panel on

CCRC Access Door

25-50-04A Panel damaged or D 1 0 May be damaged or missing.

missing

25-50-04B Panel inoperative in the D 1 0 (M) May be inoperative in the closed

closed position position provided that the CCRC
access sliding door is secured in the
open position.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-20
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

provided:
1) Affected bin, compartment, or
closet is prominently placarded
“DO NOT USE”, and
2) Any emergency equipment
located in affected bin,
compartment, or closet is
considered inoperative, and
3) Location placarding for any
emergency equipment stored
in affected bin, compartment,
or closet is removed or
obscured.

NOTE: Use of this proviso may be

dependent upon an operator’s
aircraft security program, as
appropriate.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-23
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-50 Additional
Compartments

25-50-06 Storage Compartment

*** Key Locks

25-50-06A D – 0 (M) May be inoperative in the

unlocked position provided doors can
be secured by other means.

25-50-07 Flightcrew Rest

Compartment Door Lock

25-50-07A C 1 0 (O) May be inoperative provided that

alternate procedures are established
and used.

25-50-08 Multi Latch/

Quarter Turn Lug

25-50-08A C – – One latch/lug per compartment may

be inoperative provided that:
1) Remaining latch(es)/lug(s) on
affected compartments
operates normally, and
2) If affected compartment is
used for a galley cart, the cart
remains empty.

25-62 Cabin Escape Facilities

25-62-01 Slide/Raft

25-62-01A Refer to Item 52-10-01, Cabin

Door/Slide/Raft.

25-62-02 SLIDE ARMED light

25-62-02A C 8 0 (O) One or more may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-24
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-62 Cabin Escape Facilities

25-62-03 Slide Buzzer

***

25-62-03A Slide buzzer inoperative D 8 0 One or more may be inoperative.

25-62-03B Slide buzzer deactivated C 8 0 (M) One or more may be inoperative

to prevent spurious provided that:
chiming 1) The slide buzzer of the
affected cabin door indication
panel is deactivated, and
2) The associated slide armed
light is considered inoperative,
and
3) The associated cabin pressure
light is considered inoperative,
and
4) The associated cabin pressure
buzzer is considered
inoperative.

Refer to Item 25-62-02, SLIDE

ARMED light.

Refer to Item 52-71-05, CABIN

PRESSURE light on Cabin Door.

Refer to Item 52-71-07, Cabin

Pressure Buzzer on Cabin Door.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-25
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-64 First Aid Equipment

25-64-01 First Aid Kit (FAK)

25-64-01A Any FAK in excess of D – – Any in excess of those required by

those required 14 CFR may be incomplete or
removed.

25-64-01B More than one FAK A – – (O) If more than one is required by
required 14 CFR, only one of the required first
aid kits may be incomplete or removed
provided that:
1) FAK is labeled or placarded in
a manner that will identify it as
a unit that cannot be mistaken
for a fully serviceable unit, and
2) Location placarding is removed
or obscured, and
3) Repairs or replacements are
made within one flight.

NOTE: Medical equipment installed in

the aircraft as part of an EMS
operation is not considered
part of the normal compliment
of equipment. No MMEL relief
applies to that equipment and
14 CFR maintenance and
inspection requirements do not
apply.

25-64-01C Tamper seals or tags C – – (O) May be inoperative, damaged, or

*** inoperative missing provided that proper FAK
servicing is verified at each preflight.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-26
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-64 First Aid Equipment

25-64-02 Emergency Medical Kit

(EMK)

25-64-02A Any EMK in excess of D – – Any in excess of those required by

those required 14 CFR may be incomplete or
removed.

25-64-02B Required EMK A – 0 (O) May be incomplete or removed

provided that:
1) EMK is labeled or placarded in
a manner that will identify it as
a unit that cannot be mistaken
for a fully serviceable unit, and
2) Location placarding is removed
or obscured, and
3) Repairs or replacements are
made within one flight.

NOTE: Medical equipment installed in

25-64-02C Tamper seals or tags C – – (O) May be inoperative, damaged, or

*** inoperative missing provided that proper EMK
servicing is verified at each preflight.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-27
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-64 First Aid Equipment

25-64-03 Automatic External

Defibrillator (AED)

25-64-03A Any AED in excess of D – – Any in excess of those required by

those required 14 CFR may be incomplete,
inoperative, or removed.

25-64-03B Required AED A – 0 (O) May be incomplete, inoperative, or

removed provided that:
1) AED is labeled or placarded in
a manner that will identify it as
a unit that cannot be mistaken
for a fully serviceable unit, and
2) Location placarding is removed
or obscured, and
3) Repairs or replacements are
made within one flight.

NOTE: Medical equipment installed in

the aircraft as part of an
Emergency Medical Service
(EMS) operation is not
considered part of the normal
compliment of equipment. No
MMEL relief applies to that
equipment and 14 CFR
maintenance and inspection
requirements do not apply.

25-64-03C Tamper seals or tags C – – (O) May be inoperative, damaged, or

*** inoperative missing provided that proper AED
servicing is verified at each preflight.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-28
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-65 Emergency Equipment

25-65-01 Cockpit Flashlight/Holder

25-65-01A Required C – – May be inoperative or removed

flashlight/holder provided that:
1) Crewmember assigned to
affected position has an
equivalent operative flashlight
readily available, and
2) Inoperative flashlight remains
in a certified location or is
removed from the aircraft, and
3) Location placarding is removed
or obscured.

25-65-01B Any flashlight/holder in D – – Any in excess of those required by

excess of those required 14 CFR may be inoperative or
removed provided that:
1) Inoperative flashlight remains
in a certified location until
removed from the aircraft at
the next suitable maintenance
facility, and
2) Location placarding is removed
or obscured.

25-65-01C Tamper seals or tags C – – (O) May be inoperative, damaged, or

*** inoperative missing provided that proper
installation and operation is verified at
each preflight.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-29
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-65 Emergency Equipment

25-65-02 Cabin Flashlight/Holder

25-65-02A Required C – – May be inoperative or removed

25-65-02B Any flashlight/holder in D – – Any in excess of those required by

25-65-02C Tamper seals or tags C – – (O) May be inoperative, damaged, or

*** inoperative missing provided that proper
installation and operation is verified at
each preflight.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-30
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-65 Emergency Equipment

25-65-04 Portable (Survival)

Emergency Locator
Transmitter

25-65-04A D – – Any in excess of those required by

14 CFR may be inoperative or
missing.

25-65-05 Fireproof Gloves

25-65-05A Fire gloves ‘C’ repair C – 0 One or more may be damaged or

interval missing.

25-65-05B Fire gloves ‘D’ repair D – 0 One or more may be damaged or

interval and procedures missing provided that procedures
do not require their use do not require their use.

25-65-06 Megaphones

25-65-06A Any megaphone in D – – Any in excess of those required by

excess of those required 14 CFR may be inoperative or
removed provided that:
1) Inoperative megaphone
remains in a certified location
until removed from the aircraft
at the next suitable
maintenance facility, and
2) Location placarding is removed
or obscured, and
3) Required distribution is
maintained.

25-65-06B Tamper seals or tags C – – (O) May be inoperative, damaged, or

*** inoperative missing provided that proper
installation and operation is verified at
each preflight.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-31
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-65 Emergency Equipment

25-65-07 FCRC Flashlight/Holder

25-65-07A FCRC used D – 1 One must be operative.

(Aircraft with MP
L60271/MOD 100671)

25-65-07B FCRC used D – 2 One must be operative in each FCRC.

(Aircraft with MP
L65040/MOD 112913)

25-65-07C FCRC not used D – 0 All may be inoperative or missing

(Aircraft with MP provided that the FCRC is locked
L60271/MOD 100671) closed and is placarded inoperative.

25-65-07D FCRC not used D – 0 All may be inoperative or missing

(Aircraft with MP provided that the associated FCRC is
L65040/MOD 112913) locked closed and is placarded
inoperative.

25-65-08 CCRC Flashlight/Holder

25-65-08A CCRC used D – 1 One must be operative.

25-65-08B CCRC not used D – 0 All may be inoperative or missing

provided that the CCRC is locked
closed and is placarded inoperative.

25-66 Floatation and Survival

Equipment

25-66-01 Life Vest

25-66-01A D – – Any in excess of those required by

14 CFR may be inoperative or
missing.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-32
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-66 Floatation and Survival

Equipment

25-66-02 Supplemental
*** Survival Kit

25-66-02A A 8 7 One may be inoperative or missing

provided that:
1) Associated door is considered
inoperative, and
2) Repairs are made within
1 flight-day.

Refer to Item 52-10-01, Cabin

Door/Slide/Raft.

25-69 Emergency Locator

Transmitter (ELT)

25-69-01 Fixed (Automatic)

Emergency Locator
Transmitter

25-69-01A Required ELT A 1 0 (M) May be inoperative for

inoperative 90 consecutive calendar-days
provided that system is deactivated.

25-69-01B Required ELT missing A 1 0 (M) May be missing for 90 consecutive

calendar-days provided that placard
stating “ELT not installed” is placed in
view of the pilot.

25-69-01C Non-required ELT D – – (M) Any in excess of those required by

inoperative 14 CFR may be inoperative provided
that system is deactivated.

25-69-01D Non-required ELT D – – Any in excess of those required by

missing 14 CFR may be missing.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 25-33
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
25. Equipment/Furnishings
Change
Sequence No. Item 1 2 3 4 Bar

25-69 Emergency Locator |

Transmitter (ELT) |

25-69-02 Low Frequency –

Underwater Locator
Beacon (LF-ULB)
(Aircraft with
MP L43342/
MOD 111316)

25-69-02A D 1 0 May be inoperative or missing.

25-90 Furnishing and

Equipment

25-90-01 Nonessential Equipment

and Furnishings (NEF)

25-90-01A – – 0 May be inoperative, damaged, or

missing provided that the item(s) is
deferred in accordance with an NEF
deferral program. The NEF program,
procedures, and processes are
outlined in the operator’s (insert name)
manual. (M) and (O) procedures, if
required, must be available to the
flightcrew and included in the aircraft
operator’s appropriate document.

NOTE: Exterior lavatory door ashtrays

are not considered NEF items.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 26-1
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
26. Fire Protection
Change
Sequence No. Item 1 2 3 4 Bar

26-01 FIRE Overhead Panel

26-01-01 LED in ENG FIRE pb-sw

26-01-01A C 16 8 A maximum of four LEDs in each

ENG FIRE pb-sw may be inoperative.

26-01-02 LED in APU Fire pb-sw

26-01-02A A maximum of four LEDs C 8 4 A maximum of four LEDs may be

inoperative inoperative.

26-01-02B Five or more LEDs C 8 0 Five or more LEDs may be inoperative

inoperative provided that the APU is considered
inoperative.

Refer to Item 49-10-01, APU

Powerplant.

26-01-03 ENG AGENT pb

DISCH light

26-01-03A C 4 0 One or more may be inoperative.

26-01-04 ENG AGENT pb

SQUIB light

26-01-04A C 4 0 One or more may be inoperative.

26-01-05 APU AGENT pb

DISCH light

26-01-05A C 1 0 May be inoperative.

26-01-06 APU AGENT pb

SQUIB light

26-01-06A C 1 0 May be inoperative.

26-01-31 FIRE TEST pb

26-01-31A C 1 0 (M) May be inoperative provided that

the maintenance fire test is performed
before the first MMEL dispatch and
then before the first flight of each day.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 26-2
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
26. Fire Protection
Change
Sequence No. Item 1 2 3 4 Bar

26-02 CARGO SMOKE

Overhead Panel

26-02-01 AGENT TO FWD(AFT)

*** pb SMOKE light

26-02-01A A 2 0 One or both may be inoperative for

10 consecutive calendar-days.

26-02-02 AGENT TO FWD(AFT)

*** pb DISCH light

26-02-02A C 2 0 One or both may be inoperative.

26-02-03 BTL1(2) light

(A350-900 Series)

26-02-03A C 2 0 One or both may be inoperative.

26-02-04 BTL1(2)(3) light

(A350-1000 Series)

26-02-04A C 3 0 One or more may be inoperative.

26-03 CABIN SMOKE

Overhead Panel

26-03-01 IFEC pb-sw

SMOKE light

26-03-01A IFEC available C 1 0 May be inoperative.

26-03-01B IFEC pb-sw set to off D 1 0 May be inoperative provided that the
IFEC pb-sw is set to OFF.

26-03-02 IFEC pb-sw OFF light

26-03-02A C 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 26-3
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
26. Fire Protection
Change
Sequence No. Item 1 2 3 4 Bar

26-03 CABIN SMOKE

Overhead Panel

26-03-03 PAX BBAND pb-sw

*** SMOKE light

26-03-03A PAX BBAND available C 1 0 May be inoperative.

26-03-03B PAX BBAND pb-sw set D 1 0 May be inoperative provided that the
to OFF PAX BBAND pb-sw is set to OFF.

26-03-04 PAX BBAND pb-sw OFF

*** light

26-03-04A C 1 0 May be inoperative.

26-04 MLG BAY Overhead

Panel

26-04-01 MLG BAY FIRE light

26-10-05 Engine Conversion

Module Channel

26-10-05A C 4 2 (O) One may be inoperative on each

engine provided that ETOPS beyond
120 minutes is not conducted.

26-10-06 APU/MLG Bay

Conversion Module
Channel

26-10-06A C 2 1 (O) One may be inoperative.

26-10-07 Fire Protection

Function 1

26-10-07A C 1 0 (O) May be inoperative.

26-10-08 Fire Protection

Function 2

26-10-08A C 1 0 (O) May be inoperative.

26-10-09 Fire Protection

Function 3

26-10-09A C 1 0 (O) May be inoperative.

26-10-10 Fire Protection

Function 4

26-18-01A Single FCRC D 1 0 (O) May be inoperative provided that:

(Aircraft with 1) The FCRC is locked closed
MP L60271/ and is placarded inoperative,
MOD 100671) and
2) The FCRC is not used for
storage or for any other
purpose, and
3) A procedure is used to
periodically check the absence
of smoke in the FCRC.

26-18-01B Dual FCRC D 2 0 (O) One or both may be inoperative

(Aircraft with provided that:
MP L65040/ 1) The associated FCRC is
MOD 112913) locked closed and is placarded
inoperative, and
2) The associated FCRC is not
used for storage or for any
other purpose, and
3) A procedure is used to
periodically check the absence
of smoke in the associated
FCRC.

NOTE 1: The location of the affected

smoke detection and
associated FCRC is
indicated on the FAP
SMOKE DETECTION page.

NOTE 2: After the failure of the smoke

detection in one FCRC, any
additional failure of the
smoke detection in the
second FCRC will be
indicated to the crew on the
FAP SMOKE DETECTION
page only.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 26-11
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
26. Fire Protection
Change
Sequence No. Item 1 2 3 4 Bar

26-18 Cabin Sub-Compartment

Fire and Smoke
Detection

26-18-02 CCRC Smoke Detection

*** Redundancy

26-18-02A CCRC smoke detector A 1 0 May be inoperative for

inoperative 90 consecutive calendar-days.

26-18-02B CCRC smoke detector A 1 0 (M) May be inoperative for

deactivated 90 consecutive calendar-days
provided that:
1) The inoperative CCRC smoke
detector is deactivated, and
2) The SMOKE CABIN REST
DET REDUNDANCY message
is displayed on the DISPATCH
page after the deactivation.

26-18-03 CCRC Smoke Detection

***

26-18-03A D 1 0 (O) May be inoperative provided that:

1) The CCRC is locked closed
and is placarded inoperative,
and
2) The CCRC is not used for
storage or for any other
purpose, and
3) A procedure is used to
periodically check the absence
of smoke in the CCRC.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 26-12
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
26. Fire Protection
Change
Sequence No. Item 1 2 3 4 Bar

26-20 Engine and APU Fire

Extinguishing

26-20-01 Engine Fire

Extinguishing Bottle
Monitoring

26-20-01A C 4 0 (M)(O) One or more may be

inoperative provided that the
associated fire extinguishing bottle is
checked to be correctly charged.

26-20-02 APU Fire Extinguishing

Bottle Monitoring

26-20-02A APU bottle correctly C 1 0 (M)(O) May be inoperative provided

charged that the APU fire extinguishing bottle
is checked to be correctly charged.

26-20-02B APU not used C 1 0 (O) May be inoperative provided that:

1) The APU is considered
inoperative, and
2) ETOPS beyond 180 minutes is
not conducted.

Refer to Item 49-10-01, APU

Powerplant.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 26-13
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
26. Fire Protection
Change
Sequence No. Item 1 2 3 4 Bar

26-20 Engine and APU Fire

Extinguishing

26-20-03 Squib of the APU Fire

Extinguishing Bottle

26-20-03A One squib inoperative C 2 1 (M)(O) One may be inoperative

(Aircraft without provided that the remaining squib is
MP L43487/ checked operative.
MOD 111847)

26-20-03B One squib inoperative C 2 1 (O) One may be inoperative.

(Aircraft with
MP L43487/
MOD 111847)

26-20-03C Both squibs inoperative C 2 0 (O) Both may be inoperative provided

that:
1) The APU is considered
inoperative, and
2) ETOPS beyond 180 minutes is
not conducted.

Refer to Item 49-10-01, APU

Powerplant.

26-20-04 Squib of the Engine Fire

Extinguishing Bottle
(Aircraft with
MP L43487/
MOD 111847)

26-20-04A C 8 4 (O) One on each engine fire

extinguishing bottle may be
inoperative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 26-14
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
26. Fire Protection
Change
Sequence No. Item 1 2 3 4 Bar

26-23 Lower Deck Cargo

Compartment Fire
Extinguishing

26-23-01 FWD Cargo Fire

Extinguishing System
Redundancy

26-23-01A A 1 0 May be inoperative for

90 consecutive calendar-days.

26-23-02 FWD Cargo Fire

Extinguishing System

26-23-02A C 1 0 (O) May be inoperative provided that

NOTE: Operator MELs should define

which items are approved for
inclusion in the Fly Away Kits
and which materials can be
used as ballast.

26-23-03 AFT/BULK Cargo Fire

Extinguishing System
Redundancy

26-23-03A A 1 0 May be inoperative for

90 consecutive calendar-days.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 26-15
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
26. Fire Protection
Change
Sequence No. Item 1 2 3 4 Bar

26-23 Lower Deck Cargo

Compartment Fire
Extinguishing

26-23-04 AFT/BULK Cargo Fire

Extinguishing System

26-23-04A C 1 0 (O) May be inoperative provided that

NOTE: Operator MELs should define

which items are approved for
inclusion in the Fly Away Kits
and which materials can be
used as ballast.

26-23-05 Cargo Fire Extinguishing

System Redundancy

26-23-05A A 1 0 May be inoperative for 90 consecutive

calendar-days.

26-23-06 Cargo Fire Extinguishing

System

26-23-06A C 1 0 (O) May be inoperative provided that

procedures are established and used
to ensure both cargo compartments
remain empty or are verified to contain
only empty cargo handling equipment,
ballast (ballast may be loaded in
ULDs), and/or Fly Away Kits.

NOTE: Operator MELs should define

which items are approved for
inclusion in the Fly Away Kits
and which materials can be
used as ballast.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 26-16
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
26. Fire Protection
Change
Sequence No. Item 1 2 3 4 Bar

26-23 Lower Deck Cargo

Compartment Fire
Extinguishing

26-23-07 Cargo Fire Extinguishing

System Bottle 1 Squib

26-23-07A A 2 1 One may be inoperative for

90 consecutive calendar-days.

26-23-08 Cargo Fire Extinguishing

System Bottle 1

26-23-08A C 1 0 (O) May be inoperative provided that

NOTE: Operator MELs should define

which items are approved for
inclusion in the Fly Away Kits
and which materials can be
used as ballast.

26-23-09 Cargo Fire Extinguishing

System Bottle 2 Squib

26-23-09A A 2 1 One may be inoperative for

90 consecutive calendar-days.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 26-17
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
26. Fire Protection
Change
Sequence No. Item 1 2 3 4 Bar

26-23 Lower Deck Cargo

Compartment Fire
Extinguishing

26-23-10 Cargo Fire Extinguishing

System Bottle 2

26-23-10A C 1 0 (O) May be inoperative provided that

NOTE: Operator MELs should define

which items are approved for
inclusion in the Fly Away Kits
and which materials can be
used as ballast.

26-23-11 Cargo Fire Extinguishing

System Bottle 3 Squib
(A350-1000 Series)

26-23-11A A 2 1 One may be inoperative for

90 consecutive calendar-days.

26-23-12 Cargo Fire Extinguishing

System Bottle 3
(A350-1000 Series)

26-23-12A C 1 0 (O) May be inoperative provided that

NOTE: Operator MELs should define

which items are approved for
inclusion in the Fly Away Kits
and which materials can be
used as ballast.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 26-18
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
26. Fire Protection
Change
Sequence No. Item 1 2 3 4 Bar

26-24 Portable Fire

Extinguisher

26-24-01 Cabin Portable

Fire Extinguisher

26-24-01A D – – Any in excess of those required by

14 CFR may be inoperative or
removed provided that:
1) Inoperative fire extinguisher
remains in a certified location
until removed from the aircraft
at the next suitable
maintenance facility, and
2) Location placarding is removed
or obscured, and
3) Required distribution is
maintained.

NOTE: Inoperative fire extinguishers,

removed from a certified
location or removed from the
aircraft, are subject to 49 CFR
dangerous goods regulations.

26-24-01B Tamper seals or tags C – – (O) May be inoperative, damaged, or

*** inoperative missing provided that proper
installation and servicing is verified at
each preflight.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 26-19
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
26. Fire Protection
Change
Sequence No. Item 1 2 3 4 Bar

26-24 Portable Fire

Extinguisher

26-24-03 CRC Portable

Fire Extinguisher

26-24-03A D – 0 One or more may be inoperative and

removed or missing provided that:
1) The associated CRC is locked
closed and is placarded
inoperative, and
2) The associated CRC is not
used for storage or for any
other purposes.

NOTE: Inoperative portable fire

extinguisher may be subject to
dangerous goods
requirements.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 26-20
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
26. Fire Protection
Change
Sequence No. Item 1 2 3 4 Bar

26-25 Lavatory Fire

Extinguishing

26-25-01 Lavatory Waste Bin

Fire Extinguisher

26-25-01A Lavatory smoke C – 0 For each lavatory, the lavatory fire

detection operative extinguisher system may be
inoperative provided that the
associated lavatory smoke detection
system operates normally.

26-25-01B Lavatory locked closed C – 0 (M)(O) For each lavatory, the lavatory
fire extinguisher system may be
inoperative provided that:
1) Lavatory waste receptacle is
empty, and
2) Associated lavatory door is
locked closed and placarded
“INOPERATIVE –
DO NOT ENTER”, and
3) Lavatory is used only by
crewmembers.

NOTE: These provisos are not

intended to prohibit lavatory
use or inspections by
crewmembers.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-1
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-01 F/CTL Overhead Panel

27-01-01 PRIM pb-sw FAULT light

27-01-01A C 3 0 (O) One or more may be inoperative

provided that the associated
PRIM 1(2)(3) indication is operative
on the F/CTL SD page.

27-01-02 PRIM pb-sw OFF light

27-01-02A C 3 0 One or more may be inoperative.

27-01-03 SEC pb-sw FAULT light

27-01-03A C 3 0 (O) One or more may be inoperative

provided that the associated
SEC 1(2)(3) indication is operative
on the F/CTL SD page.

27-01-04 SEC pb-sw OFF light

27-01-04A C 3 0 One or more may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-2
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-02 RUDDER TRIM Pedestal

Panel

27-02-01 RUDDER TRIM

RESET pb

27-02-01A C 1 0 (O) May be inoperative provided that

the RUDDER TRIM selector is
operative.

27-02-02 RUDDER TRIM selector

27-02-02A C 1 0 (O) May be inoperative provided that

one AP is operative.

27-09 Dispatch Messages

27-09-01 F/CTL HYD SENSOR

Message

27-09-01A C – – (M) May be displayed on the

DISPATCH page provided that:
1) All the electrical actuators are
checked operative, and
2) Hydraulic circuit monitoring by
the PRIMs is checked
operative.

27-09-02 F/CTL MOST

ACCELEROMETERS
Message

27-09-02A C – – May be displayed on the DISPATCH

page provided that all IRs are
operative.

27-09-03 F/CTL INR FLAPS

LOAD SENSOR
DISAGREE Message

27-09-03A A – – May be displayed on the DISPATCH

page for three flights provided that
both flap systems are operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-3
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-09 Dispatch Messages

27-09-04 F/CTL L(R) OUTR FLAP

LOAD SENSOR
DISAGREE Message

27-09-04A (A350-900 Series) A – – (M) One or both may be displayed on

the DISPATCH page for three flights
provided that:
1) Both flap systems are
operative, and
2) The associated outer flap is
visually inspected before each
flight.

27-09-04B (A350-1000 Series) A − − One or both may be displayed on the

DISPATCH page for three flights
provided that both flap systems are
operative.

27-09-05 F/CTL FLAPS TIP BRK

TEST REQUIRED
Message

27-09-05A A – – May be displayed on the DISPATCH

page for three flights.

27-09-06 F/CTL SLATS TIP BRK

TEST REQUIRED
Message

27-09-06A A – – May be displayed on the DISPATCH

page for three flights.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-4
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-09 Dispatch Messages

27-09-07 F/CTL PART GND

STATUS INPUTS
Message

27-09-07A C − − May be displayed on the DISPATCH

page provided that all PRIMS and
SECS are operative.

27-09-08 F/CTL ADR/IR/ISIS

27-14-03A (A350-900 Series) C 8 0 (M)(O) One or more may be

inoperative provided that:
1) The TOW is checked below
595,248 lbs (270,000 kg), and
2) All outer ailerons hydraulic
actuators are checked
operative.

27-14-03B (A350-1000 Series) C 8 0 (M)(O) One or more may be

inoperative provided that all outer
ailerons hydraulic actuators are
checked operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-8
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-14 Aileron Actuation and

Monitoring

27-14-04 Inner Aileron Hydraulic

Actuator

27-14-04A (A350-900 Series) A 2 1 (M) One may be inoperative for

27-14-04B (A350-1000 Series) A 2 1 (M)(O) One may be inoperative for

10 consecutive calendar-days
provided that:
1) All spoilers are operative, and
2) The damping function of the
affected actuator is checked
operative before each flight,
and
3) The affected inner aileron
electrical actuator is checked
operative, and
4) Airplane Flight Manual
performance penalties are
applied.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-9
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350
3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-14 Aileron Actuation and

Monitoring

27-14-05 Inner Aileron Elec

Actuator Redundancy
(Aircraft with
MP L48124/
MOD 113749)

27-14-05A A 2 1 (M) One may be inoperative for five

flights provided that:
1) The associated inner aileron
hydraulic actuator is operative,
and
2) The affected EHA is manually
refilled before each flight, and
3) The active mode of the
affected EHA is checked
operative before each flight.

27-22 Rudder Trim Actuation

and Artificial Feel

27-22-01 Rudder Trim System

27-22-01A One rudder trim system C 2 1 (M) One may be inoperative provided
inoperative that the affected rudder trim system is
deactivated.

27-22-01B Both rudder trim systems C 2 0 (M)(O) Both may be inoperative

27-24 Rudder Actuation and

Monitoring

27-24-04 Rudder Elec Actuator

Redundancy
(Aircraft with
MP L48124/
MOD 113749)

27-24-04A A 1 0 (M) May be inoperative for five flights

provided that:
1) Both rudder hydraulic
actuators are operative, and
2) The affected EHA is manually
refilled before each flight, and
3) The active mode of the
affected EHA is checked
operative before each flight.

27-34 Elevator Actuation and

Monitoring

27-34-01 Elevator Elec Actuator

Redundancy
(Aircraft with
MP L48124/
MOD 113749)

27-34-01A A 2 1 (M) One may be inoperative for five

flights provided that:
1) The affected EHA is manually
refilled before each flight, and
2) The active mode of the
affected EHA is checked
operative before each flight.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-14
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-44 THS Actuation and

Monitoring

27-44-01 Stabilizer Electrical

Motor E1

27-44-01A C 1 0 (M) May be inoperative provided that:

1) Both FCDCs are operative,
and
2) The stabilizer electrical motor
E3 is operative, and
3) The stabilizer electrical motor
E1 is deactivated, and
4) The monitoring of the stabilizer
by the FWS is checked
operative, and
5) The stabilizer is checked fully
operative, and
6) Both electrical actuators of the
elevators are checked before
each flight.

27-44-02 Stabilizer Electrical

Motor E3

27-44-02A C 1 0 (M) May be inoperative provided that:

1) Both FCDCs are operative,
and
2) The stabilizer electrical motor
E1 is operative, and
3) The stabilizer electrical motor
E3 is deactivated, and
4) The monitoring of the stabilizer
by the FWS is checked
operative, and
5) The stabilizer is checked fully
operative, and
6) Both electrical actuators of the
elevators are checked
operative before the first MEL
dispatch and then every
10 days.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-15
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-51 Flap Control and

Monitoring

27-51-01 Flap System 1

27-51-01A (Aircraft without A 1 0 (M)(O) May be inoperative for |

MP L48528/ three flights provided that: |
MOD 115480) 1) The flap system 1 is |
deactivated, and
2) Communication between
slats/flaps systems and PRIMS
is checked operative, and
3) The wing tip brake function is
checked operative, and
4) The flap system 2 and the flap
PCU 2 are operative, and
5) Both slat systems are
operative.

27-51-01B (Aircraft with A 1 0 (M)(O) May be inoperative for |

MP L48528/ three flights provided that: |
MOD 115480) 1) The flap system 1 is |
deactivated, and |
2) Communication between |
slats/flaps systems and PRIMS |
is checked operative, and |
3) The flap system 2 and the flap |
PCU 2 are operative, and |
4) Both slat systems are |
operative. |
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-16
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-51 Flap Control and

Monitoring

27-51-02 Flap System 2

27-51-02A (Aircraft without A 1 0 (M)(O) May be inoperative for |

MP L48528/ three flights provided that: |
MOD 115480) 1) The flap system 2 is |
deactivated, and
2) Communication between
slats/flaps systems and PRIMS
is checked operative, and
3) The wing tip brake function is
checked operative, and
4) The flap system 1 is operative,
and
5) Both slat systems are
operative, and
6) Airplane Flight Manual
performance penalties are
applied.

27-51-02B (Aircraft with A 1 0 (M)(O) May be inoperative for |

27-51-03 Flap PCU 2

27-51-03A C 1 0 (O) May be inoperative provided that:

1) The flap system 1 is operative,
and
2) Both slat systems are
operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-17
DATE: 07/05/2023

TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-51 Flap Control and

Monitoring

27-51-04 Flap Wing Tip Brake

Sensor

27-51-04A A 2 0 One or both may be inoperative for

three flights.

27-51-05 Flap ADGB Control

27-51-05A C 1 0 (O) May be inoperative provided that:

1) The slat system 1 is operative,
and
2) Airplane Flight Manual
performance penalties are
applied.

27-51-06 Flap System 1 ADGB

Brake

27-51-06A C 1 0 May be inoperative provided that the

flap system 2 is operative.

27-51-07 Flap PCU 1

27-51-07A C 1 0 (O) May be inoperative provided that:

1) The flap system 2 is operative,
and
2) Both slat systems are
operative.

27-51-08 Enhanced Takeoff |

Configuration |
(Aircraft with |
MP L44318/ |
MOD 114913) |

27-51-08A C 1 0 (O) May be inoperative provided that |

takeoff is performed in slats/flaps |
configuration 1B+F, 2B or 3A. |
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-18
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-64 Spoiler Actuation and

Monitoring

27-64-01 Spoiler 1

27-64-01A One inoperative A 2 1 (M)(O) One may be inoperative for |

(A350-900 Series) five flights provided that:
1) The affected spoiler is checked
to be inactive, in the retracted
position, and the FLAPS lever
remains at 0 until selection of
departure FLAPS, and
2) The other spoilers are
operative, and
3) The landing configuration is
limited to CONF 3, and
4) The TOW is checked below
595,248 lbs (270,000 kg), and
5) Airplane Flight Manual
performance penalties are
applied.

27-64-01B One inoperative with a C 2 1 (M)(O) One may be inoperative |

spoiler collar installed provided that:
(A350-900 Series) 1) The affected spoiler is checked
to be inactive and in the
retracted position before each
flight, and
2) A spoiler collar is installed on
the affected spoiler, and
3) The other spoilers are
operative, and
4) The TOW is checked below
595,248 lbs (270,000 kg), and
5) Airplane Flight Manual
performance penalties are
applied.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-19
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-64 Spoiler Actuation and

Monitoring

27-64-01 Spoiler 1
(Cont’d)

27-64-01C One inoperative A 2 1 (M)(O) One may be inoperative for |

(A350-1000 Series) five flights provided that:
1) The affected spoiler is checked
to be inactive, in the retracted
position, and the FLAPS lever
remains at 0 until selection of
departure FLAPS, and
2) The other spoilers are
operative, and
3) The landing configuration is
limited to CONF 3, and
4) Airplane Flight Manual
performance penalties are
applied.

27-64-02 Spoiler 2

27-64-02A One inoperative A 2 1 (M)(O) One may be inoperative for |

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-20
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-64 Spoiler Actuation and

Monitoring

27-64-02 Spoiler 2
(Cont’d)

27-64-02B One inoperative with a C 2 1 (M)(O) One may be inoperative |

27-64-02C One inoperative A 2 1 (M)(O) One may be inoperative for |

(A350-1000 Series five flights provided that: |
without MP L44318/ 1) The affected spoiler is checked |
MOD 114913) to be inactive, in the retracted |
position, and the FLAPS lever
remains at 0 until selection of
departure FLAPS, and
2) The other spoilers are
operative, and
3) Takeoff is performed in
CONF 1+F, and
4) The landing configuration is
limited to CONF 3, and
5) Airplane Flight Manual
performance penalties are
applied.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-21
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-64 Spoiler Actuation and

Monitoring

27-64-02 Spoiler 2
(Cont’d)

27-64-02D One inoperative A 2 1 (M)(O) One may be inoperative for |

27-64-03 Spoiler 3

27-64-03A One inoperative A 2 1 (M)(O) One may be inoperative for |

(Aircraft without five flights provided that: |
MP L44318/ 1) The affected spoiler is checked |
MOD 114913) to be inactive, in the retracted |
position, and the FLAPS lever
remains at 0 until selection of
departure FLAPS, and
2) The electrical mode of the pair
of spoiler 5 is checked
operative, and
3) The other spoilers are
operative, and
4) Takeoff is performed in
CONF 1+F, and
5) The landing configuration is
limited to CONF 3, and
6) Airplane Flight Manual
performance penalties are
applied.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-22
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-64 Spoiler Actuation and

Monitoring

27-64-03 Spoiler 3
(Cont’d)

27-64-03B One inoperative with a C 2 1 (M)(O) One may be inoperative |

spoiler collar installed provided that:
(Aircraft without 1) The affected spoiler is checked |
MP L44318/ to be inactive and in the |
MOD 114913) retracted position before each |
flight, and
2) The electrical mode of the pair
of spoiler 5 is checked
operative, and
3) A spoiler collar is installed on
the affected spoiler, and
4) The other spoilers are
operative, and
5) Takeoff is performed in
CONF 1+F, and
6) Airplane Flight Manual
performance penalties are
applied.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-26
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-64 Spoiler Actuation and

27-64-07 Spoiler 5 Actuator

Redundancy
(Aircraft with
MP L48124/
MOD 113749)

27-64-07A C 2 1 (M) One may be inoperative provided

that the electrical mode of the EBHA is
checked operative before the first MEL
dispatch and then every 10 days.

27-64-08 Spoiler 5
(Aircraft with
MP L43234/
MOD 111739)

27-64-08A A 2 1 (M)(O) One may be inoperative for

five flights provided that:
1) The affected spoiler is checked
to be inactive, in the retracted
position, and the FLAPS lever
remains at 0 until selection of
departure FLAPS, and
2) The other spoilers are
operative, and
3) The landing configuration is
limited to CONF 3, and
4) Airplane Flight Manual
performance penalties are
applied.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-31
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-81 Slat Control and

Monitoring

27-81-01 Slat System 1

27-81-01A A 1 0 (M)(O) May be inoperative for

three flights provided that:
1) The slat system 1 is
deactivated, and
2) Communication between
slats/flaps systems and PRIMS
is checked operative, and
3) The slat system 2 is operative,
and
4) Both flap systems are
operative, and
5) The flap PCU 2 is operative,
and
6) The flap ADGB control is
operative.

27-81-02 Slat System 2

27-81-02A A 1 0 (M)(O) May be inoperative for

three flights provided that:
1) The slat system 2 is
deactivated, and
2) Communication between
slats/flaps systems and PRIMS
is checked operative, and
3) The slat system 1 is operative,
and
4) Both flap systems are
operative, and
5) The flap PCU 2 is operative.

27-81-03 Slat Wing Tip Brake

Sensor

27-81-03A A 2 0 One or both may be inoperative for

three flights.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-32
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-91 Primary Flight Control

System – Internal Bus
Interface

27-91-01 PRIM 1 Tail Bus

27-91-01A C 1 0 (M) May be inoperative provided that:

1) All SECs, PRIM 2, and PRIM 3
are operative, and
2) All rudder actuators are
operative, and
3) Both stabilizer electrical motors
are operative, and
4) Both electrical actuators of the
elevators are checked
operative.

27-91-02 PRIM 1 Wing Bus

27-91-02A C 2 0 (M) One or both may be inoperative

provided that:
1) All SECs, PRIM 2, and PRIM 3
are operative, and
2) All aileron actuators are
operative, and
3) All spoilers are operative, and
4) Both electrical actuators of the
inner ailerons are checked
operative before the first MEL
dispatch and then every
six days.

27-91-03 SEC 1 Tail Bus

27-91-03A C 1 0 (M) May be inoperative provided that:

1) All PRIMs, SEC 2, and SEC 3
are operative, and
2) All rudder actuators are
operative, and
3) Both stabilizer electrical motors
are operative, and
4) The electrical actuator of the
left elevator is checked
operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-33
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-91 Primary Flight Control

System – Internal Bus
Interface

27-91-04 SEC 1 Wing Bus

27-91-04A C 2 0 One or both may be inoperative

provided that:
1) All PRIMs, SEC 2, and SEC 3
are operative, and
2) All aileron actuators are
operative, and
3) All spoilers are operative.

27-91-05 PRIM 2 Tail Bus

27-91-05A A 1 0 (M) May be inoperative for

10 consecutive calendar-days
provided that:
1) All SECs, PRIM 1, and PRIM 3
are operative, and
2) All rudder actuators are
operative, and
3) Both stabilizer electrical motors
are operative, and
4) Both electrical actuators of the
elevators are checked
operative before the first MEL
dispatch and then every
six days, and
5) The rudder electrical actuator
is checked operative before
the first MEL dispatch and then
every six days.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-34
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-91 Primary Flight Control

System – Internal Bus
Interface

27-91-06 PRIM 2 Wing Bus

27-91-06A C 2 0 (M) One or both may be inoperative

provided that:
1) All SECs, PRIM 1, and PRIM 3
are operative, and
2) All aileron actuators are
operative, and
3) All spoilers are operative, and
4) Both electrical actuators of the
inner ailerons are checked
operative.

27-91-07 SEC 2 Tail Bus

(Aircraft with |
MP L48961/ |
MOD 117819 |
or without |
MP L48524/ |
MOD 115496) |

27-91-07A C 1 0 May be inoperative provided that:

1) All PRIMs, SEC 1, and SEC 3
are operative, and
2) All rudder actuators are
operative, and
3) Both stabilizer electrical motors
are operative.

27-91-08 SEC 2 Wing Bus

27-91-08A C 2 0 (M) One or both may be inoperative

provided that:
1) All PRIMs, SEC 1, and SEC 3
are operative, and
2) All aileron actuators are
operative, and
3) All spoilers are operative, and
4) Both electrical actuators of the
inner ailerons are checked
operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-35
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-91 Primary Flight Control

System – Internal Bus
Interface

27-91-09 PRIM 3 Tail Bus

27-91-09A C 1 0 May be inoperative provided that:

1) All SECs, PRIM 1, and PRIM 2
are operative, and
2) All rudder actuators are
operative, and
3) Both stabilizer electrical motors
are operative.

27-91-10 PRIM 3 Wing Bus

27-91-10A C 2 0 One or both may be inoperative

provided that:
1) All SECs, PRIM 1, and PRIM 2
are operative, and
2) All aileron actuators are
operative, and
3) All spoilers are operative.

27-91-11 SEC 3 Tail Bus

27-91-11A C 1 0 (M) May be inoperative provided that:

1) All PRIMs, SEC 1, and SEC 2
are operative, and
2) All rudder actuators are
operative, and
3) Both stabilizer electrical motors
are operative, and
4) Both electrical actuators of the
elevators are checked
operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-36
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-91 Primary Flight Control

System – Internal Bus
Interface

27-91-12 SEC 3 Wing Bus

27-91-12A C 2 0 One or both may be inoperative

provided that:
1) All PRIMs, SEC 1, and SEC 2
are operative, and
2) All aileron actuators are
operative, and
3) All spoilers are operative.

27-92 Primary Flight Control

System – Control Inputs

27-92-01 Speed Brakes Manual

Control System

27-92-01A Without AUTO EMER A 1 0 May be inoperative for

DES function 3 consecutive calendar-days.
(Aircraft with
MP L41838/
MOD 109178)

27-92-01B With AUTO EMER DES A 1 0 (O) May be inoperative for

function 3 consecutive calendar-days.
(Aircraft with
MP L41838/
MOD 109178)

27-92-02 Ground Spoiler Control

System

27-92-02A C 1 0 (O) May be inoperative provided that:

1) Airplane Flight Manual
performance penalties are
applied, and
2) Approach minimums do not
require its use.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-37
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-92 Primary Flight Control

System – Control Inputs

27-92-03 Sidestick Priority

Redundancy

27-92-03A C 1 0 (O) May be inoperative provided that

the sidestick priority function is
checked operative on both sidesticks.

27-92-04 Sidestick Priority Green

CAPT and F/O light

27-92-04A C 2 0 (O) One or both may be inoperative

provided that the associated callouts
are checked operative.

27-92-05 PRIM Sidestick Sensor

27-92-05A C 3 2 May be inoperative in one PRIM.

27-92-06 Gyrometer

27-92-06A One gyrometer C 6 5 One may be inoperative.

inoperative
(Aircraft without
MP L43234/
MOD 111739)

27-92-06B Two gyrometers A 6 4 Two may be inoperative for

inoperative 10 consecutive calendar-days
(Aircraft without provided that all IRs are operative.
MP L43234/
MOD 111739)

27-92-06C One gyrometer A 6 5 One may be inoperative for

inoperative 10 consecutive calendar-days
(Aircraft with provided that all IRs are operative.
MP L43234/
MOD 111739)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-38
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-92 Primary Flight Control

System – Control Inputs

27-92-07 Turbulence Damping

Function

27-92-07A D 1 0 May be inoperative.

27-93 PRIMary (PRIM) PFCS

Computer

27-93-01 PRIM 1

27-93-01A (Aircraft without C 1 0 (M)(O) May be inoperative provided

MP L43234/ that:
MOD 111739) 1) The PRIM 1 pb-sw is set to
OFF, and
2) All SECs, PRIM 2, and PRIM 3
are checked operative, and
3) Both electrical actuators of the
inner ailerons are checked
operative before the first MEL
dispatch and then every
six days, and
4) All flaps/slats systems, both
landing gear control systems,
and all ADIRS are operative.

27-93-01B (Aircraft with A 1 0 (M)(O) May be inoperative for

MP L43234/ 10 consecutive calendar-days
MOD 111739) provided that:
1) The PRIM 1 pb-sw is set to
OFF, and
2) All SECs, PRIM 2, and PRIM 3
are checked operative, and
3) Both electrical actuators of the
inner ailerons are checked
operative before the first MEL
dispatch and then every
six days, and
4) All flaps/slats systems, both
landing gear control systems,
and all ADIRS are operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-39
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

Computer

27-93-03 PRIM 3

27-93-03A (A350-900 Series C 1 0 (M)(O) May be inoperative provided

without that:
MP L43234/ 1) The PRIM 3 pb-sw is set to
MOD 111739 and OFF, and
A350-1000 Series with 2) All SECs, PRIM 1, and PRIM 2
MP L48111/ are checked operative, and
MOD 113382) 3) All flap/slat systems, both
landing gear control systems,
and all ADIRS are operative.

27-93-03B (A350-1000 Series A 1 0 (M)(O) May be inoperative for

without MP L48111/ three flights provided that:
MOD 113382) 1) The PRIM 3 pb-sw is set to
OFF, and
2) All SECs, PRIM 1, and PRIM 2
are checked operative, and
3) All flap/slat systems, both
landing gear control systems,
and all ADIRS are operative,
and
4) Rudder brake pedal unit is
checked operative.

27-93-03C (A350-900 Series with A 1 0 (M)(O) May be inoperative for

MP L43234/ 10 consecutive calendar-days
MOD 111739) provided that:
1) The PRIM 3 pb-sw is set to
OFF, and
2) All SECs, PRIM 1, and PRIM 2
are checked operative, and
3) All flap/slat systems, both
landing gear control systems,
and all ADIRS are operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-44
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-94 SECondary (SEC) PFCS

Computer

27-94-01 SEC 1

27-94-01A C 1 0 (M)(O) May be inoperative provided

that:
1) The SEC 1 pb-sw is set to
OFF, and
2) All PRIMs, SEC 2, and SEC 3
are checked operative, and
3) All flaps/slats systems, both
landing gear control systems,
and all ADIRs are operative.

27-94-02 SEC 2
(Aircraft with |
MP L48961/ |
MOD 117819 |
or without |
MP L48524/ |
MOD 115496) |

27-94-02A C 1 0 (M)(O) May be inoperative provided

that:
1) The SEC 2 pb-sw is set to
OFF, and
2) All PRIMs, SEC 1, and SEC 3
are checked operative, and
3) All flaps/slats systems, both
landing gear control systems,
and all ADIRs are operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-45
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-94 SECondary (SEC) PFCS

Computer

27-94-03 SEC 3

27-94-03A C 1 0 (M)(O) May be inoperative provided

that:
1) The SEC 3 pb-sw is set to
OFF, and
2) All PRIMs, SEC 1, and SEC 2
are checked operative, and
3) Both electrical actuators of the
elevators are checked
operative, and
4) All flaps/slats systems, both
landing gear control systems,
and all ADIRs are operative.

27-96 Flight Control Data

Concentrator (FCDC)
Function

27-96-01 FCDC 2

27-96-01A A 1 0 (M)(O) May be inoperative for

10 consecutive calendar-days
provided that:
1) The monitoring of the stabilizer
by the FWS is checked
operative, and
2) The monitoring of the elevators
by the FWS is checked
operative, and
3) The pitch trim position is
checked on both PFDs.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 27-46
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
27. Flight Controls
Change
Sequence No. Item 1 2 3 4 Bar

27-99 Electrical Backup

27-99-01 Electrical Backup

Function

27-99-01A A 1 0 (M) One may be inoperative for 5

consecutive calendar-days provided
that:
1) It is deactivated, and
2) All PRIMS and SECs are
operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-1
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-01 FUEL Overhead Panel

28-01-01 Wing Tank pb-sw lights

28-01-01-01 Wing L(R) TK MAIN

Pump pb-sw FAULT light

28-01-01-01A C 2 0 One or both may be inoperative.

28-01-01-02 Wing L(R) TK MAIN

Pump pb-sw OFF light

28-01-01-02A C 2 0 One or both may be inoperative.

28-01-01-03 Wing L(R) TK STBY

Pump pb-sw FAULT light

28-01-01-03A C 2 0 One or both may be inoperative.

28-01-01-04 Wing L(R) TK STBY

Pump pb-sw OFF light

28-01-01-04A C 2 0 One or both may be inoperative.

28-01-01-05 Wing L(R) TK XFR

pb-sw FAULT light

28-01-01-05A C 2 0 One or both may be inoperative.

28-01-01-06 Wing L(R) TK XFR

pb-sw ON light

28-01-01-06A C 2 0 One or both may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-2
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-01 FUEL Overhead Panel

28-01-02 Center Tank pb-sw lights

28-01-02-01 CTR TK L(R) Pump

pb-sw FAULT light

28-01-02-01A C 2 0 One or both may be inoperative.

28-01-02-02 CTR TK L(R) Pump

pb-sw OFF light

28-01-02-02A C 2 0 One or both may be inoperative.

28-01-02-03 CTR TK FEED pb-sw

FAULT light

28-01-02-03A C 1 0 May be inoperative.

28-01-02-04 CTR TK FEED pb-sw

MAN light

28-01-02-04A C 1 0 (O) May be inoperative.

28-01-03 CROSSFEED
pb-sw lights

28-01-03-01 CROSSFEED A(B)

pb-sw OPEN light

28-01-03-01A C 2 0 One or both may be inoperative.

28-01-03-02 CROSSFEED A(B)

pb-sw ON light

28-01-03-02A C 2 0 One or both may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-3
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-01 FUEL Overhead Panel

28-01-04 JETTISON pb-sw lights

28-01-04-01 JETTISON ARM pb-sw

*** ON light

28-01-04-01A C 1 0 May be inoperative.

28-01-04-02 JETTISON ACTIVE

*** pb-sw OPEN light

28-01-04-02A C 1 0 May be inoperative.

28-01-04-03 JETTISON ACTIVE

*** pb-sw ON light

28-01-04-03A C 1 0 May be inoperative.

28-02 FUEL Maintenance

Overhead Panel

28-02-01 REFUEL pb-sw

*** END light

28-02-01A D 1 0 May be inoperative.

28-02-02 REFUEL pb-sw ON light

***

28-02-02A D 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-4
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-07 Indications on SD pages

28-07-01 Indications on
CRUISE page

28-07-01-01 Engine Fuel Used

Indication on the
CRUISE page

28-07-01-01A Refer to Item 77-07-01-02, Engine

Fuel Used Indication on the CRUISE
page.

28-07-02 Fuel Quantity Indications

on the FUEL SD page

28-07-02-01 Engine Fuel Used

Indication on the FUEL
SD page

28-07-02-01A Refer to Item 77-07-03-02, Engine

Fuel Used Indication on the FUEL SD
page.

28-07-02-02 Fuel Quantity Indication

(FQI) in Degraded Mode
on the FUEL SD page

28-07-02-02A C 3 0 (O) One or more FQI may be in

degraded mode (last two green digits
with amber dashes) provided that the
loss of accuracy is taken into account
for the fuel planning.

28-07-02-03 Fuel Used All Engine

Indication on the FUEL
SD page

28-07-02-03A Refer to Item 77-07-03-03, Fuel Used

All Engines Indication on the FUEL SD
page.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-5
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-07 Indications on SD pages

28-07-03 Fuel Temperature

Indications on the FUEL
SD page

28-07-03-01 Wing Tank Main Cell

Temperature Monitoring
on the FUEL SD page

28-07-03-01A C 2 1 One may be inoperative provided that

the wing tank temperature monitoring
is operative on the opposite wing tank.

28-07-03-02 Wing Tank Temperature

Monitoring on the FUEL
SD page

28-07-03-02A C 2 1 One may be inoperative provided that

the fuel in each wing is more than
19,841 lbs (9,000 kg) before takeoff.

28-09 Dispatch Messages

28-09-01 FUEL TK DATA

REDUNDANCY
Message

28-09-01A C – – May be displayed on the DISPATCH

page.

28-12 Tank Venting System

28-12-01 Overpressure Protector

in the Wing Surge Tank

28-12-01A C 2 0 One or both may be broken or

missing.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-6
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-21 Engine Feed Pump

System

28-21-01 Center Tank Pump

28-21-01A One center tank pump C 2 1 (M)(O) One may be inoperative

inoperative provided that:
1) The affected center tank pump
is deactivated, and
2) The associated CTR TK L(R)
pb-sw is set to OFF, and
3) Both wing tank pumps are
operative on the affected side.

28-21-01B Both center tank pumps C 2 0 (M)(O) Both may be inoperative

inoperative provided that:
1) The CTR TK L pb-sw and
CTR TK R pb-sw are set to
OFF, and
2) All wing tank pumps are
operative, and
3) Both crossfeed valves are
checked operative, and
4) Both center tank pumps are
deactivated, and
5) Both center tank inlet valves
are deactivated in the closed
position, and
6) The fuel quantity in the center
tank is not usable and part of
the ZFW.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-7
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-21 Engine Feed Pump

System

28-21-02 Wing Tank Main Pump

28-21-02A C 2 1 (M)(O) One may be inoperative

provided that:
1) The affected wing tank main
pump is deactivated, and
2) The air in the engine feed line
is flushed, and
3) The associated L(R) TK MAIN
pb-sw is set to OFF, and
4) Both wing tank standby pumps
are operative, and
5) The fuel transfer from wing
tank to center tank is checked
operative on the affected side,
and
6) The fuel in each wing is more
than 22,046 lbs (10,000 kg)
before takeoff, and
7) On the affected wing, the AC
main generation 1A(2A) has no
message displayed on the
DISPATCH page.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-8
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-21 Engine Feed Pump

System

28-21-03 Wing Tank Standby

Pump

28-21-03A C 2 1 (M)(O) One may be inoperative

provided that:
1) The affected wing tank standby
pump is deactivated, and
2) The air in the engine feed line
is flushed, and
3) The associated L(R) TK STBY
pb-sw is set to OFF, and
4) The fuel transfer from wing
tank to center tank is checked
operative on the affected side,
and
5) The fuel in each wing is more
than 22,046 lbs (10,000 kg)
before takeoff, and
6) On the opposite wing, the AC
main generation 2B(1B) has no
message displayed on the
DISPATCH page.

28-21-04 Fuel Scavenge Valve

28-21-04A C 2 0 (M) One or both may be inoperative

provided that the affected fuel
scavenge valve is deactivated in the
closed position.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-9
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-22 APU Fuel System

28-22-01 APU Fuel Pump

28-22-01A C 1 0 (M)(O) May be inoperative provided

that the APU fuel pump is deactivated.

28-22-02 APU Feed

Isolation Valve

28-22-02A C 1 0 (M) May be inoperative provided that:

1) The APU feed isolation valve is
deactivated in the closed
position, and
2) The APU is considered
inoperative.

Refer to Item 49-10-01, APU

Powerplant.

28-22-03 APU Feed LP Valve

28-22-03A C 1 0 (M) May be inoperative provided that:

1) The APU feed LP valve is
deactivated in the closed
position, and
2) The APU is considered
inoperative.

Refer to Item 49-10-01, APU

Powerplant.

28-22-04 APU Fuel Line Damage

Detection

28-22-04A C 1 0 (M) May be inoperative provided that:

1) The APU feed isolation valve is
deactivated in the closed
position, and
2) The APU is considered
inoperative.

Refer to Item 49-10-01, APU

Powerplant.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-10
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-23 Crossfeed System

28-23-01 Crossfeed Valve

28-23-01A C 2 1 (M)(O) One may be inoperative

provided that:
1) The affected crossfeed valve is
deactivated in the closed
position, and
2) The remaining crossfeed valve
is checked operative.

28-25 Refuel/Defuel System

28-25-01 Fuel Controls and

Indicators on the
external Refuel Panel

28-25-01A C 20 0 One or more may be inoperative

provided that refuel and defuel
procedures do not require their use.

28-25-02 Cockpit Refuel Control

***

28-25-02A D 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-11
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-25 Refuel/Defuel System

28-25-03 Center Tank Inlet Valve

28-25-03A One center tank inlet C 2 1 (M)(O) One may be inoperative

valve inoperative provided that:
1) The affected center tank inlet
valve is deactivated in the
closed position, and
2) Both crossfeed valves are
checked operative, and
3) Each refuel is performed
manually.

NOTE: The associated L(R) TK XFR

pb-sw should be placarded.

28-25-03B Both center tank inlet C 2 0 (M)(O) Both may be inoperative

valves inoperative provided that:
1) Both center tank inlet valves
are deactivated in the closed
position, and
2) Both crossfeed valves are
checked operative, and
3) Both wing tank standby pumps
are checked operative, and
4) Each refuel is performed
manually.

NOTE: The L TK XFR pb-sw, the R

TK XFR pb-sw, and the
External Refuel Panel should
be placarded.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-12
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-25 Refuel/Defuel System

28-25-04 Wing Tank Inlet Valve

28-25-04A One wing tank inlet valve C 2 1 (M)(O) One may be inoperative
inoperative provided that:
1) The affected wing tank inlet
valve is deactivated in the
closed position, and
2) Both crossfeed valves are
checked operative, and
3) Each refuel is performed
manually.

NOTE: The associated L(R) TK XFR

pb-sw should be placarded.

28-25-04B Both wing tank inlet C 2 0 (M)(O) Both may be inoperative

valves inoperative provided that:
1) Both wing tank inlet valves are
deactivated in the closed
position, and
2) Both crossfeed valves are
checked operative, and
3) Both wing tank standby pumps
are checked operative, and
4) Each refuel is performed
manually.

NOTE: The L TK XFR pb-sw, the

R TK XFR pb-sw, and the
External Refuel Panel should
be placarded.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-13
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-25 Refuel/Defuel System

28-25-05 Refuel Isolation Valve

28-25-05A One refuel isolation C 2 1 (M) One may be inoperative provided

*** valve inoperative that the associated coupling caps are
installed after each refuel/defuel.

NOTE 1: When a refuel isolation valve

is failed in the closed
position, the automatic refuel
is only available on the
opposite side.

NOTE 2: Application of the (M)

procedure is only necessary
for manual refuel/defuel:
- When the affected refuel
coupling is used for
refuel/defuel, or
- When an isolation valve
is failed in the open
position.

28-25-05B All refuel isolation valves C – 0 (M) All may be inoperative provided
*** inoperative that:
1) Each refuel/defuel is
performed manually, and
2) The associated coupling caps
are installed after each
refuel/defuel.

NOTE: Application of the (M)

procedure is only necessary
for refuel/defuel.

28-25-06 Defuel Valve

28-25-06A C 1 0 (M)(O) May be inoperative provided

that the defuel valve is deactivated in
the closed position.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-14
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-25 Refuel/Defuel System

28-25-07 Refuel Coupling |

Check-Valve |

28-25-07A (Aircraft without C 2 1 (M) One may be inoperative provided |

28-25-07B (Aircraft with C 4 2 (M) One or both coupling check-valves |

28-31 Jettison System

28-31-01 Center Tank Jettison

*** Valve

28-31-01A D 2 0 (M) One or both may be inoperative

provided that the affected valve is
deactivated in the closed position.

NOTE: The jettison function is

available only when the center
tank is empty.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-15
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-31 Jettison System

28-31-02 Defuel Jettison Valve

***

28-31-02A One defuel jettison valve D 2 1 (M) One may be inoperative provided
inoperative that the affected valve is deactivated
in the closed position.

NOTE 1: The jettison function from the

center tank is available.

NOTE 2: The jettison function from the

wing tanks is no longer
available.

28-31-02B Both defuel jettison C 2 0 (M)(O) Both may be inoperative

valves inoperative provided that both defuel jettison
valves are deactivated in the closed
position.

NOTE 1: The jettison function from the

center tank is available.

NOTE 2: The jettison function from the

wing tanks is no longer
available.

28-31-03 Jettison Valve

***

28-31-03A One jettison valve D 2 1 (M)(O) One may be inoperative

inoperative provided that the affected valve is
secured in the closed position.

28-31-03B Both jettison valves D 2 0 (M) Both may be inoperative provided

inoperative that both valves are secured in the
closed position.

NOTE: The jettison function is no

longer available.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-16
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-42 Quantity Indicating

28-42-01 FQI Integrity Detection

28-42-01A C 1 0 (M)(O) May be inoperative provided

that:
1) All fuel used indications are
operative on the FUEL SD
page, and
2) The FQIs are checked
operative, and
3) The wing tanks and center
tank low level detection are
checked operative, and
4) The surge tanks overflow
detection is checked operative,
and
5) The FOB is checked with
Ground Fuel Level Indicator
(GFLI) on external refuel panel
after each refuel/defuel, and
6) The loss of FOB accuracy is
taken into account for the fuel
planning.

NOTE: Application of the (M)

procedure is necessary only
when refuel/defuel is needed.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-17
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-46 Tank Level Sensing

28-46-01 Center Tank Low Level

Detection

28-46-01A C 1 0 (M)(O) May be inoperative provided

that:
1) All fuel used indications are
operative on the FUEL SD
page, and
2) The FQIs are checked
operative, and
3) The wing tanks low level
detection and FQI integrity
detection are checked
operative, and
4) The surge tanks overflow
detection is checked operative,
and
5) The FOB is checked with
Ground Fuel Level Indicator
(GFLI) on external refuel panel
after each refuel/defuel, and
6) The loss of FOB accuracy is
taken into account for the fuel
planning.

NOTE: Application of the (M)

procedure is necessary only
when refuel/defuel is needed.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-18
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-46 Tank Level Sensing

28-46-02 Wing Tank Low Level

Detection

28-46-02A Without fuel jettison C 2 1 (O) One may be inoperative provided

function that:
1) All fuel used indications are
operative on the FUEL SD
page, and
2) The FQIs are checked
operative, and
3) The FQI integrity detection is
checked operative, and
4) The center tank low level
detection is checked operative,
and
5) The surge tanks overflow
detection is checked operative.

28-46-02B With fuel jettison function C 2 1 (O) One may be inoperative provided
that:
1) All fuel used indications are
operative on the FUEL SD
page, and
2) The FQIs are checked
operative, and
3) The FQI integrity detection is
checked operative, and
4) The center tank low level
detection is checked operative,
and
5) The surge tanks overflow
detection is checked operative.

NOTE: The jettison function is no

longer available.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-19
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-46 Tank Level Sensing

28-46-03 Surge Tank Overflow

Detection

28-46-03A C 2 0 (M)(O) One or both may be

inoperative provided that:
1) All fuel used indications are
operative on the FUEL SD
page, and
2) The fuel quantity indications
are checked operative, and
3) The FQI integrity detection is
checked operative, and
4) The wing tanks and center
tank low level detection are
checked operative, and
5) Each refuel is performed
manually.

NOTE: Application of the (M)

procedure is necessary only
when refuel/defuel is needed.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-20
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-46 Tank Level Sensing

28-46-04 Wing Tank TWDC Point

Level Sensor Processor

28-46-04A Without fuel jettison C 2 0 (M)(O) One or both may be

function inoperative provided that:
1) All fuel used indications are
operative on the FUEL SD
page, and
2) The fuel quantity indications
are checked operative, and
3) The center tank low level
detection is checked operative,
and
4) The FOB is checked with
Ground Fuel Level Indicator
(GFLI) on external refuel panel
after each refuel/defuel, and
5) Each refuel is performed
manually, and
6) The loss of FOB accuracy is
taken into account for the fuel
planning.

NOTE: Application of the (M)

procedure is necessary only
when refuel/defuel is needed.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-21
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-46 Tank Level Sensing

28-46-04 Wing Tank TWDC Point

Level Sensor Processor
(Cont’d)

28-46-04B With fuel jettison function C 2 0 (M)(O) One or both may be

inoperative provided that:
1) All fuel used indications are
operative on the FUEL SD
page, and
2) The fuel quantity indications
are checked operative, and
3) The center tank low level
detection is checked operative,
and
4) The FOB is checked with
Ground Fuel Level Indicator
(GFLI) on external refuel panel
after each refuel/defuel, and
5) Each refuel is performed
manually, and
6) The loss of FOB accuracy is
taken into account for the fuel
planning.

NOTE 1: Application of the (M)

procedure is necessary only
when refuel/defuel is
needed.

NOTE 2: The jettison function is no

longer available.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-22
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-49 Fuel Properties

Measurement

28-49-01 Fuel Properties

Measurement

28-49-01A C 1 0 May be inoperative.

28-51 Fuel Quantity and

Management System

28-51-01 Fuel Quantity and

Management System

28-51-01A C 2 1 (O) One may be inoperative.

28-51-02 Auto Feed Function

28-51-02A Auto feed function with C 1 0 (O) May be inoperative provided that:
center tank fuel used 1) The manual control of the
center tank pumps is checked
operative, and
2) Both center tank pumps are
checked operative, and
3) Both center tank pumps are
manually controlled during the
flight.

28-51-02B Auto feed function with C 1 0 (O) May be inoperative provided that:
center tank fuel not used 1) Both center tank pumps are
set to off, and
2) The fuel quantity in the center
tank is not usable and part of
ZFW.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 28-23
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
28. Fuel
Change
Sequence No. Item 1 2 3 4 Bar

28-51 Fuel Quantity and

Management System

28-51-03 Redundancy on FQMS

Monitoring
(Aircraft with
MP L06001/
MOD 114191 and
MP L48116/
MOD 113556)

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 29-1
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
29. Hydraulic Power
Change
Sequence No. Item 1 2 3 4 Bar

29-01 HYD Overhead Panel

29-01-01 GREEN(YELLOW) ENG

1(2) PUMP pb-sw
FAULT light

29-01-01A C 4 0 One or more may be inoperative.

29-01-02 GREEN(YELLOW) ENG

1(2) PUMP pb-sw
OFF light

29-01-02A C 4 0 One or more may be inoperative.

29-01-03 GREEN(YELLOW) ENG

1(2) SUPPLY pb
OVHT light

29-01-03A C 4 0 One or more may be inoperative.

29-01-04 GREEN(YELLOW) ENG

1(2) SUPPLY pb
ISOL light

29-01-04A C 4 0 One or more may be inoperative.

29-02 HYD Overhead Panel

29-02-01 GREEN(YELLOW)
ELEC PMP pb-sw
FAULT light

29-02-01A C 2 0 One or both may be inoperative.

29-02-02 GREEN(YELLOW)
ELEC PMP pb-sw
OFF light

29-02-02A C 2 0 One or both may be inoperative.

29-02-03 GREEN(YELLOW)
ELEC PMP pb ON light

29-02-03A C 2 0 One or both may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 29-2
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
29. Hydraulic Power
Change
Sequence No. Item 1 2 3 4 Bar

29-07 Indications on the HYD

SD pages

29-07-01 Fire Shutoff Valve

Indication on the HYD
SD page

29-07-01A C 4 0 (M) One or more may be inoperative

provided that the associated fire
shutoff valve is checked in the open
position.

29-07-02 Electric Motor Pump

Indication on the HYD
SD page

29-07-02A C 2 0 One or both may be inoperative.

29-09 Dispatch Messages

29-09-01 HYD G(Y) RETURN

FILTER Message

29-09-01A C ‒ ‒ One may be displayed on the

DISPATCH page.

29-09-02 HYD FILTER CLOGGED |

Message |
(Aircraft with |
MP L48528/ |
MOD 115480) |

29-09-02A C – – May be displayed on the DISPATCH |

page. |
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 29-3
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
29. Hydraulic Power
Change
Sequence No. Item 1 2 3 4 Bar

29-09 Dispatch Messages

29-09-03 HYD G(Y) ENG 1(2) |

29-09-03A A – – One may be displayed on the |

DISPATCH page for |
10 consecutive calendar-days |
provided that the affected EDP is |
considered inoperative. |

Refer to Item 29-10-01, Green Engine |

Driven Pump, or Item 29-10-02, |
Yellow Engine Driven Pump. |

29-10 Main Hydraulic Power

29-10-01 Green Engine Driven

Pump

29-10-01A (Aircraft without A 2 1 (M)(O) One may be inoperative for |

MP L44318/ 10 consecutive calendar-days |
MOD 114913) provided that: |
1) The affected green EDP is
deactivated, and
2) Both yellow EDPs are
operative, and
3) Both VFGs on the associated
engine are operative, and
4) The rudder EHA is checked
operative, and
5) The left elevator EHA is
checked operative, and
6) The takeoff is performed in
CONF 1+F, and
7) Airplane Flight Manual
performance penalties are
applied.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 29-4
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
29. Hydraulic Power
Change
Sequence No. Item 1 2 3 4 Bar

29-10 Main Hydraulic Power

29-10-01 Green Engine Driven

Pump
(Cont’d)

29-10-01B (Aircraft with A 2 1 (M)(O) One may be inoperative for |

29-10 Main Hydraulic Power

29-10-02 Yellow Engine Driven

Pump

29-10-02A A 2 1 (M)(O) One may be inoperative for

10 consecutive calendar-days
provided that:
1) The affected yellow EDP is
deactivated, and
2) Both green EDPs are
operative, and
3) Both VFGs on the associated
engine are operative, and
4) The rudder EHA is checked
operative, and
5) The right elevator EHA is
checked operative, and
6) The inboard ailerons EHAs are
checked operative before each
flight, and
7) Airplane Flight Manual
performance penalties are
applied.

29-10-03 Reservoir Air Bleed

Valve

29-10-03A Inoperative in the closed C 2 0 (M) One or both may be inoperative

position provided that the associated reservoir
is:
1) Inoperative in the closed
position, and
2) Manually bled before first MEL
dispatch, and
3) Manually bled again no later
than every 35 flights.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 29-6
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
29. Hydraulic Power
Change
Sequence No. Item 1 2 3 4 Bar

29-10 Main Hydraulic Power

29-10-03 Reservoir Air Bleed

Valve
(Cont’d)

29-10-03B Inoperative in the open C 2 0 (M) One or both may be inoperative in

position the open position provided that:
1) The automatic reservoir air
bleed system is deactivated,
and
2) The associated hydraulic
reservoir quantity is checked
before first MEL dispatch.

29-10-04 Green(Yellow) System

Accumulator

29-10-04A C 2 0 (O) One or both may be inoperative

provided that:
1) The associated Electric Motor
Pump is operative, and
2) The associated reservoir
pressure transducer is
operative, and
3) The associated reservoir is
pressurized before each
engine start.

29-10-05 Green(Yellow) ENG 1(2)

Pump Disconnection
Switch

29-10-05A C 4 0 (M)(O) One on each circuit may be

inoperative provided that the
depressurization function of the
associated Engine Driven Pump is
checked operative before each flight.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 29-7
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
29. Hydraulic Power
Change
Sequence No. Item 1 2 3 4 Bar

29-20 Auxiliary Hydraulic

Power

29-20-01 Green Electric Motor

Pump

29-20-01A C 1 0 (M)(O) May be inoperative provided

that:
1) The green electric motor pump
is deactivated, and
2) The yellow electric motor pump
is operative, and
3) All yellow wheel brakes are
operative, and
4) The yellow parking brake
selector valve is operative.

29-20-02 Yellow Electric Motor

Pump

29-20-02A C 1 0 (M)(O) May be inoperative provided

that:
1) The yellow electric motor pump
is deactivated, and
2) The green electric motor pump
is operative, and
3) All green wheel brakes are
operative, and
4) The green parking brake
selector valve is operative.

NOTE: The AFT and FWD cargo

doors must be operated
manually.

29-20-03 Hydraulic Auxiliary Pump

29-20-03A D 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 29-8
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
29. Hydraulic Power
Change
Sequence No. Item 1 2 3 4 Bar

29-33 Hydraulic System

Monitoring

29-33-01 Green System

Temperature Monitoring
Redundancy
(Aircraft with
MP L44215/
MOD 114075)

29-33-01A A 1 0 May be inoperative for

10 consecutive calendar-days.

29-33-02 Yellow System

Temperature Monitoring
Redundancy
(Aircraft with
MP L44215/
MOD 114075)

29-33-02A A 1 0 May be inoperative for

10 consecutive calendar-days.

29-33-03 Green System Pressure

Monitoring Redundancy

29-33-03A C 1 0 May be inoperative.

29-33-04 Yellow System Pressure

Monitoring Redundancy

29-33-04A C 1 0 May be inoperative.

29-33-05 Green(Yellow) Reservoir

Level Monitoring
Redundancy

29-33-05A C 2 0 (M)(O) One or both may be

inoperative provided that the
associated hydraulic reservoir quantity
is checked before each flight.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 29-9
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
29. Hydraulic Power
Change
Sequence No. Item 1 2 3 4 Bar

29-33 Hydraulic System

Monitoring

29-33-06 Green(Yellow) Reservoir

Level Monitoring

29-33-06A C 2 0 (M)(O) One or both may be

inoperative provided that:
1) The hydraulic reservoir
quantity is checked before
each flight, and
2) The affected reservoir linear
variable differential transducer
is deactivated.

29-33-07 Yellow Hydraulic

Monitoring Control
(Aircraft with
MP L44215/
MOD 114075)

29-33-07A A 2 1 Yellow Hydraulic Monitoring Control 2

may be inoperative for
10 consecutive calendar-days
provided that the associated yellow
Engine Driven Pump (EDP) on
engine 2 is considered inoperative.

Refer to Item 29-10-02, Yellow Engine

Driven Pump.

NOTE: The AFT and FWD cargo

doors must be operated
manually.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 29-10
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
29. Hydraulic Power
Change
Sequence No. Item 1 2 3 4 Bar

29-33 Hydraulic System

Monitoring

29-33-08 Green Hydraulic

Monitoring Control
(Aircraft with
MP L44215/
MOD 114075)

29-33-08A A 2 1 One may be inoperative for

10 consecutive calendar-days
provided that the associated Engine
Driven Pump (EDP) is considered
inoperative.

Refer to Item 29-10-01, Green Engine

Driven Pump.

29-33-09 Green(Yellow) Reservoir

Pressure Transducer

29-33-09A C 2 0 (M)(O) May be inoperative provided

that:
1) The associated Electric Motor
Pump is operative, and
2) The affected pressure
transducer is deactivated, and
3) The associated reservoir is
pressurized before engine
start.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 30-1
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
30. Ice and Rain Protection
Change
Sequence No. Item 1 2 3 4 Bar

30-01 ANTI ICE Overhead

Panel

30-01-01 ENG 1(2) ANTI ICE pb

FAULT light

30-01-01A C 2 0 One or both may be inoperative.

30-01-02 ENG 1(2) ANTI ICE pb

ON light

30-01-02A C 2 0 One or both may be inoperative.

30-01-03 WING ANTI ICE pb

FAULT light

30-01-03A C 1 0 May be inoperative.

30-01-04 WING ANTI ICE pb

ON light

30-01-04A C 1 0 May be inoperative.

30-01-05 PROBE & WINDOW

HEAT pb-sw ON light

30-01-05A C 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 30-2
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
30. Ice and Rain Protection
Change
Sequence No. Item 1 2 3 4 Bar

30-02 WIPER Overhead Panel

30-02-01 Wiper High Speed

Function (FAST Position)

30-02-01A C 2 0 One or both may be inoperative

provided that the associated slow
speed function is operative.

30-02-02 Wiper Low Speed

Function
(SLOW Position)

30-02-02A C 2 0 One or both may be inoperative.

30-02-03 Wiper Intermittent Speed

Function
(INTMT Positions)

30-02-03A D 6 0 One or more may be inoperative.

30-07 Indication on the

DOOR/OXYGEN
SD page

30-07-01 Rain Repellent

Monitoring on the
DOOR/OXYGEN
SD page

30-07-01A D 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 30-3
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
30. Ice and Rain Protection
Change
Sequence No. Item 1 2 3 4 Bar

30-11 Wing Ice Protection

30-11-01 Wing Anti-Ice Valve

30-11-01A C 2 0 (M) One or both may be inoperative

provided that:
1) The affected wing anti-ice
valve is deactivated in the
closed position, and
2) The associated A-ICE L(R)
WING VLV OPEN alert is not
displayed after the deactivation
of the affected valve, and
3) The aircraft is not operated in
known or forecast icing
conditions along the intended
flight route, and
4) ETOPS beyond 120 minutes is
not conducted.

30-11-02 Wing Anti-Ice System

30-11-02A C 1 0 May be inoperative provided that the

aircraft is not operated in known or
forecast icing conditions along the
intended flight route.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 30-4
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
30. Ice and Rain Protection
Change
Sequence No. Item 1 2 3 4 Bar

30-11 Wing Ice Protection

30-11-03 Wing Anti-Ice

Temperature Monitoring

30-11-03A C 2 1 (O) One may be inoperative provided

that:
1) The opposite engine bleed air
system is operative, and
2) The opposite air conditioning
pack is operative, and
3) The associated engine bleed
air system is not used on
ground except for engine start,
and
4) The XBLEED pb-sw and the
associated ENG 1(2) BLEED
pb-sw are placarded to prohibit
their use on ground except for
engine start, and
5) When the side 1 is affected,
the APU BLEED pb-sw is
placarded to prohibit its use on
ground except for engine start.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 30-5
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
30. Ice and Rain Protection
Change
Sequence No. Item 1 2 3 4 Bar

30-11 Wing Ice Protection

30-11-04 Wing Anti-Ice Valve Seal

30-11-04A C 2 1 (O) One may be inoperative provided

that:
1) The opposite engine bleed air
system is operative, and
2) The opposite air conditioning
pack is operative, and
3) The A-ICE L(R) WING VLV
OPEN alert is not displayed on
the WD before takeoff, and
4) The associated engine bleed
air system is not used on
ground except for engine start,
and
5) The XBLEED pb-sw and the
associated ENG 1(2) BLEED
pb-sw are placarded to prohibit
their use on ground except for
engine start, and
6) When the side 1 is affected,
the APU BLEED pb-sw is
placarded to prohibit its use on
ground except for engine start.

30-11-05 Wing Anti-Ice Valve

Control Redundancy

30-11-05A C 2 0 One on each wing may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 30-6
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
30. Ice and Rain Protection
Change
Sequence No. Item 1 2 3 4 Bar

30-21 Engine Air Intake Ice

Protection

30-21-01 Engine Anti-Ice System

30-21-01A C 2 1 (M) One may be inoperative provided

that:
1) ETOPS is not conducted, and
2) The aircraft is not operated in
known or forecast icing
conditions, and
3) The PRSOV of the affected
engine anti-ice system is
deactivated in the closed
position, and
4) The A-ICE ENG1(2) PRSOV
SECURED CLOSED message
is displayed on the DISPATCH
page after the deactivation.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 30-7
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
30. Ice and Rain Protection
Change
Sequence No. Item 1 2 3 4 Bar

30-21 Engine Air Intake Ice

Protection

30-21-02 Engine Anti-Ice PRSOV

Shutoff Function

30-21-02A PRSOV deactivated in C 2 0 (M)(O) One or both may be

the open position inoperative provided that:
1) The PRV regulation function is
operative, and
2) The affected PRSOV is
deactivated in the open
position, and
3) The A-ICE ENG 1(2) PRSOV
SECURED OPEN message is
displayed on the DISPATCH
page after the deactivation,
and
4) Airplane Flight Manual
performance penalties are
applied.

30-21-02B PRSOV deactivated in C 2 1 (M) One may be inoperative provided

the closed position that:
1) ETOPS is not conducted,
2) The affected PRSOV is
deactivated in the closed
position, and
3) The A-ICE ENG 1(2) PRSOV
SECURED CLOSED message
is displayed on the DISPATCH
page after the deactivation,
and
4) The aircraft is not operated in
known or forecast icing
conditions.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 30-8
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
30. Ice and Rain Protection
Change
Sequence No. Item 1 2 3 4 Bar

30-21 Engine Air Intake Ice

Protection

30-21-03 Engine Anti-Ice PRSOV

Regulation Function

30-21-03A C 2 0 One or both may be inoperative.

30-21-04 Engine Anti-Ice PRV

Regulation Function

30-21-04A One or both PRVs C 2 0 One or both may be inoperative

inoperative and PRSOV provided that the associated PRSOV
regulation operative regulation function is operative.

30-21-04B One or both PRVs C 2 0 (M) One or both may be inoperative

deactivated open and provided that:
PRSOV regulation 1) The associated PRSOV
operative regulation function is operative,
and
2) The affected PRV is
deactivated in the open
position, and
3) The A-ICE ENG 1(2) PRV
SECURED OPEN message is
displayed on the DISPATCH
page after the deactivation.

30-21-04C One PRV inoperative C 2 1 (M) One may be inoperative provided

and PRSOV deactivated that:
in the closed position 1) ETOPS is not conducted, and
2) The aircraft is not operated in
known or forecast icing
conditions, and
3) The PRSOV on the associated
engine anti-ice system is
deactivated in the closed
position, and
4) The A-ICE ENG 1(2) PRSOV
SECURED CLOSED message
is displayed on the DISPATCH
page after the deactivation.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 30-9
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
30. Ice and Rain Protection
Change
Sequence No. Item 1 2 3 4 Bar

30-21 Engine Air Intake Ice

Protection

30-21-05 Engine Anti-Ice System

Monitoring

30-21-05A C 2 1 (O) One may be inoperative provided

that:
1) ETOPS is not conducted, and
2) The aircraft is not operated in
known or forecast icing
conditions.

30-21-06 Engine Anti-Ice System

Pressure Monitoring

30-21-06A C 2 1 One may be inoperative.

30-21-07 Engine Anti-Ice System

Command

30-21-07A C 2 0 (O) One or both may be inoperative

provided that Airplane Flight Manual
performance penalties are applied.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 30-10
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
30. Ice and Rain Protection
Change
Sequence No. Item 1 2 3 4 Bar

30-31 Probe Ice Protection

30-31-01 ADR Probes Heating

Function

30-31-01A Automatic ADR probes C 3 2 One ADR probe heating function in

heating function automatic mode may be inoperative
inoperative provided that the PROBE & WINDOW
HEAT pb-sw is set to ON.

30-31-01B Automatic and manual C 3 2 One ADR probe heating function in

ADR probes heating automatic and manual modes may be
function inoperative inoperative provided that the
associated ADR is considered
inoperative.

Refer to Item 34-12-01, ADR.

30-31-02 MFP Heating Function

30-31-02A C 3 2 One may be inoperative provided that

the associated ADR is considered
inoperative.

Refer to Item 34-12-01, ADR.

30-31-03 Sideslip Probe Heating

Function

30-31-03A (Aircraft without C 3 2 One may be inoperative provided that

MP L43234/ the associated ADR is considered
MOD 111739) inoperative.

Refer to Item 34-12-01, ADR.

30-31-03B (Aircraft with C 3 2 One may be inoperative provided that

MP L43234/ both non-affected ADRs are operative.
MOD 111739 and
MP L43238/
MOD 112771)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 30-11
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
30. Ice and Rain Protection
Change
Sequence No. Item 1 2 3 4 Bar

30-31 Probe Ice Protection

30-31-04 Static Probe Heating

Function

30-31-04A C 6 4 One or two may be inoperative on the

same ADR provided that both
non-affected ADRs, their associated
probes, and their associated heating
functions are operative.

30-31-05 Heating of the Standby

Pitot Probe

30-31-05A Aircraft not operated in C 1 0 May be inoperative provided that:

known or forecast icing 1) The aircraft is not operated in
conditions known or forecast icing
conditions along the intended
flight route, and
2) ETOPS beyond 120 minutes is
not conducted.

30-31-05B Standby pitot probe A 1 0 May be inoperative for three flights

considered inoperative provided that the standby pitot probe
is considered inoperative.

Refer to Item 34-23-01, Standby Pitot

Probe.

30-31-06 Heating of the Standby

Static Probe

30-31-06A C 2 0 May be inoperative provided that:

1) The aircraft is not operated in
known or forecast icing
conditions along the intended
flight route, and
2) ETOPS beyond 120 minutes is
not conducted.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 30-12
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
30. Ice and Rain Protection
Change
Sequence No. Item 1 2 3 4 Bar

30-42 Cockpit Windows

Anti-Icing Defogging

30-42-01 Windows Heating

Control

30-42-01A C 2 1 (O) One may be inoperative provided

that:
1) The aircraft is not operated in
known or forecast icing
conditions along the intended
flight route, and
2) ETOPS beyond 120 minutes is
not conducted.

30-42-02 Window Heating

30-42-02A C 4 0 One or more may be inoperative.

30-42-03 Front Windshield

Heating

30-42-03A C 2 1 One may be inoperative provided that:

1) The aircraft is not operated in
known or forecast icing
conditions along the intended
flight route, and
2) ETOPS beyond 120 minutes is
not conducted.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 30-13
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
30. Ice and Rain Protection
Change
Sequence No. Item 1 2 3 4 Bar

30-45 Windshield Rain

Protection

30-45-01 Windshield Wiper

30-45-01A One windshield wiper A 2 1 One may be inoperative on the pilot

inoperative on the monitoring side for three flights.
PM side

30-45-01B One or both windshield C 2 0 (O) One or both may be inoperative

wipers inoperative provided that the aircraft is not
operated in known or forecast
precipitation within intended departure
and arrival areas.

NOTE: The intended arrival and

departure areas include
alternate aerodromes required
to be selected by the
operational rules.

30-45-02 Rain Repellent

30-45-02A D 2 0 One or both may be inoperative.

30-71 Waste Water Ice

Protection

30-71-01 Drain Mast Heating

System

30-71-01A C 2 0 (O) One or both may be inoperative

provided that:
1) The associated lavatories are
placarded inoperative and are
not used, and
2) The associated lavatory water
supplies and associated
galleys’ water supplies are
closed.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 30-14
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
30. Ice and Rain Protection
Change
Sequence No. Item 1 2 3 4 Bar

30-81 Ice Detection

30-81-01 Ice Detection System

30-81-01A C 1 0 (O) May be inoperative.

30-81-03 Lighting of External

Visual Icing Indicator

30-81-03A One indicator inoperative D 2 1 One may be inoperative.

30-81-03B Both indicators D 2 0 (O) Both may be inoperative.

inoperative
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 31-1
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
31. Indicating/Recording Systems
Change
Sequence No. Item 1 2 3 4 Bar

31-01 RCDR Overhead Panel

31-01-01 RCDR GND CTL pb

ON light

31-01-01A C 1 0 May be inoperative.

31-01-31 RCDR GND CTL pb

31-01-31A A 1 0 (O) May be inoperative provided that

repairs are made within 3 flight-days.

31-01-32 DFDR EVENT pb

31-01-32A C 1 0 May be inoperative.

31-02 Overhead Panel and

Main Instrument Panel

31-02-01 AIR & ELEC Overhead

Panel (225VM)

31-02-01A C 1 0 (O) May be inoperative provided that

the GALLEY pb-sw is checked
operative.

31-02-02 FUEL & HYD Overhead

Panel (235VM)

31-02-02A C 1 0 (O) May be inoperative provided that

the HYD G(Y) HYD SYS PANEL
message is not displayed on the
DISPATCH page.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 31-2
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
31. Indicating/Recording Systems
Change
Sequence No. Item 1 2 3 4 Bar

31-02 Overhead Panel and

Main Instrument Panel

31-02-03 LOWER CENTER

Overhead Panel
(215VM)

31-02-03A Lights inoperative C 1 0 (O) May be inoperative provided that

none of the following dispatch
message is displayed on the
DISPATCH page:
- A-ICE ENG 1 NAI COMMAND
- A-ICE ENG 2 NAI COMMAND
- EXT LT CTL DEGRADED
- A-ICE WING SYS
- CAB PRESS MAN CTL.

31-02-03B Lights and commands C 1 0 (O) May be inoperative provided that:

inoperative on side 1 1) None of the following dispatch
(CAN 1 Lost) messages are displayed on the
DISPATCH page:
- A-ICE ENG 2 NAI
COMMAND
- EXT LT CTL DEGRADED
- A-ICE WING SYS
- CAB PRESS MAN CTL
2) The engine 1 anti-ice system
command is considered
inoperative, and
3) The APU is considered
inoperative.

Refer to Item 30-21-07, Engine

Anti-Ice System Command.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 31-3
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
31. Indicating/Recording Systems
Change
Sequence No. Item 1 2 3 4 Bar

31-02 Overhead Panel and

Main Instrument Panel

31-02-03 LOWER CENTER

Overhead Panel
(215VM)
(Cont’d)

31-02-03C Lights and commands C 1 0 (O) May be inoperative provided that:

inoperative of side 2 1) None of the following dispatch
(CAN 2 Lost) messages are displayed on the
DISPATCH page:
- A-ICE ENG 1 NAI
COMMAND
- EXT LT CTL DEGRADED
- A-ICE WING SYS
- CAB PRESS MAN CTL
2) The engine 2 anti-ice system
command is considered
inoperative.

Refer to Item 30-21-07, Engine

Anti-Ice System Command.

31-02-04 LOWER LEFT Overhead

Panel (211VM)

31-02-04A C 1 0 (O) May be inoperative.

31-02-05 LOWER RIGHT

Overhead Panel
(212VM)

31-02-05A A 1 0 (O) May be inoperative for

10 consecutive calendar-days
provided that the IFEC pb-sw is
checked operative.

31-02-06 MAINTENANCE
Overhead Panel
(255VM)

31-02-06A C 1 0 (O) May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 31-4
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
31. Indicating/Recording Systems
Change
Sequence No. Item 1 2 3 4 Bar

31-02 Overhead Panel and

Main Instrument Panel

31-02-07 MID LEFT Overhead

Panel (221VM)

31-02-07A C 1 0 (O) May be inoperative.

31-02-08 MID RIGHT Overhead

Panel (222VM)

31-02-08A C 1 0 (O) May be inoperative.

31-02-09 BRAKE Panel (312VM)

31-02-09A C 1 0 (O) May be inoperative.

31-08 Indications on the

Warning Display (WD)

31-08-01 MEMO messages on the

WD or PFD

31-08-01A C – 0 One or more may be inoperative

provided that the affected MEMO
message is confirmed to be false or
missing by troubleshooting.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 31-5
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
31. Indicating/Recording Systems
Change
Sequence No. Item 1 2 3 4 Bar

31-19 ECAM Control Panel

31-19-01 ECAM Control Panel 2

31-19-01A C 1 0 May be inoperative.

31-19-02 System Page Manual

Call pb on the ECP

31-19-02A C 12 0 (O) One or more may be inoperative.

31-19-03 VIDEO pb on the ECP

***

31-19-03A D 1 0 (O) May be inoperative.

31-19-04 Video dual knob on

*** the ECP

31-19-04A D 1 0 May be inoperative.

31-19-05 CLEAR pb on the ECP

31-19-05A C 2 1 One may be inoperative.

31-19-06 RCL LAST pb on

the ECP

31-19-06A C 1 0 May be inoperative.

31-19-07 STS pb on the ECP

31-19-07A A 1 0 (O) May be inoperative for

three flights.

31-19-08 MORE pb on the ECP

31-19-08A C 1 0 May be inoperative.

31-19-09 VALID pb on the ECP

31-19-09A C 2 1 One may be inoperative provided that

the opposite VALID pb and its
associated scroll wheel are operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 31-6
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
31. Indicating/Recording Systems
Change
Sequence No. Item 1 2 3 4 Bar

31-19 ECAM Control Panel

31-19-10 Scroll Wheel on the ECP

31-19-10A C 2 1 One may be inoperative provided that

the opposite scroll wheel and
associated VALID pb are operative.

31-19-11 T.O. CONFIG pb on

the ECP

31-19-11A C 1 0 (O) May be inoperative.

31-19-12 SD knob on the ECP

31-19-12A C 1 0 (O) May be inoperative.

31-28 Tail Strike Indication

31-28-01 Tail Strike Detection

31-28-01A C 1 0 (O) May be inoperative.

31-30 Recorders

31-30-01 Recorder System

31-30-01A C – – (O) Any non-DFDR function in excess |

of those required by 14 CFR may be
inoperative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 31-7
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
31. Indicating/Recording Systems
Change
Sequence No. Item 1 2 3 4 Bar

31-30 Recorders

31-30-02 Digital Flight Data

Recorder (DFDR)

31-30-02A DFDR failure occurs A 1 0 May be inoperative provided that:

after pushback 1) Cockpit Voice Recorder (CVR)
operates normally, and
2) The aircraft is not dispatched
from an airport designated or
listed in the operator’s MEL
unless the DFDR failure
occurred after pushback but
prior to takeoff, and
3) Repairs are made within
eight flights or
3 consecutive calendar-days,
whichever occurs first.

31-30-02B DFDR repairs attempted A 1 0 May be inoperative provided that:

but not successful 1) Cockpit Voice Recorder (CVR)
operates normally, and
2) The aircraft is not dispatched
from an airport not designated
or listed in the operator’s MEL
unless the DFDR repair was
attempted but not successful,
and
3) The aircraft is dispatched on a
flight or series of flights until
the next designated airport
where repair must be
accomplished prior to dispatch,
and
4) Repairs are made within
eight flights or
3 consecutive calendar-days,
whichever occurs first.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 31-8
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
31. Indicating/Recording Systems
Change
Sequence No. Item 1 2 3 4 Bar

31-30 Recorders

31-30-02 Digital Flight Data

Recorder (DFDR)
(Cont’d)

31-30-02C Required DFDR A – – Up to three recording parameters may

recording parameters be inoperative provided that:
1) Cockpit Voice Recorder (CVR)
operates normally, and
2) Repairs are made within
20 consecutive calendar-days.

31-30-02D Non-required DFDR A – – May be inoperative provided that

recording parameters repairs are made prior to the
completion of the next heavy
maintenance visit.

31-30-03 Recorder Accelerometer

31-30-03A A 1 0 (O) May be inoperative provided that: |

1) Cockpit Voice Recorder (CVR)
is operative, and
2) Repairs are made within
20 consecutive calendar-days.

31-30-04 Virtual Quick Access

*** Recorder (VQAR)

31-30-04A Alternate procedures for C 1 0 (O) May be inoperative provided that

VQAR use are alternate procedures are established
established and used and used.

31-30-04B Procedures do not D 1 0 May be inoperative provided that

require use of the VQAR operations do not require its use.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 31-9
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
31. Indicating/Recording Systems
Change
Sequence No. Item 1 2 3 4 Bar

31-50 Flight Warning System

(FWS)

31-50-01 FWS 2

31-50-01A (Aircraft without C 1 0 (O) May be inoperative.

MP L43494/
MOD 112469)

31-50-01B (Aircraft with C 1 0 (O) May be inoperative provided that

MP L43494/ the pitch trim position is checked on
MOD 112469) both PFDs.

31-50-02 MASTER CAUT Cancel

Function

31-50-02A C 2 1 One may be inoperative.

31-50-03 MASTER WARN Cancel

Function

31-50-03A C 2 1 One may be inoperative.

31-50-04 MASTER CAUT light

31-50-04A C 2 1 One may be inoperative.

31-50-05 MASTER WARN light

31-50-05A C 2 1 One may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 31-10
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
31. Indicating/Recording Systems
Change
Sequence No. Item 1 2 3 4 Bar

31-60 Control and Display

System

31-60-01 OUTER DU

31-60-01A C 2 0 (O) One or both may be inoperative

provided that:
1) Both INNER DUs are
operative, and
2) Both CENTER DUs are
operative, and
3) The affected OUTER DU is set
to OFF, and
4) The DISPLAY CYCLE pb is
checked operative on the
affected side.

31-60-02 CENTER DU

31-60-02A C 2 1 (O) One may be inoperative provided

that:
1) Both OUTER DUs are
operative, and
2) Both INNER DUs are
operative, and
3) The affected CENTER DU is
set to OFF, and
4) The DISPLAY CYCLE pb is
checked operative on both
sides.

31-60-03 INNER DU

31-60-03A C 2 1 (O) One may be inoperative provided

that:
1) Both OUTER DUs are
operative, and
2) Both CENTER DUs are
operative, and
3) The affected INNER DU is set
to OFF, and
4) The DISPLAY CYCLE pb is
checked operative on the
affected side.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 31-11
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
31. Indicating/Recording Systems
Change
Sequence No. Item 1 2 3 4 Bar

31-60 Control and Display

System

31-60-04 DU Monitoring

31-60-04A B – – One may be inoperative provided that

all the DUs are operative.

31-60-05 Mailbox Access

31-60-05A One mailbox inoperative D 2 1 One may be inoperative.

31-60-05B Two mailboxes D 2 0 (O) Both may be inoperative provided

inoperative and that procedures do not require the use
procedures do not of the ATC datalink.
require ATC datalink

31-60-05C Two mailboxes C 2 0 (O) Both may be inoperative provided

inoperative and that alternate procedures are
procedures require ATC established and used.
datalink

31-60-06 CENTER LOWER DU

Access

31-60-06A One CENTER LOWER C 2 1 (O) One may be inoperative.

DU Access inoperative
(Without MP L48350/
MOD 113559)

31-60-06B One or both CENTER C 2 0 (O) One or both may be inoperative

LOWER DU Access provided that:
inoperative with full 1) The CAPT or the F/O OIS
access to the MFD session is transferred to the
(Without MP L48350/ CENTER LOWER DU, and
MOD 113559) 2) The CAPT and the F/O MFD
are transferred to the CAPT
and the F/O OUTER DUs, and
3) The CAPT and the F/O access
to the CAPT and the F/O
OUTER DUs are checked
operative.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 31-12
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350
3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
31. Indicating/Recording Systems
Change
Sequence No. Item 1 2 3 4 Bar

31-60 Control and Display

System

31-60-06 CENTER LOWER DU

Access
(Cont’d)

31-60-06C One CENTER LOWER A 2 1 (O) One may be inoperative for

DU Access inoperative 10 consecutive calendar days
(With MP L48350/ provided that the AVIONICS
MOD 113559) NETWORK SW OR CABLE message
is not displayed on the DISPATCH
page.

31-60-06D One or both CENTER A 2 0 (O) One or both may be inoperative

LOWER DU Access for 10 consecutive days provided that:
inoperative with full 1) The AVIONICS NETWORK
access to the MFD SW OR CABLE message is
(With MP L48350/ not displayed on the
MOD 113559) DISPATCH page, and
2) The CAPT or the F/O OIS
session is transferred to the
CENTER LOWER DU, and
3) The CAPT and the F/O MFD
are transferred to the CAPT
and the F/O OUTER DUs, and
4) The CAPT and the F/O access
to the CAPT and the F/O
OUTER DUs are checked
operative.

31-60-07 DISPLAY CYCLE pb

31-60-07A One DISPLAY CYCLE C 2 1 One may be inoperative.

pb inoperative

31-60-07B Both DISPLAY CYCLE C 2 0 (O) Both may be inoperative provided

pbs inoperative that the MFD shortcut on one KCCU
keyboard is checked operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 31-13
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
31. Indicating/Recording Systems
Change
Sequence No. Item 1 2 3 4 Bar

31-60 Control and Display

System

31-60-08 DISPLAY CYCLE pb

AVAIL light

31-60-08A C 2 0 One or both may be inoperative.

31-60-09 CAPT(F/O) OIS ON

CENTER pb-sw

31-60-09A C 2 0 One or both may be inoperative.

31-60-10 CAPT(F/O) OIS ON

CENTER pb-sw
INOP light

31-60-10A C 2 0 One or both may be inoperative.

31-60-11 CAPT(F/O) OIS ON

CENTER pb-sw ON light

31-60-11A C 2 0 One or both may be inoperative.

31-60-12 OIS VIEW OFFSIDE

pb-sw

31-60-12A C 2 0 One or both may be inoperative.

31-60-13 OIS VIEW OFFSIDE pb

INOP light

31-60-13A C 2 0 One or both may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 31-14
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
31. Indicating/Recording Systems
Change
Sequence No. Item 1 2 3 4 Bar

31-60 Control and Display

System

31-60-14 OIS VIEW OFFSIDE pb

ON light

31-60-14A C 2 0 One or both may be inoperative.

31-60-15 CDS Backup RAW Data

31-60-15A C 1 0 May be inoperative.

31-60-16 CDS Backup Procedures

31-60-16A C 1 0 May be inoperative.

31-60-17 CAN Bus Redundancy

31-60-17A (Aircraft with A 1 0 May be inoperative for |

31-60-17B (Aircraft without A 1 0 May be inoperative for |

MP L43494/ 10 consecutive calendar-days |
MOD 112469 and with provided that none of the following |
MP L48527/ messages are displayed on the |
MOD 115477) DISPATCH page: |
- AVIONICS NETWORK SW OR |
CABLE |
- CDS AVNCS NETWORK A |
COM REDUNDANCY |
- CDS AVNCS NETWORK B |
COM REDUNDANCY. |
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 31-15
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
31. Indicating/Recording Systems
Change
Sequence No. Item 1 2 3 4 Bar

31-62 Keyboard and Cursor

Control Unit

31-62-01 KCCU Cursor Control

Device

31-62-01A C 2 0 (M)(O) One or both may be

inoperative provided that:
1) The affected KCCU cursor
control device is set to OFF,
and
2) The associated KCCU
keyboard is checked operative.

31-62-02 KCCU Keyboard

31-62-02A C 2 0 (M)(O) One or both may be

inoperative provided that:
1) The affected KCCU keyboard
is set to OFF, and
2) The associated KCCU cursor
control device is checked
operative.

31-66 Concentrator and

Multiplexer for Video
(CMV)

31-66-01 CMV

31-66-01A One CMV inoperative C 2 1 (O) One may be inoperative provided

that the OIS ON CENTER pb-sw is
operative on the affected side.

31-66-01B One or both CMVs C 2 0 (O) One or both may be inoperative

inoperative and provided that the OIS display is
associated OIS display considered inoperative on the affected
considered inoperative side.

Refer to Item 46-25-01, OIS Display.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 31-16
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
31. Indicating/Recording Systems
Change
Sequence No. Item 1 2 3 4 Bar

31-68 Head-Up Display (HUD)

31-68-01 HUD
***

31-68-01A D 2 0 (M)(O) One or both may be

inoperative.

NOTE: Application of the maintenance

procedure to remove the
affected Head-up Combiner
Unit (HCU) is only necessary
when the HCU cannot be
stowed.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-1
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-07 Indications on the

WHEEL SD page

32-07-01 Brake Temperature

Monitoring on the
WHEEL SD page

32-07-01A (A350-900 Series) C 8 4 (M)(O) A maximum of two brake

temperature indications per landing
gear may be inoperative provided that:
1) The brakes associated with the
operative brake temperature
indications are operative, and
2) The ground brake cooling time
is applied, and
3) The MLG Bay fire detection is
fully operative.

NOTE: Application of the maintenance

procedure to deactivate the
affected brake temperature
sensor is not mandatory and
may be applied to prevent the
erroneous display of the
BRAKES HOT alert when
affected brake temperature
sensor is erroneous.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-2
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-07 Indications on the

WHEEL SD page

32-07-01 Brake Temperature

Monitoring
(Cont’d)

32-07-01B (A350-1000 Series) C 12 6 (M)(O) A maximum of three brake |

NOTE: Application of the maintenance

32-07-02 Tire Pressure Monitoring

on the WHEEL SD page

32-07-02A D – 0 (M) One or more tire pressure

indications may be inoperative
provided that the pressure of the
affected tire is checked every
calendar-day.

NOTE: Application of the maintenance

procedure to deactivate the
affected tire pressure sensor is
only necessary when the
affected tire pressure sensor is
erroneous.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-3
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-09 Dispatch Messages

32-09-01 BRAKES CAPT(F/O)

BRK PEDAL
TRANSMITTER UNIT
Message

32-09-01A C – – (O) May be displayed on the

DISPATCH page provided that:
1) Both brakes control systems
are operative, and
2) The CAPT brake pedals are
checked operative when the
CAPT side is affected.

32-09-02 BRAKES REMOTE BRK

CTL INPUT Message

32-09-02A C – – May be displayed on the DISPATCH

page.

32-09-03 BRAKES REMOTE BRK

CTL 1(2) ADIRU 1(2)
INPUT Message

32-09-03A C – – A maximum of three may be displayed

on the DISPATCH page provided that
both brakes control systems are
operative.

32-09-04 L/G MAIN L/G RAPID

32-09-10 STEER N/W STEER

ANGLE LIMIT
EXCEEDED Message

32-09-10A A – – (M)(O) May be displayed on the

DISPATCH page for three flights
provided that the oversteer brackets
are visually checked not damaged
after each pushback/towing.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-7
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-31 Extension and Retraction

32-31-01 Landing Gear Control

32-31-01A (Aircraft with C 2 1 (M) One may be inoperative provided

MP L42800/ that:
MOD 109133) 1) The associated landing gear
gravity extension channel is
checked operative before each
flight, and
2) A system test of the braking
system is performed before
each flight, and
3) The NLG LH door fully open
proximity sensor of the
affected landing gear control
system is deactivated, and
4) CPIOM H61, H62, H63, and
H64 are checked to be in the
same software configuration, |
and |
5) The L/G lever discrete signals |
are checked operative before |
each flight. |

NOTE: If a failure is detected during

the system test of the braking
system, refer to the applicable
MMEL item.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-8
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-31 Extension and Retraction

32-31-01 Landing Gear Control

(Cont’d)

32-31-01B (Aircraft without C 2 1 (M) One may be inoperative provided

MP L42800/ that:
MOD 109133) 1) The associated landing gear
gravity extension channel is
checked operative before each
flight, and
2) A system test of the braking
system is performed before
each flight, and
3) The NLG LH door fully open
proximity sensor of the
affected landing gear control
system is deactivated, and |
4) The L/G lever discrete signals |
are checked operative before |
each flight. |

NOTE: If a failure is detected during

the system test of the braking
system, refer to the applicable
MMEL item.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-9
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-31 Extension and Retraction

32-31-02 Landing Gear Pressure

Transducer

32-31-02A C 2 0 (M) One or both may be inoperative

provided that the associated isolation
valve is checked operative.

32-31-03 Main Landing Gear

Retraction System

32-31-03A One inoperative C 2 1 (M) One may be inoperative provided

that the affected main landing gear
retraction system is deactivated.

32-31-03B Both inoperative B 2 0 (M)(O) Both may be inoperative

provided that:
1) A cover is installed on the L/G
lever, and
2) Locking pins are installed on
the landing gears, and
3) The aircraft is prepared for a
flight with the landing gear
down in accordance with the
associated maintenance
procedure before each flight,
and
4) The aircraft is operated in
accordance with the Airplane
Flight Manual Supplement for
the flight with landing gear
down.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-10
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-31 Extension and Retraction

32-31-04 Nose Landing Gear

Retraction System

32-31-04A One Inoperative C 2 1 (M) One may be inoperative provided

that the affected nose landing gear
retraction system is deactivated.

32-31-04B Both Inoperative B 2 0 (M)(O) Both may be inoperative

32-31-05 Landing Gear

Independent Downlock
Source

32-31-05A C 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-11
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-31 Extension and Retraction

32-31-06 Main Landing Gear

Downlock Spring

32-31-06A B 4 0 (M)(O) One or more may be missing

provided that:
1) A cover is installed on the L/G
lever, and
2) A locking pin is installed on the
affected landing gear, and
3) The aircraft is prepared for a
flight with the landing gear
down in accordance with the
associated maintenance
procedure before each flight,
and
4) The aircraft is operated in
accordance with the Airplane
Flight Manual Supplement for
the flight with landing gear
down.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-12
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-31 Extension and Retraction

32-31-07 Landing Gear Uplock

32-31-07A B 3 2 (M)(O) One may be inoperative

provided that:
1) A cover is installed on the L/G
lever, and
2) The aircraft is prepared for a
flight with the landing gear
down in accordance with the
associated maintenance
procedure before each flight,
and
3) The aircraft is operated in
accordance with the Airplane
Flight Manual Supplement for
the flight with landing gear
down.

32-31-08 Landing Gear Bogie

Monitoring
(A350-1000 Series)

32-31-08A A 2 1 One may be inoperative for

10 consecutive calendar-days
provided that two radio altimeters are
operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-13
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-31 Extension and Retraction

32-31-09 Landing Gear Pre- |

Arming Function |

32-31-09A Landing Gear Pre- C 1 0 May be inoperative. |

32-31-09B Landing Gear Pre- C 1 0 (O) May be inoperative provided that |

Arming Function Airplane Flight Manual performance |
Inoperative penalties are applied. |
(Aircraft with |
MP L04051/ |
MOD 116423 and |
MP L95014/ |
MOD 107060 and |
MP L95155/ |
MOD 117155 |

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-14
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-31 Extension and Retraction

32-31-09 Landing Gear Pre-

Arming Function
(Cont’d)

32-31-09C Landing Gear Pre- B 1 0 (M)(O) May be unduly activated |

Arming Function Undue provided that: |
Activation 1) Landing gear doors are closed, |
(Aircraft with and |
MP L04051/ 2) A cover is installed on the L/G |
MOD 116423 and lever, and |
MP L95014/ 3) Locking pins are installed on |
MOD 107060 the landing gears, and |
4) The aircraft is prepared for a |
flight with the landing gear |
down in accordance with the |
associated maintenance |
procedure before each flight, |
and |
5) The aircraft is operated in |
accordance with the Airplane |
Flight Manual supplement for |
the flight with landing gear |
down. |
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-15
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-32 Emergency Extension

32-32-01 Landing Gear Gravity

Extension Redundancy

32-32-01A One inoperative C 2 1 (M) One may be inoperative provided

that:
1) Both landing gear control
systems are operative, and
2) The non-affected landing gear
gravity extension channel is
checked operative.

32-32-01B Both inoperative B 2 0 (M)(O) Both may be inoperative

provided that:
1) A cover is installed on the L/G
lever, and
2) Locking pins are installed on
the landing gears, and
3) The aircraft is prepared for a
flight with the landing gear
down in accordance with the
associated maintenance
procedure before each flight,
and
4) The aircraft is operated in
accordance with the Airplane
Flight Manual Supplement for
the flight with landing gear
down.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-16
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-32 Emergency Extension

32-32-02 Landing Gear Gravity

Extension Degraded

32-32-02A One degraded A 2 1 (M) One may be degraded for

10 consecutive calendar-days
provided that:
1) Both landing gear control
systems are operative, and
2) The non-affected landing gear
gravity extension channel is
checked operative.

32-32-02B Both degraded B 2 0 (M)(O) Both may be inoperative

32-32-03 Landing Gear Gravity

Extension Module
Installation

32-32-03A C 2 0 (M) One or both may be inoperative

provided that the associated gravity
extension channel is checked
operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-17
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-32 Emergency Extension

32-32-04 Landing Gear APP Level

Monitoring

32-32-04A C 2 0 (M) One or both may be inoperative

provided that the APP fluid level is
visually checked in the associated
reservoir before each flight.

32-32-05 Landing Gear Gravity

Extension Test

32-32-05A C 2 0 (M) One or both may be inoperative

provided that the SSPC dedicated to
the test circuit of the associated
landing gear gravity extension channel
is checked closed.

32-33 Ground Door Opening

System

32-33-01 Ground Door Opening

System

32-33-01A (A350-900 Series) C 3 0 (M) One or more may be inoperative

provided that:
1) The associated landing gear
doors are checked closed and
locked before each flight, and
2) The associated ground door
opening system is deactivated.

32-33-01B (A350-1000 Series) C 3 0 (M) One or more may be inoperative

provided that:
1) The associated landing gear
doors are checked closed and
locked before each flight, and
2) The associated ground door
opening system is checked to
be in FLIGHT mode, and
3) The associated ground door
opening system is deactivated.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-18
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-41 Wheels

32-41-01 Nose Wheel Tie Bolt

32-41-01A A 24 22 (M) One may be broken or missing on

each wheel for five flights provided
that:
1) The affected wheel tie bolt is
removed, and
2) The associated wheel is
checked for absence of
damage.

32-41-02 Main Wheel Tie Bolt

32-41-02A Goodrich MLG wheels A 160 152 (M) One may be broken or missing on
(A350-900 Series with each wheel for five flights provided
MP L41056/ that:
MOD 100080) 1) The affected wheel tie bolt is
removed, and
2) The associated wheel is
checked for absence of
damage.

32-41-02B SLS MLG wheels A 144 136 (M) One may be broken or missing on
(A350-900 Series with each wheel for five flights provided
MP L42808/ that:
MOD 109632) 1) The affected tie bolt is fitted on
a wheel P/N C20674700, and
2) The affected wheel tie bolt is
removed, and
3) The associated wheel and
brake are checked for absence
of damage.

32-41-02C Goodrich and SLS MLG A ‒ ‒ (M) One may be broken or missing on
wheels each wheel for five flights provided
(A350-1000 Series) that:
1) The affected wheel tie bolt is
removed, and
2) The associated wheel is
checked for absence of
damage.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-19
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-42-01 Normal Wheel Brake 01

(Cont’d)

32-42-01G Brake 01 in released C 1 0 (O) The wheel brake 01 may be

configuration inoperative in normal braking mode
(A350-1000 Series) provided that:
1) Wheel brakes 02, 03, 04, 05,
06, 08, 09, and 10 are
operative in normal braking
mode, and
2) Failure of wheel brake 01 is
detected via the BRAKES
BRK 01 RELEASED message
on the DISPATCH page, and
3) Flight performance penalties
are applied.

32-42-01H Brake 01 in residual C 1 0 (M)(O) The wheel brake 01 may be

braking configuration or inoperative in normal braking mode
damaged provided that:
(A350-1000 Series) 1) Wheel brakes 02, 03, 04, 05,
06, 08, 09, and 10 are
operative in normal braking
mode, and
2) Wheel brake 01 is deactivated,
and
3) The associated pressure
transducer is deactivated if the
failure of wheel brake 01 is
detected via the BRAKES
RESIDUAL BRAKING ON
BRK 01 message on the
DISPATCH page, and
4) Flight performance penalties
are applied.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-23
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-42-02 Normal Wheel Brake 02

(Cont’d)

32-42-02G Brake 02 in released C 1 0 (O) The wheel brake 02 may be

configuration inoperative in normal braking mode
(A350-1000 Series) provided that:
1) Wheel brakes 01, 03, 04, 05,
06, 08, 09, and 10 are
operative in normal braking
mode, and
2) Failure of wheel brake 02 is
detected via the BRAKES
BRK 02 RELEASED message
on the DISPATCH page, and
3) Flight performance penalties
are applied.

32-42-02H Brake 02 in residual C 1 0 (M)(O) The wheel brake 02 may be

braking configuration or inoperative in normal braking mode
damaged provided that:
(A350-1000 Series) 1) Wheel brakes 01, 03, 04, 05,
06, 08, 09, and 10 are
operative in normal braking
mode, and
2) Wheel brake 02 is deactivated,
and
3) The associated pressure
transducer is deactivated if the
failure of wheel brake 02 is
detected via the BRAKES
RESIDUAL BRAKING ON
BRK 02 message on the
DISPATCH page, and
4) Flight performance penalties
are applied.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-27
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-42-03 Normal Wheel Brake 03

(Cont’d)

32-42-03G Brake 03 in released C 1 0 (O) The wheel brake 03 may be

configuration inoperative in normal braking mode
(A350-1000 Series) provided that:
1) Wheel brakes 01, 02, 04, 06,
07, 08, 11, and 12 are
operative in normal braking
mode, and
2) Failure of wheel brake 03 is
detected via the BRAKES
BRK 03 RELEASED message
on the DISPATCH page, and
3) Flight performance penalties
are applied.

32-42-03H Brake 03 in residual C 1 0 (M)(O) The wheel brake 03 may be

braking configuration or inoperative in normal braking mode
damaged provided that:
(A350-1000 Series) 1) Wheel brakes 01, 02, 04, 06,
07, 08, 11, and 12 are
operative in normal braking
mode, and
2) Wheel brake 03 is deactivated,
and
3) The associated pressure
transducer is deactivated if the
failure of wheel brake 03 is
detected via the BRAKES
RESIDUAL BRAKING ON
BRK 03 message on the
DISPATCH page, and
4) Flight performance penalties
are applied.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-31
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-42-04 Normal Wheel Brake 04

(Cont’d)

32-42-04G Brake 04 in released C 1 0 (O) The wheel brake 04 may be

configuration inoperative in normal braking mode
(A350-1000 Series) provided that:
1) Wheel brakes 01, 02, 03, 06,
07, 08, 11, and 12 are
operative in normal braking
mode, and
2) Failure of wheel brake 04 is
detected via the BRAKES
BRK 04 RELEASED message
on the DISPATCH page, and
3) Flight performance penalties
are applied.

32-42-04H Brake 04 in residual C 1 0 (M)(O) The wheel brake 04 may be

braking configuration or inoperative in normal braking mode
damaged provided that:
(A350-1000 Series) 1) Wheel brakes 01, 02, 03, 06,
07, 08, 11, and 12 are
operative in normal braking
mode, and
2) Wheel brake 04 is deactivated,
and
3) The associated pressure
transducer is deactivated if the
failure of wheel brake 04 is
detected via the BRAKES
RESIDUAL BRAKING ON
BRK 04 message on the
DISPATCH page, and
4) Flight performance penalties
are applied.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-35
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-42 Normal Braking

32-42-05 Normal Wheel Brake 05

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-42
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-42 Normal Braking

32-42-07 Normal Wheel Brake 07

(Cont’d)

32-42-07C Brake 07 in released C 1 0 (O) The wheel brake 07 may be

configuration inoperative in normal braking mode
(A350-900 Series provided that:
without MP L43207/ 1) The other wheel brakes are
MOD 110847) operative in normal braking
mode, and
2) Failure of wheel brake 07 is
detected via the BRAKES
BRK 07 RELEASED message
on the DISPATCH page, and
3) Flight performance penalties
are applied.

32-42-07D Brake 07 in residual C 1 0 (M)(O) The wheel brake 07 may be

braking configuration or inoperative in normal braking mode
damaged provided that:
(A350-900 Series 1) The other wheel brakes are
without MP L43207/ operative in normal braking
MOD 110847) mode, and
2) Wheel brake 07 is deactivated,
and
3) The associated pressure
transducer is deactivated if the
failure of wheel brake 07 is
detected via the BRAKES
RESIDUAL BRAKING ON
BRK 07 message on the
DISPATCH page, and
4) Flight performance penalties
are applied.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-43
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-42 Normal Braking

32-42-07 Normal Wheel Brake 07

(Cont’d)

32-42-07E Brake 07 in released C 1 0 (O) The wheel brake 07 may be

configuration inoperative in normal braking mode
(A350-1000 Series) provided that:
1) Wheel brakes 03, 04, 05, 08,
09, 10, 11, and 12 are
operative in normal braking
mode, and
2) Failure of wheel brake 07 is
detected via the BRAKES
BRK 07 RELEASED message
on the DISPATCH page, and
3) Flight performance penalties
are applied.

32-42-07F Brake 07 in residual C 1 0 (M)(O) The wheel brake 07 may be

braking configuration or inoperative in normal braking mode
damaged provided that:
(A350-1000 Series) 1) Wheel brakes 03, 04, 05, 08,
09, 10, 11, and 12 are
operative in normal braking
mode, and
2) Wheel brake 07 is deactivated,
and
3) The associated pressure
transducer is deactivated if the
failure of wheel brake 07 is
detected via the BRAKES
RESIDUAL BRAKING ON
BRK 07 message on the
DISPATCH page, and
4) Flight performance penalties
are applied.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-44
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-42 Normal Braking

32-42-08 Normal Wheel Brake 08

32-42-08A Brake 08 in released C 1 0 (O) The wheel brake 08 may be

configuration inoperative in normal braking mode
(A350-900 Series with provided that:
MP L43207/ 1) Wheel brakes 03, 04, 05, 06,
MOD 110847) and 07 are operative in normal
braking mode, and
2) Failure of wheel brake 08 is
detected via the BRAKES
BRK 08 RELEASED message
on the DISPATCH page, and
3) Flight performance penalties
are applied.

32-42-08B Brake 08 in residual C 1 0 (M)(O) The wheel brake 08 may be

braking configuration or inoperative in normal braking mode
damaged provided that:
(A350-900 Series with 1) Wheel brakes 03, 04, 05, 06,
MP L43207/ and 07 are operative in normal
MOD 110847) braking mode, and
2) Wheel brake 08 is deactivated,
and
3) The associated pressure
transducer is deactivated if the
failure of wheel brake 08 is
detected via the BRAKES
RESIDUAL BRAKING ON
BRK 08 message on the
DISPATCH page, and
4) Flight performance penalties
are applied.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-45
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-42 Normal Braking

32-42-08 Normal Wheel Brake 08

(Cont’d)

32-42-08C Brake 08 in released C 1 0 (O) The wheel brake 08 may be

configuration inoperative in normal braking mode
(A350-900 Series provided that:
without MP L43207/ 1) The other wheel brakes are
MOD 110847) operative in normal braking
mode, and
2) Failure of wheel brake 08 is
detected via the BRAKES
BRK 08 RELEASED message
on the DISPATCH page, and
3) Flight performance penalties
are applied.

32-42-08D Brake 08 in residual C 1 0 (M)(O) The wheel brake 08 may be

32-42-12B Brake 12 in residual C 1 0 (M)(O) The wheel brake 12 may be

braking configuration or inoperative in normal braking mode
damaged provided that:
1) Wheel brakes 03, 04, 05, 07,
08, 09, 10, and 11 are
operative in normal braking
mode, and
2) Wheel brake 12 is deactivated,
and
3) The associated pressure
transducer is deactivated if the
failure of wheel brake 12 is
detected via the BRAKES
RESIDUAL BRAKING ON
BRK 12 message on the
DISPATCH page, and
4) Flight performance penalties
are applied.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-51
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-42 Normal Braking

32-42-13 Remote Brakes Control

Unit Channel A

32-42-13A C 2 1 One may be inoperative.

32-42-14 Remote Brakes Control

Unit Channel B

32-42-14A C 2 1 (O) One may be inoperative provided

that:
1) Both brakes control systems
are operative, and
2) Both RBCU channel A are
operative, and
3) CAPT and F/O brake pedal
transmitter units are operative.

32-42-16 Normal Brake Servo

Valve Redundancy

32-42-16A C 1 0 May be inoperative.

32-42-17 Green(Yellow) Normal

Brake Selector Valve
Redundancy

32-42-17A C 2 0 One or both may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-52
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-42 Normal Braking

32-42-18 Wheel Brake Pressure

Transducer

32-42-18A (A350-900 Series) C 8 6 (O) One may be inoperative on each

wheel group (green or yellow).

32-42-18B (A350-1000 Series) C 12 8 (O) A maximum of two may be

inoperative on each wheel group
(green or yellow).

32-42-19 Green Normal Brake

Selector Valve Pressure
Transducer

32-42-19A (A350-900 Series) C 2 1 One may be inoperative.

32-42-19B Green rear wheels C 2 1 One may be inoperative.

NBSELV PT inoperative
(A350-1000 Series)

32-42-19C Green center wheels C 2 1 (O) One may be inoperative provided

NBSELV PT inoperative that wheel brakes 05 and 07 pressure
(A350-1000 Series) transducers are operative.

32-42-20 Yellow Normal Brake

Selector Valve Pressure
Transducer

32-42-20A (A350-900 Series) C 2 1 One may be inoperative.

32-42-20B Yellow front wheels C 2 1 One may be inoperative.

NBSELV PT inoperative
(A350-1000 Series)

32-42-20C Yellow center wheels C 2 1 (O) One may be inoperative provided

NBSELV PT inoperative that wheel brake pressure transducers
(A350-1000 Series) 06 and 08 are operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-53
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-42 Normal Braking

32-42-21 Brakes Control System

32-42-21A C 2 1 One may be inoperative.

32-42-22 A/BRK pb

32-42-22A C 1 0 (O) May be inoperative.

32-42-23 A/BRK pb light

32-42-23A C 1 0 (O) May be inoperative.

32-43-07A (A350-1000 Series) C 1 0 (O) The wheel brake 07 may be

inoperative in alternate braking mode
provided that wheel brakes 03, 04, 05,
08, 09, 10, 11, and 12 are operative in
alternate braking mode.

32-43-07B (A350-900 Series) C 1 0 (O) The wheel brake 07 may be

inoperative in alternate braking mode
provided that wheel brakes 03, 04, 05,
06, and 08 are operative in alternate
braking mode.

32-43-08 Alternate Wheel

Brake 08

32-43-08A (A350-1000 Series) C 1 0 (O) The wheel brake 08 may be

inoperative in alternate braking mode
provided that wheel brakes 01, 02, 03,
04, 06, 07, 11, and 12 are operative in
alternate braking mode.

32-43-08B (A350-900 Series) C 1 0 (O) The wheel brake 08 may be

inoperative in alternate braking mode
provided that wheel brakes 03, 04, 05,
06, and 07 are operative in alternate
braking mode.

32-43-09 Alternate Wheel

Brake 09
(A350-1000 Series)

32-43-09A C 1 0 (O) The wheel brake 09 may be

inoperative in alternate braking mode
provided that wheel brakes 01, 02, 05,
06, 07, 10, 11, and 12 are operative in
alternate braking mode.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-58
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-43 Alternate Braking

32-43-10 Alternate Wheel

Brake 10
(A350-1000 Series)

32-43-10A C 1 0 (O) The wheel brake 10 may be

inoperative in alternate braking mode
provided that wheel brakes 01, 02, 05,
06, 07, 09, 11, and 12 are operative in
alternate braking mode.

32-43-11 Alternate Wheel

Brake 11
(A350-1000 Series)

32-43-11A C 1 0 (O) The wheel brake 11 may be

inoperative in alternate braking mode
provided that wheel brakes 03, 04, 05,
07, 08, 09, 10, and 12 are operative in
alternate braking mode.

32-43-12 Alternate Wheel

Brake 12
(A350-1000 Series)

32-43-12A C 1 0 (O) The wheel brake 12 may be

inoperative in alternate braking mode
provided that wheel brakes 03, 04, 05,
07, 08, 09, 10, and 11 are operative in
alternate braking mode.

32-43-13 ACCU GREEN

(YELLOW) Pressure
Indicator

32-43-13A C 2 0 (O) One or both may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-59
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-43 Alternate Braking

32-43-14 ACCU REINFLATE pb

32-43-14A C 1 0 (M) May be inoperative provided that

the accumulators are refilled through
interactive BITE if the accumulator
pressure indications are not in the
green arc.

32-43-15 Green(Yellow) Alternate

Brake Selector Valve
Pressure Transducer

32-43-15A C 2 0 One or both may be inoperative.

32-43-16 Alternate Brake Servo

Valve Redundancy

32-43-16A C 1 0 (O) May be inoperative provided that

both remote brakes control unit
channels B are operative.

32-43-17 Alternate Brake Selector

Valve Redundancy

32-43-17A C 1 0 (O) May be inoperative provided that:

1) Both remote brakes control
unit channels B are operative,
and
2) The emergency braking
system is checked operative
before each flight.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-60
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-43 Alternate Braking

32-43-18 Green (Yellow)

Accumulator Reinflate
Valve Redundancy

32-43-18A C 2 0 One or both may be inoperative.

32-43-19 Green (Yellow) Alternate

Braking Return
Accumulator

32-43-19A C 2 0 One or both may be incorrectly

charged.

32-43-20 Green (Yellow)

Accumulator Reinflate
Valve
(A350-900 Series)

32-43-20A A 2 1 (O) One may be inoperative in the

open position for five flights provided
that:
1) Both engine thrust reversers
are operative, and
2) All spoilers are operative, and
3) The ground spoiler control
system is operative, and
4) There is no other failure in the
braking system, and
5) Appropriate performance
adjustments are applied.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-61
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-45 Parking Braking

32-45-01 Green(Yellow) Parking

Brake Selector Valve

32-45-01A C 2 1 (O) One may be inoperative provided

that:
1) All brakes associated with the
non-affected hydraulic system
are operative, and
2) Before chocks removal the
brake accumulator associated
with the non-affected hydraulic
system is refilled (green zone)
through the associated
electrical motor pump.

32-48 Brake Cooling

32-48-01 Brake Fan

***

32-48-01A Brake fan system D – 0 (O) One or more may be inoperative

not used provided that the brake fan system is
not used.

32-48-01B Brake fan system D – 0 (M) One or more may be inoperative

available on the provided that the affected brake fan is
non-affected brakes deactivated.

32-48-02 BRAKE FAN pb

*** HOT light

32-48-02A D 1 0 May be inoperative.

32-48-03 BRAKE FAN pb ON light

***

32-48-03A D 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-62
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-50 Steering

32-50-01 Steering Tiller

(Handwheel)

32-50-01A C 2 1 (M)(O) One may be inoperative

provided that the affected steering
tiller (handwheel) is deactivated.

32-50-02 NWS Disconnection

Function

32-50-02A Towing mode not C 1 0 (O) May be inoperative.

available when the NWS
DISCONNECT switch is NOTE: For towing, make sure that the
in the towing position engine master levers and the
YELLOW ELEC PMP pb-sw
are set to OFF.

32-50-02B NWS DISCONNECT C 1 0 (M)(O) May be inoperative provided

panel deactivated that the NWS DISCONNECT panel is
deactivated.

NOTE: For towing, make sure that the

engine master levers and the
YELLOW ELEC PMP pb-sw
are set to OFF.

32-50-03 Steering Pedal

Disconnection pb

32-50-03A C 2 0 (O) One or both may be inoperative.

32-51 Nose Wheel Steering

Control System

32-51-01 Steering Control

32-51-01A C 2 1 One may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 32-63
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
32. Landing Gear
Change
Sequence No. Item 1 2 3 4 Bar

32-61 Indicating and Warning

32-61-01 DOWN Red Arrow light

on the L/G lever

32-61-01A C 1 0 May be inoperative.

32-81 Landing Gear

Management System

32-81-01 Landing Gear Monitoring

System

32-81-01A One landing gear C 2 1 One may be inoperative.

monitoring system
inoperative

32-81-01B Both landing gear C 2 0 Both may be inoperative provided that:

monitoring systems 1) The brake temperature
inoperative indications on the WHEEL SD
page are operative, and
2) The affected tire pressure
indications are considered
inoperative.

Refer to Item 32-07-02, Tire Pressure

Monitoring on the WHEEL SD page.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-1
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-01 INT LT Overhead Panel

33-01-01 TEST Function of the

ANN LT sw

33-01-01A C 1 0 May be inoperative.

33-01-02 DIM Function of the ANN

LT sw

33-01-02A C 1 0 May be inoperative provided that the

BRT function of the ANN LT sw is
operative.

33-01-03 BRT Function of the

ANN LT sw

33-01-03A C 1 0 May be inoperative for night

operations.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-2
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-02 SIGNS Overhead Panel

33-02-01 AUTO Function of SEAT

BELTS sw

33-02-01A C 1 0 (O) May be inoperative provided that

alternate procedures are established
and used.

33-02-02 AUTO Function of

*** NO SMOKING/
NO SMKG/NO PED sw

33-02-02A C ‒ 0 (O) May be inoperative provided that

alternate procedures are established
and used.

33-02-03 EMER EXIT LT sw

*** OFF light

33-02-03A C 1 0 May be inoperative.

33-02-04 AUTO Function of

NO MOBILE sw

33-02-04A C 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-3
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-10 Cockpit

33-10-01 Cockpit Lighting

(Ambient Lighting,
Instrument and Panel
Lighting, Pilot Utilities
Lighting, Instrument and
Panel Integrated
Lighting)

33-10-01A C – – May be inoperative provided that the

lighting is sufficient to clearly
illuminate all instruments and controls.

NOTE: The pilot utilities lighting

includes the following:
- The CAPT(F/O) reading
light,
- The CAPT(F/O) map
holder light,
- The CAPT(F/O) sliding
table light, and
- The CAPT(F/O) outer main
instrument panel light.

33-10-02 Utilities Lighting (Except

Pilot Utilities Lighting)

33-10-02A D – 0 One or more may be inoperative.

NOTE: The utilities lighting includes:

- The third (fourth) cockpit
occupant reading light,
- The third (fourth) cockpit
occupant console light,
- The coat stowage lights,
and
- The eye reference light.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-4
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-21 Cabin, CRC General

Illumination

33-21-01 Cabin Lighting

33-21-01A Aircraft with C – – (O) One or more lights may be

Photoluminescent Floor inoperative provided that:
Path Marking System 1) The lighting is sufficient for the
flight attendants to perform
their duties, and
2) The lighting is sufficient to
charge the photoluminescent
Floor Path Marking System.

33-21-01B Aircraft with LED-based C – – One or more lights may be inoperative

Floor Path Marking provided that the lighting is sufficient
System for the flight attendants to perform
their duties.

33-21-02 Lavatory Lighting

33-21-02A Affected lavatory used D – – One or more lights may be inoperative

provided that remaining lighting is
sufficient.

33-21-02B Affected lavatory not C – 0 One or more lights may be inoperative

used provided that the affected lavatory is
locked closed and is placarded
inoperative.

NOTE: These provisos are not

intended to prohibit lavatory
use or inspections by
crewmembers.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-5
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-21 Cabin, CRC General

Illumination

33-21-03 Cabin Crew Rest

*** Compartment Lighting

33-21-03A CCRC used D – – One or more lights may be inoperative

provided that the lighting is sufficient
for the cabin crew to access their
bunk.

33-21-03B CCRC not used D – 0 One or more may be inoperative

provided that the CCRC is locked
closed and is placarded inoperative.

33-21-04 Flightcrew Rest

*** Compartment Lighting

33-21-04A FCRC used C – – One or more lights may be inoperative

provided that the lighting is sufficient
for the flightcrew to access their bunk
or seat.

33-21-04B FCRC not used D – 0 One or more may be inoperative

provided that:
1) The FCRC is locked closed
and is placarded inoperative,
and
2) Procedures do not require its
use.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-6
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-26 Lighted Signs

33-26-01 Cabin Sign

(No Smoking,
No Portable/Electronic
Device, No Mobile,
Fasten Seat Belt, Return
to Seat)

33-26-01A Affected seat used C – – (O) One or more may be inoperative

provided that:
1) Passenger address system
operates normally, and
2) Passenger address system is
used to notify passengers and
cabin crew when associated
sign(s) is placed on or off.

33-26-01B Affected seat not used C – – One or more may be inoperative

provided that the seats from which a
cabin sign is not readily legible are
placarded inoperative and are not
used.

33-26-02 Lavatory Sign

(Return to Seat)

33-26-02A Lavatory used C – – (O) One or more may be inoperative

provided that:
1) Passenger address system
operates normally, and
2) Passenger address system is
used to notify passengers and
cabin crew when associated
sign(s) is placed on or off.

33-26-02B Lavatory not used C – – One or more may be inoperative

provided that the affected lavatory is
locked closed and is placarded
inoperative.

NOTE: These conditions are not

intended to prohibit lavatory
use or inspections by
crewmembers.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-7
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-26 Lighted Signs

33-26-03 Cabin Crew Rest

*** Compartment Sign
(No Smoking,
No Portable/Electronic
Device, No Mobile,
Fasten Seat Belt)

33-26-03A Alternate procedures C – 0 (O) One or more may be inoperative

used provided that alternate procedures are
established and used.

33-26-03B Bed belts fastened D – 0 One or more may be inoperative

provided that:
1) The bed belt is fastened when
the bed is occupied, and
2) Smoking in the CCRC is
prohibited, and
3) PED/mobile phones are
permanently switched off in the
CCRC.

33-26-03C CCRC not used D – 0 One or more may be inoperative

provided that the CCRC is locked
closed and is placarded inoperative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-8
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-26 Lighted Signs

33-26-04 Flightcrew Rest

Compartment Sign
(No Smoking,
No Portable/Electronic
Device, No Mobile,
Fasten Seat Belts)

33-26-04A Alternate procedures C – 0 (O) One or more may be inoperative

used provided that alternate procedures are
established and used.

33-26-04B Seat/Bed belts fastened D – 0 One or more may be inoperative

provided that:
1) The seat belt or bed belt is
fastened when the bed or seat
is occupied, and
2) Smoking in the FCRC is
prohibited, and
3) PED/mobile phone are
permanently switched off in the
FCRC.

33-26-04C FCRC not used D – 0 One or more may be inoperative

provided that:
1) The FCRC is locked closed
placarded inoperative, and
2) Procedures do not require its
use.

33-30 Cargo and Service

Compartments

33-30-01 Cargo and Service

Compartment Lighting

33-30-01A D – – Individual lights may be inoperative

provided that sufficient lighting
remains for ground personnel to
perform their duties.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-9
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-40 Exterior Lighting

33-40-01 Beacon Light

33-40-01A C 2 0 (O) One or more may be inoperative

provided that the strobe lights are
operative.

33-40-02 Landing Light Bulb

33-40-02A A maximum of three C 6 3 A maximum of three bulbs may be

bulbs inoperative inoperative.
(Aircraft without
MP L42865/
MOD 110759)

33-40-02B Four or more bulbs C 6 0 Four or more bulbs may be

inoperative inoperative provided that night
(Aircraft without operations are not conducted.
MP L42865/
MOD 110759)

33-40-02C One landing light C 2 1 One may be inoperative.

inoperative
(Aircraft with
MP L42865/
MOD 110759)

33-40-02D Both landing lights C 2 0 Both may be inoperative provided that

inoperative night operations are not conducted.
(Aircraft with
MP L42865/
MOD 110759)

33-40-03 Logo Light

33-40-03A D 2 0 One or both may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-10
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-40 Exterior Lighting

33-40-04 NAV Light 1

33-40-04A NAV lights 2 checked C 3 0 (O) One or more NAV lights 1 may be
operative inoperative provided that NAV lights 2
are checked operative.

33-40-04B Operations from sunset C 3 0 One or more NAV lights 1 may be

to sunrise are not inoperative provided that operations
conducted from sunset to sunrise are not
conducted.

33-40-05 NAV Light 2

33-40-05A C 3 0 One or more NAV lights 2 may be

inoperative.

33-40-06 Taxi and Runway Turn

Off Light Function

33-40-06A (Aircraft without C 1 0 May be inoperative.

MP L42865/
MOD 110759) NOTE: The taxi and runway turn off
light function is considered
inoperative when:
- The taxi light is failed, or
- One or both runway turn off
lights are failed.

33-40-06B (Aircraft with C 1 0 May be inoperative.

MP L42865/
MOD 110759)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-11
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-40 Exterior Lighting

33-40-07 Strobe Light

33-40-07A (Aircraft without C 3 0 One or more may be inoperative.

MP L41387/
MOD 110358) NOTE 1: The LH (RH) wingtip strobe |
light is considered
inoperative when both light
units are inoperative, no
MEL entry is required if only
one light unit is inoperative.

NOTE 2: The rearward strobe light is

considered inoperative when
one light unit is inoperative.

33-40-07B (Aircraft with C 3 0 One or more may be inoperative.

MP L41387/
MOD 110358) |

33-40-08 Taxi Aid Camera Light

***

33-40-08A D 4 0 One or more may be inoperative.

33-40-09 Takeoff Light Function

33-40-09A (Aircraft without C 1 0 May be inoperative.

MP L42865/
MOD 110759) NOTE: The takeoff light function is
considered inoperative when
five or six bulbs are failed. No
MEL entry is required if at least
two bulbs are operative.

33-40-09B (Aircraft with C 1 0 May be inoperative.

MP L42865/
MOD 110759) NOTE: The takeoff light function is
considered inoperative when
both takeoff lights are
inoperative. No MEL entry is
required if one takeoff light is
operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-12
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-40 Exterior Lighting

33-40-10 Wing and Engine

Scan Light

33-40-10A C 2 0 One or both may be inoperative

provided that ground deicing
procedures do not require their use.

33-40-11 Exterior Light Control

Degraded

33-40-11A B 1 0 (M)(O) May be degraded provided

that:
1) The lower beacon light and the
landing lights are deactivated,
and
2) The strobe lights are operative,
and
3) Night operations are not
conducted.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-13
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-50 Emergency Lighting

33-50-01 Ceiling Emergency

LED Light

33-50-01A C – – One or more non-adjacent LEDs may

be inoperative.

33-50-02 Cabin Door Emergency

Spotlight

33-50-02A One spotlight inoperative C 16 8 One may be inoperative on each cabin

on each cabin door door.

33-50-02B Two spotlights A 16 7 One or more may be inoperative

inoperative on one cabin provided that:
door 1) Cabin door that has both
spotlights inoperative is
considered inoperative, and
2) Repairs are made within
1 flight-day.

Refer to Item 52-10-01, Cabin

Door/Slide/Raft.

33-50-03 Middle Section of

the Cross-Aisle
Emergency Spotlight

33-50-03A C 8 4 One may be inoperative in the middle

section of each cross-aisle.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-14
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-50 Emergency Lighting

33-50-04 Cabin EXIT Sign

(EXIT Marking,
EXIT Location)

33-50-04A A maximum of three C – – A maximum of three non-adjacent

non-adjacent LEDs LEDs may be inoperative in one or
inoperative more signs.

33-50-04B Four or more A – – Four or more non-adjacent LEDs, or

non-adjacent LEDs, or two adjacent LEDS, may be
two adjacent LEDs inoperative in one or more signs
inoperative provided that:
1) The associated cabin door is
considered inoperative, and
2) Repairs are made within
1 flight-day.

Refer to Item 52-10-01, Cabin

Door/Slide/Raft.

33-50-05 Door Sill Light

33-50-05A A 8 7 One may be inoperative provided that:

1) The associated cabin door is
considered inoperative, and
2) Repairs are made within
1 flight-day.

Refer to Item 52-10-01, Cabin

Door/Slide/Raft.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-15
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-50 Emergency Lighting

33-50-06 Photo Luminescent Floor

*** Path Marking System

33-50-06A C – – One or more strips may be inoperative

or missing provided that:
1) The length of each affected
section does not exceed
9.75 in (0.25 m), and
2) The affected sections are not
opposite each other, and
3) The distance between each
affected section is more than
78.75 in (2 m), and
4) No more than four sections in
each aisle are affected, and
5) The sections marking right
angle intersections, including
cross-aisles, are operative,
and
6) All sections within 39.4 in (1 m)
of the strips marking right
angle intersections are
operative.

33-50-07 LED Floor Path Marking

*** System (seat-mounted
light, wall-mounted light,
edge-mounted light)

33-50-07A C – – (O) One or more may be inoperative

provided that the operative emergency
lights are sufficient to provide an
acceptable level of lighting in the case
of an emergency evacuation.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-16
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-50 Emergency Lighting

33-50-08 Floor Path Marking EXIT

Identifier

33-50-08A A 14 12 One or both associated with one cabin

door may be inoperative provided that:
1) The associated cabin door is
considered inoperative, and
2) Repairs are made within
1 flight-day.

Refer to Item 52-10-01, Cabin

Door/Slide/Raft.

33-50-09 Lavatory Emergency

Lighting

33-50-09A C – 0 One or more may be inoperative.

33-50-10 FCRC Emergency Light

***

33-50-10A FCRC flashlight C 3 0 One or more may be inoperative

operative provided that the flashlight dedicated
to the flightcrew rest compartment is
operative.

33-50-10B FCRC locked closed D 3 0 One or more may be inoperative

provided that:
1) The flightcrew rest
compartment is locked closed
and is placarded inoperative,
and
2) Procedures do not require its
use.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-17
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-50 Emergency Lighting

33-50-11 CCRC Emergency Light

***

33-50-11A Two flashlights available C – 0 One or more may be inoperative

in CCRC provided that one flashlight is
available at each extremity of the
catwalk area (corridor).

33-50-11B CCRC locked closed D – 0 One or more may be inoperative

provided that the cabin crew rest
compartment is locked closed and is
placarded inoperative.

33-50-12 CCRC EXIT Sign

***

33-50-12A A maximum of three D 2 0 A maximum of three non-adjacent

non-adjacent LEDs LEDs may be inoperative in one or
inoperative both signs.

33-50-12B Two flashlights available C 2 0 One or both may be inoperative

in CCRC provided that one flashlight is
available at each extremity of the
catwalk area (corridor).

33-50-12C CCRC not used D 2 0 One or both may be inoperative

provided that the cabin crew rest
compartment is locked closed and is
placarded inoperative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-18
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-50 Emergency Lighting

33-50-13 Evacuation Area Light

33-50-13A Other than night C 8 0 One or more may be inoperative

operations provided that night operations are not
conducted.

33-50-13B Affected cabin door not A 8 7 (O) One may be inoperative provided
used that:
1) The associated cabin door is
considered inoperative, and
2) Repairs are made within
1 flight-day.

Refer to Item 52-10-01, Cabin

Door/Slide/Raft.

33-50-14 Escape Slide Lighting

33-50-14A Other than night C 8 0 One or more may be inoperative

operations provided that night operations are not
conducted.

33-50-14B Associated cabin door A 8 7 (O) One may be inoperative provided

considered inoperative that:
1) The associated cabin door is
considered inoperative, and
2) Repairs are made within
1 flight-day.

Refer to Item 52-10-01, Cabin

Door/Slide/Raft.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-19
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-50 Emergency Lighting

33-50-15 Emergency Power

Supply Unit

33-50-15A EPSU 1R, or 2L(R), A 8 7 (O) EPSU 1R, or 2L(R), or 3L(R) may
or 3L(R) inoperative be inoperative provided that:
1) The associated cabin door is
considered inoperative, and
2) Repairs are made within
1 flight-day.

Refer to Item 52-10-01, Cabin

Door/Slide/Raft.

33-50-15B EPSU 1L inoperative A 8 7 (O) EPSU 1L may be inoperative

provided that:
1) The FCRC is locked closed
and is placarded inoperative,
and
2) Procedures do not require the
use of the FCRC, and
3) The cabin door 1L is
considered inoperative, and
4) Repairs are made within
1 flight-day.

Refer to Item 52-10-01, Cabin

Door/Slide/Raft.

33-50-15C EPSU 4L or 4R A 8 7 (O) EPSU 4L or 4R may be

inoperative inoperative provided that:
1) The CCRC is locked closed
and placarded inoperative, and
2) The associated cabin door is
considered inoperative, and
3) Repairs are made within
1 flight-day.

Refer to Item 52-10-01, Cabin

Door/Slide/Raft.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 33-20
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350
3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
33. Lights
Change
Sequence No. Item 1 2 3 4 Bar

33-50 Emergency Lighting

33-50-16 Cockpit Access Door

Emergency Spotlight

33-50-16A C 1 0 May be inoperative provided that the

emergency spotlights located in the
middle section of door 1 cross-aisle
are operative.

33-50-17 AFT Galley Area

Emergency Spotlight

33-50-17A C 4 2 (O) One or two non-adjacent

emergency spotlights may be
inoperative provided that:
1) The emergency spotlights
located in the middle section of
door 4 cross-aisle are
operative, and
2) The cabin door 4 emergency
spotlights are operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 34-1
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
34. Navigation
Change
Sequence No. Item 1 2 3 4 Bar

34-01 ADIRS Overhead Panel

34-01-01 ADR pb FAULT Light

34-01-01A C 3 0 One or more may be inoperative.

34-01-02 ADR pb OFF Light

34-01-02A C 3 0 One or more may be inoperative.

34-01-03 IR pb FAULT Light

34-01-03A C 3 0 One or more may be inoperative.

34-01-04 IR pb OFF Light

34-01-04A C 3 0 One or more may be inoperative.

34-01-05 ON BAT Light

34-01-05A C 1 0 May be inoperative.

34-01-31 ADIRS Mode Selector

34-01-31A NAV position inoperative C 3 2 (O) The NAV position of one ADIRS
mode selector may be inoperative
provided that the affected ADIRS
mode selector is set to ATT.

34-01-31B ATT position inoperative C 3 2 (O) The ATT position of one ADIRS
mode selector may be inoperative.

34-01-31C OFF position inoperative C 3 2 (M) The OFF position of one ADIRS
mode selector may be inoperative
provided that the associated ADIRS is
deactivated.

Refer to Item 34-12-01, ADR.

Refer to Item 34-12-02, IR.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 34-2
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
34. Navigation
Change
Sequence No. Item 1 2 3 4 Bar

34-02 SURV Overhead Panel

34-02-01 T.O SURV pb-sw OFF

Light

34-02-01A D 1 0 May be inoperative.

34-02-02 ROW/ROP pb-sw OFF

Light

34-02-02A D 1 0 May be inoperative.

34-02-31 T.O SURV pb-sw

34-02-31A C 1 0 (O) May be inoperative.

34-02-32 ROW/ROP pb-sw

34-02-32A OFF position inoperative C 1 0 (O) The OFF position of the

ROW/ROP pb-sw may be inoperative.

34-02-32B ON position inoperative C 1 0 (O) The ON position (standard

position) of the ROW/ROP pb-sw may
be inoperative provided that:
1) BTV is considered inoperative,
and
2) ROW/ROP is considered
inoperative.

Refer to Item 32-42-25, BTV.

34-11 ADR Probes

34-12 ADIRS

34-12-01 ADR

34-12-01A Equipped with PFCS C 3 2 (O) One may be inoperative provided

X10.0 std that the associated ADR pb is set to
(Aircraft with OFF.
MP L43234/
MOD 111739)

34-12-01B Not equipped with PFCS A 3 2 (O) One may be inoperative for
X10.0 std 10 consecutive calendar-days
(Aircraft without provided that the associated ADR pb
MP L43234/ is set to OFF.
MOD 111739)

34-12-02 IR

34-12-02A C 3 2 (O) One may be inoperative provided

that the associated IR pb is set to
OFF.

34-13 Air Data

34-13-01 MFP TAT Function

34-13-01A C 3 1 (O) One or two may be inoperative.

34-17 Switching Panel on the

Main Instrument Panel

34-17-01 AIR DATA selector

34-17-01A C 1 0 (O) The CAPT ON BKUP position or

the F/O ON BKUP position may be
inoperative provided that the AIR
DATA selector is set to the AUTO
position.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 34-6
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
34. Navigation
Change
Sequence No. Item 1 2 3 4 Bar

34-20 Standby Navigation

Systems

*** indication inoperative the affected ISIS is set to SND.
and affected ISIS set
to SND

34-20-05B All Mach number C – 0 All may be inoperative.

indications on SFD
inoperative

34-20-06 LS Indication on SFD

34-20-06A One LS indication D 2 1 One may be inoperative provided that

*** inoperative and affected the affected ISIS is set to SND.
ISIS set to SND

34-20-06B All LS indications on C – 0 All may be inoperative.

SFD inoperative

34-20-07 Position Indication

on ISIS

34-20-07A C – 0 May be inoperative.

34-20-08 Heading Indication

on ISIS

34-20-08A C – 0 May be inoperative.

34-20-09 Track Indication on ISIS

34-20-09A C – 0 May be inoperative.

34-20-10 Bugs Function on SFD

34-20-10A D – 0 May be inoperative.

34-20-11 Ground Speed Indication

*** on SND

34-20-11A D 2 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 34-9
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
34. Navigation
Change
Sequence No. Item 1 2 3 4 Bar

34-22 Attitude and Heading

Standby Data

34-22-01 Standby Compass

Indicator

34-22-01A C 1 0 May be inoperative provided that:

1) The three IRs are operative,
and
2) The heading indication is
operative on ISIS.

34-22-02 Standby Compass

Lighting

34-22-02A C 1 0 May be inoperative.

34-23 Sensors

34-23-01 Standby Pitot Probe

34-23-01A A 1 0 May be inoperative for three flights

provided that:
1) The three ADRs are operative,
and
2) One AP is operative, and
3) The autothrust is operative,
and
4) The AFS control panel is
operative, and
5) The airspeed indication on
SFD is placarded inoperative
and is not used.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 34-10
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
34. Navigation
Change
Sequence No. Item 1 2 3 4 Bar

34-36 Multi-Mode Receiver

(MMR) Functions

34-36-01 MMR

34-36-01A One inoperative C 2 1 (O) One may be inoperative.

(Aircraft without
MP L41151/
MOD 100422)

34-36-01B One inoperative C 2 1 (O) One may be inoperative provided

(Aircraft with that approach and landing procedures
MP L41151/ are not based on the use of the GLS
MOD 100422) and the SLS.

34-36-01C Both inoperative out of B 2 0 (O) Both may be inoperative provided |

the Single European Sky that: |
1) One VOR and one DME are
operative, and
2) Navigation procedures are not
based on the use of the GNSS,
and
3) Approach and landing
procedures are not based on
the use of the GNSS and
landing systems, and
4) Operations in airspaces
requiring operative ADS-B
reporting are not conducted
unless the appropriate
authorization is obtained from
the Air Navigation Service
provider(s) in charge of the
intended route, and |
5) Operations are not conducted |
in the Single European Sky. |

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 34-11
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
34. Navigation
Change
Sequence No. Item 1 2 3 4 Bar

34-36 Multi-Mode Receiver

(MMR) Functions

34-36-01 MMR
(Cont’d)

34-36-01D Both inoperative in the A 2 0 (O) Both may be inoperative for |

34-36-02 ILS

34-36-02A One ILS inoperative C 2 1 (O) One may be inoperative provided

that approach minimums do not
require its use.

34-36-02B Both ILSs inoperative C 2 0 (O) Both may be inoperative provided

that the ILS is not required by 14 CFR.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 34-12
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
34. Navigation
Change
Sequence No. Item 1 2 3 4 Bar

34-36 Multi-Mode Receiver

(MMR) Functions

34-36-04 FLS

34-36-04A One FLS inoperative C 2 1 One may be inoperative.

34-36-04B Both FLSs inoperative C 2 0 (O) Both may be inoperative.

34-36-05 GLS
*** (Aircraft with
MP L41151/
MOD 100422)

34-36-05A D 2 0 (O) One or both may be inoperative

provided that approach and landing
procedures are not based on the use
of the GLS.

34-36-06 SLS
*** (Aircraft with
MP L41152/
MOD 100423)

34-36-06A D 2 0 (O) One or both may be inoperative

provided that approach and landing
procedures are not based on the use
of the SLS.

34-38 Airport Navigation

34-38-01 Airport Navigation

Function

34-38-01A C 2 0 (O) May be inoperative on one or both

sides.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 34-13
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
34. Navigation
Change
Sequence No. Item 1 2 3 4 Bar

34-42 Radio Altimeter

34-42-01 Radio Altimeter

34-42-01A One radio altimeter C 3 2 One may be inoperative.

inoperative

34-42-01B One radio altimeter C 3 2 (M) One may be erroneous provided

erroneous and that the affected RA is deactivated.
deactivated

34-42-01C Two radio altimeters C 3 1 (M)(O) Two may be inoperative or

inoperative or erroneous erroneous provided that:
1) The two affected RA are
deactivated, and
2) Approach minimums do not
require its use.

34-50 Radio/GNSS Navigation

Systems

34-50-01 GNSS

34-50-01A One inoperative C 2 1 (O) One may be inoperative.

(Aircraft without
MP L41151/
MOD 100422)

34-50-01B One inoperative C 2 1 (O) One may be inoperative provided

(Aircraft with that approach and landing procedures
MP L41151/ are not based on the use of the GLS
MOD 100422) and the SLS.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 34-14
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
34. Navigation
Change
Sequence No. Item 1 2 3 4 Bar

34-50 Radio/GNSS Navigation

Systems

34-50-01 GNSS
(Cont’d)

34-50-01C Both inoperative C 2 0 (O) Both may be inoperative provided

that:
1) One DME is operative, and
2) Navigation, approach, and
landing procedures are not
based on the use of the GNSS,
and
3) Operations in airspaces
requiring operative ADS-B
reporting are not conducted
unless the appropriate
authorization is obtained from
the Air Navigation Service
provider(s) in charge of the
intended route.

34-50-01D Both inoperative in the A 2 0 (O) Both may be inoperative for |

Single European Sky 3 consecutive calendar-days provided |
that: |
1) One DME is operative, and |
2) Navigation, approach, and |
landing procedures are not |
based on the use of the GNSS, |
and |
3) Operations in airspaces |
requiring operative ADS-B |
reporting are not conducted |
unless the appropriate |
authorization is obtained from |
the Air Navigation Service |
provider(s) in charge of the |
intended route. |
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 34-15
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
34. Navigation
Change
Sequence No. Item 1 2 3 4 Bar

34-50 Radio/GNSS Navigation

Systems

34-50-02 DME

34-50-02A One DME inoperative D 2 1 One may be inoperative.

(Aircraft with
MP L41159/
MOD 100373)

34-50-02B All DMEs inoperative C – 0 (O) May be inoperative provided that:

1) Navigation and approach
procedures are not based on
the use of the DME, and
2) The DME is not required by
14 CFR.

34-50-03 VOR

34-50-03A One VOR inoperative D 2 1 (O) One may be inoperative.

(Aircraft with
MP L41159/
MOD 100373)

34-50-03B All VORs inoperative C – 0 (O) May be inoperative provided that:

1) Two FMCs are operative, and
2) Navigation and approach
procedures are not based on
the use of the VOR, and
3) The VOR is not required by
14 CFR.

34-50-04 Marker

34-50-04A C 1 0 May be inoperative provided that

approach procedures do not require
marker fixes.

34-50-05 ADF
***

34-50-05A D – 0 May be inoperative provided that

navigation and approach procedures
are not based on the use of the
affected ADF.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 34-16
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
34. Navigation
Change
Sequence No. Item 1 2 3 4 Bar

34-71 Aircraft Environment

Surveillance System
(AESS)

34-71-01 Surveillance System

34-71-01A C 2 1 (O) One may be inoperative.

34-71-02 TAWS

34-71-02A One TAWS inoperative C 2 1 One may be inoperative.

34-71-02B Both TAWS inoperative A 2 0 (O) Both may be inoperative provided

that:
1) Alternate procedures are
established and used, and
2) Repairs are made within
2 consecutive calendar-days.

34-71-03 GPWS

34-71-03A One GPWS inoperative C 2 1 One may be inoperative.

34-71-03B Both GPWS inoperative A 2 0 (O) Both may be inoperative provided

that:
1) Alternate procedures are
established and used, and
2) Repairs are made within
2 consecutive calendar-days.

NOTE: Operator’s alternate

procedures should include
reviewing windshear
avoidance and windshear
recovery procedures.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 34-17
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
34. Navigation
Change
Sequence No. Item 1 2 3 4 Bar

34-71 Aircraft Environment

Surveillance System
(AESS)

34-71-04 Terrain Functions

34-71-04A One terrain function C 2 1 One may be inoperative.

inoperative

34-71-04B Both terrain functions B 2 0 (O) Both may be inoperative provided

inoperative that alternate procedures are
established and used.

34-71-05 Transponder

34-71-05A One transponder C 2 1 (O) One may be inoperative.

inoperative

34-71-05B Both transponders B 2 0 May be inoperative provided that:

inoperative 1) Operations do not require its
use, and
2) Prior to flight, approval is
obtained from ATC facilities
having jurisdiction over the
planned route of flight.

34-71-06 TCAS

34-71-06A One TCAS inoperative C 2 1 (O) One may be inoperative.

34-71-06B Both TCAS inoperative B 2 0 (O) Both may be inoperative provided

that:
1) The system is checked in
STBY mode, and
2) Enroute procedures do not
require their use.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 34-18
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
34. Navigation
Change
Sequence No. Item 1 2 3 4 Bar

34-71 Aircraft Environment

Surveillance System
(AESS)

34-71-07 ADS-B TRAFFIC

Function

34-71-07A One ADS-B TRAFFIC C 2 1 (O) One may be inoperative.

function inoperative

34-71-07B Both ADS-B TRAFFIC D 2 0 Both may be inoperative provided that

functions inoperative it is not required by 14 CFR.

34-71-08 Weather Radar Function

34-71-08A One inoperative D 2 1 (O) One may be inoperative.

34-71-08B Both inoperative in day C 2 0 Both may be inoperative provided that:

VMC 1) They are not required by
14 CFR, and
2) ETOPS beyond 120 minutes is
not conducted, and
3) Night operations are not
conducted, and
4) Operations are conducted in
VMC only.

34-71-08C Both inoperative without C 2 0 Both may be inoperative provided that

hazardous weather no potentially hazardous weather
conditions forecast conditions (e.g., thunderstorms) are
forecast along the intended route.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 34-19
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350
3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
34. Navigation
Change
Sequence No. Item 1 2 3 4 Bar

34-71 Aircraft Environment

Surveillance System
(AESS)

34-71-09 Predictive Windshear

Function

34-71-09A One predictive D 2 1 (O) One may be inoperative.

windshear function
inoperative

34-71-09B Both predictive C 2 0 (O) May be inoperative provided that:

windshear functions 1) Alternate procedures are
inoperative with reactive established and used, and
windshear function 2) Reactive windshear operates
normally.

34-71-09C Both predictive B 2 0 (O) May be inoperative provided that

windshear functions alternate procedures are established
inoperative without and used.
reactive windshear
function NOTE: Operator’s alternate
procedures should include
reviewing windshear
avoidance and windshear
recovery procedures.

34-71-10 SURV Control Panel

34-71-10A C 1 0 (O) May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 35-1
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
35. Oxygen
Change
Sequence No. Item 1 2 3 4 Bar

35-01 OXYGEN Overhead

Panel

35-01-01 CREW SUPPLY pb-sw

OFF light

35-01-01A C 1 0 May be inoperative.

35-01-02 PAX SYS ON light

35-01-02A C 1 0 May be inoperative.

35-01-31 MASK MAN ON pb

35-01-31A Automatic control C 1 0 May be inoperative provided that the

function operative automatic control of the passenger
oxygen masks is operative.

35-01-31B Automatic control C 1 0 May be inoperative provided that the

function inoperative operating altitude is limited to
10,000 ft. (3,000 m).

35-02 OXYGEN
MAINTENANCE
Overhead Panel

35-02-01 RESET pb FAULT light

35-02-01A C 1 0 May be inoperative.

35-02-02 RESET pb ON light

35-02-02A C 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 35-2
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
35. Oxygen
Change
Sequence No. Item 1 2 3 4 Bar

35-07 Indications on the

DOOR/OXYGEN
SD page

35-07-01 REGUL PR LO
Indication on the
DOOR/OXYGEN
SD page

35-07-01A C 2 0 (M) One or both may be inoperative

provided that the oxygen pressure on
the affected side is checked before the
first flight of each day.

NOTE: On ground, it may be

necessary to delay FWD cargo
compartment loading to permit
access to the oxygen bottles.

35-07-02 Crew Oxygen Bottle

Pressure Monitoring on
the DOOR/OXYGEN SD
page

35-07-02A C 2 0 (M) One or both may be inoperative

provided that the oxygen pressure is
checked by direct reading on the
associated pressure gauge before
each flight.

NOTE: On ground, it may be

necessary to delay FWD cargo
compartment loading to permit
access to the oxygen bottles.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 35-3
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
35. Oxygen
Change
Sequence No. Item 1 2 3 4 Bar

35-10 Crew Oxygen

35-10-01 Crew Oxygen Mask

35-10-01A C 4 – Each occupant of the cockpit must

have its assigned mask operative.

35-10-02 Crew Oxygen Mask

Microphone

35-10-02A C 4 2 One must be operative for each pilot.

35-10-03 Crew Oxygen Bottle

(Aircraft with
MP L60334/
MOD 100846)

35-10-03A D 4 2 (M)(O) One on each side may be

inoperative provided that:
1) The oxygen pressure is
checked before each flight,
and
2) The associated manual
isolation valve is set to the
closed position.

35-10-04 Exterior Crew Oxygen

Discharge Indicator
(Green Disc)

35-10-04A C 2 0 One or both may be missing or

damaged.

35-10-05 Crew Oxygen Supply

Valve

35-10-05A C 2 0 (M) One or both may be inoperative in

the open position provided that the
affected valve is deactivated in the
open position.

35-10-06 Oxygen Control

Redundancy

35-10-06A A 1 0 May be inoperative for

10 consecutive calendar-days.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 35-4
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
35. Oxygen
Change
Sequence No. Item 1 2 3 4 Bar

35-20 Cabin Oxygen

35-20-01 Automatic Control of the

Passengers’ Oxygen
Masks

35-20-01A Manual control checked A 1 0 (M) May be inoperative for

operative 10 consecutive calendar-days
provided that:
1) The operating altitude is limited
to FL 300, and
2) The manual control of the
passengers’ oxygen masks is
checked operative if the MSA
along the intended route is
above 10,000 ft. (3,000 m).

35-20-01B Manual control checked C 1 0 (M) May be inoperative provided that:

operative before each 1) The operating altitude is limited
flight to FL 300, and
2) The manual control of the
passengers’ oxygen masks is
checked operative before each
flight if the MSA along the
intended route is above
10,000 ft. (3,000 m).

35-20-02 Flight Attendant and

Passenger Individual
Oxygen Module

35-20-02A Affected seat not used C – – One or more may be inoperative

provided that the affected seat is
considered inoperative.

Refer to Item 25-22-01, Flight

Attendant Seat, or Item 25-21-01,
Passenger Seat.

35-20-02B Altitude limited to C – 0 One or more may be inoperative

10,000 ft. (3,000 m) provided that the operating altitude is
limited to 10,000 ft. (3,000 m).
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 35-5
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
35. Oxygen
Change
Sequence No. Item 1 2 3 4 Bar

35-20 Cabin Oxygen

35-20-03 Galley Oxygen Module

35-20-03A Adjacent flight attendant C – 0 (O) One or more may be inoperative

oxygen module available and the associated galley area may be
occupied provided that:
1) An adjacent flight attendant
individual oxygen module is
available and visible for each
occupant of the associated
galley area, and
2) The affected module is
placarded inoperative.

35-20-03B Associated galley area C – 0 One or more may be inoperative

not occupied provided that the associated galley
area is not occupied.

35-20-04 Lavatory Oxygen Module

35-20-04A C – – One or more may be inoperative

provided that the associated lavatory
is not used and is placarded
inoperative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 35-6
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
35. Oxygen
Change
Sequence No. Item 1 2 3 4 Bar

35-20 Cabin Oxygen

35-20-05 Manual Release Tool

***

35-20-05A C – 1 One must be available.

35-20-06 FCRC/CCRC Individual

*** Oxygen Module

35-20-06A D – 0 One or more may be inoperative

provided that:
1) The associated bunk bed or
seat is considered inoperative, |
and
2) Procedures do not require its
use.

Refer to Item 25-50-01, Crew Rest |

Compartment Bunk Bed, or |
Item 25-50-02, Flightcrew Rest |
Compartment Seat. |
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 35-7
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
35. Oxygen
Change
Sequence No. Item 1 2 3 4 Bar

*** inoperative missing provided that proper
installation and servicing is verified at
each preflight.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 36-1
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
36. Pneumatic
Change
Sequence No. Item 1 2 3 4 Bar

36-01 AIR Overhead Panel

36-01-01 ENG 1(2) BLEED pb-sw

FAULT Light

36-01-01A C 2 0 One or both may be inoperative.

36-01-02 ENG 1(2) BLEED pb-sw

OFF Light

36-01-02A C 2 0 One or both may be inoperative.

36-01-03 APU BLEED pb-sw

FAULT Light

36-01-03A C 1 0 May be inoperative.

36-01-04 APU BLEED pb-sw

ON Light

Supply System

36-11-05 Engine Bleed IP

Check Valve

36-11-05A Associated bleed A 2 1 One may be inoperative for

considered inoperative 10 flight-days provided that the
(Aircraft with associated engine bleed air system is
MP L44215/ considered inoperative.
MOD 114075)
Refer to Item 36-11-01, Engine Bleed
Air System.

36-11-05B Inoperative in the open C 2 1 (M)(O) One may be inoperative in the

position open position provided that:
1) The non-affected engine bleed
air system is operative, and
2) The associated engine high
pressure valve is deactivated
in the closed position, and
3) At low power setting, the
associated engine bleed air
system is not used during taxi
and descent.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 36-5
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350
3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
36. Pneumatic
Change
Sequence No. Item 1 2 3 4 Bar

36-11 Engine Bleed Air

Supply System

36-11-06 Engine HP Bleed Valve

36-11-06A One valve inoperative in C 2 1 (O) One may be inoperative in the

the closed position closed position provided that:
1) The opposite engine bleed air
system is operative, and
2) The associated engine bleed
air system is not used during
taxi and descent.

36-11-06B One valve deactivated in C 2 1 (M)(O) One may be inoperative

the closed position provided that:
1) The affected engine HP bleed
valve is deactivated in the
closed position, and
2) The opposite engine bleed air
system is operative, and
3) At low power setting, the
associated engine bleed air
system is not used during taxi
and descent.

36-11-07 Engine Bleed Pressure

Monitoring

36-11-07A C 2 0 One or both may be inoperative.

36-11-08 Engine HP Bleed Valve

Monitoring

36-11-08A C 2 0 (O) One or both may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 36-6
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350
3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
36. Pneumatic
Change
Sequence No. Item 1 2 3 4 Bar

36-11 Engine Bleed Air

Supply System

36-11-09 Engine Bleed Control

(Aircraft with
MP L44215/
MOD 114075)

36-11-09A A 2 1 One may be inoperative for

10 flight-days provided that the
associated engine bleed air system is
considered inoperative.

Refer to Item 36-11-01, Engine Bleed

Air System.

36-11-10 Engine Bleed Monitoring

(Aircraft with
MP L44215/
MOD 114075)

36-11-10A A 2 1 One may be inoperative for

10 flight-days provided that the
associated engine bleed air system is
considered inoperative.

Refer to Item 36-11-01, Engine Bleed

Air System.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 36-7
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350
3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
36. Pneumatic
Change
Sequence No. Item 1 2 3 4 Bar

36-11 Engine Bleed Air

Supply System

36-11-11 Engine Bleed Monitoring

and Control
(Aircraft with
MP L44215/
MOD 114075)

36-11-11A A 2 1 (M) One may be inoperative for

10 flight-days provided that:
1) The associated HP bleed valve
and the associated engine
bleed valve are deactivated
and secured in the closed
position, and
2) The associated engine bleed
overpressure valve is secured
in the open position, and
3) The associated engine bleed
air system is considered
inoperative.

Refer to Item 36-11-01, Engine Bleed

Air System.

36-11-12 Engine Bleed

Temperature
Redundancy
(Aircraft with
MP L44215/
MOD 114075)

36-11-12A A 2 1 One may be inoperative for

10 flight-days provided that the
associated engine bleed air system is
considered inoperative.

Refer to Item 36-11-01, Engine Bleed

Air System.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 36-8
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
36. Pneumatic
Change
Sequence No. Item 1 2 3 4 Bar

36-12 APU Bleed Air Supply

and Crossbleed Systems

36-12-01 APU Bleed Air Supply

36-12-01A C 1 0 (O) May be inoperative provided that

the APU BLEED pb-sw is set to OFF.

36-12-02 APU Bleed Valve

36-12-02A APU bleed valve C 1 0 May be inoperative in the open

inoperative open without position provided that the APU is
a blanking plate installed considered inoperative.

Refer to Item 49-10-01, APU

Powerplant.

36-12-02B APU bleed valve C 1 0 (M) May be inoperative provided that:

inoperative open with a 1) AIR BLEED LEAK DET
blanking plate installed message is not displayed on
the DISPATCH page, and
2) A blanking plate is installed
next to the APU bleed valve,
and
3) The APU bleed is considered
inoperative.

Refer to Item 36-12-01, APU Bleed Air

Supply.

36-12-03 Automatic Control of the

Xbleed Valve

36-12-03A C 1 0 (O) May be inoperative provided that

the manual control is checked
operative.

36-12-04 Manual Control of the

Xbleed Valve

36-12-04A C 1 0 (O) May be inoperative provided that

the automatic control is checked
operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 36-9
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
36. Pneumatic
Change
Sequence No. Item 1 2 3 4 Bar

36-22 Leak Detection

36-22-01 Air Leak Detection

Redundancy

36-22-01A ISB A350-36-P032 not C 1 0 May be inoperative provided that the

applicable ISB A350-36-P032 is not applicable.

36-22-01B ISB A350-36-P032 C 1 0 May be inoperative provided that the |

applied ISB A350-36-P032 has already been
applied.

36-22-01C One or both wing anti-ice C 1 0 (M) May be inoperative in one or both
zones affected wing anti-ice zones provided that:
1) It is checked that a bleed leak
can be detected in the affected
wing anti-ice zone(s), and
2) It is checked before each flight
that the failure does not affect
a wing anti-ice zone that is not
checked as per proviso 1).

36-22-01D No wing anti-ice zone C 1 0 (M) May be inoperative provided that it |

affected is checked before each flight that the
failure does not affect any wing
anti-ice zone.

36-22-02 Air APU Bleed Leak

Detection

36-22-02A C 1 0 (M) May be inoperative provided that:

1) The APU check valve is
removed and replaced by a
dual blanking plate, and
2) A blanking plate is installed
next to the APU bleed valve,
and
3) The APU bleed is considered
inoperative.

Refer to Item 36-12-01, APU Bleed Air

Supply.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 36-10
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
36. Pneumatic
Change
Sequence No. Item 1 2 3 4 Bar

36-22-03 Air APU Duct

36-22-03A C 1 0 (M) May be inoperative provided that:

1) The APU bleed valve is
operative, and
2) AIR APU BLEED LEAK DET
message is not displayed on
the DISPATCH page, and
3) The APU check valve is
removed and replaced by a
dual blanking plate, and
4) A blanking plate is installed
next to the APU bleed valve,
and
5) The APU bleed is considered
inoperative.

Refer to Item 36-12-01, APU Bleed Air

Supply.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 4 PAGE NO. 38-1
DATE: 05/01/2019
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
38. Water/Waste
Change
Sequence No. Item 1 2 3 4 Bar

38-10 Potable Water

38-10-01 Potable Water System

38-10-01A Individual components C – – (M) Individual components may be

inoperative inoperative provided that:
1) Associated components are
deactivated or isolated, and
2) Associated system
components are verified not to
have leaks.

NOTE: Any portion of the system

which operates normally may
be used.

38-10-01B System is drained C – – (M) May be inoperative provided that:

1) System is drained, and
2) Procedures are established to
ensure system is not serviced.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 4 PAGE NO. 38-2
DATE: 05/01/2019
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
38. Water/Waste
Change
Sequence No. Item 1 2 3 4 Bar

38-30 Lavatory Waste

38-30-01 Lavatory Waste System

38-30-01A Individual components C – – (M) Individual components may be

inoperative inoperative provided that:
1) Associated components are
deactivated or isolated, and
2) Associated system
components are verified not to
have leaks.

NOTE: Any portion of the system

which operates normally may
be used.

38-30-01B Associated lavatory C – – (M) Associated lavatory system(s)

systems inoperative may be inoperative provided that:
1) Associated components are
deactivated or isolated to
prevent leaks, and
2) The pilot in command will
determine if flight duration is
acceptable with a FWD deck
lavatory unusable, and
3) Associated lavatory door(s) is
secured closed and placarded
“INOPERATIVE –
DO NOT ENTER”.

NOTE: These provisions are not

intended to prohibit inspections
by crewmembers.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 4 PAGE NO. 38-3
DATE: 05/01/2019
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
38. Water/Waste
Change
Sequence No. Item 1 2 3 4 Bar

38-30 Lavatory Waste

38-30-02 Vacuum Generator

Systems (Toilet)

38-30-02A C – – (M)(O) May be inoperative provided

that:
1) Vacuum generator is
deactivated, and
2) Procedures are established
and used to only allow use of
the associated lavatory at or
above 16,000 ft. MSL.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-1
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-09 AFDX Network

42-09-01 AVIONICS NETWORK

SW OR CABLE
Message

42-09-01A Switches 03, 04 checked C – – (M)(O) May be displayed on the

operative and CAPT DISPATCH page provided that:
KCCU not used on ND 1) Switch 03 and switch 04 are
and OIS checked operative, and
(Aircraft without 2) The CDS CENTER LOWER
MP L43494/ DU ACCESS message is not
MOD 112469 and displayed on the DISPATCH
MP L48350/ page, and
MOD 113559) 3) Both inner DUs are operative,
and
4) The CAPT KCCU is not used
on the ND or OIS, and
5) The navigation keys, the ND
key, and the OIS key on the
CAPT KCCU are placarded
inoperative and are not used.

42-09-01B Switches 01, 02, 03, 04 C – – (M) May be displayed on the

checked operative DISPATCH page provided that:
(Aircraft without 1) Switches 01, 02, 03 and 04 are
MP L43494/ checked operative, and
MOD 112469 and 2) The CDS CENTER LOWER
MP L48350/ DU ACCESS message is not
MOD 113559) displayed on the DISPATCH
page, and
3) Both inner DUs are operative.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-2
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-09 AFDX Network

42-09-01 AVIONICS NETWORK

SW OR CABLE
Message
(Cont’d)

42-09-01C Switches 03 and 04 are C – – (M) May be displayed on the

checked operative DISPATCH page provided that switch
(Aircraft without 03 and switch 04 are checked
MP L43494/ operative.
MOD 112469 and
with MP L48350/
MOD 113559)

42-09-01D Both MODS installed C – – May be displayed on the DISPATCH

(Aircraft with page.
MP L43494/
MOD 112469 and
MP L48350/
MOD 113559)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-3
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350
3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-11 CPIOM

42-11-01 CPIOM H32

(Aircraft with
MP L44215/
MOD 114075)

42-11-01A C 1 0 May be inoperative provided that no

other CPIOM or CRDC dispatch
messages are displayed on the
DISPATCH page.

NOTE: The AFT and FWD cargo

doors must be operated
manually.

42-11-02 CPIOM H33

(Aircraft with
MP L44215/
MOD 114075)

42-11-02A A 1 0 May be inoperative for

10 consecutive calendar-days
provided that no other CPIOM or
CRDC dispatch messages are
displayed on the DISPATCH page.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-4
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350
3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-11 CPIOM

42-11-03 CPIOM H34

(Aircraft with
MP L44215/
MOD 114075)

42-11-03A A 1 0 May be inoperative for

10 consecutive calendar-days
provided that no other CPIOM or
CRDC dispatch messages are
displayed on the DISPATCH page.

42-11-04 CPIOM H41

42-11-04A C 1 0 (O) May be inoperative provided that:

1) No other CPIOM or CRDC
dispatch messages are
displayed on the DISPATCH
page, and
2) All pack control channels are
operative.

42-11-05 CPIOM H42

42-11-05A C 1 0 (O) May be inoperative provided that:

1) No other CPIOM or CRDC
dispatch messages are
displayed on the DISPATCH
page, and
2) All pack control channels are
operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-5
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-11 CPIOM

42-11-06 CPIOM H43

(Aircraft with
MP L44215/
MOD 114075)

42-11-06A A 1 0 (O) May be inoperative for

10 flight-days provided that:
1) No other CPIOM or CRDC
dispatch messages are
displayed on the DISPATCH
page, and
2) The APU and APU bleed air
supply are operative, and
3) The engine bleed air system 2
is operative, and
4) The engine bleed air system 1
is considered inoperative.

Refer to Item 36-11-01, Engine Bleed

Air System.

42-11-07 CPIOM H44

(Aircraft with
MP L44215/
MOD 114075)

42-11-07A A 1 0 (O) May be inoperative for

42-11-13 CPIOM J21

42-11-13A C 1 0 (O) May be inoperative provided that:

1) No other CPIOM or CRDC
dispatch messages are
displayed on the DISPATCH
page, and
2) The Engine Interface Function
(EIF) 2 on engine 1 is
operative, and
3) The APU and the AC auxiliary
generation are operative.

42-11-14 CPIOM J22

42-11-14A C 1 0 (O) May be inoperative provided that:

1) No other CPIOM or CRDC
dispatch messages are
displayed on the DISPATCH
page, and
2) The Engine Interface Function
(EIF) 1 on engine 2 is
operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-9
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-11 CPIOM

42-11-15 CPIOM J23

42-11-15A CPIOM J23 inoperative C 1 0 (O) May be inoperative provided that:

and no other 1) No other CPIOM or CRDC
CRDC/CPIOM dispatch messages are
inoperative displayed on the DISPATCH
page, and
2) The Engine Interface Function
(EIF) 1 on engine 1 is
operative.

42-11-15B CPIOM J23 inoperative B 1 0 (O) May be inoperative provided that:

combined with another 1) Only one other CRDC or one
CRDC/CPIOM other CPIOM is failed in
inoperative addition to CPIOM J23 and is
part of the authorized
combinations as given in the
associated (O) procedure, and
2) The Engine Interface Function
(EIF) 1 on engine 1 is
operative.

42-11-16 CPIOM J24

42-11-16A C 1 0 (O) May be inoperative provided that:

1) No other CPIOM or CRDC
dispatch messages are
displayed on the DISPATCH
page, and
2) The Engine Interface Function
(EIF) 2 on engine 2 is
operative, and
3) The APU and the AC auxiliary
generation are operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-10
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-11 CPIOM

42-11-17 CPIOM J51

42-11-17A Procedures do not D 1 0 (O) May be inoperative provided that:

require ATC datalink and 1) No other CPIOM or CRDC
no other CPIOM/CRDC dispatch messages are
inoperative displayed on the DISPATCH
page, and
2) Procedures do not require the
use of the ATC datalink.

42-11-17B Procedures require ATC C 1 0 (O) May be inoperative provided that:

datalink and no other 1) No other CPIOM or CRDC
CRDC/CPIOM dispatch messages are
inoperative displayed on the DISPATCH
page, and
2) Alternate procedures are
established and used for ATC
communication.

42-11-17C Procedures do not B 1 0 (O) May be inoperative provided that:

require ATC datalink 1) Only one other CRDC or one
combined with another other CPIOM is failed in
CRDC/CPIOM addition to CPIOM J51 and is
inoperative part of the authorized
combinations as given in the
associated (O) procedure, and
2) Procedures do not require the
use of the ATC datalink.

42-11-17D Procedures require ATC B 1 0 (O) May be inoperative provided that:

datalink combined with 1) Only one other CRDC or one
another CRDC/CPIOM other CPIOM is failed in
inoperative addition to CPIOM J51 and is
part of the authorized
combinations as given in the
associated (O) procedure, and
2) Alternate procedures are
established and used for ATC
communication.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-11
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-11 CPIOM

42-11-19 CPIOM J72

42-11-19A A 1 0 (M)(O) May be inoperative for

10 consecutive calendar-days
provided that:
1) No other CPIOM or CRDC
dispatch messages are
displayed on the DISPATCH
page, and
2) The monitoring of the stabilizer
by the FWS is checked
operative, and
3) The monitoring of the elevators
by the FWS is checked
operative, and
4) The pitch trim position is
checked on both PFDs.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-12
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-31 AVIONICS NETWORK |

COM REDUNDANCY |

42-31-01 Avionics Network A |

Communication |
Redundancy |

42-31-01A (Aircraft with C 1 0 May be inoperative. |

MP L43494/ |
MOD 112469 and |
MP L48527/ |
MOD 115477) |

42-31-01B (Aircraft with C 1 0 May be inoperative provided that the |

MP L48527/ CDS CENTER LOWER DU ACCESS |
MOD 115477) message is not displayed on the |
DISPATCH page. |

42-31-02 Avionics Network B |

Communication |
Redundancy |

42-31-02A (Aircraft with A 1 0 May be inoperative for |

MP L43494/ 10 consecutive calendar-days. |
MOD 112469 and |
MP L48527/ |
MOD 115477) |

42-31-02B (Aircraft with C 1 0 May be inoperative provided that the |

MP L48527/ CDS CENTER LOWER DU ACCESS |
MOD 115477) message is not displayed on the |
DISPATCH page. |
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-13
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-41 CRDC

42-41-01 CRDC A01

42-41-01A A 1 0 (O) May be inoperative for

10 consecutive calendar-days
provided that no other dispatch
message associated with CPIOM or
CRDC is displayed on the DISPATCH
page.

42-41-02 CRDC A02

42-41-02A CRDC A02 inoperative A 1 0 (M)(O) May be inoperative for

and no other 10 consecutive calendar-days
CRDC/CPIOM provided that:
inoperative 1) No other CPIOM or CRDC
dispatch messages are
displayed on the DISPATCH
page, and
2) The landing gear gravity
extension channel B is
checked operative before each
flight.

42-41-02B CRDC A02 inoperative B 1 0 (M)(O) May be inoperative provided

combined with another that:
CRDC inoperative 1) Only one other CRDC is failed
in addition to CRDC A02 and is
part of the authorized
combinations as given in the
associated (O) procedure, and
2) The landing gear gravity
extension channel B is
checked operative before each
flight.

42-41-03 CRDC A03

42-41-03A C 1 0 (O) May be inoperative provided that

no other CPIOM or CRDC dispatch
messages are displayed on the
DISPATCH page.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-14
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-41 CRDC

42-41-04 CRDC A04

42-41-04A CRDC A04 inoperative C 1 0 (O) May be inoperative provided that

and no other no other CPIOM or CRDC dispatch
CRDC/CPIOM messages are displayed on the
inoperative DISPATCH page.
(Aircraft without
MP L41114/
MOD 100345)

42-41-04B CRDC A04 inoperative B 1 0 (O) May be inoperative provided that

combined with another only one other CRDC or one other
CRDC/CPIOM CPIOM is failed in addition to
inoperative CRDC A04 and is part of the
(Aircraft without authorized combinations as given in
MP L41114/ the associated (O) procedure.
MOD 100345)

42-41-04C CRDC A04 inoperative C 1 0 (O) May be inoperative provided that:

and no other 1) No other CPIOM or CRDC
CRDC/CPIOM dispatch messages are
inoperative displayed on the DISPATCH
(Aircraft with page,
MP L41114/ 2) The HF2 is set to VOICE mode
MOD 100345 and on ground, and
without MP L42004/ 3) The HF2 is not used during
MOD 108299) refueling, defueling, or ground
fuel transfer.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-15
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-41 CRDC

42-41-04 CRDC A04

(Cont’d)

42-41-04D CRDC A04 inoperative B 1 0 (O) May be inoperative provided that:

combined with another 1) Only one other CRDC or one
CRDC/CPIOM other CPIOM is failed in
inoperative addition to CRDC A04 and is
(Aircraft with part of the authorized
MP L41114/ combinations as given in the
MOD 100345 and associated (O) procedure, and
without MP L42004/ 2) The HF2 is set to VOICE mode
MOD 108299) on ground, and
3) The HF2 is not used during
refueling, defueling, or ground
fuel transfer.

42-41-04E CRDC A04 inoperative C 1 0 (O) May be inoperative provided that

and no other no other CPIOM or CRDC dispatch
CRDC/CPIOM messages are displayed on the
inoperative DISPATCH page.
(Aircraft with
MP L41114/
MOD 100345 and
MP L42004/
MOD 108299)

42-41-04F CRDC A04 inoperative B 1 0 (O) May be inoperative provided that

combined with another only one other CRDC or one other
CRDC/CPIOM CPIOM is failed in addition to
inoperative CRDC A04 and is part of the
(Aircraft with authorized combinations as given in
MP L41114/ the associated (O) procedure.
MOD 100345 and
MP L42004/
MOD 108299)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-16
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-41 CRDC

42-41-05 CRDC A05

42-41-05A CRDC A05 inoperative C 1 0 (O) May be inoperative provided that:

and no other 1) No other CPIOM or CRDC
CRDC/CPIOM dispatch messages are
inoperative displayed on the DISPATCH
(Aircraft without page, and
MP L41114/ 2) The HF1 is set to VOICE mode
MOD 100345 and on ground, and
MP L42004/ 3) The HF1 is not used during
MOD 108299) refueling, defueling, or ground
fuel transfer.

42-41-05B CRDC A05 inoperative B 1 0 (O) May be inoperative provided that:

combined with another 1) Only one other CRDC is failed
CRDC inoperative in addition to CRDC A05 and is
(Aircraft without part of the authorized
MP L41114/ combinations as given in the
MOD 100345 and associated (O) procedure, and
MP L42004/ 2) The HF1 is set to VOICE mode
MOD 108299) on ground, and
3) The HF1 is not used during
refueling, defueling, or ground
fuel transfer.

42-41-05C CRDC A05 inoperative B 1 0 (O) May be inoperative provided that:

combined with another 1) Only one other CRDC or one
CRDC/CPIOM other CPIOM is failed in
inoperative addition to CRDC A05 and is
(Aircraft without part of the authorized
MP L41114/ combinations as given in the
MOD 100345 and associated (O) procedure, and
MP L42004/ 2) The HF1 is set to VOICE mode
MOD 108299) on ground, and
3) The HF1 is not used during
refueling, defueling, or ground
fuel transfer.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-17
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-41 CRDC

42-41-05 CRDC A05

(Cont’d)

42-41-05D CRDC A05 inoperative C 1 0 (O) May be inoperative provided that

NOTE: On ground, it may be

necessary to delay FWD cargo
compartment loading to permit
access to the oxygen bottles.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-21
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-41 CRDC

42-41-14 CRDC A15

42-41-14A CRDC A15 inoperative C 1 0 (O) May be inoperative provided that:

and no other 1) No other CPIOM or CRDC
CRDC/CPIOM dispatch messages are
inoperative displayed on the DISPATCH
page, and
2) The BULK HEATER pb-sw is
set to OFF.

42-41-14B CRDC A15 inoperative B 1 0 (O) May be inoperative provided that:

combined with another 1) Only one other CRDC is failed
CRDC inoperative in addition to CRDC A15 and is
part of the authorized
combinations as given in the
associated (O) procedure, and
2) The BULK HEATER pb-sw is
set to OFF.

Lock Monitoring.

Refer to Item 21-60-03, Hot Air Valve

Pressure Regulation.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-26
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350
3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-41 CRDC

42-41-19 CRDC B04

(Aircraft with
MP L42454/
MOD 107650)

42-41-19A CRDC B04 inoperative A 1 0 May be inoperative for

and no other 3 consecutive calendar-days provided
CRDC/CPIOM that no other CPIOM or CRDC
inoperative dispatch messages are displayed on
the DISPATCH page.

42-41-19B CRDC B04 inoperative A 1 0 (O) May be inoperative for

combined with another 3 consecutive calendar-days provided
CRDC inoperative that only one other CRDC is failed in
addition to CRDC B04 and is part of
the authorized combinations as given
in the associated (O) procedure.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-27
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350
3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-41 CRDC

42-41-20 CRDC B05

(Aircraft with
MP L44215/
MOD 114075)

42-41-20A CRDC B05 inoperative A 1 0 May be inoperative for 10 flight-days

and no other provided that no other CPIOM or
CRDC/CPIOM CRDC dispatch messages are
inoperative displayed on the DISPATCH page.

42-41-20B CRDC B05 inoperative B 1 0 (O) May be inoperative provided that

combined with another only one other CRDC is failed in
CRDC inoperative addition to CRDC B05 and is part of
the authorized combinations as given
in the associated (O) procedure.

42-41-21 CRDC B06

(Aircraft with
MP L44215/
MOD 114075)

42-41-21A CRDC B06 inoperative A 1 0 May be inoperative for 10 flight-days

and no other provided that no other CPIOM or
CRDC/CPIOM CRDC dispatch messages are
inoperative displayed on the DISPATCH page.

42-41-21B CRDC B06 inoperative B 1 0 (O) May be inoperative provided that

combined with another only one other CRDC is failed in
CRDC inoperative addition to CRDC B06 and is part of
the authorized combinations as given
in the associated (O) procedure.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-28
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-41 CRDC

42-41-22 CRDC B07

42-41-22A CRDC B07 inoperative C 1 0 (M) May be inoperative provided that:

and no other 1) No other CPIOM or CRDC
CRDC/CPIOM dispatch messages are
inoperative displayed on the DISPATCH
page, and
2) The AFT avionics internal
access door is visually
checked closed before each
flight, and
3) Cabin door 4L lock monitoring
is considered inoperative.

Refer to Item 52-71-02, Cabin Door

Lock Monitoring.

42-41-22B CRDC B07 inoperative B 1 0 (M)(O) May be inoperative provided

combined with another that:
CRDC inoperative 1) Only one other CRDC is failed
in addition to CRDC B07 and is
part of the authorized
combinations as given in the
associated (O) procedure, and
2) The AFT avionics internal
access door is visually
checked closed before each
flight, and
3) Cabin door 4L lock monitoring
is considered inoperative.

Refer to Item 52-71-02, Cabin Door

Lock Monitoring.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-29
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-41 CRDC

42-41-23 CRDC B08

42-41-25B CRDC B10 inoperative B 1 0 (O) May be inoperative provided that

combined with another only one other CRDC is failed in
CRDC inoperative addition to CRDC B10 and is part of
(A350-900 Series) the authorized combinations as given
in the associated (O) procedure.

NOTE: The AFT cargo door must be

operated manually.

42-41-25C CRDC B10 inoperative C 1 0 May be inoperative provided that:

and no other 1) No other CPIOM or CRDC
CRDC/CPIOM dispatch messages are
inoperative displayed on the DISPATCH
(A350-1000 Series) page, and
2) Two radio altimeters are
operative, and
3) The right landing gear bogie
monitoring is operative.

NOTE: The AFT cargo door must be

operated manually.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-35
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-41 CRDC

42-41-25 CRDC B10

(Cont’d)

42-41-25D CRDC B10 inoperative B 1 0 (O) May be inoperative provided that

combined with another 1) Only one other CRDC is failed
CRDC inoperative in addition to CRDC B10 and is
(A350-1000 Series) part of the authorized
combinations as given in the
associated (O) procedure, and
2) Two radio altimeters are
operative, and
3) The right landing gear bogie
monitoring is operative.

NOTE: The AFT cargo door must be

operated manually.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-36
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350
3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-41 CRDC

42-41-26 CRDC B11

(Aircraft with
MP L42454/
MOD 107650)

42-41-26A CRDC B11 Inoperative A 1 0 May be inoperative for

and No Other 3 consecutive calendar-days provided
CRDC/CPIOM that no other CPIOM or CRDC
Inoperative dispatch messages are displayed on
the DISPATCH page.

42-41-26B CRDC B11 Inoperative A 1 0 (O) May be inoperative for

Combined with Another 3 consecutive calendar-days provided
CRDC Inoperative that only one other CRDC is failed in
addition to CRDC B11 and is part of
the authorized combinations as given
in the associated (O) procedure.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 42-37
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
42. Integrated Modular Avionics
Change
Sequence No. Item 1 2 3 4 Bar

42-41 CRDC

42-41-27 CRDC B12

42-41 CRDC

42-41-28 CRDC B13

42-41-28A CRDC B13 inoperative C 1 0 May be inoperative provided that no

and no other other CPIOM or CRDC dispatch
CRDC/CPIOM messages are displayed on the
inoperative DISPATCH page.

42-41-28B CRDC B13 inoperative B 1 0 (O) May be inoperative provided that

combined with another only one other CRDC or one other
CRDC/CPIOM CPIOM is failed in addition to
inoperative CRDC B13 and is part of the
authorized combinations as given in
the associated (O) procedure.

42-41-29 CRDC B14

42-41-29A CRDC B14 inoperative C 1 0 May be inoperative provided that:

and no other 1) No other CPIOM or CRDC
CRDC/CPIOM dispatch messages are
inoperative displayed on the DISPATCH
page, and
2) Cabin door 4R lock monitoring
is considered inoperative.

Refer to Item 52-71-02, Cabin Door

Lock Monitoring.

42-41-29B CRDC B14 inoperative B 1 0 May be inoperative provided that:

combined with another 1) Only one other CRDC is failed
CRDC inoperative in addition to CRDC B14 and is
part of the authorized
combinations as given in the
associated (O) procedure, and
2) Cabin door 4R lock monitoring
is considered inoperative.

Refer to Item 52-71-02, Cabin Door

Lock Monitoring.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 5 PAGE NO. 44-1
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
44. Cabin Systems
Change
Sequence No. Item 1 2 3 4 Bar

44-01 CABIN Overhead Panel

44-01-01 LANDSCAPE CAMERA

*** pb-sw OFF Light

44-01-01A D 1 0 May be inoperative.

44-01-02 LAVATORY OCCPD

Light

44-01-02A D 1 0 May be inoperative.

44-01-03 PAX INFO pb-sw

*** OFF Light

44-01-03A D 1 0 May be inoperative.

44-01-04 MOBILE COM pb-sw

*** OFF Light

44-01-04A D 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 5 PAGE NO. 44-2
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
44. Cabin Systems
Change
Sequence No. Item 1 2 3 4 Bar

44-02 CALLS Overhead Panel

44-02-01 CALLS EMER pb

CALL Light

44-02-01A C 1 0 May be inoperative.

44-02-02 CALLS EMER pb

ON Light

44-02-02A C 1 0 May be inoperative.

44-02-31 CALLS ALL pb

44-02-31A C 1 0 (O) May be inoperative.

44-02-32 CALLS EMER pb

44-02-32A C 1 0 (O) May be inoperative.

44-02-33 CALLS
FWD(MID)(EXIT)(AFT)
pb

44-02-33A C 4 0 (O) One or more may be inoperative.

44-02-34 CALLS MECH CALL pb

44-02-34A C 1 0 (O) May be inoperative.

44-02-35 CALLS PURS pb

44-02-35A C 1 0 (O) May be inoperative.

44-02-36 CALLS FLT(CAB) REST

*** pb

44-02-36A C 2 0 (O) One or both may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 5 PAGE NO. 44-3
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
44. Cabin Systems
Change
Sequence No. Item 1 2 3 4 Bar

44-03 EVAC Overhead Panel

44-03-01 COMMAND pb-sw

*** EVAC Light

44-03-01A D 1 0 May be inoperative.

44-03-02 COMMAND pb-sw

*** ON Light

44-03-02A D 1 0 May be inoperative.

44-04 Maintenance Overhead

Panel

44-04-01 SVCE INT OVRD pb ON

Light

44-04-01A D 1 0 May be inoperative.

44-10 Cabin Core System

44-10-01 CIDS Director

44-10-01A A 2 1 (M) One may be inoperative for

70 consecutive calendar-days.

NOTE: Application of the maintenance

procedure, to deactivate the
failed CIDS Director, is only
necessary in the case of
disturbance of the CIDS
function.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 5 PAGE NO. 44-4
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
44. Cabin Systems
Change
Sequence No. Item 1 2 3 4 Bar

44-11 DEU A

44-11-01 DEU A

44-11-01A C – – (O) One or more may be inoperative

provided that the items associated
with the failed DEU A are considered
inoperative.

Refer to Item 33-26-01, Cabin Sign

(No Smoking, No Portable/Electronic
Device, Fasten Seat Belt, Return to
Seat).

Refer to Item 33-26-02, Lavatory Sign

(Return to Seat).

Refer to Item 33-26-03, Cabin Crew

Rest Compartment Sign (No Smoking,
No Portable/Electronic Device,
No Mobile, Fasten Seat Belt).

Refer to Item 33-26-04, Flightcrew

Rest Compartment Sign (No Smoking,
No Portable/Electronic Device,
Fasten Seat Belt).

Refer to Item 44-13-01, Lavatory Call.

Refer to Item 44-15-03, CRC Handset.

Refer to Item 44-18-01, Emergency

Evacuation Signaling System.

Refer to Item 44-18-02, Emergency

Crew Alerting System.

Refer to Item 44-19-04, Area Call

Panel.

Refer to Item 44-19-05, Attendant

Indication Panel.

Refer to Item 44-19-06, Additional

Attendant Panel.

NOTE: The location of the affected

area is indicated on the FAP
System Info page.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 5 PAGE NO. 44-6
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
44. Cabin Systems
Change
Sequence No. Item 1 2 3 4 Bar

44-13 Cabin Individual Call

44-13-01 Lavatory Call

44-13-01A D – 0 One or more may be inoperative.

44-13-02 Passenger Call

44-13-02A D – 0 One or more may be inoperative.

44-14 Loudspeakers

44-14-01 Cabin Loudspeaker

44-14-01A C – – (O) One or more may be inoperative

provided that no seat is occupied from
which a passenger cannot clearly hear
a passenger announcement.

44-14-02 Lavatory Loudspeaker

44-14-02A C – 0 (O) May be inoperative provided that

alternate procedures are established
and used.

44-14-03 CRC Loudspeaker

44-14-03A Alternate procedure C – 0 (O) One or more may be inoperative

established and used for provided that alternate procedures are
CRC loudspeaker established and used.

44-14-03B Associated bed or seat D – 0 One or more may be inoperative

not used provided that
1) The associated bed or seat is
placarded inoperative and is
not used, and
2) Procedures do not require its
use.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 5 PAGE NO. 44-7
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
44. Cabin Systems
Change
Sequence No. Item 1 2 3 4 Bar

44-15 Handsets

44-15-01 Cockpit Handset

44-15-01A RMP used C 1 0 May be inoperative provided that the

RMP is used for communication
between the cockpit and the cabin.

44-15-01B Procedures do not D 1 0 May be inoperative provided that

require cockpit handset procedures do not require its use.
use

44-15-02 Cabin Handset

44-15-02A B − 4 (O) May be inoperative provided that:

1) One handset must operate
normally at each pair of exit
doors, and
2) Alternate communications
procedures between the
affected flight attendants
station(s) are established and
used.

NOTE 1: An operative handset at an

inoperative flight attendant
seat shall not be counted to
satisfy the minimum
required.

NOTE 2: Any handset(s) function(s)

that operates normally may
be used.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 5 PAGE NO. 44-8
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
44. Cabin Systems
Change
Sequence No. Item 1 2 3 4 Bar

44-15 Handsets

44-15-03 CRC Handset

***

44-15-03A Operator’s procedures D - 0 One or more may be inoperative

do not require its use provided that operator’s procedures
do not require its use.

44-15-03B Alternate procedures are C - 0 (O) One or more may be inoperative

established and used provided that:
1) The passenger address is
operative in the affected crew
rest compartment, and
2) Alternate procedures are
established and used.

44-15-03C Affected CRC locked D - 0 One or more may be inoperative

closed provided that:
1) The associated crew rest
compartment is locked closed
and is placarded inoperative,
and
2) Procedures do not require use
of the affected compartment.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 5 PAGE NO. 44-9
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
44. Cabin Systems
Change
Sequence No. Item 1 2 3 4 Bar

44-16 Prerecorded
Announcement and
Music Reproducer
(PRAM)

44-16-01 Prerecorded
Announcement and
Music Reproducer

44-16-01A Alternate procedures are C 1 0 (O) May be inoperative provided that

established and used for alternate procedures are established
prerecorded and used.
announcement and
music reproducer

44-16-01B Procedures do not D 1 0 May be inoperative provided that

require prerecorded procedures do not require its use.
announcement and
music reproducer use

44-17 Cabin Assignment

Module (CAM)

44-17-01 Cabin Assignment

Module

44-17-01A D 1 0 May be inoperative or missing

provided that the CAM is not needed
for a cabin reconfiguration.

44-18 Emergency System

44-18-01 Emergency Evacuation

*** Signaling System

44-18-01A C 1 0 (O) May be inoperative provided that

alternate procedures are established
and used.

44-18-02 Emergency Crew

*** Alerting System

44-18-02A D 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 5 PAGE NO. 44-10
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
44. Cabin Systems
Change
Sequence No. Item 1 2 3 4 Bar

44-19 Cabin Crew Panel

44-19-01 FAP Display Unit

44-19-01A At least one FAP DU D – 1 One or more may be inoperative

operative provided that at least one FAP display
unit is operative.

44-19-01B One or more FAP DUs C – 0 One or more may be inoperative.

inoperative

44-19-02 EMER pb on the FAP

Sub Panel

44-19-02A D – 1 One or more may be inoperative

provided that at least one EMER pb is
operative.

44-19-03 FAP Sub Panel

44-19-03A D – 0 One or more may be inoperative.

44-19-04 Area Call Panel

44-19-04A D – 0 One or more may be inoperative.

44-19-05 Attendant Indication

Panel

44-19-05A D – 0 One or more may be inoperative.

44-19-06 Additional Attendant

Panel

44-19-06A D – 0 One or more may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 5 PAGE NO. 44-11
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
44. Cabin Systems
Change
Sequence No. Item 1 2 3 4 Bar

44-50 Cabin Monitoring System

44-50-01 Cockpit Door

*** Surveillance System
(CDSS)

44-50-01A Alternate procedures C 1 0 (O) May be inoperative provided that:

established and used for 1) The cockpit door viewing port
CDSS is checked to operate normally,
and
2) Alternate procedures are
established and used.

44-50-01B Procedures do not D 1 0 May be inoperative provided that

require CDSS use procedures do not require its use.

44-50-02 Cabin Video Monitoring

*** System (CVMS)

44-50-02A D 1 0 May be inoperative.

44-50-03 CVMS pb ON Light

***

44-50-03A D 2 0 One or both may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 46-1
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
46. Information Systems
Change
Sequence No. Item 1 2 3 4 Bar

46-01 OIS Overhead Panel

46-01-01 OIS DATA TO AVNCS

pb-sw OFF light

46-01-01A C 1 0 May be inoperative.

46-01-02 OIS GATELINK pb-sw

OFF light

46-01-02A C 1 0 May be inoperative.

46-01-03 CAB DATA TO OIS

pb-sw OFF light

46-01-03A C 1 0 May be inoperative.

46-02 COM MAINTENANCE

Overhead Panel

46-02-01 GND CONNECTION

pb-sw ON light

46-02-01A C 1 0 May be inoperative.

46-03 ACMS Overhead Panel

46-03-01 ACMS TRIGGER pb

46-03-01A D 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 46-2
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
46. Information Systems
Change
Sequence No. Item 1 2 3 4 Bar

46-10 Information Core

Systems

46-10-01 Data Transfer between

OIS and Avionics

46-10-01A C 1 0 (O) May be inoperative provided that

alternate procedures are established
and used.

46-10-02 Redundancy on OIS

AVNCS Server (ASFC)

46-10-02A D 1 0 May be inoperative.

46-10-03 Redundancy on OIS

CAB&MAINT Server
(OSFC)

46-10-03A D 1 0 (O) May be inoperative.

46-20 Cockpit Information

Systems

46-20-01 COMPANY COM

46-20-01A C 1 0 (O) May be inoperative provided that

alternate procedures are established
and used.

46-20-02 EFB Docking

*** Station/Mount

46-20-02A C – 0 (M)(O) One or more may be

inoperative provided that:
1) Associated EFB and hardware
is stowed, secured by an
alternate means, or removed
from the aircraft, and
2) Alternate procedures are
established and used.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 46-3
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
46. Information Systems
Change
Sequence No. Item 1 2 3 4 Bar

46-20 Cockpit Information

Systems

46-20-03 Flightcrew Applications NOTE: Out-of-currency or invalid data

or applications can be |
managed as Administrative |
Control Items (ACI). |

46-20-04 OIS Keyboard

46-20-04A C 2 0 (O) One or more may be inoperative.

46-20-05 Printer

46-20-05A Operator’s procedures D 1 0 May be inoperative provided that

do not require printer’s Operator’s procedures do not require
use its use.

46-20-05B Alternate procedures for C 1 0 (O) May be inoperative provided that

printer are established alternate procedures are established
and used and used.

46-20-06 Third EFB Stowage Box

***

46-20-06A D 1 0 (O) May be inoperative.

46-20-07 EFB Deleted, Revision 7. |

NOTE: A350 Information Systems |

utilize uncertified portable |
EFBs, which do not qualify for |
MMEL relief, as per FAA |
policy. Portable EFBs may be |
managed as Administrative |
Control Items (ACI). |
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 46-4
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
46. Information Systems
Change
Sequence No. Item 1 2 3 4 Bar

46-20 Cockpit Information

Systems

46-20-08 AVNCS/EFB Switch

46-20-08A OIS keyboard operative C 2 0 (O) One or both may be inoperative

on the affected side(s) provided that the associated OIS
keyboard is operative.

46-20-08B OIS keyboard C 2 0 (O) One or both may be inoperative

inoperative on the provided that alternate procedures are
affected side(s) established and used.

46-20-09 EFB Power Outlet

46-20-09A Operator’s procedure D 3 0 One or more may be inoperative

does not require its use provided that the operator’s
procedures do not require its use.

46-20-09B Alternate procedure C 3 0 (O) One or more may be inoperative

established and used provided that alternate procedure are
established and used.

46-21 Air Traffic Control (ATC)

System

46-21-01 ATC Datalink

46-21-01A Procedures do not D 1 0 (O) May be inoperative provided that

require ATC datalink procedures do not require the use of
ATC datalink.

46-21-01B Procedures require ATC C 1 0 (O) May be inoperative provided that

datalink alternate procedures are established
and used for ATC communication.

46-21-02 ADS-C Datalink

46-21-02A Procedures do not D 1 0 (O) May be inoperative provided that

require ADS-C datalink procedures do not require the use of
the ADS-C datalink.

46-21-02B Procedures require C 1 0 (O) May be inoperative provided that

ADS-C datalink alternate procedures are established
and used for position reporting.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 46-5
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
46. Information Systems
Change
Sequence No. Item 1 2 3 4 Bar

46-20 Air Traffic Control (ATC)

System

46-21-03 ATC MSG pb

46-21-03A One inoperative D 2 1 One may be inoperative.

46-21-03B Both inoperative and D 2 0 (O) Both may be inoperative provided

procedures do not that procedures do not require the use
require ATC datalink of the ATC datalink.

46-21-03C Both inoperative and C 2 0 (O) Both may be inoperative.

procedures require ATC
datalink

46-25 Onboard Information

System (OIS)

46-25-01 OIS Display

46-25-01A C 2 0 (O) One or both may be inoperative.

46-25-02 OIS Display on the

OUTER DU

46-25-02A OIS ON CENTER pb-sw C 2 0 (O) One or both may be inoperative

operative on the affected provided that the OIS ON CENTER
side pb-sw is operative on the affected
side.

46-25-02B OIS ON CENTER pb-sw C 2 0 One or both may be inoperative

inoperative on the provided that the OIS session is
affected side considered inoperative on the affected
side.

Refer to Item 46-25-01, OIS Display.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 46-6
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
46. Information Systems
Change
Sequence No. Item 1 2 3 4 Bar

46-30 Maintenance Information

Systems

46-30-01 Maintenance NOTE: Out-of-currency or invalid data

Applications or applications can be |
managed as Administrative |
Control Items (ACI). |

46-30-02 OMT

46-30-02A C 1 0 May be inoperative.

46-40 Cabin Information

Systems

46-40-01 Cabin Applications

46-40-01A D – – (O) One or more may be inoperative

provided that alternate procedures are
established and used.

46-50 Miscellaneous
Information Systems

46-50-01 SPP

46-50-01A C 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 5 PAGE NO. 47-1
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
47. Inert Gas System
Change
Sequence No. Item 1 2 3 4 Bar

47-10 Generation/Storage

47-10-01 Fuel Inerting System

(Aircraft with
MP L44215/
MOD 114075)

47-10-01A A 1 0 May be inoperative for 10 flight-days.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 49-1
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
49. Airborne Auxiliary Power
Change
Sequence No. Item 1 2 3 4 Bar

49-01 APU Overhead Panel

49-01-01 APU MASTER SW

pb-sw FAULT Light

49-01-01A C 1 0 May be inoperative.

49-01-02 APU MASTER SW

pb-sw ON Light

49-01-02A C 1 0 (O) May be inoperative.

49-01-03 APU START pb

ON Light

49-01-03A C 1 0 May be inoperative.

49-01-04 APU START pb

AVAIL Light

49-01-04A C 1 0 May be inoperative.

49-02 APU Maintenance

Overhead Panel

49-02-01 APU ECON MODE pb

ON Light

49-02-01A D 1 0 May be inoperative.

49-02-31 APU ECON MODE pb

49-02-31A D 1 0 May be inoperative.

49-07 Indications on the APU

SD Page

49-07-01 APU GEN Indications on

the APU SD Page

49-07-01A C 3 0 One or more indications (load,

voltage, frequency) of the APU GEN
may be inoperative on the APU SD
page.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 49-2
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
49. Airborne Auxiliary Power
Change
Sequence No. Item 1 2 3 4 Bar

49-09 Dispatch Messages

49-09-01 APU DUAL POWER

SUPPLY Message

49-09-01A C – – May be displayed on the DISPATCH

page.

49-09-02 APU OIL FILTER

Message

49-09-02A C – – May be displayed on the DISPATCH

page.

49-10 Powerplant

49-10-01 APU Powerplant

49-10-01A APU neither deactivated C 1 0 (O) May be inoperative provided that

nor removed ETOPS beyond 180 minutes is not
conducted.

49-10-01B APU deactivated or D 1 0 (M)(O) May be inoperative provided

removed that:
(Aircraft with 1) APU is deactivated or
MP L92231/ removed, and
MOD 111927) 2) ETOPS beyond 180 minutes is
not conducted.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 49-3
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
49. Airborne Auxiliary Power
Change
Sequence No. Item 1 2 3 4 Bar

49-16 Air Intake System

49-16-01 APU Air-Intake Flap

49-16-01A Deactivated With APU C 1 0 (M)(O) May be inoperative provided

FLAP Angle at that the air-intake flap of the APU is
20 Degrees deactivated in the open position.

49-16-01B Inoperative in the closed C 1 0 May be inoperative in the closed

position position provided that the APU is
considered inoperative.

Refer to Item 49-10-01, APU

Powerplant.

49-16-01C Deactivated in the closed C 1 0 (M) May be inoperative provided that:

position 1) The air-intake flap of the APU
is deactivated in the closed
position, and
2) The APU is considered
inoperative.

Refer to Item 49-10-01, APU

Powerplant.

49-16-01D Inoperative With APU C 1 0 (M)(O) One may be inoperative

FLAP Angle at or above provided that:
17 Degrees 1) The air-intake flap angle is
checked at or above
17 degrees, and
2) The air-intake flap is disabled
in the open position, and
3) The APU is not used in flight
and placarded accordingly,
and
4) Appropriate performance
adjustments are applied.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 49-4
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
49. Airborne Auxiliary Power
Change
Sequence No. Item 1 2 3 4 Bar

49-16 Air Intake System

49-16-01 APU Air-Intake Flap

(Cont’d)

49-16-01E Inoperative With APU C 1 0 (M)(O) One may be inoperative

FLAP Angle Below provided that:
17 Degrees 1) The air-intake flap angle is
checked below 17 degrees,
and
2) The APU is considered
inoperative, and
3) Appropriate performance
adjustments are applied.

Refer to Item 49-10-01, APU Power

Plant.

49-40 APU Ignition and

Starting

49-40-01 APU Starter Power Unit

49-40-01A C 1 0 (O) May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 49-5
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
49. Airborne Auxiliary Power
Change
Sequence No. Item 1 2 3 4 Bar

49-62 APU Emergency

Shutdown

49-62-01 APU SHUT OFF sw

(Nose L/G Panel)

49-62-01A C 1 0 (O) May be inoperative.

49-62-02 APU EMERGENCY

SHUTDOWN sw
(External REFUEL
Panel)

49-62-02A C 1 0 (O) May be inoperative.

49-90 APU Oil

49-90-01 APU Oil Level Sensor

49-90-01A APU not used C 1 0 (O) May be inoperative provided that:

1) Procedures do not require use
of the APU, and
2) ETOPS beyond 180 minutes is
not conducted.

49-90-01B APU used C 1 0 (M) May be inoperative provided that

the APU oil quantity is verified
adequate once each flight-day.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 50-1
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
50. Cargo and Accessory Compartments
Change
Sequence No. Item 1 2 3 4 Bar

50-10 Cargo Compartments

50-10-01 Decompression Panel in

FWD Cargo
Compartment

50-10-01A C – 0 (O) One or more may be damaged or

missing provided that:
1) Procedures are established
and used to ensure the FWD
cargo compartment remains
empty or is verified to contain
only empty cargo handling
equipment, ballast (ballast may
be loaded in ULDs), and/or Fly
Away Kits, and
2) The decompression panels of
the separation between the
FWD cargo compartment and
the avionics bay are not
damaged and not missing.

NOTE: Operator MELs should define

which items are approved for
inclusion in the Fly Away Kits
and which materials can be
used as ballast.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 50-2
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
50. Cargo and Accessory Compartments
Change
Sequence No. Item 1 2 3 4 Bar

50-10 Cargo Compartments

50-10-02 Decompression Panel in

AFT/BULK Cargo
Compartment

50-10-02A C – 0 (O) One or more may be damaged or

missing provided that procedures are
established and used to ensure the
AFT and BULK cargo compartments
remain empty or are verified to contain
only empty cargo handling equipment,
ballast (ballast may be loaded in
ULDs), and/or Fly Away Kits.

NOTE: Operator MELs should define

which items are approved for
inclusion in the Fly Away Kits
and which materials can be
used as ballast.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 50-3
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
50. Cargo and Accessory Compartments
Change
Sequence No. Item 1 2 3 4 Bar

50-10 Cargo Compartments

50-10-03 Lining Panel in FWD

Lower Deck Cargo |
Compartment

50-10-03A Damaged lining panel C – 0 (O) One or more may be damaged |

provided that: |
1) Procedures are established
and used to ensure the FWD
lower deck cargo compartment |
remains empty or is verified to
contain only empty cargo
handling equipment, ballast
(ballast may be loaded in
ULDs), and/or Fly Away Kits,
and
2) The lining panels of the
separation between the FWD
lower deck cargo compartment |
and the avionics bay are not
damaged or missing. |

NOTE 1: Operator MELs should |

define which items are
approved for inclusion in the
Fly Away Kits and which
materials can be used as
ballast.

NOTE 2: The lining panels covered by |

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 50-4
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
50. Cargo and Accessory Compartments
Change
Sequence No. Item 1 2 3 4 Bar

50-10 Cargo Compartments

50-10-03 Lining Panel in FWD

Lower Deck Cargo
Compartment
(Cont’d)

position provided that procedures are
established and used to ensure the
FWD cargo compartment remains
empty or is verified to contain only
empty cargo handling equipment,
ballast (ballast may be loaded in
ULDs), and/or Fly Away Kits.

NOTE: Operator MELs must define

which items are approved for
inclusion in the Fly Away Kits
and which materials can be
used as ballast.

50-10-06 Pressure Compensation

Valve in AFT/BULK
Cargo Compartment

50-10-06A C 1 0 (O) May be inoperative in the open

position provided that procedures are
established and used to ensure the
AFT and BULK cargo compartments
remain empty or are verified to contain
only empty cargo handling equipment,
ballast (ballast may be loaded in
ULDs), and/or Fly Away Kits.

NOTE: Operator MELs should define

which items are approved for
inclusion in the Fly Away Kits
and which materials can be
used as ballast.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 50-8
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
50. Cargo and Accessory Compartments
Change
Sequence No. Item 1 2 3 4 Bar

50-20 Cargo Loading Systems

(CLS)

50-20-01 Cargo Semiautomatic

Loading System

50-20-01A D – – May be inoperative.

NOTE: Any part of the cargo loading

system that operates normally
may be used.

50-20-02 Cargo Compartment

Mechanical Components
(Latch, Net, Transport
Roller, and Entrance
Guide)

50-20-02A Cargo compartment A – – (M) May be inoperative or missing

used provided that:
1) Approved cargo-loading limits
are observed. The only source
documents are:
• Type certificate (TC),
• Supplemental Type
Certificate (STC),
• Airplane Flight Manual
(AFM),
• Airplane Flight Manual
Supplement (AFMS),
• Pilot’s Operating
Handbook (POH),
• TC/STC Weight and
Balance Manual (WBM),
and
2) Repairs are made within
120 consecutive
calendar-days.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 50-9
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
50. Cargo and Accessory Compartments
Change
Sequence No. Item 1 2 3 4 Bar

50-20 Cargo Loading Systems

(CLS)

50-20-02 Cargo Compartment

Mechanical Components
(Latch, Net, Transport
Roller, and Entrance
Guide)
(Cont’d)

50-20-02B Cargo compartment A – – May be inoperative or missing

empty provided that:
1) The associated cargo
compartment remains empty,
and
2) Repairs are made within
120 consecutive
calendar-days.

50-20-02C Individual cargo areas A – – Individual cargo areas may be

inoperative inoperative provided that:
1) Aircraft is operated in
accordance with Original
Equipment Manufacturer
(OEM) W&B source document,
and
2) Repairs are made within
120 consecutive
calendar-days.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 52-1
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
52. Doors
Change
Sequence No. Item 1 2 3 4 Bar

52-01 Maintenance Overhead

Panel

52-01-01 CKPT DOOR LOCKG

SYS pb-sw OFF light

52-01-01A C 1 0 May be inoperative.

52-07 Indications on the

DOOR/OXYGEN
SD Page

52-07-01 Cabin Door Position

Detection on the
DOOR/OXYGEN
SD Page

52-07-01A C 8 0 (O) One or more may be inoperative

provided that:
1) ETOPS is not conducted, and
2) The associated cabin door is
visually checked closed,
latched, and locked, and
3) The flight is not pressurized.

52-07-02 Cargo Door Position

Detection on the
DOOR/OXYGEN
SD Page

52-07-02A C 3 0 (M)(O) One or more may be

inoperative provided that:
1) ETOPS is not conducted, and
2) The associated cargo door is
visually checked closed,
latched, and locked before
each flight,
3) For bulk cargo door visual
check, door is also pushed
against to ensure it is closed,
latched, and locked before
each flight, and
4) The flight is not pressurized.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 52-2
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
52. Doors
Change
Sequence No. Item 1 2 3 4 Bar

52-07 Indications on the

DOOR/OXYGEN
SD Page

52-07-03 Escape Hatch Position

Detection on the
DOOR/OXYGEN
SD Page

52-07-03A C 1 0 (M)(O) May be inoperative provided

that the escape hatch is visually
checked closed and latched before
each flight.

52-07-04 External Avionics Door

Position Detection on the
DOOR/OXYGEN
SD Page

52-07-04A C 1 0 (M)(O) May be inoperative provided

that the external avionics door is
visually checked and pushed against
to ensure it is closed and latched
before each flight.

52-07-05 Internal Avionics Door

Position Detection on the
DOOR/OXYGEN SD
Page

52-07-05A C 2 0 (M) One or both may be inoperative

provided that the associated internal
avionics door is visually checked
closed before each flight.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 52-3
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
52. Doors
Change
Sequence No. Item 1 2 3 4 Bar

52-10 Passenger/Crew

52-10-01 Cabin Door/Slide/Raft

52-10-01A A 8 7 (M)(O) One cabin door/slide/raft may

be inoperative or one slide/raft may be
missing provided that:
1) All other cabin doors and
slide/rafts are fully operational,
and
2) The affected cabin door is not
used for any purpose while
passengers are onboard,
including passenger boarding,
and
3) A conspicuous barrier strap or
rope and a placard stating that
the door is inoperative are
placed across the inoperative
cabin door, and
4) The emergency exit sign and
floor proximity lights
associated with the inoperative
cabin door are covered to
obscure the signs and lights,
and
5) All passengers are briefed not
to use the affected cabin door,
and
6) Conspicuous signs and
placards are placed in
appropriate locations indicating
that the blocked seats are not
to be occupied by passengers,
and
7) Seated capacity does not
exceed rated capacity of
remaining pairs of cabin door
exits, and

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 52-4
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
52. Doors
Change
Sequence No. Item 1 2 3 4 Bar

52-10 Passenger/Crew

52-10-01 Cabin Door/Slide/Raft

(Cont’d)

52-10-01A (Cont’d) 8) Blocked seating layouts and

evacuation procedures must
be developed and approved by
the responsible Flight
Standards office for inclusion
in the operator’s manual, and
9) All passenger seats halfway to
the next cabin door in each
direction from the inoperative
cabin door and across the
entire width of the airplane are
blocked and placarded
“DO NOT OCCUPY” prior to
boarding passengers. Only
these affected seats are to be
blocked. Main passenger
aisles, cross aisles, and exit
areas must not be blocked.
(For an inoperative cabin
door/slide/raft 1, the blocked
seating area shall extend from
the forward cabin end rearward
to a line halfway between
cabin doors 1 and 2. For an
inoperative cabin
door/slide/raft 4, the blocked
seating area shall extend from
the aft cabin end forward to a
line halfway between cabin
doors 4 and 3), and

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 52-5
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
52. Doors
Change
Sequence No. Item 1 2 3 4 Bar

52-10 Passenger/Crew

52-10-01 Cabin Door/Slide/Raft

(Cont’d)

52-10-01A (Cont’d) 10) For extended overwater

operations, occupancy does
not exceed the normal rated
capacity of the remaining
operative slide/rafts nor the
rated overload capacity of the
slide/rafts remaining after loss
of one additional slide/raft of
greatest capacity, whichever is
least, and
11) The Weight and Balance
Manifest is revised as
necessary to ensure that
proper loading limits are
observed, and
12) Repairs are made within
1 flight-day.

NOTE: Flight attendants may be

stationed in the vicinity of each
door within blocked areas.

52-10-02 Cabin Door Damper

Function

52-10-02A C 8 0 One or more may be inoperative.

52-10-03 Cabin Door Emergency

Opening Function

52-10-03A A 8 7 One may be inoperative for 1 flight-day

provided that the associated cabin
door is considered inoperative.

Refer to Item 52-10-01, Cabin

Door/Slide/Raft.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 52-6
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
52. Doors
Change
Sequence No. Item 1 2 3 4 Bar

52-10 Passenger/Crew

52-10-04 Cabin Door

LOCKED/UNLOCKED
Flag

52-10-04A C 16 8 (M) One per cabin door may be

inoperative provided that:
1) The associated cabin door is
visually checked closed,
latched and locked before the
first MEL dispatch and then
each time this cabin door is
opened, and
2) The associated cabin door lock
monitoring is operative, and
3) The associated cabin door
position detection is operative.

52-10-05 Cabin Door Stay

Mechanism
(Gust Lock Function)

52-10-05A A 8 7 One may be inoperative for

1 flight-day provided that the
associated cabin door is considered
inoperative.

Refer to Item 52-10-01, Cabin

Door/Slide/Raft.

52-10-06 Cabin Door Stop Fitting

52-10-06A C 112 104 (M)(O) One per cabin door may be

damaged provided that:
1) ETOPS is not conducted, and
2) The other stop fittings of the
affected door have no damage,
and
3) The flight is not pressurized.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 52-7
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
52. Doors
Change
Sequence No. Item 1 2 3 4 Bar

52-30 Cargo

52-30-01 AFT(FWD) Cargo Door

52-30-01A C 2 0 (M) One or both may be inoperative in

the closed, latched, and locked
position provided that:
1) The associated cargo door is
visually checked closed,
latched, and locked after each
attempt to open it, and
2) The associated cargo door is
indicated closed, latched, and
locked on the DOOR/OXYGEN
SD page.

52-30-02 BULK Cargo Door

52-30-02A C 1 0 May be inoperative in the closed,

latched, and locked position provided
that the BULK cargo door is indicated
closed, latched, and locked on the
DOOR/OXYGEN SD page.

52-30-03 AFT(FWD) Cargo Door

Actuation

52-30-03A C 2 0 (M) One or both may be inoperative

provided that the associated cargo
door is manually operated.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 52-8
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
52. Doors
Change
Sequence No. Item 1 2 3 4 Bar

52-30 Cargo

52-30-04 AFT(FWD) Cargo Door

Latching Mechanism

52-30-04A C 16 14 (M)(O) One may be damaged on each

AFT(FWD) cargo door provided that:
1) ETOPS is not conducted, and
2) The other latching
mechanisms of the affected
cargo door have no damage,
and
3) All the hinge lugs of the
affected cargo door have no
damage, and
4) The flight is not pressurized.

NOTE: A latching mechanism has

one hook, one spool, one bolt,
one washer, and a core
connecting link. A latching
mechanism is damaged when
any of its components are
damaged.

52-30-05 BULK Cargo Door

Balance Mechanism

52-30-05A C 1 0 (O) May be inoperative provided that

the BULK cargo door is placarded to
inform ground personnel that the door
is not correctly balanced.

52-30-06 BULK Cargo Door

Stop Fitting

52-30-06A C 8 7 (M)(O) One may be damaged provided

that:
1) ETOPS is not conducted, and
2) The other stop fittings have no
damage, and
3) The flight is not pressurized.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 52-9
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
52. Doors
Change
Sequence No. Item 1 2 3 4 Bar

52-51 Cockpit Door

52-51-01 Cockpit Door Locking

System (CDLS)

52-51-01A A 1 0 (M)(O) May be inoperative provided

that:
1) The cockpit door locking
system is deactivated, and
2) The cockpit door is secured
closed for takeoff and landing,
and
3) Alternate procedures are
established and used to secure
and to access to the cockpit
during the flight in accordance
with the Operator’s security
policy, and
4) Repairs are made within
2 flight-days.

52-51-02 Cockpit Door Keypad

52-51-02A B 1 0 (M)(O) May be inoperative provided

that the cockpit door keypad is
deactivated.

52-51-03 Cockpit Door

Keypad LED

52-51-03A C 3 0 (O) One or more may be inoperative

provided that alternate procedures are
established and used.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 52-10
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
52. Doors
Change
Sequence No. Item 1 2 3 4 Bar

52-51 Cockpit Door

52-51-04 Cockpit Door

Release Strike

52-51-04A One cockpit door release D 3 2 (M)(O) One may be inoperative.

strike inoperative
NOTE: Application of the maintenance
procedure is only necessary
when the cockpit door release
strike is failed in the locked
position.

52-51-04B Two or more cockpit A 3 0 (M)(O) Two or more may be

door release strikes inoperative provided that:
inoperative 1) The CDLS is considered
inoperative, and
2) Repairs are made within
2 flight-days.

NOTE: Application of the maintenance

procedure is only necessary
when the cockpit door release
strike is failed in the locked
position.

Refer to Item 52-51-01, Cockpit Door

Locking System (CDLS).

52-51-05 Cockpit Door

Controller Sensor

52-51-05A One cockpit door C 2 1 One may be inoperative.

controller sensor
inoperative

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 52-11
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
52. Doors
Change
Sequence No. Item 1 2 3 4 Bar

52-51 Cockpit Door

52-51-05 Cockpit Door

Controller Sensor
(Cont’d)

52-51-05B Both cockpit door A 2 0 Both may be inoperative provided that:

controller sensors 1) The CDLS is considered
inoperative inoperative, and
2) Repairs are made within
2 flight-days.

Refer to Item 52-51-01, Cockpit Door

Locking System (CDLS).

52-51-06 Cockpit Door Deadbolt

52-51-06A C 1 0 May be inoperative provided that the

Cockpit Door Locking System (CDLS)
operates normally.

52-51-07 Cockpit Door

Decompression
Deceleration Device

52-51-07A Fourth cockpit seat C 2 0 (O) One or both may be inoperative.

available

52-51-07B Fourth cockpit seat not D 2 0 One or both may be inoperative

occupied provided that the fourth occupant seat
in the cockpit is considered
inoperative.

Refer to Item 25-13-01, Fourth

Occupant Seat.

52-51-08 Privacy Door

52-51-08A D 1 0 (M) May be inoperative provided that:

1) The privacy door is stowed
open or not used, and
2) Procedures do not require its
use.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 52-12
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
52. Doors
Change
Sequence No. Item 1 2 3 4 Bar

52-53 CKPT DOOR Panel on

the Center Pedestal

52-53-01 CKPT DOOR

FAULT Light

52-53-01A C 1 0 May be inoperative.

52-53-02 CKPT DOOR

OPEN Light

52-53-02A C 1 0 (O) May be inoperative.

52-53-03 LOCK Function of the

CKPT DOOR sw

52-53-03A B 1 0 (M)(O) May be inoperative provided

that the cockpit door keypad is
deactivated.

52-53-04 UNLOCK Function of the

CKPT DOOR sw

52-53-04A C 1 0 (O) May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 52-13
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
52. Doors
Change
Sequence No. Item 1 2 3 4 Bar

52-71 Doors and Slides Control

System

52-71-01 Door Position Monitoring

Redundancy

52-71-01A C 1 0 (O) May be inoperative.

NOTE: If automatic operation is

affected, the AFT and FWD
cargo doors must be operated
manually.

52-71-02 Cabin Door Lock

Monitoring

52-71-02A C 8 0 (O) One on each cabin door may be

inoperative provided that the
associated cabin door is checked
closed, latched, and locked.

52-71-03 Door and Cabin

Pressure
Communication
Redundancy

52-71-03A C 1 0 May be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 52-14
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
52. Doors
Change
Sequence No. Item 1 2 3 4 Bar

52-71 Doors and Slides Control

System

52-71-04 Door Residual

Differential Pressure
Detection

52-71-04A C 1 0 (O) May be inoperative provided that:

1) All the CABIN PRESSURE
lights on cabin doors are
placarded inoperative, and
2) The cabin differential pressure
is checked on the CAB PRESS
SD page before the opening of
any cabin door or cargo door.

NOTE: The placard should be visible

from the inside and from the
outside of the aircraft.

52-71-05 CABIN PRESSURE

Light on Cabin Door

52-71-05A C 8 0 (O) One or more may be inoperative

provided that the cabin differential
pressure is checked on the
CAB PRESS SD page before the
opening of the associated cabin door.

NOTE: The placard should be visible

from the inside and from the
outside of the aircraft.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 52-15
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
52. Doors
Change
Sequence No. Item 1 2 3 4 Bar

52-71 Doors and Slides Control

System

52-71-06 CABIN PRESSURE

Light on Cargo Door

52-71-06A C 2 0 (O) One or both may be inoperative

provided that the cabin differential
pressure is checked on the
CAB PRESS SD page before the
opening of the associated cargo door.

52-71-07 Cabin Pressure Buzzer

on Cabin Door

52-71-07A C 8 0 One or more may be inoperative.

U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 73-1
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
73. Engine Fuel and Control
Change
Sequence No. Item 1 2 3 4 Bar

73-01 ENG Maintenance

Overhead Panel

73-01-01 FADEC GND PWR pb

ON Light

SELECTOR Message |

73-09-05A C – – (O) May be displayed on the |

DISPATCH page provided that the |
ENG START Selector is checked |
operative before each flight. |
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 73-4
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
73. Engine Fuel and Control
Change
Sequence No. Item 1 2 3 4 Bar

73-21 Engine Control and Fault

Monitoring

73-21-01 Engine FADEC

Identification

73-21-01A A 2 0 (M) One or both may be inoperative

for 10 consecutive calendar-days
provided that there is no disagreement
between the associated engine
identification contained in the FADEC
and the identification written on the
engine plate.

73-21-02 Engine Fuel Filter

Monitoring System

73-21-02A A 2 1 (M)(O) One may be inoperative

for 300 flight-hours or
20 consecutive calendar-days,
whichever occurs first, provided that:
1) The associated fuel filter is
replaced before the first MEL
dispatch, and
2) The ENG 1(2) FUEL FILTER
PARTLY CLOGGED message
or the ENG 1(2) FUEL FILTER
CLOGGED message or the
ENG 1(2) FUEL FILTER IN
BYPASS message is still
displayed after maintenance
action, and
3) The ENG 2(1) SHORT TERM
MINOR FAULT message is not
displayed for the opposite
engine, and
4) The ENG 2(1) FUEL FILTER
PARTLY CLOGGED message
is not displayed for the
opposite engine.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 73-5
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
73. Engine Fuel and Control
Change
Sequence No. Item 1 2 3 4 Bar

73-25 Functional Interfaces

with FADEC

73-25-01 Engine Interface

Function

73-25-01A One EIF 1 inoperative C 4 3 One EIF 1 may be inoperative

provided that the APU and the AC
auxiliary generation are operative.

73-25-01B One EIF 2 inoperative C 4 3 One EIF 2 may be inoperative.

73-25-01C One EIF 1 and one EIF 2 A 4 2 One EIF 1 may be inoperative on
inoperative on opposite one engine and one EIF 2 may be
engines inoperative on the opposite engine
provided that:
1) The APU and the AC auxiliary
generation are operative, and
2) Repairs are made within
3 consecutive calendar-days.

73-25-01D Both EIF 2 inoperative A 4 2 Both EIF 2 may be inoperative for

3 consecutive calendar-days.

73-25-02 Engine Overthrust

Protection System

73-25-02A A 2 1 One may be inoperative for

3 consecutive calendar-days.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 4 PAGE NO. 74-1
DATE: 05/01/2019
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
74. Ignition
Change
Sequence No. Item 1 2 3 4 Bar

74-31 Ignition Starting and

Continuous Relight

74-31-01 Ignition System

74-31-01A (A350-900 Series) A 4 2 (O) One may be inoperative for

10 consecutive calendar-days on
each engine.

74-31-01B (A350-1000 Series) A 4 3 (O) One may be inoperative for

3 consecutive calendar-days on
one engine.

74-31-02 Emergency Ignition

System

74-31-02A C 2 1 (O) May be inoperative on engine 1

provided that the APU and the AC
auxiliary generation are operative.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 75-1
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
75. Bleed Air
Change
Sequence No. Item 1 2 3 4 Bar

75-09 Dispatch Messages

75-09-01 ENG 1(2) FAN ZONE

AIR LEAK Message

75-09-01A A – – One may be displayed on the

DISPATCH page for 150 flight-hours
or 10 consecutive calendar-days,
whichever occurs first.

75-09-02 ENG 1(2)

INTERMEDIATE CORE
ZONE AIR LEAK
Message

75-09-02A B – – One may be displayed on the

DISPATCH page.

75-09-03 ENG 1(2) CORE ZONE

AIR LEAK LO Message

75-09-03A (A350-900 Series) A – – One may be displayed on the

DISPATCH page for 500 flight-hours
provided that the ENG 1(2) CORE
ZONE LEAK HI message is not
displayed on the DISPATCH page for
the opposite engine.

75-09-03B (A350-1000 Series) A – – One may be displayed on the

DISPATCH page for 500 flight-hours
or 150 flights, whichever occurs first,
provided that the ENG 1(2) CORE
ZONE AIR LEAK HI message is not
displayed on the DISPATCH page of
the opposite engine.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 75-2
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
75. Bleed Air
Change
Sequence No. Item 1 2 3 4 Bar

75-09 Dispatch Messages

75-09-04 ENG 1(2) CORE ZONE

AIR LEAK HI Message

75-09-04A (A350-900 Series) A – – One may be displayed on the

DISPATCH page for 300 flight-hours
or 20 consecutive calendar-days,
whichever occurs first, provided that
the ENG 1(2) CORE ZONE LEAK LO
message is not displayed on the
DISPATCH page for the opposite
engine.

75-09-04B (A350-1000 Series) A – – One may be displayed on the

DISPATCH page for 3 consecutive
calendar-days or 12 flights, whichever
occurs first, provided that the ENG
1(2) CORE ZONE AIR LEAK HI
message is not displayed on the
DISPATCH page of the opposite
engine.

75-11 Engine Section Stator

Anti-Icing

75-11-01 Engine Section Stator

Anti-Ice Valve

75-11-01A Engine section anti-ice B 2 0 One or both may be inoperative in the

valve failed open open position.

75-11-01B Engine section anti-ice C 2 0 (O) One or both may be inoperative in

valve failed closed the closed position.
(A350-1000 Series with
MP L48116/
MOD 113556)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 75-3
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
75. Bleed Air
Change
Sequence No. Item 1 2 3 4 Bar

75-24 Turbine Cooling Control

System

75-24-01 Engine HP Turbine Case

Cooling (HPTCC) Valve |

75-24-01A One inoperative A 2 1 (O) One may be inoperative for

(A350-900 Series) 10 consecutive calendar-days
provided that the HPTCC and IPTCC |
valves on the opposite engine are |
operative. |

75-24-01B One inoperative with A 2 1 (M)(O) One may be inoperative for |

75-24-01C (A350-1000 Series) B 2 1 (M)(O) One may be inoperative

provided that:
1) The affected HP turbine case
cooling system is deactivated
and secured with a blanking
plate, and
2) Takeoff is performed using the
derated takeoff mode with a
minimum derated level of D04.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 75-4
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
75. Bleed Air
Change
Sequence No. Item 1 2 3 4 Bar

75-24 Turbine Cooling Control

System

75-24-02 Engine IP Turbine Case

Cooling (IPTCC) Valve |

75-24-02A One inoperative A 2 1 (O) One may be inoperative for

(A350-900 Series) 10 consecutive calendar-days
provided that the HPTCC and IPTCC |
valves on the opposite engine are |
operative. |

75-24-02B One inoperative with A 2 1 (M)(O) One may be inoperative for |

75-24-02C (A350-1000 Series) A 2 0 (M)(O) One or both may be

inoperative for 500 flight-hours
provided that the affected IP turbine
case cooling system is deactivated
and secured with a blanking plate.

75-24-03 Engine Front Bearing

Housing Vent Bypass
Valve

75-24-03A A 2 0 One or both may be inoperative for

500 flight-hours.

75-33 Air Bleed System

75-33-01 Engine Burst Duct

Detection

75-33-01A A 2 1 (O) One may be inoperative for

3 consecutive calendar-days.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 5 PAGE NO. 77-1
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
77. Engine Indicating
Change
Sequence No. Item 1 2 3 4 Bar

77-07 Indications on SD Page

77-07-01 Indications on the

CRUISE Page

77-07-01-01 Engine Fuel Flow

Indication on the
CRUISE Page

77-07-01-01A Refer to Item 77-07-02-01, Engine

Fuel Flow Indication on the ENG SD
page.

77-07-01-02 Engine Fuel Used

Indication on the
CRUISE Page

77-07-01-02A Refer to Item 77-07-02-01, Engine

Fuel Flow Indication on the ENG SD
page.

77-07-02 Indications on the ENG

SD Page

77-07-02-01 Engine Fuel Flow

Indication on the ENG
SD Page

77-07-02-01A A 2 1 (O) May be degraded (last digits

with amber dashes) for
10 consecutive calendar-days on
one engine provided that:
1) The ENG 2(1) SHORT TERM
MINOR FAULT message is not
displayed for the opposite
engine, and
2) The ENG 2(1) FUEL FILTER
PARTLY CLOGGED message
is not displayed for the
opposite engine.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 5 PAGE NO. 77-2
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
77. Engine Indicating
Change
Sequence No. Item 1 2 3 4 Bar

77-07 Indications on SD Page

77-07-02 Indications on the ENG

SD Page

77-07-02-02 Engine N1 Vibration

Monitoring on the ENG
SD Page
(Aircraft without
MP L48116/
MOD 113556)

77-07-02-02A C 2 1 (O) One may be inoperative.

77-07-02-03 Engine N2 Vibration

Monitoring on the ENG
SD Page
(Aircraft without
MP L48116/
MOD 113556)

77-07-02-03A C 2 1 (O) One may be inoperative.

77-07-02-04 Engine N3 Vibration

Monitoring on the ENG
SD Page
(Aircraft without
MP L48116/
MOD 113556)

77-07-02-04A C 2 1 (O) One may be inoperative.

77-07-02-05 Precooler Outlet

Pressure Indication on
the ENG SD Page

77-07-02-05A Refer to Item 36-07-01, Precooler

Outlet Pressure Monitoring on the
BLEED SD page.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 5 PAGE NO. 77-3
DATE: 12/18/2020
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
77. Engine Indicating
Change
Sequence No. Item 1 2 3 4 Bar

77-07 Indications on SD Page

77-07-02 Indications on the ENG

SD Page

77-07-02-06 Engine Vibration

Monitoring on the ENG
SD Page
(Aircraft with
MP L48116/
MOD 113556)

77-07-02-06A C 6 3 (O) One or more may be inoperative

on one engine only.

78-09-02 ENG 1(2) REVERSER

ENERGIZED Message

78-09-02A C – – (M)(O) One may be displayed on the

DISPATCH page provided that:
1) The associated circuit breaker
is deactivated and secured in
the open position, and
2) The affected thrust reverser is
deactivated and secured in the
stowed position, and
3) The ENG 1(2) REVERSER
INHIBITED alert is displayed
on the WD after maintenance
action, and
4) Appropriate performance
adjustments are applied.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 78-2
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
78. Engine Exhaust
Change
Sequence No. Item 1 2 3 4 Bar

78-09 Dispatch Message

78-09-03 ENG 1(2) REV

TERTIARY LOCKS
ENERGIZED Message
(Aircraft with
MP L48121/
MOD 113561)

78-09-03A C – – (M) One may be displayed on the

DISPATCH page provided that: |
1) The tertiary locks of the
affected engine are
deactivated, and
2) The ENG 1(2) REV TERTIARY
LOCKS ENERGIZED message
is not displayed on the
DISPATCH page after |
maintenance action, and
3) The reverser on the affected
engine is deactivated and
considered inoperative.

Refer to Item 78-30-01, Engine 1

Reverser, or

Refer to Item 78-30-02, Engine 2

Reverser.

78-09-04 ENG 1(2) REVERSER

PROTECTION Message
(Aircraft with
MP L48121/
MOD 113561)

78-09-04A C – – One may be displayed provided that

the associated thrust reverser is
considered inoperative.

Refer to Item 78-30-01, Engine 1

Reverser, or

Refer to Item 78-30-02, Engine 2

Reverser.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 78-3
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
78. Engine Exhaust
Change
Sequence No. Item 1 2 3 4 Bar

78-30 Engine Reverser

78-30-01 Engine 1 Reverser

78-30-01A C 1 0 (M)(O) May be inoperative provided

that:
1) The engine 1 reverser is
deactivated and secured in the
stowed position, and
2) The ENG 1 REVERSER
INHIBITED alert is displayed
on the WD after maintenance
action, and
3) Engine 2 reverser operates
normally, and
4) Appropriate performance
adjustments are applied.

78-30-02 Engine 2 Reverser

78-30-02A C 1 0 (M)(O) May be inoperative provided

that:
1) The engine 2 reverser is
deactivated and secured in the
stowed position, and
2) The ENG 2 REVERSER
INHIBITED alert is displayed
on the WD after maintenance
action, and
3) Engine 1 reverser operates
normally, and
4) Appropriate performance
adjustments are applied.

78-30-03 Engine 1 Reverser

Control

78-30-03A C 1 0 (O) May be inoperative provided that

engine 1 thrust reverser is considered
inoperative.

Refer to Item 78-30-01, Engine 1

Reverser.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 78-4
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
78. Engine Exhaust
Change
Sequence No. Item 1 2 3 4 Bar

78-30 Engine Reverser

78-30-04 Engine 2 Reverser

Control

78-30-04A C 1 0 (O) May be inoperative provided that

engine 2 thrust reverser is considered
inoperative.

Refer to Item 78-30-02, Engine 2

Reverser.

78-30-05 Engine 1(2)

Reverser Lock

78-30-05A Inoperative lock A 12 10 (M) One engine reverser lock on

deactivated in the one or two translating cowls may be
unlocked position inoperative for
(Aircraft without 10 consecutive calendar-days
MP L43487/ provided that:
MOD 111847) 1) Track lock and track lock
monitoring are checked
operative, and
2) The affected engine reverser
lock is deactivated in the
unlocked position, and
3) When the associated FADEC
is powered, the associated
ENG 1(2) REVERSER
LOCKED message is no
longer displayed on the
DISPATCH page after the
deactivation, and
4) When the associated FADEC
is powered, the associated
ENG 1(2) REVERSER MINOR
FAULT message is displayed
on the DISPATCH page after
the deactivation.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 78-5
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
78. Engine Exhaust
Change
Sequence No. Item 1 2 3 4 Bar

78-30 Engine Reverser

78-30-05 Engine 1(2)

Reverser Lock
(Cont’d)

78-30-05B Inoperative lock A 12 10 (M) One engine reverser lock on

deactivated in the one or two translating cowls may be
unlocked position inoperative for
(Aircraft with 10 consecutive calendar-days
MP L43487/ provided that:
MOD 111847) 1) Track lock and track lock
monitoring are checked
operative, and
2) The affected engine reverser
lock is deactivated in the
unlocked position, and
3) When the associated FADEC
is powered, the associated
ENG 1(2) REV ONE LOCK
FAILED LOCKED message is
no longer displayed on the
DISPATCH page after the
deactivation, and
4) When the associated FADEC
is powered, the associated
ENG 1(2) REVERSER MINOR
FAULT message is displayed
on the DISPATCH page after
the deactivation.

(Continued)
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 7 PAGE NO. 78-6
DATE: 07/05/2023
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
78. Engine Exhaust
Change
Sequence No. Item 1 2 3 4 Bar

40 flight-hours or
3 consecutive calendar-days,
whichever occurs first.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
REVISION NO. 6 PAGE NO. 80-1
DATE: 05/09/2022
TABLE KEY
AIRCRAFT: 1. REPAIR CATEGORY
2. NO. INSTALLED
Airbus A350 3. NO. REQUIRED FOR DISPATCH
4. REMARKS OR EXCEPTIONS
80. Starting
Change
Sequence No. Item 1 2 3 4 Bar

80-01 ENG Overhead Panel

80-01-01 MAN START 1(2) pb-sw

ON Light

80-01-01A C 2 0 One or both may be inoperative.

80-11 Pneumatic Starter and

Valve System

80-11-01 Engine Start Valve

80-11-01A Inoperative in closed A 2 1 (M)(O) One may be inoperative for

position 10 consecutive calendar-days in the
closed position provided that the
affected valve is manually operated for
the associated engine start.

80-11-01B Inoperative in open C 2 1 (M)(O) May be inoperative in the open

position position provided that:
1) The Engine Burst Duct
Detection is operative, and
2) The affected valve is manually
operated for the associated
engine start.

80-11-02 Engine Manual Start

System

80-11-02A C 2 0 One or both may be inoperative.

80-12 ENG MASTER Panel on

the Center Pedestal

80-12-01 FAULT Light on ENGINE

MASTER Lever

80-12-01A C 2 0 One or both may be inoperative.

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