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Mel Iat Rev 01final-1

The MD80 MEL Procedures Manual provides essential guidelines and procedures for the operation and maintenance of MD-82 aircraft, including a Minimum Equipment List (MEL) and crew operating procedures. It includes sections on maintenance procedures and configuration deviation lists, along with a record of revisions and effective pages. The manual is effective for specific aircraft registrations and engine types as of February 2013.

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100% found this document useful (1 vote)

46 views294 pages

Mel Iat Rev 01final-1

Uploaded by

felipegonzalez

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

Available Formats

Download as PDF, TXT or read online on Scribd

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MD80

MEL
PROCEDURES
MANUAL
ISSUE REV 00-00-1
INTRODUCTION
MD 80 MEL PROCEDURES MANUAL
TABLE OF CONTENTS 1 1 FEB 2013

INDEX

SECTION 0 - INTRODUCTION

TABLE OF CONTENTS 00-00-1

LIST OF APPROVALS 00-00-2

MANUAL EFFECTIVITY 00-00-3

LIST OF EFFECTIVE PAGES 00-00-4

RECORD OF REVISIONS 00-00-7

HIGHLIGHT OF CHANGES 00-00-8

PREAMBLE 00-01-1

SECTION 1 – MEL AND CREW OPERATING PROCEDURES

TABLE OF CONTENTS 01-00-1

MINIMUM EQUPMENT LIST (MEL) / CREW OPERATING PROCEDURES 01-21-1 to

01-80-1
SECTION 2 – MAINTENANCE PROCEDURES

TABLE OF CONTENTS

MAINTENANCE PROCEDURES 02-00-1 to

02-80-
SECTION 3 – CONFIGURATION DEVITION LIST

TABLE OF CONTENTS 03-00-1

GENERAL 03-01-1

CONFIGURATION DEVIATION LIST (CDL) 03-23-1

INTRODUCTION ISSUE REV 00-00-2

LIST OF APPROVALS 1 1 FEB 2013

MD 80 MEL PROCEDURES MANUAL
INTRODUCTION
ISSUE REV 00-00-3

MANUAL EFFECTIVITY 1 1 FEB 2013

MD 80 MEL PROCEDURES MANUAL

This Manual is effective for the following aircraft:

REGISTRATION MARK MODEL SERIAL NUMBER

EP-MDD MD-82 49852

EP-MDE MD-82 49523

SECTION SECTION SECTION

CHAPTER DATE CHAPTER DATE CHAPTER DATE
PAGE PAGE PAGE
02-36-3 JAN 2012 02-79-2 JAN 2012
02-36-4 JAN 2012
02-36-5 JAN 2012 02-80-1 JAN 2012
02-80-2 JAN 2012
02-38-1 JAN 2012
02-38-2 JAN 2012 03-00-1 JAN 2012
02-38-3 JAN 2012 03-00-2 JAN 2012
02-38-4 JAN 2012
03-01-1/2 JAN 2012
02-49-1 JAN 2012
02-49-2 JAN 2012 03-23-1/2 JAN 2012
02-49-3 JAN 2012
02-49-4 JAN 2012 03-30-1 JAN 2012
02-49-5 JAN 2012
02-49-6 JAN 2012 03-32-1/2 JAN 2012
02-49-7 JAN 2012
03-33-1 JAN 2012
02-52-1 JAN 2012
02-52-2 JAN 2012 03-53-1 JAN 2012
02-52-3 JAN 2012 03-53-2 JAN 2012
02-52-4 JAN 2012 03-53-3 JAN 2012
02-52-5 JAN 2012 03-53-4 JAN 2012
02-52-6 JAN 2012
02-52-7 JAN 2012 03-54-1 JAN 2012
02-52-8 JAN 2012
02-52-9 JAN 2012 03-57-1 JAN 2012
02-52-10 JAN 2012 03-57-2 JAN 2012
02-52-11 JAN 2012 03-57-3 JAN 2012
03-57-4 JAN 2012
02-53-1 JAN 2012 03-57-5 JAN 2012
02-53-2 JAN 2012 03-57-6 JAN 2012

02-73-1 JAN 2012 03-71-1 JAN 2012

02-73-2 JAN 2012
02-73-3 JAN 2012
02-73-4 JAN 2012

02-76-1 JAN 2012

4. Maintenance Action
Every effort shall be made by maintenance to correct all technical irregularities as early as practicable, but in any
case repair should be accomplished within the “Rectification time interval” limits and/or according to the operator’s
“MME” Approved by IRCAO.
The decision of the commander to comply with the appropriate MEL requirement and to postpone maintenance
activity will supersede any other intention. The commander must be informed by maintenance staff as soon as
practicable, should it be impossible to repair the inoperative item prior to departure.
Whenever an airplane is released by maintenance for dispatch with items inoperative, the following is required:
- The technical log book aboard the airplane must contain a detailed description of the inoperative items, special
advice to the flight crew, if necessary, and information about corrective action taken.
- When they are accessible to the crew in flight, the controls, and/or indicators related to inoperative units or
components must be clearly placarded.
- If inadvertent operation could produce a hazard such equipment must be rendered inoperative (physically) as
given in the appropriate Maintenance Procedure.
If a MEL item includes a remark that the position, or condition, of a door, control or other component requires a
visual inspection, then this inspection must be performed by qualified maintenance personnel, or a qualified flight
crew member.
5. Repair Intervals
Repairs of inoperative items or components, deferred in accordance with the MEL, must be effected at or prior to
the repair times established by the letter designators given in the "Category" column of the MEL.

Category A: No standard interval is specified, however, items in this category shall be rectified in
accordance with the conditions stated in the "Remarks or Exceptions" column of the MEL.

Category B: Items in this category shall be rectified within three (3) consecutive calendar days (72 hours),
excluding the day of the malfunction was recorded.

Category C: Items in this category shall be rectified within ten (10) consecutive calendar days (240 hours),
excluding the day of the malfunction was recorded.

Category D: Items in this category shall be rectified within one hundred and twenty (120) consecutive
calendar days (2880 hours), excluding the day of the malfunction was recorded.

6. Ferry Flights
Ferry flights may be dispatched with less than the equipment specified in this MEL provided all the equipment
expected to be utilized in flight is operable and any relevant sections of the Operations Manual are applied.
Permission for such a flight, however, must be requested from IRCAO.
7. Definitions
a) Throughout the MEL, the item sequence of FAA approved DC9 Master MEL has been retained.
Therefore items numbers followed by the words “NOT APPLICABLE” refer to items listed on the
FAA approved DC9 Master MEL, but not installed on the IRAN AIRTOUR planes. The items of the
equipment in this list are classified in systems according to the Air Transport Association (ATA)
specification. Individual items within a given ATA classification are numbered sequentially.
b) Item (column 1): The equipment, system, components or function as listed in column 1.
NOTE: Items annotated in UPPER CASE letters indicates the precise flight deck legend used.
c) Rectification Time Interval (column 2): Is the time within which the inoperative system or
component must be repaired as established by the corresponding letter designator (A, B, C or D).
d) Number Installed (column 3): The number of the specified items normally installed in the aircraft.
This number identifies the aircraft configuration considered in developing the MEL.
INTRODUCTION
ISSUE REV 00-01-3

PREAMBLE 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

e) Number Required for Dispatched (column 4): The minimum number of the specified items required
for operation provided the conditions defined in column 5 are met.
f) Remarks or Exceptions (column 5): This column includes a statement prohibiting operation or
permitting operation with a specific number of items inoperative, provisos (conditions and
limitations) for such operation and appropriate notes.
g) Placarding: Each inoperative item must be placarded to inform and remind the crew members and
maintenance personnel of the equipment condition. To the extent practicable, placards should be
located adjacent to the control or indicator for the item affected such that it is clear to the operating
crew that it or its associated system is inoperative. The placard must be installed at the earliest
possible opportunity by maintenance.
h) Inoperative: A system or item of equipment is deemed inoperative if it malfunctions such that it does
not accomplish its intended purpose and/or is not consistently functioning within its designed
operating limit(s) or tolerance(s).
i) Crew Operating Procedure: The use of this citation in column 5 indicates that an appropriate
operating procedure (or change to an existing procedure) must be established, published and utilized
to maintain the required level of safety while operating under the terms of the MEL.
Normally, these procedures are accomplished by the flight crew. However, other personnel may be
qualified and authorized to perform certain functions.
j) Maintenance Procedure Required: The use of this citation in column 5 indicates that an
appropriate maintenance procedure must be established, published and utilized prior to the first flight
undertaken following discovery of the defect and, if necessary, repeated at specified intervals during
operation under the terms of the MEL to maintain the required level of safety.
Normally, these procedures are accomplished by maintenance personnel. However, other personnel
may be qualified and authorized to perform certain functions.
NOTE: Where an item is annotated (O/M) the "/" is defined as "and/or", which shows that there may
be different options available in respect of the MEL procedures.
k) Icing Conditions: The definition of this term is that used in the Aircraft Flight Manual, Limitations.
Ice and Rain Protection.
l) Flight Hour: The time from the moment an aircraft leaves the surface of the earth until lit touches it
at the next point of landing.
m) Flight Day: A 24 hour period (from midnight to midnight) during which at least one flight is
scheduled for the affected aircraft.
n) System: System means the group of directly related components which together performs a specified
function, for example "RPM indication system" would include the RPM indicator, tachometer
generator, circuit breaker and associated circuitry.
o) Extended Overwater Flight: Refers to an operation over water at a horizontal distance
of more than 50 nautical miles from the nearest shore line.
p) Calendar Day: A period of 24h elapsed time commencing at midnight on the day of discovery and
recording of a malfunction in the aircraft's record/logbook and ending at midnight on the next day.
For example, if it were recorded at 10am on January 26th that a malfunction had occurred, and the
MEL allowed three calendar days for completion of repairs or replacements, the three day interval
would commence at midnight on 26th January and end at midnight on 29th January.
q) Dispatch: The point at which an aircraft first moves under its own power for the purpose of
commencing a flight.
r) Maintenance Facility: Where the MEL states the condition and proviso The aircraft may continue
the flight or series of flights but shall not depart an airport where repairs or replacements can be
made", the airport is one at which there are available spares, mechanics, any necessary tools or
equipment, time and any required facilities (hangar etc).
s) AMM: Aircraft Maintenance Manual. "Proceed according to AMM - means maintenance action is
required prior to take-off.
t) CDL: Configuration Deviation List.
u) Class 1 Navigation Airspace: Airspace that is within the limits of the operational service volume of
ground based navigation aids.
INTRODUCTION
ISSUE REV 00-01-4

PREAMBLE 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

v) Class 2 Navigation Airspace: Airspace that is beyond the limits of the operational service volume of
ground based navigation aids.
w) RVSM Airspace: Reduced Vertical Separation Airspace (RVSM) is any airspace or route between
FL 290 and FL 410 inclusive where aircraft are separated vertically by 300m (1,000ft).
x) “Considered Inoperative”, as used in the provisos means that item must be treated for dispatch, taxi
and flight purposes as though it were inoperative. The item shall not be used or operated until the
original deferred item is repaired. Additional actions include: documenting the item on the dispatch
release (if applicable), placarding, and complying with all remarks, exceptions, and related MMEL
provisions, including any (M) and (O) procedures and observing the repair category.
y) “Is not used” in the provisos, remarks or exceptions for an MMEL item may specify that another
item relieved in the MMEL “is not used.” In such cases, crewmembers should not activate, actuate, or
otherwise utilize that component or system under normal operations. It is not necessary for the
operators to accomplish the (M) procedures associated with the item. However, operational
requirements must be complied with, and an additional placard must be affixed, to the extent
practical, adjacent to the control or indicator the item that is not used to inform crewmembers that a
component or system is not to be used under normal operations.
z) Nonessential equipment and furnishings (NEF) are those items installed on the aircraft as part of the
original certification, supplemental type certificate, or engineering order that have no effect on the
safe operation of flight and would not be required by the applicable certification rules or operational
rules. They are those items that if inoperative, damaged or missing have no effect on the aircraft’s
ability to be operated safely under all operational conditions. These nonessential items may be
installed in areas including, but not limited to, the passenger compartment, flight deck area, service
areas, crew rest areas, lavatories, and galley areas. NEF items are not items already identified in the
manufacturer’s maintenance manual or operator’s approved maintenance program such as wear limits,
fuel/hydraulic leak rates, oil consumption, etc. Cosmetic items that are fully serviceable but worn or
soiled may be deferred under an operator’s NEF process.

8. Approval
The IAT person signing the list of effective pages certifies that this MEL does fully comply with all the
requirements of the current MEL Guidance material issued by IRCAO. The IRCAO approval on the list of
effective pages certifies the compliance with national regulations and policies of those items deviating from the
MMEL, where these items are marked as such.
MINIMUM EQUIPMENT LIST
ISSUE REV 01-00-1

TABLE OF CONTENTS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

SECTION 1

MINIMUM EQUIPMENT LIST

21 AIR CONDITIONING 01-21-1 to 14

22 AUTOMATIC FLIGHT CONTROL 01-22-1 to 4

23 COMMUNICATIONS 01-23-1 to 4

24 ELECTRICAL POWER 01-24-1 to 4

25 EQUIPMENT/FURNISHINGS 01-25-1 to 4

26 FIRE PROTECTION 01-26-1 to 2

27 FLIGHT CONTROLS 01-27-1 lo 5

28 FUEL 01-28 1 to 4

29 HYDRAULIC POWER 01-29-1 to 2

30 ICE AND RAIN PROTECTION 01-30-1 to 3

31 INSTRUMENTS 01-31-1 to 2

32 LANDING GEAR 01-32-2

33 LIGHTS 01-33-1 to 5

34 NAVIGATION 01-34-1 to 9

35 OXYGEN 01-35-1 to 2

36 PNEUMATIC 01-36-1 to 2

38 WATER/WASTE 01-38-1

49 AUXILIARY POWER UNIT 01-49-1 to 2

52 DOORS 01-52 1 lo 3

53 FUSELAGE 01-53-1

56 WINDOWS 01-56-1

73 ENGINE FUEL AND CONTROL 01-73-1 to 4

74 IGNITION 01-74-1

76 ENGINE CONTROL 01-76-1

77 ENGINE INDICATING 01-77-1 to 2

78 EXHAUST 01-78-1

79 OIL 01-79-1

80 STARTING 01-80-1
MINIMUM EQUIPMENT LIST
ISSUE REV 01-21-1

21-AIR CONDITIONING 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

21-AIR CONDITIONING 5. Remarks and/or Exceptions

-1 Air Conditioning System [01] C 2 1 May be inoperative provided:

a) The airplane remains at or below FL 250, and
b) Associated Flow Control Valve is deactivated CLOSED,
and
c) ER operations are not conducted.

Crew Operating Procedure

- Turn OFF operative pack for take-off.
- Set "Packs Off" EPR on both engines. ,
- After take-off restore operative pack at 400 ft AGL or flaps
retraction whichever is higher.
For this option. TRC and Autothrottles may be used:
- If ART is AUTO. set "Normal Packs Off" EPR settings.
- If ART is OFF, set "Maximum Packs Off EPR setting.

Maintenance Procedure Required

[02] C 2 0 May be inoperative provided:

a) Flight is conducted in an unpressurized configuration
(<10000 ft MSL),
b) Ram Air Valve System is operative, and
c) Associated Flow control Valve is deactivated CLOSED.

Crew Operating Procedure

BEFORE TAKEOFF
- Move cabin pressure control lever down to manual
position, depress and rotate the cabin pressure control
wheel to INCR (VALVE CLOSE) position.
- Move the ram air switch to ON.
TAKEOFF/LANDING
- Set packs off EPR on both engines.
- To avoid passenger discomfort, limit climb and descent
rates to 500 fpm.
- If radio rack fans should become inoperative limit use of
radio components to minimum number required.
- Limit flight altitude to a maximum of 10,000 ft. MSL.

NOTE: TRC, Autothrottles, ART (if installed) may be used in

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

21-AIR CONDITIONING 5. Remarks and/or Exceptions

- Cabin may be ventilated by ram air valve.

TAKEOFF
- When reaching 1500 ft AGL, after selecting CLB on
TRI one at a time turn both packs on.
- If engine failure occurs, do not turn packs on until slats
retraction is completed.
- Ram air valve should be closed after takeoff.
DESCENT
- Set 3000 ft AGL in the landing altitude window so that
cabin is unpressurized when the packs are turned off.
APPROACH
In view of possible one engine go-around:
- Turn both packs off.
- Set pack off EPR on both engines in case of go-around.
- Cabin may be ventilated by ram air valve.

Maintenance Procedure Required

-6 NOT APPLICABLE

-7 Air Conditioning Flow C 2 1 May be inoperative provided:

Control Valve a) Associated Flow Control Valve is
CLOSED,
b) Associated Air Conditioning
System is not used,
c) Airplane remains at or below FL
250, and
d) ER operations are not conducted.
Maintenance Procedure Required

C 2 0 May be inoperative provided:

a) Flight is conducted in an
unpressurized configuration,
b) Ram Air Valve System is
operative,
c) Air Conditioning Systems are not
used, and
d) ER operations are not conducted.
Maintenance Procedure Required
MINIMUM EQUIPMENT LIST ISSUE REV 01-21-4

21-AIR CONDITIONING
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

21-AIR CONDITIONING 5. Remarks and/or Exceptions

-8 Air Conditioning C 2 1 May be inoperative provided:

Pressure Regulator Valve a) Associated Flow Control Valve is
CLOSED,
b) Associated Air Conditioning
System is not used,
c) Airplane remains at or below FL
250, and
d) ER operations are not conducted.

C 2 1 May be inoperative provided:

a) Flight is conducted in an
unpressurized configuration,
b) Ram Air Valve System is
operative,
c) Air Conditioning System are not
used, and
d) ER operations are not conducted.

Maintenance Procedure Required

-9 Ram Air Valve [01] C 1 0 May be inoperative provided:

a) Ram Air Valve is OPEN, and
b) All Ground Air Conditioning Check
Valves are operative.
[02] C 1 0 May be inoperative provided;
a) Ram Air Valve is CLOSED,
b) Both Air Conditioning Systems are
operative, and
c) ER operations are not conducted.
Maintenance Procedure Required

-10 Compressor Discharge C 4 0 May be inoperative provided: a)

and Turbine Inlet Associated Air Conditioning
Thermal Switches System(s) are not operated before
becoming airborne, and
b) Associated Air Conditioning
System(s) are selected OFF before landing.
Crew Operating Procedure
One Pack Affected:
BEFORE TAKEOFF
- Leave on operative pack.
- Turn off affected pack.
- Set packs on EPR on both engines.
NOTE: TRC will provide EPR setting for engine with
operative pack. Autothrottle may be used
TAKEOFF
- When reaching 1500 ft AGL, after selecting CLB on
TRI turn affected pack on.
APPROACH
- Turn off affected pack.
- Set packs on EPR on both engines in case of go-
around.
Both Packs Affected
BEFORE TAKEOFF
- Turn both packs off.
- Set packs off EPR on both engines.
MINIMUM EQUIPMENT LIST
ISSUE REV 01-21-5

21-AIR CONDITIONING 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

21-AIR CONDITIONING 5. Remarks and/or Exceptions

- Cabin may be ventilated by ram air valve.

TAKEOFF
- When reaching 1500 ft AGL, after selecting CLB on TRI
one at a time turn both packs on.
- Ram air valve should be closed after takeoff.
DESCENT
- Set 3000 ft AGL in the landing altitude window so that cabin
is unpressurized when the packs are turned off.
APPROACH
- Turn both packs off.
- Set pack off EPR on both engines in case of go- around.
- Cabin may be ventilated by ram air valve.

Compressor Discharge or Turbine Inlet Thermal Switches

inoperative:
a) Ensure affected AIR CONDITIONING SUPPLY switch(es)
is (are) OFF while aircraft is on the ground.
b) Following a normal takeoff, after a minimum of 400 feet
AGL is attained, select AIR CONDITIONING SUPPLY
Switch(s) to AUTO or as required, one at a time.
c). In the event of an engine failure on takeoff, select AIR
CONDITIONING SUPPLY Switch on the remaining engine to
AUTO and AIR COND AUTO SHUTOFF switch to OVRD
only after obstacle clearance is assured, and not before flap
retraction.
d) Prior to landing select affected AIR
CONDITIONING SUPPLY switch(es) to OFF.

Maintenance Procedure Required

-11 Air Conditioning System C 2 1 May be inoperative provided;

Shutdown Thermal a) Associated Air Conditioning
Switches System is not used,
b) Airplane remains at or below FL
250, and
c) ER operations are not conducted.

C 2 0 May be inoperative provided;

a) Flight is conducted in an
unpressurized configuration,
b) Ram Air Valve System is
operative,
c) Air Conditioning Systems are not
used, and
d) ER operations are not conducted.
Crew Operating Procedure
Refer to item 21-1
Maintenance Procedure Required

-12 Heat Exchanger Cooling C 2 0 May be inoperative provided:

Fans a) Associated Air Conditioning System is not operated before
becoming airborne, and
b) Associated Air Conditioning System is selected OFF before
landing.
Crew Operating Procedure
MINIMUM EQUIPMENT LIST ISSUE REV 01-21-6

21-AIR CONDITIONING
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

21-AIR CONDITIONING 5. Remarks and/or Exceptions

Refer to COP item 21-10

- Ensure affected AIR CONDITIONING SUPPLY switch(s)
are OFF while aircraft is on ground.
- Following a normal takeoff, after a minimum of 400 feet
AGL is attained, select AIR CONDITIONING SUPPLY
Switch(es) to AUTO or as required, one at a time.
- In the event of an engine failure on takeoff, select AIR
CONDITIONING SUPPLY Switch on the remaining
engine to AUTO and AIR CONDITIONING AUTO
SHUTOFF switch to OVRD only after obstacle clearance
is assured, and not before flap retraction.
- Prior to landing, select affected AIR CONDITIONING
SUPPLY switch(es) to OFF.

Maintenance Procedure Required

-13 Air Conditioning Water [01] C 2 1 May be inoperative provided:

Separators a) Associated Air Conditioning System is not used,
b) The airplane remains at or below FL 250.
c) ER operations are not conducted.

[02] C 2 0 May be inoperative provided:

a) Flight is conducted in an unpressurized configuration
(<10'000ft MSL),
b) Ram Air Valve System is operative.
c) Air Conditioning Systems are not used.
d) ER operations are not conducted.
Crew Operating Procedure
Refer to item 21-1
Maintenance Procedure Required
Refer to item 21-1

-14 Ground Air Conditioning [01] C 1 0 May be inoperative OPEN provided:

Check Valves 1) Associated Ground Conditioned Air Connector Door is
CLOSED and LATCHED, and
2) Flight is conducted in an unpressurized configuration.

[02] C 1 0 May be inoperative OPEN provided:

1) Associated Ground Conditioned Air Connector Door is
CLOSED and LATCHED, and
2) Airplane remains at or below FL 250.
Crew Operating Procedure
- Pull the CABIN PRESSURE CONTROL c/b's (H2, J2,
U22, W 22).
- Select manual cabin pressure control and move the cabin
pressure control wheel to full DECR (VALVE OPEN)
position.
- Use normal air conditioning procedure.
NOTE: For passengers comfort limit climb and descent rates to
500 fpm.

Maintenance Procedure Required

MINIMUM EQUIPMENT LIST
ISSUE REV 01-21-7

One High Pressure Bleed Shut-Off Temperature Sensor System
inoperative:
- Select affected AIR CONDITIONING SUPPLY switch
to HP BLD OFF.
- Avoid icing conditions.
- In the event the good pack subsequently fails in flight so
that cabin inflow during descent becomes inadequate to
pressurize the airplane, cabin altitude can be limited by
advancing the throttle on the engine with HP BLD OFF
operation and, if necessary, adding drag to the airplane to
allow descent at high engine power

[02] C 2 0 May be inoperative provided:

a) Both Air Conditioning System supply switches remain in HP
BLD OFF,
b) Flight is not made in known or forecast icing conditions, and
c) Airplane remains at or below 10,000 feet MSL.

Crew Operating Procedure

Both High Pressure Bleed Shut-Off Temperature Sensor
Systems inoperative:
- Select both AIR CONDITIONING SUPPLY switches to
HP BLD OFF.
- Limit flight altitude to 10,000 feet MSL or below.
- Avoid icing conditions.
- During descent, if cabin inflow becomes inadequate for
comfort, advance one engine throttle and, if necessary,
add drag to the airplane to allow descent at high engine
power. As an alternate, use ram air ventilation.

-18 Radio Rack Venturi Deleted in MMEL Rev. 22

Restrictor Valve

-19 Radio Rack Fan Off. C 1 0 May be inoperative provided an audible check is made for
Annunciator System satisfactory Radio Rack Fan operation before each takeoff

Maintenance Procedure Required

-20 NOT APPLICABLE

MINIMUM EQUIPMENT LIST ISSUE REV 01-21-9

21-AIR CONDITIONING
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

21-AIR CONDITIONING 5. Remarks and/or Exceptions

-21 Radio Rack Cooling

Fans
1) Primary Fan C 1 0 May be inoperative provided Standby Fan is operative.
NOTE: Effect on live animal and temperature sensitive cargo
transport should be considered. Advice appropriate personnel.

Crew Operating Procedure

Primary fan only is inoperative:
If "RADIO FAN OFF" light illuminates in flight, select RADIO
RACK switch to VENTURI.
Maintenance Procedure Required

2) Standby Fan C 1 0 May be inoperative provided Primary Fan is operative.

3) Primary and Standby C 2 0 May be inoperative provided:

Fans a) Both Air Conditioning Systems are available for pressurized
flight,
b) The radio rack switch is placed in VENTURI (overboard)
position, and
c) Ground operation of electronic equipment is limited to a
maximum of 45 minutes.
NOTE: Effect on live animal and temperature sensitive cargo
transport should be considered.
Advice appropriate personnel.
Crew Operating Procedure
If both radio rack cooling fans are inoperative, ground
operation of electronic equipment is limited to 45 minutes.

Maintenance Procedure Required

-22 NOT APPLICABLE

-23 Radio Rack Fan and [01] C 2 1 May be inoperative CLOSED provided associated fan circuit
Standby Radio Rack Fan breakers remain OPEN.
Check Valves
Crew Operating Procedure
Either Radio Rack Fan Check Valve or Standby Radio Rack
Fan Check Valve inoperative in closed position:
a) If "RADIO FAN OFF" light is illuminated in flight, select
RADIO RACK switch to VENTURI.
Maintenance Procedure Required

[02] C 2 0 May be inoperative provided:

1)Both Air Conditioning Systems are available for
pressurized flight,
2) Radio Rack cooling selector switch remains in VENTURI ,
and
3) Ground operation of electronic equipment is limited to a
maximum of 45 minutes.
NOTE: Effect on live animal and temperature sensitive cargo
transport should be considered. Advice appropriate personnel.
Maintenance Procedure Required
MINIMUM EQUIPMENT LIST
ISSUE REV 01-21-10

21-AIR CONDITIONING 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

21-AIR CONDITIONING 5. Remarks and/or Exceptions

-24 Dual Cabin Pressure [01] C 2 1

May be inoperative provided ER operations are
Automatic Control
not conducted.
System

[02] C 2 0 May be inoperative provided:

a) Manual Pressurization System is operative,
b) Autopilot is operative in all axes (pitch, roll, and yaw), and
c) ER operations are not conducted.

Crew Operating Procedure

Apply Cond Proc MANUAL PRESSURIZATION CONTROL

Maintenance Procedure Required

[03] C 2 0 May be inoperative provided:

a) Flight is conducted in an unpressurized
configuration,
b) Cabin Air Outflow Valve remains OPEN, and
c) ER operations are not conducted.

Crew Operating Procedure

NOTE: Refer to O.M. General Basic “FLIGHT WITH
DEPRESSURIZED CABIN”
- Select manual cabin pressure control wheel to full DECR
(VALVE OPEN) position.
- Use normal air conditioning procedure.
NOTE: For passengers comfort limit climb and descent rates
to 500 fpm.
Maintenance Procedure Required

-25 Cabin Air Outflow Valve C 1 0 May be inoperative provided:

1) Flight is conducted in an unpressurized configuration,
2) Cabin Air Outflow Valve is secured OPEN, and
3) Extended overwater flight (an operation over water at a
horizontal distance of more than 50 nautical miles from
the nearest shoreline) is prohibited.
Crew Operating Procedure
- Select manual cabin pressure control and move the cabin
pressure control wheel to full DECR (VALVE OPEN)
position.
- Use normal air conditioning procedure.
NOTE: For passengers comfort limit climb and descent rates
to 500 fpm.
-26 Cabin Pressure Safety C 2 0 May be inoperative provided:
Valves 1) Flight is conducted in an unpressurized configuration.
2) Cabin Air Outflow Valve is secured OPEN, and
3) Extended overwater flight (an operation over water at a
horizontal distance of more than 50 nautical miles from the
nearest shoreline) is prohibited.
Crew Operating Procedure
NOTE: Refer to O.M. General Basic “FLIGHT WITH
MINIMUM EQUIPMENT LIST
ISSUE REV 01-21-11

21-AIR CONDITIONING 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

21-AIR CONDITIONING 5. Remarks and/or Exceptions

DEPRESSURIZED CABIN”
- Select manual cabin pressure control and move the cabin
pressure control wheel to full DECR (VALVE OPEN)
position.
- Use normal air conditioning procedure.
NOTE: For passengers comfort limit climb and descent rates to
500 fpm.
Maintenance Procedure Required

-27 Cabin Altitude Warning C 1 0 May be inoperative provided the airplane remains at or
System below 10000 feet MSL.

1) CABIN ALT Light C 1 0 May be inoperative provided a Cabin

Altitude Aural Warning System is operative.
2) Aural Warning C 1 0 May be inoperative provided Cabin
Altitude Warning Light System is operative.

-28 CABIN ALT and DIFF C 1 0 May be inoperative provided:

PRESS Indicator 1) Flight is conducted in an unpressurized configuration, and
2) The Cabin Air Outflow Valve remains OPEN.
Crew Operating Procedure
- Check CABIN PRESSURE CONTROL c/b's (H2, J2, U22.
W22) pulled.
- Check cabin pressure control lever down to manual
position, and outflow valve position indicator to full DECR
(VALVE OPEN) position.
- Use normal air conditioning procedures.
NOTE: For passenger comfort limit climb and descent rates to
500 fpm.
Maintenance Procedure Required

1) CABIN ALT C 1 0 May be inoperative provided:

Indication a) Cabin DIFFERENTIAL PRESSURE portion of the indicator
is operative,
b) A chart is provided to the crew to convert cabin differential
pressure to cabin altitude,
c) Takeoffs or landings are not conducted at airports with a
field elevation greater than 8500 feet MSL, and
d) ER operations are not conducted.
Crew Operating Procedure
Use conversion chart shown on Fig 21-28-1

2) DIFF PRESS C 1 0 May be inoperative provided:

Indication a) Cabin ALTITUDE portion of the indicator is operative,
b) A chart is provided to the crew to convert cabin altitude to
cabin differential pressure, and
c) ER operations are not conducted.
Crew Operating Procedure
Use conversion chart shown on Fig 21-28-1

-29 CABIN RATE-of- C 1 0 May be inoperative provided all other components of the
CLIMB Indicator cabin pressurization control system are operative.
MINIMUM EQUIPMENT LIST
ISSUE REV 01-21-12

21-AIR CONDITIONING 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

21-AIR CONDITIONING 5. Remarks and/or Exceptions

Maintenance Procedure Required

C 1 0 May be inoperative provided:

1) Flight is conducted in an unpressurized configuration, and
2) The Cabin Air Outflow Valve remains OPEN.

NOTE: The additional cabin climb indicator may be

inoperative without restrictions.
Crew Operating Procedure
- Check CABIN PRESSURE CONTROL c/b's (H2, J2, U22,
W22) pulled.
- Check cabin pressure control lever down to manual
position and outflow valve position indicator to full DECR
(VALVE OPEN) position.
- Use normal air conditioning procedures.
NOTE: For passenger comfort limit climb and descent rates to 500
fpm.
Maintenance Procedure Required
MINIMUM EQUIPMENT LIST
ISSUE REV 01-21-13

21-AIR CONDITIONING 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

21-AIR CONDITIONING 5. Remarks and/or Exceptions

Fig 21-28-1

-30 Cockpit/Cabin Auto [01] C 2 0 May be inoperative provided:

Temperature Control 1)The associated Manual Temperature Control System is
System operative, and
2) Cabin/Duct/Supply Temperature Indicating Systems are
operative;
MINIMUM EQUIPMENT LIST ISSUE REV 01-21-14

21-AIR CONDITIONING
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

21-AIR CONDITIONING 5. Remarks and/or Exceptions

[02] C 2 1 May be inoperative provided:

a) Associated Air Conditioning
System is not used,
b) Airplane remains at or below FL
250, and
c) ER operations are not conducted.
Crew Operating Procedure –refer to item 21-1

[03] C 2 0 May be inoperative provided:

a) Flight is conducted in an unpressurized configuration,
b) Ram Air Valve System is operative,
c) Air Conditioning Systems are not used, and
d) ER operations are not conducted.

-31 L/R Temperature Control C 2 0 May be inoperative provided the associated Automatic
Valve Position Indicating Temperature Control System is operative.
System

-32 NOT APPLICABLE

-33 Cockpit/Cabin [01] C 2 1 May be inoperative provided:

Temperature Control a) Associated Air Conditioning System is not used,
Valve b) Airplane remains at or below FL 250, and
c) ER operations are not conducted.
Crew Operating Procedure – refer to 21-1

[02] C 2 0 May be inoperative provided:

a) Flight is conducted in unpressurized configuration,
b) Ram Air Valve System is operative,
c) Air conditioning System is not used,
And
d) ER operations are not conducted.
Crew Operating Procedure – refer to 21-1

Maintenance Procedure Required

-34 Water Separator C 2 1 May be inoperative provided:

Temperature Control a) Associated Air Conditioning System is not used,
Valves b) Airplane remains at or below FL250, and
c) ER operations are not conducted.
Crew Operating Procedure – refer to 21-1

May be inoperative provided:

C 2 0 a) Flight is conducted in an unpressurized configuration,
b) Ram Air Valve System is operative,
c) Air Conditioning Systems are not
used, and
d) ER operations are not conducted.

Maintenance Procedure Required

-35 Tail Compartment Deleted in MMEL Rev 22

Temperature High
Indicating System
MINIMUM EQUIPMENT LIST ISSUE REV 01-21-15

21-AIR CONDITIONING
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

21-AIR CONDITIONING 5. Remarks and/or Exceptions

-36 Turbine By-Pass (Nozzle [01] C 2 1 May be inoperative in the CLOSED position provided flight
Shut-Off) Valve altitude is limited to FL 250 or below.
Crew Operating Procedure
Operate both A/C sys for comfort; affected pack provides
less flow than normal.

[02] C 2 0 May be inoperative provided associated valve is secured

OPEN.
Crew Operating Procedure Both
packs are operable. Maintenance
Procedure Required

-37 Cockpit/Cabin Auto C 2 0 May be inoperative provided associated Air Conditioning

Temperature Control System is not used.
System
Refer to item 21-1.
Maintenance Procedure Required

-38 NOT APPLICABLE

-39 Air Conditioning [01] C 2 1 May be inoperative provided:

Pressure Regulator a) Associated Air Conditioning
Ground Control Valve(s) System is not used,
b) Airplane remains at or below FL
250,
c) Associated Valve is CLOSED, and
d) ER operations are not conducted.

Refer to item 21-1

[02] C 2 0 May be inoperative provided:
a) Flight is conducted in an unpressurized configuration,
b) Ram Air Valve System is operative,
c) Air Conditioning Systems are not used,
d) Valves are CLOSED, and
e) ER operations are not conducted.

Refer to item 21-1.

[03] May be inoperative provided the
C 2 0 associated valve remains OPEN.

Maintenance Procedure Required

-40 Dual Cabin Pressure Combined with item 21-24

Control System

-41 Bleed Air Cleaner D 2 0

System ( Excludes
Centrifugal Filters)
-42 Cockpit Instruments C 1 0
Cooling Fan
-43 Cabin Air Recirculation C 1 0
Fan
MINIMUM EQUIPMENT LIST ISSUE REV 01-21-16

21-AIR CONDITIONING
1 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

21-AIR CONDITIONING 5. Remarks and/or Exceptions

-44 Mid Cargo Compartment C 1 0

Heating Fan

-45 Altitude Bias Control [01] C 2 0 May be inoperative provided:

Systems a) Altitude Bias Control is in the no-flow-to-ambient position (no
altitude bias), and
b) Airplane remains at or below FL 250
Crew Operating Procedure
Operate both packs normally. In the event of subsequent
loss of pack, climb and cruise pack operation will be normal,
but in descent, cabin altitude may climb. In this event.
advance thrust lever on engine supplying remaining pack
until pressure on air conditioning supply pressure indicator
stops increasing (approximately 21 psi).
Cabin altitude should not exceed 8000 feet. When airplane
descends sufficiently so that the cabin stops climbing and
starts descending, increase the cabin rate and hold the
airplane at altitude until the cabin descends to normal
values. Then continue normally.

[02] C 2 0 May be inoperative in the flow-to-ambient position (altitude

bias on).
NOTE: The packs may be used to enhance passenger
comfort. With large passenger loads the cabin may become
warm at the end of flight. Pressurization capability Is not
affected.
Maintenance Procedure Required
-46 Left Heat Exchanger [01] D 1 0 May be inoperative provided the Exhaust Flow Control valve
Ram Air Exhaust remains OPEN.
Control System
Maintenance Procedure Required
[02] D 1 0 May be inoperative provided:
1) The Exhaust Flow Control Valve remains CLOSED, and
2) The left Air Conditioning System is not used.
3) Airplane remains at or below FL 250

Refer to item 21-1.

Maintenance Procedure Required
[03] D 1 0 May be inoperative provided:
1 ) The Exhaust Flow Control Valve remains CLOSED, and
2) The left Air Conditioning System is operated only in flight
with RAT of 10°C or less.
Crew Operating Procedure
Left Air Conditioning System may be used only in flight with
RAT of 10°C or less.
Maintenance Procedure Required
-47 Cockpit Temperature [01] C 1 0 May be inoperative with the thermal switch failed in the
Control 130˚F Limit CLOSED position provided power is restored to the "more
System heat" side of the temperature control valve.

Maintenance Procedure Required

MINIMUM EQUIPMENT LIST ISSUE REV 01-21-17

21-AIR CONDITIONING
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

21-AIR CONDITIONING 5. Remarks and/or Exceptions

[02] C 1 0 May be inoperative failed OPEN

Maintenance Procedure Required

- 48 Air Conditioning Flow C 2 0

Indicating Systems
- 49 Cockpit Instrument C 1 0
Cooling Fan Flow Indicator

- 50 NOT APPLICABLE

- 51 NOT APPLICABLE

- 52 FWD Cargo C 1 0 May be inoperative provided system is DEACTIVATED.

Compartment Heater System
NOTE: Effect on live animal and temperature sensitive cargo
transport should be considered.
Advice appropriate personnel
Maintenance Procedure Required
- 53 AHRU Tray Mounted C 3 0
Cooling fans
MINIMUM EQUIPMENT LIST ISSUE REV 01-22-1

22-AUTOMATIC FLIGHT CONTROL

1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

22-AUTOMATIC FLIGHT 5. Remarks and/or Exceptions

CONTROL

-1 NOT APPLICABLE

-2 NOT APPLICABLE

-3 Elevator and Aileron C 2 0 May be inoperative provided:

Drive Servo a) At least one automatic cabin pressurization system is
operative for pressurized flight,
b) Associated autopilot axis computer is not used, and
c) Enroute operations (RVSM) and/or approach minimums do
not require its use.
-4 NOT APPLICABLE

-5 NOT APPLICABLE
-6 NOT APPLICABLE
-7 Air Data Computer (See MMEL Item 34-31)

-8 Mach Trim Compensation C 1 0 May be inoperative provided AFM Limitations regarding flight
Override Switch speed are applied.
Crew Operating Procedure
Prior to flight, select MACH TRIM COMP switch to OVRD
position
-9 NOT APPLICABLE
-10 Autopilot Disengage [01] C 2 1 May be inoperative provided:
Warning Lights a) Pilot controlling the airplane with the autopilot has the
operative one, and
b) Autopilot is not used below 1500 ft AGL.
NOTE: Both required for CAT II

[02] B 2 0 May be inoperative provided:

a) Autopilot is not engaged in any axis,
b) At least one automatic cabin pressurization system is
operative for pressurized flight, and
c) Enroute operations (RVSM) and/or approach minimums do
not require its use.
Refer to item 22- 15-1.

-11 Autopilot Control Wheel [01] C 2 1 May be inoperative provided:

Disengage Switches a) Pilot controlling the airplane with the autopilot has the
operative button, and
b) Autopilot is not used below 1500 ft AGL.
c) Approach minimums do not require the use of the autopilot.
NOTE: Both required for CAT II

[02] B 2 0 May be inoperative provided:

a) Autopilot is not engaged in any axis.
b) At least one automatic cabin pressurization system is
operative for pressurized flight, and
c) Enroute operations (RVSM) and/or approach minimums do
not require its use.
Refer to item 22- 15-1.

-12 Auto Throttle Off Lights [01] C 2 1 May be inoperative provided pilot using Auto Throttle has
(A/T) operative Off light.
MINIMUM EQUIPMENT LIST
ISSUE REV 01-22-2

22-AUTOMATIC FLIGHT CONTROL 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

22-AUTOMATIC FLIGHT 5. Remarks and/or Exceptions

CONTROL

[02] C 2 0 May be inoperative provided associated A/T System is not

used.

-13 NOT APPLICABLE

-14 Digital Flight Guidance [01] C 2 1 May be inoperative provided approach minimums do not
System (DFGS) require its use.
Computers NOTE: One required for CAT II

[02] B 2 0 May be inoperative provided:

a) VMC exists at departure airport, en route and are
forecast to exist at destination airport at time of arrival.
b) At least one automatic cabin pressurization system is
operative for pressurized flight,
c) The limitation specified in item 22-15, "1" through
"15", Remarks section (column 5) are met, and
d) Enroute operations (RVSM) do not require its use.

-15 Digital Flight Guidance

System (DFGS) Functions

1) Autopilot [01] C 2 1 NOTE: One required for CAT II

[02] B 2 0 May be inoperative provided:
a) At least one Automatic Cabin Pressurization System is
operative for pressurized flight,
b) Enroute operations and/or approach minimums do not
require its use, and
c) ER operations are not conducted.
NOTES:
- Associated Flight Director System may be affected.
- RVSM operations are not allowed.

a) ALT Hold [01] C 2 1 May be inoperative provided Altitude Alert System and
Warning is operative.

[02] B 2 0 May be inoperative provided:

a) Enroute operations do not require its use, and
Altitude Alert System and Warning is operative.

b) Altitude Preselect C 2 0 NOTE: Altitude Alerter may be affected. Refer to item

Mode (Arming 34-28.
Function)

c) Vert Speed C 2 0

d) IAS/MACH Hold C 2 0

e) Perf Mode C 2 0

f) VNAV C 2 0

g) VOR/LOC C 2 0 NOTE: One required for CAT II

h) ILS C 2 0 May be inoperative provided approach minimums do not

require use.
MINIMUM EQUIPMENT LIST ISSUE REV 01-22-3

22-AUTOMATIC FLIGHT CONTROL

1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

22-AUTOMATIC FLIGHT 5. Remarks and/or Exceptions

CONTROL

NOTE: One required for CAT II

i) Autoland C 2 0 May be inoperative provided approach minimums do not

require use.
j) HDG Hold C 2 1

B 2 0

k) HDG SEL C 2 0

l) TURB Mode C 2 0

m) NAV Mode C 2 0

n) FMS OVRD C 2 0

2) Auto throttle C 2 0 May be inoperative provided approach minimums do not

require its use.
3) Speed Control C 2 0

4) Flight Director Refer to Item 34-16

5) Auto Reserve Thrust Refer to Item 73-8

6) Yaw Damper C 2 0 May be inoperative provided actuator is left installed.

Crew Operating Procedure
When yaw damper is inoperative, the yaw damper switch
should be in the OVRD position

NOTE: In the OFF position, the yaw damper will be engaged

when the autopilot is on. In the OVRD position, power is
removed from the yaw damper actuator regardless of AP
status.

Maintenance Procedure Required

7) Mach Trim C 2 0 May be inoperative provided:

a) The actuator is verified in the RETRACTED position, and
b) Flight speed is restricted to MMO = .78 M
Crew Operating Procedure
See AFM for operating restrictions.
Mach Trim Comp switch should be in OVRD.
Maintenance Procedure Required

8) Altitude Alerting Refer to Items 31-5 and 34-28

9) Thrust Rating/EPR Refer to Items 34-9

Limit
10) Flight Mode [01] C 2 1 May be inoperative provided:
Annunciators (FMA) a) The pilot controlling the airplane using the F/D and/or A/P
and/or ATS has an operative FMA, and
b) Approach procedures are not predicated on use of the
A/P, F/D or Auto Throttle system and
c) ER operations are not conducted
Refer to item 22-15-1.
Crew Operating Procedure
MINIMUM EQUIPMENT LIST ISSUE REV 01-22-4

22-AUTOMATIC FLIGHT CONTROL

1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

22-AUTOMATIC FLIGHT 5. Remarks and/or Exceptions

CONTROL

- Observe weather minimums for single Flight Director

approach.
- Pilot with the operative FMA will control the aircraft.

[02] B 2 0 May be inoperative provided

a) VMC conditions exist at departure airport, enroute and
are forecast to exist at destination airport at time of
arrival, and
b) F/D, A/P, and Auto Throttle system are not used and,
c) Enroute operations (RVSM) do not require its use.
Refer to item 22-15a).
d) Enroute operations are not conducted

NOTE: Inoperative Flight Director and A/P Engaged Blue An-

nunciators do not render FMA inoperative.

11) DFGS Autothrottle C 2 0 Refer to Item 76-1b

EPR Synchronization

12) FMA Flight Director D 2 0 Crew Operating Procedure

Engaged Blue Determine FD on/off status from FD switch position.
Annunciator

13) FMA A/P 1 and A/P 2 D 4 0

Engaged Blue
Annunciators

14) NOT APPLICABLE

15) Auto Pitch Trim C 2 0 May be inoperative provided:

a) It is verified that Manual Alternate Trim is operative, and
b) Alternate procedures are established and used if Autopilot is
to be used for approach and landing.
Crew Operating Procedure
- Verify Manual Alternate Trim functions properly by
moving Alternate Trim Switch Levers on the center
pedestal and observing movement of the longitudinal trim
position indicator.
- In flight, trim aircraft manually prior to engaging autopilot.
- Monitor the AP TRIM (amber) lights on the FMA while
the Autopilot is engaged.
- If AP TRIM light comes on, retrim by either of the
following:
1) Operation of the alternate trim switches on the pedestal (
witch does not require Autopilot disconnect), or
2) Disconnect the Autopilot, manually trim the aircraft
using the control Wheel Trim Switches or LONG TRIM
handles ( suitcase handles) on the pedestal, and then
reengage the Autopilot.
- If the Autopilot is to be used for landing, manually trim
the aircraft and track glideslope at final approach speed prior to
Autopilot engagement.
-16 NOT APPLICABLE

-17 TO/GA Palm Switches C 2 0 May be inoperative provided approach minimums do not
require their use.
MINIMUM EQUIPMENT LIST ISSUE REV 01-22-5

22-AUTOMATIC FLIGHT CONTROL

1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

22-AUTOMATIC FLIGHT 5. Remarks and/or Exceptions

CONTROL

-18 Dual Rudder Drive Servo C 1 0 May be inoperative provided the autopilot is not used in
Takeoff, ILS, Autoland, and Go-Around modes.
MINIMUM EQUIPMENT LIST ISSUE REV 01-23-1

23-COMMUNICATIONS
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

23-COMMUNICATIONS 5. Remarks and/or Exceptions

-1 Audio Selector Panels D 3 2 One required at each occupied flight crew position.

-2 Cockpit Loudspeakers C 2 0 May be inoperative provided:

a) Affected speaker is not required for aural warnings, and
b) An operative headset is provided for each person on
cockpit duty.

-3 Handheld Microphone [01] D 3 2 One required at each occupied flight crew position.

NOTE: For Observer Seat Microphone refer to item 25-13.

[02] C 3 0 May be inoperative or missing provided associated headset

microphone operate normally.
-4 Oxygen (Smoke) Mask D 3 2 One required at each occupied flight crew position.
Microphones
NOTE: refer also to item 25-13.

-5 Cockpit Headsets D 3 2 One required at each occupied flight crew position.

NOTE: refer also to item 25-13.

-6 Passenger Address System B 1 0 May be inoperative provided:

a) Cabin Attendant's interphone and Cabin Call systems
are operative, and
b) Flight attendant alerting system (audio and visual)
operates normally.
NOTES:
- Any station function(s) that operate normally may be used.
- The system is not required for all cargo operations.
Crew Operating Procedure
- Before take-off. The cabin attendants will be directed to
make a direct voice communication with all passengers. All
preflight announcements will be completed prior to
takeoff and the flight crew will be notified. A portable
megaphone may be used for making these announcements.
- Emergency. The Captain will notify the Chief attendant
and he, in turn, will notify each cabin attendant to make a
direct voice communication with all passengers. A portable
megaphone may be used for making these
announcements.

1) Lavatory speakers C 3 0 May be inoperative provided associated RETURN TO

CABIN Signs operate normally.

-7 Flight Interphone External Refer to Item 23-8-3

Jacks

-8 Crewmember Interphone
System

1) Flight Deck to Cabin, B 4 3 One may be inoperative in the AFT zone provided:
Cabin to Flight Deck a) Flight deck to cabin and cabin to flight deck
Functions interphone functions operate normally on at least
MINIMUM EQUIPMENT LIST ISSUE REV 01-23-2

23-COMMUNICATIONS
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

23-COMMUNICATIONS 5. Remarks and/or Exceptions

two of the cabin handsets. The FWD Attendants' Panel

interphone function must always be operative, and
b) Operative cabin stations have operative flight
attendant seats, and
c) Alternate communications procedures between the
affected flight attendant station(s) are established
and used.

NOTE: Any station function(s) that operates normally may be

used.
Crew Operating Procedure
- Cabin-to-Cockpit function inoperative:
Use cabin-to-cockpit alerting system and PA system, as per
company security and emergency procedures, to
communicate with the flight crew if access to cockpit is
restricted.

2) Cabin to Cabin B 3 2 May be inoperative provided:

Function a) Cabin to cabin interphone functions operate normally on at
least two of the cabin handsets. The FWD Attendants'
Panel interphone function must always be operative, and
b) Alternate communications procedures between the
affected flight attendants stations are established and
used.

NOTE: Any station function(s) that operates normally may be

used.
Crew Operating Procedure
- Cabin-to-Cabin function inoperative:
Use cabin-to-cabin alerting system and/or PA system, as
per company security and emergency procedures, to
communicate with the cabin crew.

3) Flight Deck to Ground C 1 0 Flight interphone flight deck to ground/ground to flight deck
Function (Flight function may be inoperative provided:
Interphone) a) Alternate procedures described in the Crew Operating
Procedure are used, and
b) Nose gear/forward fuselage service interphone jack
operates normally.
Crew Operating Procedure

Use service interphone and/or ICAO hand signals.

4) Flight Deck to Ground [01] C 1 0 Service interphone flight deck to ground/ground to flight
Function (Service deck function may be inoperative provided:
Interphone) a) Alternate procedures described in the Crew Operating
Procedure are used, and
b) Nose gear/forward fuselage flight interphone jack operates
normally.
Crew Operating Procedure
Use flight interphone and/or ICAO hand signals.

[02] B 1 0 May be inoperative provided alternate procedures described in

the Crew Operating Procedure are used.
MINIMUM EQUIPMENT LIST ISSUE REV 01-23-3

23-COMMUNICATIONS
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

23-COMMUNICATIONS 5. Remarks and/or Exceptions

5) Flight Deck Call B 1 0 May be inoperative provided the flight deck chime operates
Visual Alerting System normally.
NOTE: The flight deck chime must always be operative.

6) Flight Attendant Visual B 1 0 May be inoperative provided PA system operates normally.

Alerting System
NOTE: Passenger to Attendant Call System is considered a
passenger convenience item

7) Flight Attendant Audio B 1 0 May be Inoperative provided:

Alerting System a) PA system operates normally,
b) Lavatory Smoke Detection System, of the toilet(s) in the
related zone, is considered inoperative (see also item
26-7), and
c) Alternate procedures for contacting flight attendants
are established and used.
NOTE1: Passenger to Attendant Call System is considered a
passenger convenience item.

NOTE2: Any audio or visual alerting system function(s) that

operates normally may be used.
Crew Operating Procedure

Use PA System and/or Service Interphone System,

according to company security and emergency procedures, to
communicate with the Cabin Attendant.

8) Pilot to Mechanic Call C 1 0 May be inoperative provided alternate normal and

System (Mechanic emergency operations procedures are established and used.
Call)
Crew Operating Procedure
Use hand/lights signals.

9) Mechanic to Pilot Call C 1 0 May be inoperative provided alternate normal and emergency
System (Pilot Call) operations procedures are established and used.
Crew Operating Procedure
Use hand/lights signals.
10) NOT APPLICABLE

11) Cabin Attendant B 3 2 Except the FWD Cabin Attendant Handset, one may be
Handset inoperative provided:
a) Operative handsets are located at operative flight
attendant seats, and
b) Alternate communication procedures described in the
Crew Operating Procedure are used.
Crew Operating Procedure

When PA or Interphone communications are required, the

Cabin Attendant, assigned to the station with inoperative
handset, should use the megaphone or the nearest operative
handset according to company security and emergency
procedures.
MINIMUM EQUIPMENT LIST ISSUE REV 01-23-4

23-COMMUNICATIONS
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

23-COMMUNICATIONS 5. Remarks and/or Exceptions

-9 Communication Systems
1) VHF Comm C 3 2
a) Frequency Transfer C 6 0
Light
b) Frequency Transfer C 3 0
Switch

c) Frequency C 6 3 One per each VHF Comm must operate normally.

Selectors

d) Frequency C 6 3 One per each VHF Comm must operate normally.

Indicators

-10 NOT APPLICABLE

-11 Static Dischargers Refer to CDL Item 23-60-01

-12 Megaphone Refer to item 25-3

-13 High Frequency (HF) D 2 0 May be inoperative provided procedures do not require its
Communications System use.

-14 NOT APPLICABLE

-15 Crewmember Service Refer to item 23-8

Interphone Alerting
System (Crew Call
Light/Call Chime)

-16 Cockpit Voice Recorder A 1 0 May be inoperative provided:

(CVR) System a) It is not reasonably practicable to repair or replace CVR
before the commencement of the flight, and
b) The DFDR is operative, and
c) Repair or replacements are made within 72 elapsed hours
or eight (8) flight legs, whichever comes first.
d)
-17 Pre-Recorded Passenger D 1 0 May be inoperative provided the alternate procedures
Announcement System described in the Crew Operating Procedure are used.

Crew Operating Procedure

- Before take-off. The Cabin Attendant shall make a

direct voice communication with all passengers. The PA
system
or powered megaphone may be used for making these
announcements. The flight crew shall be notified when
pre-flight announcements have been completed.
- Emergency. The Captain will notify the Chief Cabin
Attendant to make a direct voice communication with all
passengers. The PA system or powered megaphone may
be used for making these announcements.
MINIMUM EQUIPMENT LIST
ISSUE REV 01-23-5

23-COMMUNICATIONS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

23-COMMUNICATIONS 5. Remarks and/or Exceptions

-18 Boom Microphones A 2 0 May be inoperative provided;

a) Flight data recorder (FDR) operates normally, and
b) Repairs are made within three flight days.

-19 Maintenance Interphone C 1 0

System

1) Maintenance D 13 2
Interphone Jack

-20 Captain/First Officer Push-

To-Talk Switches

1) Control Wheel PTT C 2 0 May be inoperative provided:

Switches a) Associated Audio Selector Panel PTT Switch operates
normally, and
b) Associated switch is deactivated.
Maintenance Procedure Required

2) Audio Selector Panel C 3 0 May be inoperative provided:

PTT Switches a) A separate PTT switch operates normally at affected crew
station, and
b) Associated switch is verified electrically failed open.
Maintenance Procedure Required

-21 Cockpit Pedestal Handset Refer to item 23-8

-22 Cabin Interphone Handsets Refer to item 23-8

-23 NOT APLICABLE

MINIMUM EQUIPMENT LIST ISSUE REV 01-24-1

24-ELECTRICAL POWER
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

24-ELECTRICAL POWER 5. Remarks and/or Exceptions

-1 AC Electrical Power
Generation and Control

1) Engine Generator B 2 1 May be inoperative provided:

Systems (Includes a) APU generator is operating and furnishing power to the
Constant Speed Drive) associated bus,
b) All other components of the electrical power system
(except the external power system) are operative,
c) AC Cross-Tie Relay must be in AUTO position, and
d) Affected side CSD is disconnected.
e) And ER operations are not conducted
NOTE: SEE AFM APU Generator Limitations

Crew Operating Procedure

- Position GEN switch of the inoperative generator to OFF.
- Start the APU and position the related APU BUS switch to
ON (the APU BUS switch for operating generator should be
OFF).
- Disconnect the CSD of the inoperative generator.
- Required "block fuel" must be increased by 100 Kg per
hour of flight to take into account the APU fuel consumption.

Maintenance Procedure Required

2) APU Generator C 1 0 May be inoperative provided:

System a) Both engine driven generators are operative, and
b) AC Cross-Tie Relay is operative.
c) ER operations are not conducted

-2 External Power System C 1 0 May be inoperative provided:

a) Procedures are developed to isolate affected components from
the rest of the electrical distribution system, and
b) External Power Receptacle is placarded "DO NOT
CONNECT ELECTRICAL POWER."
Maintenance Procedure Required

-3 AC Cross-Tie Relay C 1 0 May be inoperative provided:

a) The AC Cross-Tie Relay is open,
b) Both engine driven generators are operative,
c) The APU generator is available to power either bus,
d) APU is operating during flight, and
e) Both APU bus switches are ON.
f) ER operations are not conducted
Crew Operating Procedure
- Select the AC BUS X-TIE switch to OPEN
- Required "block fuel" must be increased by 100 Kg per hour
of flight to take into account the APU fuel consumption.
- Prior to takeoff verify APU operating and both APU left and
right bus switches are ON.
Maintenance Procedure Required
MINIMUM EQUIPMENT LIST ISSUE REV 01-24-2

24-ELECTRICAL POWER
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

24-ELECTRICAL POWER 5. Remarks and/or Exceptions

Deleted in MMEL Rev 22

-4 Emergency Power Must be operative.
Transfer Relays

-5 Ground Service External C 1 0

Power Relay
-6 AC Ground Service Tie Deleted in MMEL Rev 22
Relay

-7 Battery Charger Deleted in MMEL Rev 22

-8 Generator OFF C 3 1 May be inoperative provided:

Annunciators a) One of the two operating generators supplying power to
the bus has an operative annunciator light, and
b) The operating and supplying power generator with an
inoperative annunciator light has an operative AC Load-
meter system.
c) ER operations are not conducted
Crew Operating Procedure
Monitor the AC Load meter of the associated generator.

NOTE: A generator off condition turns on MASTER CAUTION

lights.

-9 AC BUS OFF Annunciator Deleted in MMEL Rev 22

-10 Bus Power Failure Deleted in MMEL Rev 22

Caution System (AC)

-11 AC Frequency Meter [01] C 1 0 a) May be inoperative provided electrical power from each
generator can be applied to its associated bus after engine
restart from a complete engine shutdown.
b) ER operations are not conducted

[02] C 1 0 a) May be inoperative provided, if dispatch is based on APU

Generator, APU Generator system power can be applied to
desired bus after restart of APU form a complete shutdown.
b) ER operations are not conducted

Crew Operating Procedure

- After engine start verify both L and R GEN OFF
annunciators are off and/or AC loadmeters indicate normal
value.
- If dispatch is based on use of APU generator: After engine
start, shutdown APU. Place APU bus switch for operating
generator to OFF. Restart APU. Verify appropriate APU L or R
power in use light is on.

-12 Voltmeter System (AC) Deleted in MMEL Rev 22

-13 AC Loadmeter Systems

1) Engine Generator B 2 1 May be inoperative provided:
a) Associated generator is not used, and
MINIMUM EQUIPMENT LIST ISSUE REV 01-24-3

24-ELECTRICAL POWER
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

24-ELECTRICAL POWER 5. Remarks and/or Exceptions

b) APU generator load meter is operative.

c) ER operations are not conducted
2) APU Generator C 1 0 May be inoperative provided:
a) Associated generator is considered inoperative and is not used,
and
b) Both engine generator load meters are operative.
c) Both engine generator systems are operative
d) AC Cross-Tie Relay is operative
e) ER operations are not conducted

-14 CSD Oil Temperature B 2 1 May be inoperative provided associated CSD is considered
Indicating Systems inoperative.

1) CSD Oil Temperature C 2 0

Rise Systems
-15 CSD Oil Pressure Low C 2 0
Annunciators

-16 NOT APPLICABLE

-17 CSD Air/Oil Heat B 2 1 May be inoperative provided associated engine driven
Exchangers generator is considered inoperative.
Refer to item 24-1.

-18 Transformer/ Rectifiers B 4 3 May be inoperative provided associated TR is disconnected

from the electrical system.

Crew Operating Procedure

- If the Right T/R No. 2 is inoperative, the ground service power

must not be used.
- Monitor the remaining loadmeter on affected side.

Maintenance Procedure Required

-19 Cross Tie Relay (DC) Deleted in MMEL Rev 22 – Must be operative.

-20 Aircraft Main Batteries Deleted in MMEL Rev 22 – Must be operative.

-21 Battery Relay Deleted in MMEL Rev 22 – Must be operative.

-22 Ground Refueling Relay Refer to item 28-18

-23 DC BUS OFF Deleted in MMEL Rev 22 – Must be operative.

Annunciator
-24 DC TRANSFER BUS Deleted in MMEL Rev 22 – Must be operative.
OFF Annunciator

-25 DC Bus Power Failure Deleted in MMEL Rev 22 – Must be operative.

Caution System

-26 DC Loadmeter Indicators C 4 3 May be inoperative provided DC BUS OFF light is not
illuminated.
MINIMUM EQUIPMENT LIST ISSUE REV 01-24-4

24-ELECTRICAL POWER
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

24-ELECTRICAL POWER 5. Remarks and/or Exceptions

24-ELECTRICAL POWER 5. Remarks and/or Exceptions

− Return switches to their normal position.

[02] C 2 0 May be inoperative provided APU generator is not used.

Refer to item 24-1.

[03] C 2 0 May be inoperative provided:

a) AC VOLTS Meter is operative, and
b) FREQUENCY CPS Meter is operative.

Crew Operating Procedure

- Verify APU Generator voltage and frequency output is
within limits by placing AC VOLT/FREQ Selector to APU
position.
- Monitor APU voltage and frequency throughout the flight.

-38 APU PWR L/R/GS In Use C 3 0 May be inoperative provided the L/R AC BUS OFF annunciations
Lights (Blue) are operative if APU electrical power is to be used.

-39 Battery Charger System C 1 0 May be inoperative provided:

Annunciator a) BATT AMPS Meter is used to verify the battery is not dis-
charging, and
b) BATT VOLT Meter is used to verify the battery voltage is
normal.
-40 Galley Power and Control C 2 0 May be inoperative provided affected galley power is
System deactivated.

Maintenance Procedure Required

MINIMUM EQUIPMENT LIST
ISSUE REV 01-25-1

25-EQUIPMENT/FURNISHING 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

25-EQUIPMENT/FURNISHING 5. Remarks and/or Exceptions

-1 Life Vests or Floatation D 158 0 A life vest or approved individual flotation means shall be
Means provided for each occupant.

-2 Lower Cargo C 137 39 a) May be damaged provided affected cargo compartment

Compartment Removable does not contain inflammable or combustible materials
Liners (refer to Dangerous Goods Regulations and Cargo
Loading Manual).
b) May be missing provided affected cargo compartment is
empty.
c) Repairs are made within ten (10) flight days.
Maintenance Procedure Required

-3 Megaphones D 2 2 Minimum two required by JAR-OPS 1.810.

-4 Rear Entrance Door Strap C 1 0 May be inoperative or missing provided:

a) A Cabin Attendant is positioned on the rear door jump
seat, and
A passenger announcement is made to stay clear of the rear
door until the door is OPEN
-5 Crewmember Shoulder
Harnesses

1) Pilot and Co-Pilot Deleted in MMEL Rev 27 – must be operated.

2) Observer’s Seat Deleted in MMEL Rev 29 ( SEE MEL Item 25-13)

-6 Flight Attendant Seats

(Single or Dual Position)

1) Required flight attendant B 3 2 One seat or assembly (dual position) may be inoperative
seats provided:
a) Affected seat or seat assembly is not occupied.
b) Cabin Attendant(s) displaced by inoperative seat(s)
occupies either an adjacent flight attendant seat or
passenger seat most accessible to the inoperative seat(s),
so as most effectively perform assigned duties,
c) Alternate procedures are established and used as stated
below in the Crew Operating Procedure,
d) Folding type seat stows automatically or is secured in the
retracted position, and
e) Passenger seat(s) assigned to the Cabin Attendant(s) is
placarded FOR CABIN ATTENDANT ONLY
NOTES:
- An automatic folding seat that will not stow automatically is
considered inoperative.
- A Cabin Attendant seat position with an inoperative or
missing seat restraint system is considered inoperative.
- When operating with inoperative seats, consider the
locations and combinations of seats to ensure that the
proximity to exits and distribution requirements of the
applicable JAR are met.
- If one side of a dual seat assembly is inoperative and a (light
MINIMUM EQUIPMENT LIST ISSUE REV 01-25-2

25-EQUIPMENT/FURNISHING
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

25-EQUIPMENT/FURNISHING 5. Remarks and/or Exceptions

attendant is displaced to the adjacent seat, the adjacent seat

must operate normally.
Crew Operating Procedure
The displaced Cabin Attendant(s) must be alert to apply
the standard emergency duties when an emergency
evacuation is required.
Maintenance Procedure Required

- 2) NOT APPLICABLE
-7 "Fasten Seat Belt While C 147 130 One or more signs or placards may be illegible or missing
Seated" Signs or Placards provided a legible sign or placard is readable from each
(Unlighted) occupied passenger seat.

-8 Flight Attendant Seat Lap Deleted in Revision N 30

Belts

-9 Cabin Emergency C 5 0 May be inoperative or missing provided cabin crewmember

Flashlights/ Holders assigned to affected position has an operative flashlight
readily available.

-10 Passenger Seats C 147 130 May be inoperative provided:

a) Seat does not block an Emergency Exit,
b) Seat does not restrict any passenger from access to
the main airplane aisle, and
c) The affected seat(s) are blocked and placarded "DO
NOT OCCUPY".

NOTES:
-A seat with an inoperative seat belt is considered
inoperative.
- Affected seat(s) may include the seat behind and/or adjacent
outboard seat.
- Inoperative seats do not affect the required number of
Flight Attendants.

Maintenance Procedure Required

1) Recline Mechanism C 137 120 May be inoperative and seat occupied, provided seat is
secured in the full up-right position.
Maintenance Procedure Required

2) Underseat baggage C 65 50 May be inoperative provided:

Restraining Bars a) Baggage is not stowed under seat with inoperative
restraining bar.
b) Associated seat is placarded "DO NOT STOW
BAGGAGE UNDER THIS SEAT", and
c) Procedures are established to alert Cabin Crew of
inoperative restraining bar.

Crew Operating Procedure

Advice Cabin Crew to inform passengers occupying seat
with affected bar and passengers behind the seat with the
affected bar not to stow baggage under the seat.
MINIMUM EQUIPMENT LIST ISSUE REV 01-25-3

May be inoperative provided:

[02] C 56 0 a) Affected door(s) is removed,
b) Associated bin or compartment is not used for storage
of any items, except those permanently affixed,
c) Associated bin or compartment is prominently
placarded DO NOT USE,
d) Procedures are established and used to alert crew
members and passengers of inoperative bins, and
e) Passengers are briefed that associated bin or
compartment is not used.

NOTES:
− If no partitions are installed, the entire overhead
storage compartment is considered one bin or
compartment.
− Any emergency equipment located in the associated
compartment (permanently affixed) is available for use.

Maintenance Procedure Required

1) Multi Latch/Quarter- C 58 41 One latch/lug per compartment may be inoperative

Turn Lug Installations provided:
a) Remaining latch(es)/lugs on affected compartments
operate normally, and
If affected compartment is used for a galley cart, the cart
remains empty.
-12 NOT APPLICABLE

-13 Forward Observer Seat A 1 0 May be inoperative provided:

a) It is not required for minimum Flight Crew, and
MINIMUM EQUIPMENT LIST ISSUE REV 01-25-4

25-EQUIPMENT/FURNISHING
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

25-EQUIPMENT/FURNISHING 5. Remarks and/or Exceptions

b) Forward Observer Seat is available with the required

minimum safety equipment (safety belt and oxygen)
and acceptable to the CAA inspector for the
performance of official duties, and
c) Repairs are made within two(2) flight days

NOTES
-These provisions are intended to provide for occupancy of
the above seats by CAA inspector when the minimum safety
equipment (safety belt and oxygen) is functional and the
inspector determines the conditions to be acceptable.
- The Captain will determine if the minimum safety
equipment is functional for other persons authorized to
occupy the forward observer seat.
-14 NOT APPLICABLE

-15 NOT APPLICABLE

-16 Flight crew seats

1) Lumbar Supports C 2 0 May be inoperative in the retracted position provided seat is

acceptable to the affected crewmember.
2) Thigh Supports
C 2 0 May be inoperative in the retracted position provided seat is
acceptable to the affected crewmember.

3) Armrests One armrest on each seat may be inoperative or missing

B 4 2 provided:
a) Egress is not impaired, and
b) Seat is acceptable to the affected crewmember.
4) Recline
A 2 0 May be inoperative provided:
a) Seat is secured in an upright position,
b) Seat is acceptable to affected crewmembers, and
c) Repairs are made within 2 /two / flight days.

-17 Emergency Medical A 2 2 May be incomplete, missing or inoperative provided:

Equipment (First Aid a) First Aid Kit is resealed in a manner that will identify
Kits) it as a unit that can not be mistaken for a fully serviceable
unit, and
b) Repairs or replacements are made within 3 flight
cycles.

NOTE: The "minimum required" medical supplies (product

types and quantities) must be always available.

Crew Operating Procedure

Cross-check actual kit's content with "minimum
required" medical supplies (product types and quantities)
identified by an * in the specific list inside the EU-OPS.

-18 Underseat Baggage Combined with Item 25-10.

Restraining Bars
MINIMUM EQUIPMENT LIST ISSUE REV 01-25-5

25-EQUIPMENT/FURNISHING
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

25-EQUIPMENT/FURNISHING 5. Remarks and/or Exceptions

-19 Forward Cargo D 1 0 May be damaged or missing.

Compartment Thermal NOTE: Effects on live animal and temperature sensitive
Barrier transport should be considered. Advice appropriate
personnel.
-20 NOT APPLICABLE

-21 NOT APPLICABLE

-22 Galley/Lavatory Waste

Receptacle Access
Doors/Covers
1) Galley Waste C 2 0 May be inoperative provided:
Receptacle Access a) Associated container is empty.
Doors/Covers b) Receptacle access is secured to prevent waste
introduction into the compartment, and
c) Procedures are established to insure that sufficient waste
receptacles are available to accommodate all waste that
may be generated on a flight.
Crew Operating Procedure
Advice Cabin Crew to use alternate waste receptacle to
accommodate all waste that may be generated on the flight.
Maintenance Procedure Required

2) Lavatory Waste C 3 0 May be inoperative provided:

Receptacle Access a) Associated waste container is empty.
Doors/Covers b) Lavatory is used only by crewmembers, and
c) Associated lavatory entrance door is locked closed and
placarded: INOPERATIVE - DO NOT ENTER.
NOTE: These provisions are not intended to prohibit lavatory
use or inspection by crewmembers.
Maintenance Procedure Required

-23 Exterior Lavatory Door A 3 1 One Aft Exterior Lavatory Door Ashtray may be missing,
Ashtrays provided it is replaced within ten (10) calendar days.

-24 NOT APPLICABLE

-25 Main Cabin/Galley Entry D 1 0 May be inoperative or missing provided related door(s) is
Door Restraining Straps leaved closed when the stair is not available.

- 26 Emergency Locator Deleted – must be operative.

Transmitter (ELT)
MINIMUM EQUIPMENT LIST ISSUE REV 01-26-1

26-FIRE PROTECTION
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

26-FIRE PROTECTION 5. Remarks and/or Exceptions

-1 Engine Fire Detection

Systems
1) Detection Loops C 4 2 One complete loop (A or B) on each engine may be
inoperative.

Crew Operating Procedure

a) Select unaffected system.
b) Verify selected system is operational using cockpit
LOOPS A TEST or LOOPS B TEST switches as
applicable.
Maintenance Procedure Required

2) Loop A and Loop B C 2 1 May be inoperative on an inoperative loop.

test Systems
-2 APU Fire Detection

1) Detection Loops [01] C 2 1 One complete loop (A or B) may be inoperative.

Crew Operating Procedure

a) Select LOOPS switch to operative system.
b) Verify selected system is operational using cockpit
LOOPS A TEST or LOOPS B TEST switches as
applicable

Maintenance Procedure Required

[02] C 2 0 Loops (A and B) may be inoperative provided APU is not

used.
Refer to item 49-1

2) Loop A and Loop B C 2 1 One may be inoperative on an inoperative loop.

test Systems
-3 Fire Extinguishing Systems DELETED REV.22

-4 Engine and APU Fire

Extinguisher Agent Low
Lights

1) Flight Deck C 2 1 May be inoperative provided:

Extinguisher Agent a) Associated bottle pressure is verified normal prior to
Low Lights each flight, and
b) Procedures are established for discharging the bottle
with the operative AGENT LOW light first.
Crew Operating Procedure
In case of fire, discharge the bottle with the operative
AGENT LOW light first.
Maintenance Procedure Required

2) APU Ground Control [01] C 2 0 May be inoperative provided associated cockpit agent low
Panel Agent Low light operates normally.
Lights
MINIMUM EQUIPMENT LIST ISSUE REV 01-26-2

26-FIRE PROTECTION
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

26-FIRE PROTECTION 5. Remarks and/or Exceptions

[02] C 2 0 May be inoperative provided associated bottle pressure is

verified normal.
Maintenance Procedure Required

-5 APU Fire Warning Horn C 1 0 May be inoperative provided the system is monitored in the
cockpit during APU operation.

Crew Operating Procedure

When APU is operating monitor operation in the cockpit.

-6 Lavatory Fire [01] C 3 0 For each lavatory, the Lavatory Fire Extinguisher System
Extinguisher Systems may be inoperative provided Lavatory Smoke Detector
System operates normally.
Maintenance Procedure Required

[02] C 3 0 For each lavatory, the Lavatory Fire Extinguisher System

may be inoperative provided:
a) Lavatory waste receptacle is empty.
b) Associated lavatory door is locked CLOSED and
placarded "INOPERATIVE DO NOT ENTER", and
c) Lavatory is used only by crew members.
Crew Operating Procedure
Lavatory door locked closed does not preclude lavatory
inspection and/or use by crew members.
Maintenance Procedure Required

-7 Lavatory Smoke C 3 0 For each lavatory, the lavatory Smoke Detection System
Detection Systems may be Inoperative provided:
a) Lavatory waste receptacle is empty,
b) Associated lavatory door is locked CLOSED and
placarded "INOPERATIVE DO NOT ENTER", and
c) Lavatory is used only by crew members.
Crew Operating Procedure
Lavatory door locked closed does not preclude lavatory
inspection and/or use by crew members.
Maintenance Procedure Required

-8 NOT APPLICABLE

-9 Portable Fire D 4 3 May be inoperative or missing provided:

Extinguishers a) The cockpit fire extinguisher is operative,
b) The inoperative fire extinguisher is tagged inoperative,
removed from the installed location, and placed out
of sight so it can not be mistaken for a functional unit,
and
c) Required distribution is maintained.
Maintenance Procedure Required

-10 NOT APPLICABLE

-11 NOT APPLICABLE

MINIMUM EQUIPMENT LIST ISSUE REV 01-27-1

27-FLIGHT CONTROLS
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

27-FLIGHT CONTROLS 5. Remarks and/or Exceptions

-1 Primary Longitudinal Trim Deleted – must be operative

Actuator Motor

-2 Alternate Longitudinal Deleted – must be operative

Trim Actuator Motor

-3 Primary Longitudinal Trim Deleted – must be operative

Motor Control Contactor

-4 Primary Longitudinal Trim Deleted – must be operative

Brake Control Relay

-5 Primary Longitudinal Trim Deleted – must be operative

Control Wheel Switch

-6 Primary Longitudinal Trim Deleted – must be operative

Brake Manual Override
Switch
-7 Alternate Longitudinal C 2 0 May be inoperative provided:
Trim Motor Control a) Manual Alternate Trim is verified operative, and
Relays (Up Trim/Down b) Alternate procedures are established and used if Autopilot
Trim) is to be used for Approach and Landing.

Crew Operating Procedure

a) Verify Manual Alternate Trim functions properly by
moving Alternate Trim Switch Levers on the center
pedestal and observing movement of the longitudinal trim
position indicator.
b) Trim aircraft manually prior to engaging autopilot.
c) Monitor AP TRIM/OUT OF TRIM light while AP is
engaged.
d) If light comes on, retrim by either of the following:
- Operation of the alternate longitudinal trim switch
(which does not require Autopilot disconnect), or
- Disconnecting the autopilot, manually trimming with
control wheel switches or LONG TRIM handles, and then
re-engaging the Autopilot.
e) If the Autopilot is to be used for landing, manually trim
the aircraft and track glideslope at final approach speed
prior to Autopilot engagement.

Maintenance Procedure Required

-8 Relay, Alternate Deleted – must be operative

Longitudinal Trim, Motor
Control

-9 Alternate Longitudinal Deleted – must be operative

Trim Motor, Manual
Override Switch
MINIMUM EQUIPMENT LIST ISSUE REV 01-27-2

27-FLIGHT CONTROLS
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

27-FLIGHT CONTROLS 5. Remarks and/or Exceptions

-10 Alternate Longitudinal Deleted – must be operative

Trim Brake, Manual
Override Switch

-11 Alternate Longitudinal C 2 0 May be inoperative provided the Alternate Trim System otherwise
Trim Motor Up/Down operates normally.
Limit Switches
Maintenance Procedure Required

-12 Cylinder Assembly, Deleted – must be operative

Hydraulic Power,
Elevator

-13 Valve Assembly, Deleted – must be operative

Hydraulic Power Control,
Elevator

-14 Elevator POWER ON C 1 0 May be inoperative provided:

Indication System a) AII other hydraulic pressure and quantity indicators and
warning lights are operative, and
b) Associated hydraulic accumulator pressure is normal
Maintenance Procedure Required
-15 Flap Control Valve (Dual) Deleted – must be operative

-16 Flap Control Valve (2- Deleted – must be operative

Speed)

-17 Flap Position Indicating C 2 1 May be inoperative provided:

Systems a) It is verified that flaps are operative through their normal
operating range, and
b) Visual inspection before each takeoff verifies that both
flaps are in takeoff position and no asymmetry exists.
Crew Operating Procedure
Before each takeoff perform a check, in coordination with
Ground Personnel, to verify that flaps are operative through
their full range, then that both flaps are set in take off
position and that no asymmetry exists.
Maintenance Procedure Required

-18 Valve and Spoiler Deleted – must be operative

Hydraulic Cylinder
Assembly

-19 Auto Ground Spoiler C 1 0 May be inoperative provided:

System a) Autoland is not used, and
b) Limitations in the Crew Operating Procedure, as stated
below, are applied.
NOTE: If only the Main Landing Gear Wheel Spin-up feature
is inoperative (evidenced by the spoiler failing to
automatically deploy on landing without intervention of
AUTO SPOILER FAIL annunciation) only the LANDING
portion of the Crew Operating Procedure must be applied.
Crew Operating Procedure
MINIMUM EQUIPMENT LIST ISSUE REV 01-27-3

27-FLIGHT CONTROLS
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

27-FLIGHT CONTROLS 5. Remarks and/or Exceptions

TAKEOFF
- Takeoff is not allowed on WET or Contaminated (SSW)
runways.
- Reduce PTOW by 2900 kg.
LANDING
- Landing is not allowed on Contaminated (SSW) runways
- DRY runway
Reduce runway length limited weight by 8100 kg, or increase
the required landing field length by 470 ft.
- WET runway
Reduce runway length limited weight by 8700 kg, or increase
the required landing field length by 540 ft.
- After the main gear contacts the ground, extend manually the
spoiler.

NOTE: Weight limitation on T.O. is provided since in this

condition the ground spoiler actuator is deactivated in flight
mode. This means that, in case of R.T.O., if manual
deployment operation is not carried out properly (up, aft, up),
only the flight spoilers would extend resulting in an increased
stopping distance.
Maintenance Procedure Required

-20 Inboard Ground Spoiler C 1 0 May be inoperative provided:

System a) Both inboard spoilers are in the RETRACTED position,
and
b) The ground spoiler valves have electrical plugs
disconnected, and
c) Limitations in the Crew Operating Procedure, as stated
below, are applied.
Crew Operating Procedure

TAKEOFF
- Takeoff is not allowed on WET or Contaminated (SSW)
runways.
- Takeoff with flaps 0 to 10 is not allowed.
- Reduce PTOW by 1800 kg.

LANDING
- Landing is not allowed on Contaminated (SSW) runways
- WET and DRY runways Flaps 28
- Reduce runway length limited weight by 7800 kg, or increase
the required landing field length by 450 ft. Flaps 40
- Reduce runway length limited weight by 5900 kg, or increase
the required landing field length by 350 ft.
Maintenance Procedure Required

-21Rudder, Integral Control Deleted – must be operative

Hydraulic Cylinder Assembly

-22Rudder Hydraulic Shutoff Deleted – must be operative

Valve Assembly

-23Rudder Limiter System Deleted – must be operative

MINIMUM EQUIPMENT LIST ISSUE REV 01-27-4

27-FLIGHT CONTROLS
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

27-FLIGHT CONTROLS 5. Remarks and/or Exceptions

-24Rudder Control Manual - Deleted – must be operative

Annunciator

-25 Takeoff Warning Horn Deleted – must be operative

NOTE: The parking brake input may be inoperative if

PARKING BRAKES ON annunciator system is inoperative.
Refer to item 32-8

-26 Control Surface Dampers

1) Rudder dampers C 2 1 May be inoperative provided all four aileron dampers are
operative.
2) Aileron dampers C 4 2 One Damper may be inoperative on each aileron.

-27 Slat Disagreement Deleted – must be operative.

Annunciator

-28 NOT APPLICABLE

-29 Spoiler/Flap Extended C 1 0

Light (Speed Brake
Extended Light)

-30 AUTOSPOILER FAIL C 1 0 May be inoperative provided:

Annunciator a) The automatic ground spoiler system is not used.
b) Limitations in the Crew Operating Procedure, as stated
below, are applied.
Crew Operating Procedure
TAKEOFF
- Takeoff is not allowed on WET or Contaminated (SSW)
runways.
- Takeoff with flaps 0 to 10 is not allowed.
- Reduce PTOW by 4700 kg.
LANDING
- Landing is not allowed on Contaminated (SSW) runways.
- DRY runway
Flaps 28 - Reduce runway length limited weight by
15900 kg, or increase the required landing field length by
920 ft.
Flaps 40 - Reduce runway length limited weight by
14000 kg, or increase the required landing field length by
820 ft

- WET runway
Flaps 28 - Reduce runway length limited weight by
16500 kg, or increase the required landing field length by
990 ft.
Flaps 40 - Reduce runway length limited weight by
14600 kg, or increase the required landing field length by
890ft.
- After the main gear contacts the ground, extend manually
the spoiler.
Maintenance Procedure Required
MINIMUM EQUIPMENT LIST
ISSUE REV 01-27-5

27-FLIGHT CONTROLS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

27-FLIGHT CONTROLS 5. Remarks and/or Exceptions

-31 NOT APPLICABLE

-32 Spoiler Deployed B 1 0 May be inoperative provided spoiler surfaces are visually
Annunciator System verified stowed after control system check and before each
takeoff.
Crew Operating Procedure
Visually verify that spoilers are stowed prior to each takeoff
after control surface preflight check

-33 NOT APPLICABLE

-34 Stabilizer Motion Deleted – must be operative

Indicator, Sensor and
Horn

-35 Auto Slat System Deleted – must be operative

-36 Slat Land Light C 1 0 May be inoperative provided slat input to Takeoff Warning
System is operative.

Crew Operating Procedure

a) Prior to each departure visually verify slats are in proper
take off position
b) Slats/flaps should not be removed on ground after visual
check is complete
If slats/flaps are moved, repeat visual check
Maintenance Procedure Required

-37 Slat Takeoff Light C 1 0 May be inoperative provided:

a) Slat input to Takeoff Warning System is operative,
b) Slats are visually checked in proper takeoff position
before departing the ramp, and
c) Flaps/slats are not operated after the required visual
check has been made without a subsequent visual check
before takeoff.
Crew Operating Procedure
Do not move flaps/slats on ground after visual inspection is
completed.
Maintenance Procedure Required
-38 Post Stall Recovery C 1 0 May be inoperative provided system is deactivated.
System
Maintenance Procedure Required
-39 Throttle Arming Switches Deleted – must be operative
for Takeoff Warning
System

-40 Primary Longitudinal D 1 0

Trim Actuator Heater
Blanket
-41 Dial-A-Flap System C 1 0 May be inoperative provided:
a) Movable detent is in the stowed position,
b) Fixed flap detent system operates normally, and
c) Both flap indicating systems are operative.
MINIMUM EQUIPMENT LIST ISSUE REV 01-28-1

28-FUEL
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

28-FUEL 5. Remarks and/or Exceptions

-1 Main Tank Fuel AC Boost C 4 2 May be inoperative provided :

Pumps a) Inoperative Fuel Pumps are not in the same tank,
b) When two Fuel Pumps are inoperative, the remaining
Fuel Pumps are powered from separate AC Bus
Systems,
c) Increase planned trip fuel for each inoperative fuel
pump as follows:
- 263 kg for each inoperative FWD main tank pump,
- 150 kg for each inoperative AFT main tank pump.

Crew Operating Procedure

Inoperative pump sw(s) must be left in off position.

If two pumps are inoperative, go-around is not recommended
if there is less than 454 kg indicated in either main tank.
Maintenance Procedure Required

-2 Center Tank Fuel AC C 2 0 May be inoperative provided:

Boost Pumps a) All cockpit Fuel quantity displays are operative, and
b) Fuel (if any) in the center tank is considered unusable and
fuel weight considered as payload.
c) Operating zero fuel weight does not exceed maximum
allowable zero fuel weight, less the amount of unusable
fuel, and
d) Associated pumps deactivated.
Crew Operating Procedure

Inoperative pump switch(s) must be left in off position.

Restrict (i.e. move to the right side) the FWD operational
limit of balance chart by the moment index value
corresponding to the fuel quantity in the center tank.
Maintenance Procedure Required

-3 DC Start Pump C 1 0 Crew Operating Procedure

Use external or APU power for AC boost pumps operation

during engine or APU start. ER operations are not conducted.

-4 Mechanically Operated Fuel Deleted – must be operative

Fire Shutoff Valve

-5 Mechanically Operated Fuel Deleted – must be operative

Crossfeed Valve

-6 Single Point Pressure C 1 0 May be inoperative provided an accepted alternate refueling

Refueling System procedure is used.

Maintenance Procedure Required

-7 NOT APPLICABLE

-8 Cockpit Fuel Quantity

Indicating System
MINIMUM EQUIPMENT LIST ISSUE REV 01-28-2

28-FUEL
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

28-FUEL 5. Remarks and/or Exceptions

1) Channels A & B C 2 1 May be operative provided:

a) AII cockpit fuel quantity displays are operative on the
remaining channel,
b) Both fuel used readouts are operative, and
c) All fuel tank pumps are operative.
d) ER operations are not conducted
Crew Operating Procedure
If additional fuel quantity display fails enroute:
- Turn on both pumps in the affected tank(s) for duration of
flight.
- Monitor fuel usage with fuel used readouts.
Maintenance Procedure Required

2) Left & Right Main C 2 1 May be inoperative on both channels provided:

Tank Displays a) Remaining main tank and center tank fuel quantity
displays in the cockpit are operative on both channels,
b) Fuel Flow readouts for associated engine is operative,
c) Both fuel used readouts are operative, and
d) Fuel quantity in the associated tank is verified by an
alternate method.
e) Alternate Fuel Burn System is not used, and
f) ER operations are not conducted

Crew Operating Procedure

- Disregard total fuel and gross weight displays.
- In flight, after center tank is empty, monitor main tank fuel
usage using fuel used readouts
Maintenance Procedure Required

3) Center Tank Display [01] C 1 0 May be inoperative on both channels provided:

a) Fuel (if any) in center tank is considered to be
UNUSABLE,
b) Both cockpit main tank fuel quantity displays are
operative on both channels,
c) Both fuel used readouts are operative,
d) Fuel quantity in center tank is verified by an alternate
method, and
e) Fuel weight in center tank is considered as payload.

Crew Operating Procedure

- Restrict (i.e. move to the right side) the FWD operational
limit of balance chart by the moment index value
corresponding to the fuel quantity in the center tank.
- Disregard total fuel and gross weight displays
- In flight, monitor fuel used indications and verify equal to
main tank fuel usage.
- If fuel used does not match main tank depletion, turn on
center tank pumps.

Maintenance Procedure Required

[02] C 1 0 May be inoperative on both channels and fuel in center tank

considered USABLE provided:
a) Both center tank fuel pumps are operative.
MINIMUM EQUIPMENT LIST ISSUE REV 01-28-3

28-FUEL
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

28-FUEL 5. Remarks and/or Exceptions

b) Both main tank fuel quantity displays are operative on

both channels,
c) Both fuel used readouts are operative,
d) Both engine INLET FUEL PRES LO annunciations are
operative, and
e) Fuel quantity in center tank is verified by an alternate
accepted method.
f) Procedures are established for verifying when fuel in the
Center Tank has been depleted.

Crew Operating Procedure

- Disregard total fuel and gross weight displays.
- In flight, monitor fuel used indications and verify no fuel
transfer from main tanks until fuel used equals quantity of
fuel in center tank.
- If main tank fuel is used prematurely (failure of center
tank fuel pump), turn off main tank fuel pumps one at a
time and verify engine INLET FUEL PRES LO
annunciations remain off.
- After center tank is empty, leave one center tank fuel
pump on for duration of flight.

Maintenance Procedure Required

4) NOT APPLICABLE

5) Fuel System Test C 1 0 May be inoperative provided:

a) All Cockpit Fuel Quantity Displays are operative,
b) Both Fuel Used Indications are operative, and
c) Quantity of fuel in the tank is determined by an alternate
accepted method.
Maintenance Procedure Required

-9 NOT APPLICABLE

-10 FUEL TANK C 1 0 May be inoperative provided:

TOTALIZING System a) Procedures do not require its use, and
and Gross Weight Readout b) Other associated systems (PMS, FMS) are considered.
c) ER operations are not conducted
-11 NOT APPLICABLE

-12 Dripless Fuel Measuring C 9 0 May be inoperative or missing provided fuel quantity is
Sticks (Dipstick) determined by other accepted method
Maintenance Procedure Required

-13 NOT APPLICABLE

-14 NOT APPLICABLE

-15 NOT APPLICABLE

MINIMUM EQUIPMENT LIST ISSUE REV 01-28-4

28-FUEL
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

28-FUEL 5. Remarks and/or Exceptions

-16 Fueling Panel Fuel C 3 0 May be inoperative provided fuel quantity in associated tank
Quantity Gauges is verified by an alternate accepted method.

Maintenance Procedure Required

-17 Fueling Station, Fuel Cap D 1 0 May be inoperative or missing provided:

a) Refueling receptacle is free of contamination prior to
each refueling, and
b) No leakage exists after refueling.
Maintenance Procedure Required

-18 Ground Refueling Circuit C 1 0

(Battery Powered)

-19 Aircraft System Electronic Refer to item 31-7

Display Panel (ESDP)
(Fuel, Oil, Hydraulic, etc.)

-20 Refueling Panel Fuel C 1 0 May be inoperative provided Cockpit Fuel Quantity Test
Quantity Test Switch Button & Channel Selector is operative.

Maintenance Procedure Required

MINIMUM EQUIPMENT LIST ISSUE REV 01-29-1

29- HYDRAULIC POWER

1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

29- HYDRAULIC POWER 5. Remarks and/or Exceptions

-1 NOT APPLICABLE

-2 Hydraulic Brake Deleted – must be operative

Accumulator
-3 Thrust Reverser System Combined with item 78-1
Accumulators

-4 Accumulator (Hydraulic Deleted – must be operative

Elevator Power)

-5 Right Engine Driven C 1 0 May be inoperative provided all other hydraulic pumps are
Hydraulic Pump operative.

Crew Operating Procedure

Switch the Right Engine Hydraulic Pump to off and the other
hydraulic pumps as follows:

TAKEOFF and LANDING

Transfer Hydraulic Pump ..........................................ON
Left Engine Hydraulic Pump ……… HI
Auxiliary Hydraulic Pump ………………….. ON

AFTER TAKEOFF
Transfer Hydraulic Pump .......................................OFF
Left Engine Hydraulic Pump ..................................LOW
Auxiliary Hydraulic Pump ……………………… ON

-6 NOT APPLICABLE

-7 NOT APPLICABLE

-8 Valve, Hydraulic Priority Deleted – must be operative

-9 Valve, Hydraulic Pressure Deleted – must be operative

Reducer, Spoiler

-10 Valve, Relief, Low Deleted – must be operative

Pressure Reservoir

-11 Spoiler Shutoff and Deleted – must be operative

System Depressurization
Valve

-12 Hydraulic Fire Shutoff Deleted – must be operative

Valve

-13 Relief Valve Deleted – must be operative

-14NOT APPLICABLE

-15 Relief, Return Hydraulic Deleted – must be operative

Elevator Power Valve
MINIMUM EQUIPMENT LIST ISSUE REV 01-29-2

29- HYDRAULIC POWER

1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

29- HYDRAULIC POWER 5. Remarks and/or Exceptions

-16 Indicating System Deleted – must be operative

Hydraulic Pressure

-17 Indicating System Deleted – must be operative

Hydraulic Brake Pressure

-18 Right Hydraulic Low C 1 0

Pressure Annunciator

-19 Thrust Reverser Combined with 78-1

Accumulator Low
Annunciators

-20 Left Hydraulic C 1 0

Temperature High
Annunciator

-21 Hydraulic Quantity C 2 0 May be inoperative provided associated reservoir quantity is

Indicating Systems checked prior to each departure.

Crew Operating Procedure

Check hydraulic system pressure frequently during flight.
Maintenance Procedure Required

-22 Engine Driven Hydraulic C 2 0 May be inoperative provided the HI pressure and OFF controls
Pump De-pressurization functions are both operative
Valves-Low Pressure
Control

Crew Operating Procedure

Select the ENG HYD PUMP switch(s) to HI for entire flight.

-23 Hydraulic Power transfer Deleted – must be operative.

Unit

-24 Aircraft Systems Refer to item 31-7

Electronic Display Panel
(ESDP)

-25 Hydraulic Reservoir D 2 0

Ground Service
Handpumps
MINIMUM EQUIPMENT LIST ISSUE REV 01-30-1

30-ICE AND RAIN PROTECTION

1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

30-ICE AND RAIN PROTECTION 5. Remarks and/or Exceptions

-1 Engine ANTI-ICE ON C 2 0
Annunciators

-2 Engine Anti-Ice Valve C 6 5 May be inoperative provided associated Engine

Annunciator Signal Anti-Ice Valve is considered inoperative.
Inputs

-3 Engine Anti-Ice Valves [01] C 6 5 May be inoperative provided:

a) It is verified that the associated valve is CLOSED, and
b) Flight is not made in known or forecast icing conditions.
Maintenance Procedure Required

[02] C 6 5 May be inoperative provided:

a) It is verified that the associated valve is OPEN, and
b) EPR corrections and performance penalties, as stated
below, in the Crew Operating Procedure, are applied if
required.
Crew Operating Procedure
Refer to Special Operations “Engine Anti-Ice Valve Inoperative”

Maintenance Procedure Required

-4 Pitot Heaters
1) Capt. and F/O B 2 1 May be inoperative provided:
a) Flight is made in day VMC only, and
b) Flight is not made in visible moisture or in known or
forecast icing conditions.
2) Aux B 1 0 May be inoperative provided flight is not made in visible
moisture or known or forecast icing conditions.

3) Rudder Limiter C 1 0 May be inoperative provided flight is not made in known or

forecast icing conditions.

-5 Anti-Icing Heaters C 1 0 May be inoperative provided:

Ammeter System a) All heaters, with the exception of the rudder limiter heater,
are verified to be operating before each takeoff, and
b) PITOT/STALL HEATER OFF annunciator light system is
operative.
Maintenance Procedure Required

-6 Static Port Heaters C 4 0 May be inoperative except when arrival and departure
airport temperatures are +5C or below and runways are
covered with slush or standing water.

-7 Stall Warning Vane C 2 0 May be inoperative provided flight is not made in known or
Heaters forecast icing conditions.

-8 Ram Air Temp Probe C 1 0 May be inoperative provided flight is not made in known or
Heater forecast icing conditions.
MINIMUM EQUIPMENT LIST ISSUE REV 01-30-2

30-ICE AND RAIN PROTECTION

1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

30-ICE AND RAIN PROTECTION 5. Remarks and/or Exceptions

-9 Rudder Limit Pitot Combined with Item 30-4

Heater

-10 Water Service Panel C 1 0

Heater

-11 AIRFOIL ICE PROT C 1 0 May be inoperative provided flight is not made in known or
PRESS ABNORMAL forecast icing conditions
Annunciator System

-12 ICE PROTECT SUPPLY C 1 0 May be inoperative provided flight is not made in known or
PRESSURE HI forecast icing conditions
Annunciator System

-13 ICE PROTECT TEMP C 2 0 May be inoperative provided flight is not made in known or
HIGH Annunciator forecast icing conditions
Systems

-14 ICE PROTECT TEMP C 2 0 May be inoperative provided flight is not made in known or
LOW Annunciator forecast icing conditions
Systems

-15 WING ANTI-ICE ON [01] C 1 0 May be inoperative provided TAIL DE-ICE ON Annunciator is
Annunciator operative.

[02] C 1 0 May be inoperative provided flight is not made in known or

forecast icing conditions

-16 TAIL DE-ICE ON [01] C 1 0 May be inoperative provided WING ANTI-ICE ON Annunciator
Annunciator is operative.

[02] C 1 0 May be inoperative provided flight is not made in known or

forecast icing conditions

-17 Ice Protection Shutoff C 2 0 May be inoperative provided:

Valves (Wing and Tail) a) Pneumatic crossfeed valves are CLOSED after engine start,
and
b) Flight is not made in known or forecast icing conditions.
Maintenance Procedure Required

-18 Airfoil Anti-icing C 1 0 May be inoperative provided:

Pressure Regulator and a) Pneumatic crossfeed valves are CLOSED after engine start,
Shutoff Valve and
b) Flight is not made in known or forecast icing conditions.
Maintenance Procedure Required

-19 Fuselage and Wheel Well C 1 0 May be inoperative provided:

Overheat System a) Airfoil ice protection is not used, and
b) Flight is not made in known or forecast icing conditions.

-20 Windshield Heat System

1) Anti-Ice C 1 0 May be inoperative provided:
a) Windshield anti-fog system is operative, and
b) Flight is not made in known or forecast icing conditions.
MINIMUM EQUIPMENT LIST ISSUE REV 01-30-3

30-ICE AND RAIN PROTECTION

1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

30-ICE AND RAIN PROTECTION 5. Remarks and/or Exceptions

NOTE: See AFM Limitations for speed and altitude restrictions

for loss of windshield heat.
Maintenance Procedure Required
2) Anti-fog C 1 0 May be inoperative provided windshield anti-ice system is
operative.
NOTE: Clearview and/or eyebrow window anti-fog system may
inoperative
Maintenance Procedure Required

-21 Windshield Wiper C 2 0 May be inoperative provided airplane is not operated in

System (If Second System precipitation within 5 nautical miles of the airport of takeoff or
Installed) intended landing.

1) Slow Speed C 2 0 May be inoperative provided FAST speed is operative

2) Fast Speed C 2 0 May be inoperative provided SLOW speed is operative.
3) Park Function C 2 0 May be inoperative for all flight conditions provided the blade(s)
can be positioned in a location that will not obstruct forward
vision.

-22 NOT APPLICABLE

-23 De-Fog System Deleted – must be operative

-24 Tail De-Ice Timer [01] C 1 0 May be inoperative provided Tail De-Ice System can be operated
manually.

Crew Operating Procedure

- If timer is failed off, hold tail de-ice button in for 2.5
minutes when required.
- If timer is failed on, pull WING & TAIL VALVES c/b (M 24).
When tail de-ice is required, reset c/b for 2.5 minute
intervals.

[02] C 1 0 May be inoperative provided flight is not made in known or

forecast icing conditions.

-25 NOT APPLICABLE

-26 Windshield Over/ Under D 1 0

Temperature Indicating
System

-27 PITOT/STALL C 1 0 May be inoperative provided:

HEATER OFF Light a) Anti-icing heaters current ammeter system is operative,
System and
b) It is verified that the associated heaters are operative.
Crew Operating Procedure
The affected heaters may be verified operative by rotating
METER SEL & HEAT selector to affected heater position and
observing HEATER CURRENT meter indication.
MINIMUM EQUIPMENT LIST ISSUE REV 01-30-4

30-ICE AND RAIN PROTECTION

1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

30-ICE AND RAIN PROTECTION 5. Remarks and/or Exceptions

-28 Galley Drain Mast C 2 0 May be inoperative provided drain line to associated drain mast
Heaters is disconnected, or turned OFF.

Maintenance Procedure Required

-29 Wing Ice Detection C 1 0 May be inoperative provided hand feel inspection of the wing
System inboard upper surface is performed.
MINIMUM EQUIPMENT LIST ISSUE REV 01-31-1

31-INSTRUMENTS
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

31-INSTRUMENTS 5. Remarks and/or Exceptions

-1 Clocks (Cockpit) C 2 1

-2 Flight Data Recorder

(FDR) System

1) Flight Data Recorder A 1 0 May be inoperative provided:

1) The cockpit voice recorder is operative, and
2) Repairs or replacements are made within 72 elapsed
hours or eight (8) flight legs, whichever comes first.
3) It is not reasonably practicable to repair or replace DFDR
before the commencement of the flight.
2) Quick Access A 1 0 May be inoperative provided:
Recorders 1) The flight data recorder is operative, and
2) Repairs or replacements are made within 10 days;

-3 Digital Flight Data Combined with item 31-2

Recorder

-4 Cockpit Voice Recorder Moved (see item 23-16)

System

-5 Central Aural Warning

System

1) APU Fire Warning C 1 0 May be inoperative provided during APU operations the
Horn system is monitored at the cockpit control panel.

Crew Operating Procedure

When the APU Fire Warning is inoperative, monitor the APU

Fire Light on the Overhead Annunciator Panel.
2) Stall Warning Deleted – must be operative

3) Altitude Alert Refer to item 34-28

Warning

4) Cabin Altitude Refer to item 21.27

Warning

5) Autopilot Disconnect C 1 0 May be inoperative provided autoland mode is not used.

Warning NOTES:
1. Lowest approach minimum Cat 1
2. Monitor FMA for autopilot engagement status.
3. For autopilot disengage warning lights see ATA 22-10

Crew Operating Procedure

Most failures will turn on the CAWS FAIL annunciator on the

overhead annunciator panel. Also monitor the FMA.

6) Overspeed Warning Moved (See Item 34-5)

MINIMUM EQUIPMENT LIST ISSUE REV 01-31-2

31-INSTRUMENTS
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

31-INSTRUMENTS 5. Remarks and/or Exceptions

7) Slat Overspeed C 1 0 May be inoperative provided airspeed limitations are observed.

Warning

Crew Operating Procedure

When the Slat Overspeed Warning is inoperative, most
failures will turn on the CAWS FAIL annunciator on the
overhead annunciator panel. Monitor the Mach/Airspeed
Indicators and observe airspeed limitations.

8) NOT APPLICABLE C 1 0 May be inoperative provided SELCAL light is operative.

9) Speed Brake Warning C 1 0

10) NOT APPLICABLE

11) Voice Warning C 1 0 May be INOP provided procedures do not require its use.

-6 NOT APPLICABLE

-7 NOT APPLICABLE
-8 NOT APPLICABLE
MINIMUM EQUIPMENT LIST ISSUE REV 01-32-1

32-LANDING GEAR
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

32-LANDING GEAR 5. Remarks and/or Exceptions

-1 Parking Brake Deleted – must be operative

-2 Dual Hydraulic Power Deleted – must be operative

Brake Control Valve
-3 Selector valve Deleted – must be operative

-4 NOT APPLICABLE

-5 Position and Warning Deleted – must be operative

System

-6 Brake Temperature C 4 2 One required for each main gear.

Sensor
Crew Operating Procedure
- During cockpit preparation perform the test of single
operative position, moving the brake selector to desired
position and pushing the temperature test button. Observe OVHT
light comes on.
- Before takeoff check brake temperature on each operative
position and verify OVHT light off.
Maintenance Procedure Required

-7 NOT APPLICABLE

-8 PARKING BRAKES ON C 1 0 May be inoperative provided:

Annunciator System a) Alternate operations procedures are used for brake release,
and
b) Alternate maintenance procedures are used to verify
proper operation of Anti-Skid and Takeoff Warning
Systems.

NOTE: The parking brake input to takeoff warning system may be

also inoperative.
Crew Operating Procedure

- Verify that brake pedals are released prior to move.

- Verify that ANTI-SKID lights are off prior to takeoff.
- Turn anti-skid switch to OFF before setting parking brake.
Maintenance Procedure Required

-9 NOT APPLICABLE

-10 Main Wheel Braking C 8 7 Left or Right Brake Hydraulic System within any one wheel may
Systems be inoperative provided performance penalties from MD-80
AFM Appendix 3B are applied.

Crew Operating Procedure

One Main Wheel Braking System inoperative - Refer to MD-80

AFM Appendix 3B for procedures and performance.

Maintenance Procedure Required

MINIMUM EQUIPMENT LIST ISSUE REV 01-32-2

32-LANDING GEAR
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

32-LANDING GEAR 5. Remarks and/or Exceptions

-11 NOT APPLICABLE

-12 Main Landing Gear C 1 0

WHEEL NOT
TURNING Light
MINIMUM EQUIPMENT LIST ISSUE REV 01-33-1

33-LIGHTS
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

33-LIGHTS 5. Remarks and/or Exceptions

-1 Cockpit and Instrument C 30 15 Individual lights may be inoperative provided remaining

Lighting Systems lights are:
a) Sufficient to clearly illuminate all required instruments,
controls and other devices for which it is provided,
b) Positioned so that direct rays are shielded from flight
crew eyes,
c) Lighting intensity can be controlled or preset to a
satisfactory level for the expected flight conditions, and
d) Lighting configuration and intensity is acceptable to the
flight crew.
Crew Operating Procedure

- Utilize alternate lighting as required.

- If thunderstorm light switch is inoperative adjust panel
floodlights to required brightness.

-2 Cabin Interior C 120 30 May be inoperative provided:

Illumination a) Sufficient lighting is operative for crew to perform
required duties, and
b) Lighting configuration at dispatch is acceptable to the
flight crew.

-3 Cargo Compartment C 20 0
Lighting Systems
MAINTENANCE NOTE:
Cargo Compartment Lighting Systems may be deactivated
if necessary by pulling and collaring appropriate lighting
system circuit breakers. Be advised, however, not to pull
and collar any circuit breakers which may also be
associated with wheel well lighting.

-4 Passenger Notice
System (No Smoking/
Fasten Seat Belt/
Return to Cabin)

1) Automatic System [01] D 1 0 May be inoperative provided Manual System is operative.

[02] D 1 0 May be inoperative provided:
a) Passenger address system is operative,
b) The Call System (aural signal) and the Service Interphone
System are operative, and
c) Passenger Address System is used to alert the Cabin
Attendants and to notify the passengers and Attendants
when seat belts should be fastened and smoking is
prohibited.

2) Manual System C 1 0 May be inoperative provided:

a) Passenger address system is operative,
b) The Call System (aural signal) and the Service Interphone
System are both operative, and
c) Passenger Address System is used to alert the Cabin
Attendants and to notify the passengers and Attendants
when seat belts should be fastened and smoking is
prohibited.
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33-LIGHTS
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

33-LIGHTS 5. Remarks and/or Exceptions

3) Lighted Signs [01] C 43 0 May be inoperative provided Passenger or Cabin Attendant

seats or lavatories from which a legible NO SMOKING/
FASTEN SEAT BELT/RETURN TO CABIN sign cannot
be readily seen are blocked and not occupied. Associated
seat or lavatory must be blocked and placarded – DO NOT
OCCUPY.

NOTE: These provisions are not intended to prohibit

lavatory use of inspections by crewmembers.
Maintenance Procedure Required
[02] C 43 0 May be inoperative provided Passenger Address System is
used to alert the Cabin Attendants and to notify the
passengers and Attendants when seat belts should be
fastened and smoking is prohibited.

-5 Anti-Collision Beacon [01] C 2 0 May be inoperative provided airplane is not operated at

Lights (Fuselage-Red) night.

[02] C 2 0 May be inoperative provided Wing Tip White

Strobe/Anticollision lights are operative.

NOTE: Some A/C must be placed in the flight mode by

tripping the “left GND control relay” C/B to check
operation of the strobe lights on the ground

-6 Wing and Nacelle

Illumination Light
Systems

1) Wing Illumination C 2 0 May be inoperative provided:

Lights a) Ground deicing procedure do not require their use, and
b) A portable lamp, adequate to inspect the wings in flight,
is available for night operation in icing conditions.

2) Nacelle Illumination C 2 0
Lights

-7 Landing Lights
1) Wing Lights [01] C 2 0 May be inoperative provided airplane is not operated at
night.
[02] C 2 0 May be inoperative provided both Nose Gear Lights are
operative

2) Nose Gear Lights [01] C 2 0 May be inoperative provided airplane is not operated at
night.
[02] C 2 0 May be inoperative provided both Wing Landing Lights are
operative

3) Wing Light Retract [01] C 2 0 May be inoperative provided Wing Landing Lights are
System retracted and not used.

[02] C 2 0 May be inoperative provided:

a) Wing landing lights are extended and performance
limited weights are reduced by the values shown below
MINIMUM EQUIPMENT LIST ISSUE REV 01-33-3

33-LIGHTS
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

33-LIGHTS 5. Remarks and/or Exceptions

for each extended light:

TAKEOFF ……………………………………590 kg
ENROUTE …………………………………….1179 kg
APPROACH/LANDING ………………………499 kg
and
b) Takeoff speeds are determined using actual weight plus
the weight penalty. (All other speeds are determined
at actual weight).
Crew Operating Procedure
- Apply penalties to performance limited weights, as shown
above.
- Apply appropriate takeoff speed corrections.
- Increase planned trip fuel by 3.5% for both lights fixed
extended (or by 1.75% for one light fixed extended).
Maintenance Procedure Required

-8 Ground Floodlights C 2 0

-9 Fixed Forward Position [01] C 4 2 One bulb (red or green) must be operative on each wing tip for
Light Bulbs (Wing night operation.
Tips)

NOTE: Automatic Switching Position Light Assembly is

considered operative if one bulb illuminated per assembly
during normal operations.
[02] C 4 0 May be inoperative provided airplane is not operated at
night.
Maintenance Procedure Required

-10 Fixed Aft Position [01] C 4 2 One bulb must be operative on each wing tip for night
Lights operation.

NOTE: Automatic Switching Position Light Assembly is con-

sidered operative if one bulb is illuminated per assembly during
normal operations.

[02] C 4 0 May be inoperative provided airplane is not operated at

right.
Maintenance Procedure Required

-11 NOT APPLICABLE

-12 Passenger Cabin Deleted – must be operative.

Emergency Lighting
System

-13 NOT APPLICABLE

-14 Main Gear Visual C 2 0 May be inoperative provided airplane is not operated at
Downlock Lights night.

-15 Master Warning Lights C 2 1

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33-LIGHTS
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

33-LIGHTS 5. Remarks and/or Exceptions

-16 Master Caution Lights C 2 1

-17 Door Warning Light Moved to item 52-7

System

-18 NOT APPLICABLE

-19 Cabin Standby C 1 0

Lighting System

-20 Exterior Emergency B 1 0 May be inoperative provided airplane is not operated at

Illumination System night.

-21 White Strobe/ Anti- [01] C 4 0 May be inoperative provided both Anti-Collision Beacon
Collision Lights Lights are operative.
(Forward and Aft
Wing Tips)

[02] C 4 0 May be inoperative provided airplane is not operated at

night.

-22 Service Area Lights

1)Wheel Well C 3 0
Maintenance Lights
C 1 0
2) Tail compartment

3) Fwd Accessory Moved to MEL Item 25-12.

4) Water&Waste service Moved to MEL Item 25-12.

panel
5) E&E compartment Moved to MEL Item 25-12.

-23 NOT APPLICABLE

-24 Floor Proximity

Emergency Escape
Path Marking System
Lights

1) Longitudinal A 27 13 One or more may be inoperative provided:

Electroluminescent a) None is adjacent to each other, and
Lighting Strips b) The most forward and rear end-strip are operative, and
(Green) c) Repairs are made within two (2) flight days.
Crew Operating Procedure

Cabin Attendants must be briefed on the situation.

2) Longitudinal A 3 2 Only the lighting strip related to one overwing emergency
Electroluminescent exit may be inoperative provided repairs are made within two (2)
Lighting Strips flight days.
(Orange)
Crew Operating Procedure
Cabin Attendants must be briefed on the situation.
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33-LIGHTS
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MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

33-LIGHTS 5. Remarks and/or Exceptions

3) Electroluminescent A 8 6 May be inoperative only at the overwing emergency exit

EXIT Identifiers provided:
(Green) a) The inoperative EXIT identifiers are not on the same side
and,
b) Repairs are made within two (2) flight days.
Crew Operating Procedure
Cabin Attendants must be briefed on the situation.

4) Tail Cone Zone A 3 2 Only the electroluminescent marking nearby the tailcone
Electroluminescent slide pack may be inoperative provided repairs are made
Markings (Green) within two (2) flight days.
Crew Operating Procedure
Cabin Attendants must be briefed on the situation.

-25 NOT APPLICABLE

-26 EMERGENCY LIGHT B 1 0 May be inoperative provided it is determined that the

NOT ARMED Emergency Light System is ARMED.
Annunciation
Crew Operating Procedure
With the airplane electrical system powered, place the Cabin
Emer Lts switch in ARM position, pull out the EMERGENCY
LIGHTS ARM & CHARGE c/b (connected to EMERGENCY
DC BUS) located on the overhead circuit breaker panel and
check the emergency lights come on.

Reset the EMERGENCY LIGHTS ARM & CHARGE c/b and

check the emergency lights go out.

-27 NOT APPLICABLE

-28 Annunciator/Warning B 1 0 May be inoperative provided:

Light Dimmer Function a) The airplane is not operated during daylight conditions if
the Dimmer function is limited to the "DIM" position, and
b) The lighting configuration and intensity are acceptable to
the flight crew based on the ambient light conditions
expected for the duration of the intended flight

-29 Overhead Annunciator B 4 0 Inactive/unused light positions, on the WAAP, may be

Panel Light Positions inoperative provided:
a) Affected light positions does not monitor any system in
the current aircraft configuration, and
b) Affected light position is clearly identified to the flight
crew.
Maintenance Procedure Required
MINIMUM EQUIPMENT LIST ISSUE REV 01-34-1

34-NAVIGATION
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

34-NAVIGATION 5. Remarks and/or Exceptions

-1 Stall Warning System Deleted in MMEL rev. 22 Must be operative

-2 TAS/SAT Indicator
1) TAS Indication D 1 0 NOTE: Other systems such as FMS and DFGS may be affected.

2) SAT Indication D 1 0 May be inoperative provided RAT indication is operative

-3 MACH Indicator System [01] C 2 1 May be inoperative provided:

a) Pilot flying airplane above FL 250 must have operative
mach indicator,
b) An independent airspeed indicator is operative on each pilot's
panel,
c) Overspeed visual and aural warning system is operative, and
d) Mach Trim compensator is operative.

NOTE: Other systems such as DFGS, GPWS,, FMS and TAS/SAT may
be affected.

[02] C 2 0 May be inoperative provided:

a) An independent airspeed indicator is operative on each
pilot's panel,
b) Airplane is operated at or below FL 250, and
c) Overspeed warning system is operative.

NOTE: Other systems such as DFGS, GPWS, PMS, FMS and

TAS/SAT may be affected.

-4 Air Speed Command [01] C 2 0 May be inoperative provided Autothrottle System controls
Bugs airspeed to the selected airspeed displayed on the Flight
Guidance Control Panel.

Crew Operating Procedure

If autothrottles will not control to selected airspeed, disconnect
autothrottles.

[02] C 2 0 May be inoperative provided Autothrottles are not used.

-5 Overspeed Warning B 1 0 May be inoperative provided:

System a) Both Mach Indication Systems are operative for flights
conducted above FL 250, and
b) The following speed limitations are observed:

Mmo=0.79 Mach above FL 250

Vmo=325 KIAS below FL 250.

Crew Operating Procedure

Limit speed to 0.79 Mach above FL 250 and 325 knots IAS
below FL 250.

-6 Altimeters Deleted

-7 Altimeter Vibrators Deleted

MINIMUM EQUIPMENT LIST ISSUE REV 01-34-2

34-NAVIGATION
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

34-NAVIGATION 5. Remarks and/or Exceptions

-8 Rate-of-Climb Deleted in MMEL Rev. 22. Must be operative

Indicator

-9 Ram Air Temperature [01] C 1 0 The RAT portion may be inoperative provided:
(RAT)/Thrust Rating
Systems a) SAT Indicating System or FMS SAT readout is available,
b) Other systems affected by the RAT Probe (DFGS, CADC,
Thrust Rating, FMS) are considered,
c) Thrust Rating System portion is considered inoperative, and
d) Procedures are established to verify engine power settings.

Crew Operating Procedure

Use SAT Indicator when temperature information is required.
Convert SAT to RAT by using chart on O.M./B Vol.2
Cap. 11 -10.
Maintenance Procedure Required

[02] C 1 0 The EPR Limit/Thrust Rating portion may be inoperative

provided:
a) RAT or SAT Indication System or FMS SAT readout is
available,
b) The EPR Reference Bugs Automatic Mode is considered
inoperative,
c) EPR Limit Mode of the autothrottle is placarded
inoperative, and is not used, and
d) Procedures are established to verify engine power settings.

Crew Operating Procedure

Determine EPR limits by using charts on O.M./B Vol. 2 Cap.
11-20 and set EPR reference bugs manually. If autothrottle is
used (Speed Select/Mach Select Modes), flight crew must
ensure EPR does not exceed limits. Automatic EPR Limit bug
will be invalid.

-10 Static Air Temperature D 1 0 May be inoperative provided RAT System is operative
(SAT) Indicator

-11 Horizon Indicators Deleted in MMEL Rev. 22. Must be operative

-12 Vertical Gyros C 3 2 One may be inoperative provided independent Primary Attitude
(Excludes Standby information is available on each pilot's panel.
Attitude Indicator)

-13 NOT APPLICABLE

-14 Directional Compass A 2 2 Must be repaired before next flight

System Sensors
(Directional Gyros)
(Excludes Standby)

-15 Non-Stabilized Standby B 1 0 May be inoperative provided:

(Magnetic) Compass a) Any combination of two independent magnetic stabilized
directional compass systems are operative,
b) Airplane is operated with dual independent navigation
capability and under positive radar control by ATC on
MINIMUM EQUIPMENT LIST ISSUE REV 01-34-3

34-NAVIGATION
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

34-NAVIGATION 5. Remarks and/or Exceptions

enroute portion of flight.

-16 Flight Director Systems [01] C 2 1 May be inoperative provided:

a) Each panel has complete Flight Director information from an
independent source, and
b) Flight Director switch is not moved in flight.

NOTES:
1. The FLT DIR Switch may be In BOTH ON 1 or BOTH ON 2, but the
complete navigation data ("raw data” required for the approach must
be displayed on each pilot's panel from an independent source.
2. The CADC Switch must be in the NORM position.
3. Lowest approach minimum Cat 1.
4. For Flight Director Switching System, see ATA 34-34-1).

Crew Operating Procedure

One Flight Director System inoperative:
Do not move FD CMD switch from its selected position.

NOTE: For Series 80 with dual DFGS, any Flight Director

mode or function which operates normally may be used

[02] C 2 0 May be inoperative provided approach minimums do not require

its use.

-17 Distance Measuring C 2 1 Only DME n. 2 may be inoperative.

Equipment (DME)

-18 Marker Beacon System C 1 0 May be inoperative provided approach minimums do not require
its use.

-19 Weather Radar Systems A 1 0 May be inoperative provided:

a) the weather reports or forecasts available to the commander
do not indicate that thunderstorms or other potentially
hazardous weather conditions, which could be detected by
the system when in working order, to be encountered on the
intended route or any planned diversion there from, and
b) Repairs or replacements are made within two flight days.

1) NOT APPLICABLE
2) Weather Radar A 1 0 REFER to item 34-19 Weather Radar Systems above.
Displays

-20 ADF System [01] C 2 0 May be inoperative provided:

a) Enroute operations and/or approach minimums do not
require its use, and
One DME, two VOR’s are operative.
[02] C 2 1 Refer to Item 34-21-1
[03] D 2 1 May be inoperative provided on any route, or part thereof,
navigation is not based on the use of ADF System only.

-21 VHF Navigation

Systems (VOR/ILS)
MINIMUM EQUIPMENT LIST ISSUE REV 01-34-4

34-NAVIGATION
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

34-NAVIGATION 5. Remarks and/or Exceptions

1) VOR [01] C 2 1 Only VHF NAV Receiver N.2 may be inoperative provided:
1) Both FMS are operative, and
2) Where navigational capability can be assured and the
approach procedures are not required to be based on VOR
signals.
NOTE: The possibility of in-flight failure of a FMS sensor (DME
or GPS) should be considered, so that safe navigation with the
remaining serviceable sensors and equipment is assured.

[02] C 2 1 Only VHF NAV Receiver N.2 may be inoperative provided:

1) One FMS is operative, and
2) Both ADF (where required) and DME are operative, and
3) Operational procedures are not based only on VOR signals.
NOTE: The possibility of in-flight failure of a FMS sensor (DME
or GPS) should be considered, so that safe navigation with the
remaining serviceable sensors and equipment is assured.

2) ILS (Localizer and C 2 0 May be inoperative provided approach procedures are not
GP) predicated on its use. Low Visibility Procedures are affected.

-22 ATC Transponder/ C 2 1 Provided that for operations in RVSM Airspace, the altitude
Altitude System encoding function is operative.

-23 Radio Altimeter Systems

1) Receiver/Transmitter [01] C 2 1 One operative radio altimeter is required to conduct ILS

(R/T) Unit approaches using flight director and/or autopilot.

NOTE: Inoperative number 1 radio altimeter renders the

GPWS inoperative (refer to item 34-29).

[02] A 2 0 May be inoperative provided:

a) Approach procedures are not predicated on its use,
b) Associated Radio Altimeter system is deactivated, and
c) Repair is made within two (2) flight days.

NOTE: GPWS and TCAS have been rendered inoperative

(refer to item 34-29 & 34-43).
Maintenance Procedure Required

2) Altitude Indicator C 2 1 May be inoperative provided:

a) Associated receiver/ transmitter is verified to operate
normally, and
b) Approach minimums do not require its use.

3) Decision Height C 2 1 May be inoperative provided approach minimums do not

(DH)/ Minimum require its use.
Descent Altitude
(MDA) Indication

4) Rising Runway C 2 0 May be inoperative provided approach minimums do not

indication require its use.

-24 Combined with MMEL

34-23
MINIMUM EQUIPMENT LIST ISSUE REV 01-34-5

34-NAVIGATION
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

34-NAVIGATION 5. Remarks and/or Exceptions

-25 Supplementary Stall Deleted in MMEL Rev.25

Recognition System

-26 Navigation/ Instrument C 1 0 May be inoperative provided approach procedures are not
Comparator, Monitor predicated on its use.
and Warning Systems
NOTES
- Autothottle and Autopilot disconnect annunciations must
be operative for an operative Autothrottle and Autopilot
System.
- Does not include power failure warning system.

-27 Standby Horizon B 1 0 May be inoperative provided:

a) Operations are conducted in Day VMC only, and
b) Operations are not conducted into known or forecast
VFR-on-Top conditions.

-28 Altitude Alert A 1 0 May be inoperative provided:

System/Warning a) Autopilot with altitude hold is operable,
b) Enroute operations do not require its use, and
c) Repair is made within three (3) flight cycles.
d) Airplane does not depart from an airport where repair or
replacement can be made.

Crew Operating Procedure

When operating using the Attitude Preselect mode of the
Autopilot, monitor selected climb or descent and verify
aircraft captures selected altitude.
When operating using the Altitude Hold mode of the
Autopilot, monitor altitude and verify aircraft maintains
selected altitude.

NOTES: Altitude Hold mode will disengage when another pitch

mode of the Autopilot is engaged or glideslope is captured.
RVSM operations are not allowed.

-29 Ground Proximity A 1 0 May be inoperative provided:

Warning System a) Crew operating procedure shown below is applied, and
b) Repairs are made within two (2) flight days.
Crew Operating Procedure
Pilot not flying should monitor flight path during takeoff,
approach, and landing, and alert the pilot flying if any of the
following conditions exist:
- Excessive descent rate.
- Excessive terrain closure rate.
- Altitude loss after takeoff or go-around.
- Unsafe terrain clearance while not in the landing mode.
- Deviation from glideslope.

1) Terrain Avoidance A 4 0 May be inoperative provided:

Modes (Modes 1-4) a) Related Crew Operating Procedure is applied, and
b) Repairs are made within two (2) flight days
Crew Operating Procedure
Refer to C.O.P. item 34-29
MINIMUM EQUIPMENT LIST ISSUE REV 01-34-6

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1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

34-NAVIGATION 5. Remarks and/or Exceptions

2) Test Mode A 1 0 May be inoperative provided:

a) The GPWS is considered inoperative, and
b) Repairs are made within two (2) flight days.
Crew Operating Procedure
Refer to C.O.P. item 34-29

3) Glideslope Deviation [01] C 2 1

(Mode 5)

[02] B 2 0 May be inoperative, provided alternate procedure are established

and used.

NOTE: Pilot not flying should monitor flight path during

approach and landing and alert the pilot flying of a deviation
from glide slope.

4) Advisory Callouts B 1 0 May be inoperative provided related Crew Operating Procedure

is applied.
Crew Operating Procedure
Refer to C.O.P. item 34-29

5) NOT APPLICABLE

6) Terrain Awareness C 1 0 May be inoperative provided the GPWS functions are operative.
and Warning System
(TAWS)
a) Forward Looking B 1 0 May be inoperative provided alternate procedures are
Terrain Avoidance established and used.
(FLTA) and
Premature Descent Crew Operating Procedure
Alter (PDA) Functions Refer to C.O.P. Item 34-29.

b) Terrain Display [01] C 2

Functions
[02] B 2

-30 NOT APPLICABLE

-31 NOT APPLICABLE

-32 Air Data Computer Deleted in MMEL Rev. 22.

-33 Ram Air Temperature/ Combined with item 34-9.

Thrust Rating Systems

-34 Instrument Switching

System

1) Flight Director C 1 0 May be inoperative provided:

a) Each pilot's panel has complete Flight Director information
from an independent source, and
b) Associated selector is not moved during flight.
NOTE: For Flight Director System, see ATA 34-16)
MINIMUM EQUIPMENT LIST ISSUE REV 01-34-7

34-NAVIGATION
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

34-NAVIGATION 5. Remarks and/or Exceptions

2) Vertical Gyro C 1 0 May be inoperative provided:

a) Each pilot's panel has complete Primary Attitude information
from an independent source, and
b) Associated switch is not moved during flight.

3) Compass System C 1 0 May be inoperative provided:

a) Each pilot's panel has complete Directional Compass
information from an independent source, and
b) Associated switch is not moved during flight.

4) VOR/ILS NAV C 1 0 May be inoperative provided:

a) Each pilot's panel has complete VOR/ILS information
from an independent source, and
b) Associated selector is not moved during flight.
5) NOT APPLICABLE

-35 NOT APPLICABLE

-36 NOT APPLICABLE

-37 NOT APPLICABLE

-38 NOT APPLICABLE

-39 Radio Magnetic

Indication (RMI)/ Radio
Distance Magnetic
Indication (RDMI)
Systems.

1) Compass Card C 2 1 Compass card of one indicator may be inoperative provided:

a) The associated HSI card is operative, and
b) Both pilots have independent directional compass
information.

2) Bearing Pointer Refer to item 34-21

-40 B-RNAV(RNP5) LTN- A 1 0 May be inoperative provided:

72R (if installed) a) Flight can be replanned on conventional routes,
b) Airplane shall not depart from an airport where repairs or
replacements can be made, and
c) Repairs are made within one flight day.

-41 NOT APPLICABLE

-42 Flight Management C 1 0 Specific modes (LNAV, VNAV) or functions may be
Systems (FMS) inoperative provided mode or function is not required for
operations being conducted.

1) Computers C 2 0 May be inoperative provided the associated FMS is not required

for operations being conducted.

2) Multi-Function C 1 0 May be inoperative provided associated MCDU is not required

Control Display for operations being conducted.
Units (MCDU)
MINIMUM EQUIPMENT LIST ISSUE REV 01-34-8

34-NAVIGATION
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

34-NAVIGATION 5. Remarks and/or Exceptions

3) Navigation Data C 2 0 May be out of currency provided:

Base a) Current Aeronautical Charts are used to verify Navigation
Fixes prior to dispatch,
b) Procedures are established and used to verify status and
suitability of Navigation Facilities used to define route of
flight.
c) Approach Navigation Radios are manually tuned and
identified, and
d) Up-to-dating is made within ten (10) calendar days.
NOTE: If a data base is out of date, it may be used provided,
flight plan and navigation aid position data integrity is
established by reference to an approved external data base.
Approved external databases comprise the OM-C (Route
Manual) and the applicable Operational Flight Plan.

-43 Traffic Alert/Collision B 1 0 May be inoperative provided the system is deactivated and secured
Avoidance System and enroute or approach procedures do not require its use.
(TCAS)
NOTE: Local or regional airspace requirements may impose a
more restrictive rectification interval.
Maintenance Procedure Required
1) Combined Traffic C 2 1 May be inoperative provided:
Alert (TA) and a) TA and RA visual dispaly is operatvie on the flying pilot
Resolution Advisory side, and
(RA) Dual Displays b) TA and RA audio function is operative on the flying pilot
side.

2) Resolution Advisory C 2 1 May be inoperative on non-flying pilot side.

(RA) Display
System(s)

C 2 0 May be inoperative provided:

a) Traffic Alert (TA) visual display and audio functions are
operative,
b) TA only mode is selected by the crew, and
c) Enroute or approach procedures do not require its use.

Crew Operating Procedure

- One RA Display system inoperative:
Corrective action based on Resolution Advisories should be
implemented by pilot with the operative RA display.
- Both RA Display systems inoperative:
Operate with the Function Selector of the Mode S/TCAS Control
Unit in the TA position.

3) TA Alert Display C 1 0 May be inoperative provided:

System(s) a) RA visual display and audio functions are operative, and
b) Enroute or approach procedures do not require its use.

Crew Operating Procedure

Verify all RA Display and audio functions (if installed) are
operative.

4) Audio Functions B 1 0 May be inoperative provided enroute or approach procedures do

not require use of TCAS.
MINIMUM EQUIPMENT LIST ISSUE REV 01-34-9

34-NAVIGATION
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

34-NAVIGATION 5. Remarks and/or Exceptions

-44 NOT APPLICABLE

-45 NOT APLICABLE

-46 NOT APPLICABLE

-47 Metric Altimeter C 1 0 May be inoperative provided alternate procedures for

determining metric altitude are established and used if
metric altitude information is required for the operations
being conducted.
Crew Operating Procedure
If metric altitude information are required refer to conversion
table O.M. /B Vol. 2 Chapter 11-10

-48 Global Positioning C 2 0 May be inoperative provided procedures are not predicated on
System (GPS) (If its use.
installed) NOTE: (See ATA 34-42)

-49 NOT APPLICABLE

-50 NOT APPLICABLE

-51 Decision Height C 2 0 May be inoperative provided approach minimums do not require
Indication its use.

-52 Airspeed Indicator C 8 0 May be damaged or missing provided associated Crew

External Reference Bugs Operating Procedure is used.
(Excludes Command
Bugs) NOTE: Refer to Item 34-4 for Airspeed Command Bugs.

Crew Operating Procedure

- Prior to departure, flight crew should crosscheck/confirm V-
speeds.
- If Airspeed Command Bug is also inoperative, at least one
External Reference Bug should be available on each
Airspeed Indicator. This should be set to V2 prior to
takeoff, and to final approach speed prior to approach/landing.
MINIMUM EQUIPMENT LIST ISSUE REV 01-35-1

35-OXYGEN
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

35-OXYGEN 5. Remarks and/or Exceptions

-1 Flight Crew Oxygen

System

1) Quick Donning B 3 2 The observer's oxygen mask/regulator may be inoperative

Oxygen Mask/ provided the observer is not present on board.
Regulator

2) Oxygen Flow B 3 2 The observer's oxygen flow indicator may be inoperative

Indicator provided the observer is not present on board,

3) Crew Oxygen Deleted

Cylinder Pressure Ind

4) OXY LINE PRESS C 1 0 May be inoperative provided;

indicator a) Direct reading gauge on the crew oxygen bottle indicates
adequate pressure, and
b) Flight crew oxygen system is verified to operate normally.

5) Oxygen cylinder C 1 0 Crew Operating Procedure

Discharge Indicator a) Ensure crew oxygen cylinder contains sufficient oxygen
supply for dispatch.

NOTE: The pressure gauge indicates cylinder pressure with

the shutoff valve in either the open or closed position.

b) Verify shutoff valve is in the open position on the crew

oxygen cylinder.
c) Verify flight crew oxygen system operates normally.

May be damaged or missing provided flight crew oxygen

system is verified to operate normally.
Crew Operating Procedure
Ensure crew oxygen supply contains sufficient oxygen supply
for dispatch.

-2 Passenger Oxygen System B 1 0 May be completely inoperative for flight up to 10000 ft

altitude.
Maintenance Procedure Required

1) Automatic Door C 1 0 May be inoperative provided:

Opening Function a) All passenger oxygen mask access doors are CLOSED and
LATCHED,
b) The manual mask release system is operative, and
c) Flight altitude is limited to FL 300 or below.
Maintenance Procedure Required

2) Manual Mask Release B 1 0 May be inoperative provided Passenger Oxygen system is

System considered inoperative.

3) Passenger Oxygen [01] B 74 0 Individual door may be inoperative UNLATCHED provided:

Mask Access Door a) Associated oxygen doors are UNLATCHED and masks
Latch secured, and
b) Affected seats are blocked
MINIMUM EQUIPMENT LIST ISSUE REV 01-35-2

35-OXYGEN
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

35-OXYGEN 5. Remarks and/or Exceptions

Maintenance Procedure Required

[02] B 74 0 Individual door may be inoperative UNLATCHED provided:

a) Flight altitude is limited to FL 300 or below, and
b) Passengers occupying affected seats are briefed on
access to oxygen masks.
Maintenance Procedure Required
[03] B 74 0 Individual door may be inoperative in the LATCHED
condition provided affected seats are BLOCKED.
Maintenance Procedure Required
4) Lavatory Oxygen B 3 2 May be inoperative provided:
a) Associated lavatory door is locked CLOSED and
placarded "INOPERATIVE - DO NOT ENTER" , and
b) Associated lavatory is not used for any purpose.

NOTE: These provisos are not intended to prohibit lavatory

inspections by crewmembers
Maintenance Procedure Required

-3 CABIN OXYGEN ON D 1 0
Light
-4 First Aid Portable C 4 - One first aid portable oxygen bottle must be available for
Oxygen Bottle (11 ft³ each unit (or part of unit) of 50 passengers.
fitted with disposal
mask)
Maintenance Procedure Required

-5 Protective Breathing
Equipment (PBE)
1) Cabin D 5 4 One required operative for each required Cabin Attendant
(as established in the O.M. General Basic) provided:
a) Inoperative Unit is tagged inoperative, removed from
the installed location, and placed out of sight so it
cannot be mistaken for a functional unit,
b) Location placarding of the affected unit is removed or
obscured, and
c) Required distribution is maintained
Maintenance Procedure Required
MINIMUM EQUIPMENT LIST ISSUE REV 01-36-1

36-PNEUMATIC
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

36-PNEUMATIC 5. Remarks and/or Exceptions

-1 Pneumatic Pressure C 1 0 May be inoperative provided either ground pneumatic unit or a

Indicating System means is available for determining pneumatic pressure for main
engine starting.
Crew Operating Procedure
- Operate one air conditioning system prior to engine start to
determine that the air conditioning pressure is at least 28 psi.
- Select air conditioning systems to OFF prior to start and be
alert for possible hot start due to slow engine rotation.

-2 Pneumatic Pilot C 2 1 May be inoperative provided associated Air Conditioning

(Reference) Pressure Supply System is operated in the HP BLD OFF mode.
Regulator
Crew Operating Procedure
- Select pneumatic crossfeed valves closed after engine start.
- Operate affected air conditioning supply in HP BLD OFF.

-3 Ice Protection [01] C 2 0 May be inoperative provided flight is not made in known or
Temperature Control forecast icing conditions.
Systems

[02] C 2 1 May be inoperative provided flight is not made in known or

forecast icing conditions.

NOTE: If icing is inadvertantly encountered, select only the fully

operative airfoil ice protection system on.

-4 Augmentation Valve C 2 1 May be inoperative provided:

a) Flight is not made in known or forecast icing conditions,
b) Associated pneumatic crossfeed valve is closed after engine
start, and
c) Air conditioning supply system on the affected side is
operated in HP BLD OFF mode.

NOTE: If icing is inadvertently encountered, select only the fully

operative airfoil ice protection system on.
Maintenance Procedure Required

-5 Eighth Stage Pneumatic C 2 1 May be inoperative provided:

Check Valves a) Valve is failed in closed position, allowing engine start,
b) Flight attitude is limited to FL 250 or below.
c) Associated pneumatic crossfeed valve is closed after
engine start.
d) Associated Air Conditioning Supply switch is OFF,
e) Associated Air Conditioning System is considered
inoperative, and
f) Flight is not made in known or forecast icing conditions.
Crew Operating Procedure
Do not select airfoil ice protection system ON
Refer to C.O.P. item 21-1
Maintenance Procedure Required
MINIMUM EQUIPMENT LIST ISSUE REV 01-36-2

36-PNEUMATIC
1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

36-PNEUMATIC 5. Remarks and/or Exceptions

-6 Ground Connection and [01] C 1 0 May be inoperative OPEN provided:

Pneumatic Check Valve a) Flight is not made in known or forecast icing conditions.
b) APU Air switch is left in OFF position and placarded DO
NOT USE,
c) APU Pneumatic Distribution System is considered
inoperative,
d) Ground Pneumatic Unit is available for engine starting,
e) Pneumatic Crossfeed Valves are closed after engine start,
and
f) Airfoil ice protection switches are OFF and placarded DO
NOT USE.
Crew Operating Procedure
After each engine start move the related pneu crossfeed
valve to close and leave them closed for the whole flight.
Maintenance Procedure Required

[02] C 1 0 May be inoperative CLOSED.

-7 Pneumatic Crossfeed C 2 1 May be inoperative provided:

Valves a) Flight is not made in known or forecast icing conditions,
b) Valve is secured in closed position after engine start, and
c) Valve quadrant is placarded LOCKED CLOSED.
Crew Operating Procedure
To start affected engine, have maintenance temporarily open
the affected crossfeed valve.
Maintenance Procedure Required

-8 Air Conditioning Supply [01] C 2 1 May be inoperative OPEN provided associated Air
570 °F Thermostats Conditioning Supply System is operated in HP BLD
OFF mode.
Crew Operating Procedure
- Operate affected Air Conditioning System in HP BLD OFF
mode.
- If icing conditions are encountered, select Engine and
Airfoil Anti-ice both ON simultaneously.
Maintenance Procedure Required

[02] C 2 0 May be inoperative provided associated thermostat is

CLOSED.
Crew Operating Procedure
If icing conditions are encountered, select Engine and Airfoil
Anti-ice both ON simultaneously.

[03] C 2 0 May be inoperative provided associated thermostat is OPEN and

DEACTIVATED.
Crew Operating Procedure
If icing conditions are encountered, select Engine and Airfoil
Anti-ice both ON simultaneously
Maintenance Procedure Required
MINIMUM EQUIPMENT LIST ISSUE REV 01-38-1

38-WATER AND WASTE

1 0 JAN 2012
MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

38-WATER AND WASTE 5. Remarks and/or Exceptions

-1 Potable Water Systems [01] C 1 0 Individual components may be inoperative provided:

a) Associated components are deactivated or isolated, and
b) Associated system components are verified not to have leaks.

NOTE: Any portion of the system which operates normally may be

used.
Maintenance Procedure Required

[02] C 1 0 May be inoperative provided:

a) System is drained, and
b) Procedures are established to ensure that system is not
serviced.
Maintenance Procedure Required

-2 Lavatory Waste Systems [01] C 3 0 Individual components may be inoperative provided:

a) Associated components are deactivated or isolated, and
b) Associated system components are verified not to have leaks.

NOTE: Any portion of the system which operates normally may

be used.
Maintenance Procedure Required
[02] C 3 0 Associated Lavatory System(s) may be inoperative provided:
a) Associated components are deactivated or isolated to
prevent leaks, and
b) Associated lavatory door(s) is secured closed and placarded
inoperative.

NOTE: These provisos are not intended to prohibit

inspections by crew members.
MINIMUM EQUIPMENT LIST
ISSUE REV 01-49-1

49-AUXILIARY POWER UNIT 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

49-AUXILIARY POWER UNIT 5. Remarks and/or Exceptions

-1 Auxiliary Power Unit C 1 0 May be inoperative provided:

(APU) a) APU is not required for Electrical Power or Pneumatic
Supply,
b) Air Inlet Doors (ram and non-ram) are CLOSED, and
c) APU CONTROL c/b is secured.

Refer to item 24-1-2.

Maintenance Procedure Required

1) APU Electrical Power Refer to item 24-1-2

2) APU Pneumatic C 1 0 Maintenance Procedure Required

Distribution system

-2 APU Annunciator Light C 1 0 May be inoperative provided APU is not used.

System (Includes Fire,
High Oil Temperature Refer to item 49-1.
and Low Oil Pressure)

Maintenance Procedure Required

-3 APU Fire Shutoff (Flight C 1 0 May be inoperative provided APU is not used.
Deck)

Refer to item 49-1

Maintenance Procedure Required

-4 APU Fire Shutoff C 1 0 May be inoperative provided APU operation is monitored in the
(Exterior) cockpit.

Crew Operating Procedure

Monitor APU operation on cockpit panel

-5 APU Exhaust Gas C 1 0 May be inoperative provided APU is considered inoperative and is
Temperature Indicating not used.
System
Refer to item 49-1

Maintenance Procedure Required

-6 APU Pneumatic Check [01] C 1 0 May be inoperative OPEN provided:

Valve a) Flight is not made in known or forecast icing conditions,
b) Pneumatic crossfeed valves are CLOSED after engine start,
and
c) Air foil ice protection system is OFF and is considered
inoperative.
[02] C 1 0 May be inoperative CLOSED provided APU Air Switch
remains OFF.

-7 APU Tachometer System [01] C 1 0 May be inoperative provided APU is not used.
MINIMUM EQUIPMENT LIST
ISSUE REV 01-49-2

49-AUXILIARY POWER UNIT 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

49-AUXILIARY POWER UNIT 5. Remarks and/or Exceptions

Refer to item 49-1

[02] C 1 0 May be inoperative provided:

a) APU is not started in flight, and
b) Frequency CPS meter is operative.
Refer to item 24-1-2.

-8 APU Bleed Load Control C 1 0 May be inoperative provided:

Valve a) Valve is secured in closed position, and
b) APU air switch is selected OFF.

Crew Operating procedure

External and/or crossbleed pneumatic start is required.

Maintenance Procedure Required

-9 APU Air Inlet Door [01] C 1 0 May be inoperative provided:

Actuator a) APU RAM door is secured CLOSED, and
b) NON-RAM doors are secured full OPEN if APU operation
is required or intended.
c) APU is considered inoperative.

Crew Operating Procedure

- During APU START closely monitor APU parameters.
- Inflight start must be accomplished by means of the
starter.
Maintenance Procedure Required
[02] C 1 0 May be inoperative provided:
a) APU RAM door is secured CLOSED,
b) NON-RAM doors are secured CLOSED, and
c) APU is not used.

Refer to item 49-1.

Maintenance Procedure Required

-10 APU STARTER ON D 1 0 Crew Operating Procedure

Annunciation System During APU START, place the Meter Selector to BATT VOLT
(Blue) and verify the starter engagement by observing the associated
voltage indication drop, and subsequent disengagement by
observing the voltage indication rise.

-11 NOT APPLICABLE

-12 APU HOURMETER C 1 0

Indicator

-13 NOT APPLICABLE C 1 0

MINIMUM EQUIPMENT LIST
ISSUE REV 01-52-1

52-DOORS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

52-DOORS 5. Remarks and/or Exceptions

-1 NOT APPLICABLE

-2 Forward Airstairs D 1 0 May be inoperative provided the stairwell door is visually

verified latched.
Crew Operating Procedure
If the stairway is removed:
- Decrease the Basic Operating Weight (BOW) by 110 kg.
- Increase Basic Operating Index (BOI) by 1 (one) unit.
Maintenance Procedure Required
1) Aft/Fwd Handrail D 2 0 May be inoperative provided the stairway is retracted manually.
Interlock Switch(s)
NOTE: The electrical extension is still operational.
Maintenance Procedure Required

-3 Ventral Airstairs D 1 0 May be inoperative provided:

a) Ventral Stairway is CLOSED and SECURED,
b) Associated entrance door operates normally, and
c) Ceiling/catwalk must be in the lowered position.
Maintenance Procedure Required

-4 Door Stop Screw C 6 0 One may be inoperative or missing on any passenger, service
or cargo door provided flight is conducted unpressurized.
Crew Operating Procedure

- Pull the CABIN PRESSURE CONTROL c/b'S (H2, J2, U22,

W22).
- Select manual cabin pressure control and move the cabin
pressure control wheel to full DECR (VALVE OPEN)
position.
- Use normal air conditioning procedure.

NOTE: For passengers com fort limit climb and descent rates to
500 fpm

-5 NOT APPLICABLE

-6 NOT APPLICABLE

-7 Door Warning Lights C 1 0 May be inoperative for all associated doors provided it is
System (Except verified by visual inspection that the associated door is
TAILCONE UNSAFE) CLOSED and LOCKED prior to each departure.

NOTE: If the aft cabin door is affected call maintenance.

Maintenance Procedure Required

1) Forward Stairway [01] C 1 0 May be inoperative provided the FORWARD STAIRWAY

Caution Indicator DOOR Annunciation System operates normally.
System (Fwd Cabin
Attendant's Panel)
[02] C 1 0 May be inoperative provided the Fwd Stairwell Door is
verified by visual inspection to be CLOSED and LOCKED
prior to each departure.
Crew Operating Procedure
Prior to each departure verify, by visual inspection, the Fwd
MINIMUM EQUIPMENT LIST
ISSUE REV 01-52-2

52-DOORS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

52-DOORS 5. Remarks and/or Exceptions

Stairwell Door is CLOSED and LOCKED.

2) Ventral Stairway C 1 0
Caution Indicator
System (Ventral
Stairway Interior
Control Panel)

-8 NOT APPLICABLE

-9 Enhanced Flight Deck C 1 0 May be inoperative provided:

Security Door Automatic a) Automatic locking system is deactivated,
Locking Systems b) Door dead bolt operates normally and is used to lock the
door,
c) Alternate procedures are established and used for locking
and unlocking the door using the dead bolt, and
Crew Operating Procedure
Operates door manually.
Refer to O.M./B Vol II, O.B. 81, Abnormal Procedure COCK-
PIT DOOR LOCK FAIL LIGHT ON and O.M./A GB for
Sterile Cockpit procedures.
Maintenance Procedure Required

1) Flight Deck Access C 1 0 May be inoperative provided:

Panel System a) Keypad is deactivated, and
(Keypad, Door b) Alternate procedures are established and used.
Chime)
Crew Operating Procedure

Make sure the Flight Deck Access System switch is in the

OFF position (guard extended) when the flight deck door is
used and before leaving the cockpit.
Maintenance Procedure Required

a) LEDs C 3 0 May be inoperative provided alternate procedures are established

and used.
Crew Operating Procedure
Use interphone system to contact cockpit crew.

b) Door Bell Mode C 1 0 May be inoperative provided alternate procedures are established
and used.
Crew Operating Procedure
Use interphone system to contact cockpit crew.

c) Switch Guard C 1 0 May be inoperative or missing provided the flight deck door
LOCK FAIL light operates normally.

2) Flight Deck Door C 1 0 May be inoperative provided automatic lock controls are
LOCK FAIL Light verified to operate normally

Maintenance Procedure Required

3) Flight Deck Door C 1 0 May be inoperative provided:

AUTO UNLK Light a) Automatic lock controls are verified to operate normally, and
b) Door aural tone operates normally.
MINIMUM EQUIPMENT LIST
ISSUE REV 01-52-3

52-DOORS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

52-DOORS 5. Remarks and/or Exceptions

Maintenance Procedure Required

4) Flight Deck Door C 1 0 May be inoperative provided:

Lock Control Selector a) Keypad is deactivated, and
b) Automatic lock is verified to operate normally, and
c) Alternate procedures are established and used.

Crew Operating Procedure

At least two people must be permanently present in the
cockpit throughout the entire flight.
Use the DOOR KNOB to (mechanically) open the door from the
cockpit.

Before the flight :

Cockpit crew will brief cabin crew that the UNLOCK function is
inoperative. Alternate routine and emergency procedures will be
established before departure in order to remind the cabin crew to
use the cabin interphone system to communicate with cockpit
crew to request access to the cockpit.

NOTE: Make sure the Flight Deck Access System switch is in

the OFF position (guard extended) when flight deck door is
closed and the flight deck not occupied.
Maintenance Procedure Required

Maintenance Procedure Required

-10 Flight Deck Door Panel A 4 0 May be inoperative provided:

Pressure Relief Latches a) Panels are in the latched position.
b) Automatic locking system operates normally.
c) Repairs are made within two flight days.

-11 Enhanced Flight Deck C 1 0 May be inoperative provided automatic lock controls operate
Security Door Dead Bolt normally.

-12 NOT APPLICABLE

3) Fuel Used Indicators C 2 0 May be inoperative provided Fuel Quantity Displays are
operative on all tanks containing usable fuel.

4) Fuel Flow/Used C 1 0 May be inoperative provided:

Selector Button (EFIS a) Fuel Used Indicators are not used, and
Airplanes) b) Fuel Flow Indicators are operative.

5) Fuel Used Reset C 1 0 May be inoperative provided Fuel Used Indicators are not used.
System
-2 Fuel Temperature C 2 0 May be inoperative provided:
Indicating Systems a) Ram Air Temperature System is operative, and
b) Associated Fuel Heat ON annunciator system is operative.

Crew Operating Procedure

If available use other Fuel Temp Indicator as reference for fuel
heater usage. Monitor illumination of FUEL HEAT ON Lt and
oil temperature rise to ascertain that fuel heating is taking
place. In flight, if any doubt exists about the fuel temperature, or
if both indicators are inoperative apply the following:
- If refilled fuel temp was above 5"C insert fuel heater at RAT
below -15"C.
- If refilled fuel temp was below 5"C insert fuel heater at RAT
below -5-C.
In these cases, repeat fuel heating every 30 min of flight. If very
low temperature conditions exist, apply fuel heat just prior the
final phase of flight.

NOTE: Prior to apply the fuel heat, check the oil temperature since
a rise will occur.

-3 Inlet Fuel Pressure Low [01] C 2 1 May be inoperative provided Center Tank Fuel Pump Low
Annunciator System Pressure Warning System is installed and operative.

[02] C 2 1 May be inoperative provided:

a) Both main tank boost pumps of the affected engine are
verified operative prior to each flight, and
b) Both center tank boost pumps are verified operative prior to
each flight if fuel is carried in center tank.
MINIMUM EQUIPMENT LIST
ISSUE REV 01-73-2

73-ENGINE FUEL AND CONTROL 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

73-ENGINE FUEL AND 5. Remarks and/or Exceptions

CONTROL

Crew Operating Procedure

Verify operation of affected main tank boost pump by
modifying the fuel system test during cockpit preparation as
follows:
- Select fuel crossfeed lever ON.
- Turn off both main tank pumps associated with the
inoperative INLET FUEL PRES LO Annunciation and both center
tank pumps.
- Operate affected wing tank pumps one at a time, nothing
that the operative INLET FUEL PRES LO Annunciation goes
off.

-4 Fuel Filter Pressure Drop B 2 1 May be inoperative provided:

Annunciator System a) It is verified that the malfunction is in the annunciator
system,
b) Associated engine fuel heat system is operating normally, and
c) Associated fuel temperature indicating system is operative.
Crew Operating Procedure
Turn the fuel heat on once every 30 minutes when fuel
temperature is 0-C or lower.
Maintenance Procedure Required

-5 FUEL HEAT ON C 2 0 May be inoperative provided associated Fuel Temperature

Annunciator Systems Indicating System is operative.

Crew Operating Procedure

Observe fuel temperature rise following FUEL HEAT switch
actuation.

-6 Fuel Heat Systems

1) Timer C 2 0 May be inoperative provided associated Fuel Heat Valve is

controllable from the cockpit.

Crew Operating Procedure

Monitor fuel temperature indicator. Hold fuel heat switch ON

for one minute when required.
Maintenance Procedure Required

2) Valve C 2 1 May be inoperative provided:

a) The failed valve is secured CLOSED,
b) Flight duration and altitude are such that fuel temperature
will not drop below 5°C, and
c) Associated fuel temperature indicating system is operative.
Crew Operating Procedure
- It is recommended that operations be restricted when
ambient temperature will drop below 5°C or lower during
takeoff and approach (the ram air temperature rises at takeoff
and approach speed is small).
- Plan flight so that fuel tank temperature will not drop
below 5°C
MINIMUM EQUIPMENT LIST
ISSUE REV 01-73-3

73-ENGINE FUEL AND CONTROL 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

73-ENGINE FUEL AND 5. Remarks and/or Exceptions

CONTROL

NOTE: Cockpit fuel temperature indicators reflect fuel tem-

perature at the fuel pump, between stages and down stream
of the heat exchanger. The fuel in the tanks may be at signifi-
cantly lower temperature.

- The chart on the following page may be used to select

minimum speeds and maximum altitude for planned flight
assuming the fuel temperature in the tanks is 5°C before
takeoff.
- In flight ram air temperature rise is used to maintain fuel
tank temperature at 5°C or above when the ambient
temperature is lower.
- Enter the chart at a desired cruise altitude, and move
vertically to the forecast SAT at that altitude. Then, move left
to find the minimum airspeed at that given altitude and
temperature condition required to maintain RAT at or
above + 5°C
- By plotting as series of temperature/altitude points on this
graph and connecting these points, a lower boundary will be
defined. Airspeed must be maintained at or above this limit.
- In flight, if fuel temperature decreases below 5°C decrease
altitude or increase speed as required to increase
temperature.
Maintenance Procedure Required

-7 Approach Idle Control C 2 0 May be inoperative in the Approach Idle Mode provided
Systems appropriate AFM performance penalty is applied.

Crew Operating Procedure

One or both failed in the Approach (Hi) Idle Mode:

1) After engine start, verify ART switch in AUTO, slats
extended, and ART READY light on.
2) When conditions permit and prior to taxi, advance both
engines to 64% N1 or greater.
3) Retard one engine and verify power increase on other engine
MINIMUM EQUIPMENT LIST
ISSUE REV 01-73-4

73-ENGINE FUEL AND CONTROL 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

73-ENGINE FUEL AND 5. Remarks and/or Exceptions

CONTROL

and ART light on.

4) Set engine power as required for taxi.

NOTE: The preceding steps reduce engine thrust at idle by

activating ARTS. This is required to reduce braking
requirements during taxi. Excessive taxi speeds may be
controlled with thrust reversers at idle, if required.

5) Use one of the following takeoff procedures:

OPTION I
a. Reset ART just prior to takeoff by placing ART switch to
OFF and back to AUTO. Verify ART light off and READY
light ON.
b. Set Normal Takeoff thrust.
c. Apply AFM performance penalty for Approach (Hi) Idle
during takeoff and landing.
OPTION II
a. Turn ART off just prior to takeoff.
b. Set Maximum Takeoff Thrust.
c. Apply AFM performance penalty for Approach (Hi) Idle
during takeoff and landing.
OPTION III
a. Do not reset ART for takeoff.
b. Set Maximum Takeoff Thrust.
c. Use AFM performance penalty for ART Idle during takeoff.
d. Place ART switch OFF after first power reduction.
e. Use AFM performance penalty for Approach (Hi) Idle for
landing.

NOTE: Regardless of takeoff procedure used, engine(s) will

remain in approach (Hi) Idle during landing roll. At high
altitude airports with cold ambient temperatures, idle EPR as
high as 1.2 may be encountered. In order to minimize the
possibility of FOD, consideration should be given to stowing
thrust reversers when a safe stop is assured.

6) When clear of runway after landing, ARTS must be activated

as described in Steps 1A through 1D to reduce engine idle
thrust.

Maintenance Procedure Required

-8 Auto Reserve Thrust C 1 0 Crew Operating Procedure

(ART) System
When ART is inoperative the ART switch must be in the OFF
position. Plan takeoff based on Maximum Thrust for Takeoff
EPR setting charts. Reduced thrust takeoffs using the assumed
temperature method (flex takeoff) may be used if desired.
MINIMUM EQUIPMENT LIST
ISSUE REV 01-74-1

74-IGNITION 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

74-IGNITION 5. Remarks and/or Exceptions

-1 NOT APPLICABLE

-2 Ignition System C 4 2 May be inoperative provided both inoperative systems are not on
the same engine

Crew Operating Procedure

- Use operative ignition system for start, takeoff and landing.

- Avoid exposure to icing conditions in excess of 10 minutes.
MINIMUM EQUIPMENT LIST
ISSUE REV 01-76-1

76-ENGINE CONTROLS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

76-ENGINE CONTROLS 5. Remarks and/or Exceptions

-1 Automatic Engine C 1 0 May be inoperative provided:

Synchronization (AES) a) Engine Sync Selector remains OFF, and
System b) Engine synchronizer c/b is pulled and collared.

Crew Operating Procedure Place

eng sync selector to OFF
Maintenance Procedure Required

1) N1 or N2 Mode C 1 0 May be inoperative provided affected mode is not used.

Crew Operating Procedure
Do not operate eng sync selector in affected mode(s).

2) EPR Mode C 1 0 May be inoperative provided:

a) Eng Sync Selector OFF position is not used in flight, and
b) ENG SYNC c/b is open for takeoff and landing.
Crew Operating Procedure
Open ENG SYNC c/b (T40 or T39 as applicable) for takeoff
and landing.

3) ENG SYNC ON C 1 0
Light
MINIMUM EQUIPMENT LIST
ISSUE REV 01-77-1

77-ENGINE INDICATING 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

77-ENGINE INDICATING 5. Remarks and/or Exceptions

-1 EPR Indicating System C 2 1 One may be inoperative provided:

a) N1, N2, and Fuel Flow Indications on both engines are
operative, and
b) Operations are conducted in accordance with the
limitations, procedures, and performance of AFM
Appendix 3D.

Crew Operating Procedure

- Determine appropriate performance corrections for takeoff
from MD-80 AFM Appendix 3D.

NOTE: Use of Reduced Takeoff Thrust (AFM Appendix 1) is

not permitted in combination with this condition.

- ART Switch must remain OFF.

- Autothrottles must be placarded inoperative and not used.
- Thrust cutback for noise abatement is not permitted.
- Procedures remain unchanged, except that N1 power settings
must be used in lieu of EPR. Set N1 on both engines in
accordance with the N1 power setting tables included in AFM
Appendix 3D.
- The Thrust Rating System must not be used for Go-Around or
Max. Continuous Thrust Setting, except if an engine failure
occurs and the operative engine has the operative EPR
Indication System.
- For Climb and Cruise Thrust setting, the CL and CR EPR
values may be set on the engine with the valid EPR display, and
the N1 values then matched between the two engines. However,
flight crew must ensure N1 never exceeds the N1 limits for
Max. Continuous Thrust on the N1 power setting charts of
Appendix 3D.

1) Digital EPR Readouts C 2 0

2) EPR Limit Chevrons C 2 0 May be inoperative provided the Manual Mode of the
Automatic Mode associated indicator is operative.

3) EPR Limit Chevrons C 2 0 May be inoperative provided the Automatic Mode of the
Manual Mode associated indicator is operative.

-2 EGT Indicator Deleted

-3 N1 RPM Indicating B 2 1 May be inoperative provided N2, Fuel Flow and EPR
System indicating systems are operative for associated engine.

NOTE: Automatic Reserve Thrust System (ART) may be

inoperative.

Crew Operating Procedure

Ask for a visual confirmation of N1 rotation during each start
procedure.

NOTE: Verification that EPR, N2 and Fuel Flow indications are

MINIMUM EQUIPMENT LIST
ISSUE REV 01-77-2

77-ENGINE INDICATING 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

77-ENGINE INDICATING 5. Remarks and/or Exceptions

in reasonable agreement with the same indications of the

engine with the operative NI, will provide good assurance of
proper engine operation.

-4 N2 RPM Indicating B 2 1 May be inoperative provided N1, Fuel Flow and EPR
System indicating systems are operative for associated engine.
Crew Operating Procedure
During engine start, monitor oil pressure and/or N1, RPM
increasing to be sure N1 shaft is rotating. Move fuel Shutoff lever
to ON at 5% N1, RPM and release Eng Start switch at 12 to
20% N1 RPM
-5 Engine Vibration D 2 0
Monitoring system
-6 Automatic Engine Refer to item 76-1
Synchronization System

-7 NOT APPLICABLE
MINIMUM EQUIPMENT LIST
ISSUE REV 01-78-1

78-EXHAUST 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

2. Rectification Time Interval 3. Number installed

1. Item 4. Number required for dispatch

78-EXHAUST 5. Remarks and/or Exceptions

-1 Thrust Reverser Systems C 2 1 Except for takeoff and landing on contaminated (SSW)
(Includes Accumulators runways (refer to Special Operations O.M./B Vol.2 Chap 08-30)
and Accumulator Low may be inoperative provided:
Annunciators) a) No external leakage exists in associated accumulator, and
b) Associated Reverser is DEACTIVATED and STOWED.
Crew Operating Procedure
- Verify Engine REVERSE UNLOCK light is not illuminated
unless dispatch relief has been provided by MMEL item 78-2 to
the affected Thrust Reverser .
- During walkaround, verify upper and lower Reverser doors
are faired at the leading edge.
- Powerback is not authorized.
- Antiskid system must be operative and utilized for landing.
- Use operative reverser normally within limits of directional
controllability.
- On WET runways reduce PTOW from runway table by 1 %.
-

Maintenance Procedure Required

Crew Operating Procedure

During engine start observe the opening and closing of the
valve by a drop and an increase of the pneu pressure.
After releasing the engine start switch the pneumatic
crossfeed lever should be closed.
Maintenance Procedure Required

-2 Starter Shutoff Valves C 2 0 May be inoperative CLOSED provided alternate starting

procedures are established and used.

Crew Operating Procedure

Apply Cond. Proc. MANUAL STARTER VALVE
OPERATION.
Maintenance Procedure Required
MINIMUM EQUIPMENT LIST
ISSUE REV. 02-00-1

TABLE OF CONTENTS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

SECTION 2

MAINTENANCE PROCEDURES

Item Subject Page

- PREAMBULE 02-01-1

21 AIR CONDITIONING

21-1 Air Conditioning System. 02-21-1

21-2 Air Conditioning Supply Temperature High Indicating System. 02-21-2

21-3 Air Conditioning Pressure Supply Indicating System. 02-21-3

21-4 Cabin/Cabin Supply Temperature Indicating System. 02-21-4

21-5 Air Conditioning Automatic Shut-off System. 02-21-5

21-7 Air Conditioning Flow Control Valves 02-21-6

21-8 Air Conditioning Pressure Regulator Valves 02-21-7

21-9 Ram Air Valve. 02-21-8

21-10 Compressor Discharge And Turbine Inlet Thermal Switches. 02-21-9

21-11 Air Conditioning System Shutdown Thermal Switches 02-21-10

21-12 Heat Exchanger Cooling Air Fans. 02-21-11

21-13 Air Conditioning Water Separators 02-21-12

21-14 Ground Air Conditioned Check Valve. 02-21-13

21-15 Heat Exchanger Cooling Air Diverter Valves. 02-21-14

21-19 Radio Rack Fan Off Annunciator System. 02-21-15

21-21-1 Radio Rack Cooling Fans - Primary Fan. 02-21-16

21-21-3 Radio Rack Cooling Fans - Primary / Standby Fans. 02-21-17

21-23 Radio Rack Fan And Standby Radio Rack Fan Check Valve(S). 02-21-18

21-24 Dual Cabin Pressure Automatic Control Systems. 02-21-19

MINIMUM EQUIPMENT LIST
ISSUE REV. 02-00-2

TABLE OF CONTENTS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Item Subject Page

21-25 Cabin Air Outflow Valve. 02-21-20

21-26 Cabin Pressure Relief Valve. 02-21-21

21-28 Cabin Altitude And Differential Pressure Indicator. 02-21-22

21-29 Cabin Rate Of Climb Indicator. 02-21-23

21-30 Cockpit/Cabin Auto Temperature Control System. 02-21-24

21-33 Cockpit/Cabin Compartment Temperature Control Valves 02-21-25

21-34 Water Separator Temperature Control Valves 02-21-26

21-36 Turbine Nozzle Shut-Off Valve. 02-21-27

21-37 Air Conditioning Pilot Pressure Regulators 02-21-28

21-39 Air Conditioning Pressure Regulator Ground Control Valve Solenoid. 02-21-29

21-45 Altitude Bias Control. 02-21-30

21-46 Left Heat Exchanger Air Exhaust Control System. 02-21-31

21-47 Cockpit Temperature Control 130 °F Limit System. 02-21-32

21-52 Fwd Cargo Compartment Heater System. 02-21-33

22 AUTOFLIGHT

22-15-6 Digital Flight Guidance System Functions - Yaw Damper 02-22-1

22-15-7 Digital Flight Guidance System Functions - Mach Trim 02-22-2

23 COMMUNICATIONS

23-20-1 Captain/First Officer Push-to-talk Switches - Control Wheel PTT Switches 02-23-1

23-20-2 Captain/First Officer Push-to-talk Switches - Audio Selector Panel PTT Switches 02-23-2

24 ELECTRICAL POWER

24-1-1 Engine Generator System (Includes CSD units) 02-24-1

24-2 External Power System 02-24-2

MINIMUM EQUIPMENT LIST
ISSUE REV. 02-00-3

TABLE OF CONTENTS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Item Subject Page

24-3 AC Cross-Tie Relay 02-24-3

24-18 Transformer/Rectifiers (TR) 02-24-4

24-40 Galley Power and Control System 02-24-5

25 EQUIPMENT / FURNISHINGS

25-2 Lower cargo compartment removable liners 02-25-1

25-3 Megaphones 02-25-2

25-6 Cabin attendant seat 02-25-3

25-10 Passenger seats 02-25-4

25-10-1 Passenger seats - recline mechanism 02-25-5

25-10-2 Passenger seats - Underseat baggage restraining bars 02-25-6

25-10-3 Passenger seats - Arm rests 02-25-7

25-11 Overhead storage bin latches/ cabin and galley storage compartment/closets 02-25-8

25-22-1 Galley waste receptacle access doors/covers 02-25-9

25-22-2 Lavatory waste receptacle access doors/covers 02-25-10

26 FIRE PROTECTION

26-1-1 Engine Fire Detection System (Detection Loops) 02-26-1

26-2-1 APU Fire Detection System (Detection Loops) 02-26-2

26-4 Engine and APU Fire Extinguisher Agent Low Light - Cockpit extinguisher Agent Low 02-26-3
Light / APU Ground Control Panel Agent Low Light
26-6 Lavatory Fire Extinguisher System 02-26-4

26-7 Lavatory Smoke Detection System 02-26-5

26-9 Portable Fire Extinguisher 02-26-6

26-10 Lower Cargo Compartment Smoke Detection/Fire Suppression System 02-26-7

26-10-1 Lower Cargo Compartment Smoke Detection/Fire Suppression -Detection 02-26-8

Loops/Channels
MINIMUM EQUIPMENT LIST
ISSUE REV. 02-00-4

TABLE OF CONTENTS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Item Subject Page

26-10-2 Lower Cargo Compartment Smoke Detection/Fire Suppression -Fault Lights on FDSS 02-26-9
Panel
26-10-3 Lower Cargo Compartment Smoke Detection/Fire Suppression -Smoke Detectors. 02-26-10

27 FLIGHT CONTROLS

27-7 Alternate Longitudinal Trim Motor Control Relays(Up Trim/Down Trim) 02-27-1

27-11 Alternate Longitudinal Trim Motor Up/Down Limit Switches 02-27-2

27-14 Elevator Power On Indication System 02-27-3

27-17 Flap Position Indicating System 02-27-4

27-19 Auto Ground Spoiler System 02-27-5,6

27-20 Inboard Ground Spoiler System 02-27-7

27-30 Auto Spoiler Do Not Use Light 02-27-8

27-36 Slat Land Light 02-27-9

27-37 Slat Takeoff Light 02-27-10

27-38 Post Stall Recovery System 02-27-11,12

28 FUEL

28-1 Main Tank Fuel AC boost Pump 02-28-1

28-2 Center Tank Fuel AC boost Pump 02-28-2

28-6 Fueling Station Control Panel. 02-28-3

28-8-2 Cockpit Fuel Qty Indicating System - L/R Main Tank Displays 02-28-4

28-8-3 Cockpit Fuel Qty Indicating System - Ctr. Tank Display 02-28-5

28-8-4 Cockpit Fuel Qty Indicating System - Auxiliary Tank(S) Display 02-28-6

28-8-5 Cockpit Fuel Qty Indicating System - Fuel System Test 02-28-7

28-12 Dripless Fuel Measuring Sticks (Dipstick) 02-28-8

- Main and Center Tank.
28-16 Fueling Station - Fuel Quantity Repeater Display. 02-28-9
MINIMUM EQUIPMENT LIST
ISSUE REV. 02-00-5

TABLE OF CONTENTS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Item Subject Page

28-17 Fueling Station - Fuel Cap. 02-28-10

28-20 Refueling Panel Fuel Quantity Test Switch 02-28-11

29 HYDRAULIC POWER

29-21 Hydraulic Quantity Indicating Systems 02-29-1

30 ICE AND RAIN PROTECTION

30-3 Engine Anti-Ice Valves. 02-30-1

30-5 Anti-Icing Heaters Ammeter System. 02-30-2

30-17 Ice Protection Shut-Off Valve (Wing and Tail). 02-30-3

30-18 Airfoil Anti-icing Pressure Regulator And Shutoff Valve. 02-30-4

30-20-1 Windshield Heat System - ANTI-ICE 02-30-5

30-20-2 Windshield Heat System - ANTI-FOG 02-30-6

30-28 Galley Drain Mast Heaters. 02-30-7

32 LANDING GEAR

32-6 Brake Temperature Sensor 02-32-1

32-8 Parking Brakes ON Annunciator System 02-32-2,3

32-10 Main Wheel Braking Systems 02-32-4

33 LIGHTS

33-4-3 Passenger Information System (NO SMOKING/ FASTEN SEAT BELT/RETURN TO 02-33-1
CABIN) signs
33-7 Landing Lights 02-33-2

33-9 Fixed Forward Position Light Bulbs (Wing Tips) 02-33-3

33-29 Overhead Annunciator Panel Light Positions 02-33-4

34 NAVIGATION

34-9 Ram Air Temperature (RAT)/Thrust Rating Systems 02-34-1

MINIMUM EQUIPMENT LIST
ISSUE REV. 02-00-6

TABLE OF CONTENTS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Item Subject Page

34-23-1 Radio Altimeter Systems 02-34-2

34-36 Head-Up Flight Display System -Optical Projector Unit (Left Canopy), Combiner Optical 02-34-3
Unit (Left Canopy), Mounting Tray (Left Canopy)

34-36-1 Head-Up Flight Display System -HFDS Caution Light (HCL) 02-34-4

34-43-1 Traffic Alert/Collision Avoidance System (TCAS) - TCAS System 02-34-5

35 OXYGEN

35-2 Passenger Oxygen System 02-35-1

35-2-1 Passenger Oxygen System - Automatic Door Opening Function. 02-35-2

35-2-3 Passenger Oxygen System -Passenger Oxygen Mask Access Door Latch. 02-35-3

35-2-4 Passenger Oxygen System -Lavatory Oxygen 02-35-4

35-4 First Aid Portable Oxygen Bottle (11ft³ Fitted with Disposable Mask - Cabin). 02-35-5

35-5 Protective Breathing Equipment - Smoke Hood. 02-35-6

36 PNEUMATICS

36-4 Augmentation Valve. 02-36-1

36-5 Eight Stage Pneumatic Check Valve. 02-36-2

36-6 Ground Connection and Pneumatic Check Valve. 02-36-3

36-7 Pneumatic Crossfeed Valve. 02-36-4

36-8 Air Conditioning Supply 570° F Thermostat. 02-36-5

38 WATER / WASTE

38-1-1 Potable Water Systems 02-38-1,2

38-1-2 Potable Water Systems 02-38-3

38-2 Lavatory Waste System 02-38-4

49 AUXILIARY POWER UNIT

49-1 Auxiliary Power Unit (APU). 02-49-1

MINIMUM EQUIPMENT LIST
ISSUE REV. 02-00-7

TABLE OF CONTENTS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Item Subject Page

49-1-2 Auxiliary Power Unit (APU) - APU Pneumatic Power. 02-49-2

49-2 APU Annunciator Light System. 02-49-3

49-3 APU Fire Control Switch. 02-49-4

49-5 APU EGT Indicating System. 02-49-5

49-8 APU Bleed Load Control Valve. 02-49-6

49-9 APU Air Inlet Door Actuator. 02-49-7

52 DOORS

52-2 Main Entrance Stairway. 02-52-1

52-2-1 Main Entrance Stairway - Aft/Fwd Handrail Interlock Switch (s). 02-52-2

52-3 Ventral Stairway. 02-52-3

52-7 Door Warning Lights System 02-52-4,5

52-9 Enhanced Flight Deck Security Door Automatic Locking Systems 02-52-6

52-9-1 Flight Deck Access Panel System 02-52-7

52-9-2 Flight Deck Door Lock Fail Light 02-52-8

52-9-3 Flight Deck Door Auto Unlk Light 02-52-9

52-9-4 Flight Deck Door Lock Control Selector 02-52-10

52-9-5 Flight Deck Door Panel Pressure Relief Latches 02-52-11

53 FUSELAGE

53-1 Tail cone missing/ Tail cone Unsafe Annunciator System 02-53-1,2

73 ENGINE FUEL AND CONTROL

73-4 Fuel Filter Pressure Drop Annunciator System 02-73-1

73-6-1 Fuel Heat System - Timer 02-73-2

73-6-2 Fuel Heat System - Valve 02-73-3

MINIMUM EQUIPMENT LIST
ISSUE REV. 02-00-8

TABLE OF CONTENTS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Item Subject Page

73-7 Approach Idle Control Systems 02-73-4

76 ENGINE CONTROLS

76-1 Automatic Engine Synchronization System 02-76-1

78 EXHAUST

78-1 Thrust Reverser System (includes accumulators and REVERSER ACCUM LOW 02-78-1,2,3
annunciator)
78-2 Engine Reverser Unlock Light Indicating System 02-78-4

78-3 Engine Reverser Thrust Light Indicating System 02-78-5

79 OIL

79-3 Oil Quantity Indicating System 02-79-1

79-5 Oil Strainer Clogging Annunciator System 02-79-2

80 STARTING

80-1 Start Valve Open Annunciator System. 02-80-1

80-2 Starter Shutoff Valve. 02-80-2

MAINTENANCE PROCEDURES
ISSUE REV. 02-01-1

PREAMBLE 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

1. General

The M.E.L. Maintenance Procedures section contains the maintenance procedures to be performed in case of faulty
system or component to allow normal a/c dispatch as requested in the MPM Section I. This section also requires placard
installation to inform the crew members and maintenance personnel about system/component condition and specific
entries in the “Aircraft Log Book” and in the "Hold Items List".

WARNING: WHERE THE M.E.L. DOES NOT CALL OUT THE SPECIFIC STATEMENT
"MAINTENANCE PROCEDURE REQUIRED" THE MAINTENANCE PERSONNEL
MUST INSTALL A PLACARD "INOP" CLOSE TO THE APPLICABLE CONTROLS OR
INDICATORS.

WARNING: "REFER TO ITEM ..." REPORTED IN THE REMARKS COLUMN OF SECTION I

MEAN, THAT THE ENTIRE ITEM WHICH WE ARE REFERING TO MUST BE
ACCOMPLISHED (REMARKS, CREW OPERATING PROCEDURES AND
MAINTENANCE PROCEDURES INCLUDED).

Following final repair, placards installed close to the controls/indicators, will be removed, an entry in the “Aircraft Log
Book” will be made and relevant item will be deleted from "Hold Items List".

2. Inoperative system/component identifying placards

Inoperative systems and/or components will be placarded with appropriate label as required by relevant maintenance
procedures. Locally manufactured placards are allowed.

3. Air company IRAN AIRTOUR Contacts

When required by specific maintenance procedure to contact OCC (Operations Control Center), refer to the following:

Address: 183 Motahari St., Dr.Mofatteh Cross Road, Tehran,

MEL – MAINTENANCE PROCEDURE N° 21-23

RADIO RACK FAN AND STANDBY RADIO RACK FAN CHECK VALVE

PLACARD
On overhead AIR COND PNL install a placard "RADIO RACK FAN CHECK VALVE INOP", or
"STANDBY RADIO RACK FAN CHECK VALVE INOP", or "RADIO RACK FAN CHECK
VALVE AND STANDBY RADIO RACK FAN CHECK VALVE INOP" Near RADIO RACK
Switch.
MAINTENANCE PROCEDURE

1. Radio Rack Fan Check Valve inoperative in the closed position:

A. Check that RADIO RACK FAN CAUTION circuit breakers are in.
B. In the avionics compartment, check that the RIGHT RADIO FAN OFF light on the
GEN CONT RACK is not on (Verifies standby fan operation).
C. Open RADIO RACK FAN circuit breakers (all three phases).
D. Verify that the RADIO FAN OFF light in the cockpit is illuminated.
E. Advise appropriate personnel of possible inadequate heating for animals and
temperature sensitive cargo in forward cargo compartment.
2. Standby Radio Rack Fan Check Valve inoperative in the closed position:
A. Open STANDBY RADIO RACK FAN circuit breakers (all three phases).
B. Verify that the RADIO FAN OFF light in the cockpit is not illuminated.
(Verifies radio Rack fan operation).
3. Both Radio Rack Fan Check Valve and Standby Radio Rack Fan Check Valve inoperative
in the closed position or one or both inoperative open:
A. Verify both air conditioning systems are available for pressurized flight.
B. Select RADIO RACK switch to VENTURI.
C. When both check valves are inoperative closed, open RADIO RACK FAN and
STANDBY RADIO RACK FAN circuit breakers (all three phases on both fans).
D. Limit ground operation of electronic equipment to 45 minutes.
E. Advice appropriate personnel of possible inadequate heating for animals and
temperature sensitive cargo in forward cargo compartment.
4. Make an applicable entry in Aircraft Log Book and in the Hold Item List.
MAINTENANCE PROCEDURES
ISSUE REV 02-21-19

21-AIR CONDITIONING 1 0 JAN 2012

MEL - MAINTENANCE PROCEDURE N° 26-10-3

LOWER CARGO COMPARTMENT SMOKE DETECTION/FIRE SUPPRESSION
- SMOKE DETECTORS

PLACARD
Put a placard in cockpit, on CFMU panel, quoting "SMOKE DETECTION/FIRE SUPPRESSION
SYSTEM - FAULT LIGHT INOP".
MAINTENANCE PROCEDURE
1. Ascertain that defective smoke detectors are not in the same zone (See Figure 1).
2. Make an entry in the Aircraft Log Book and put a note in the Hold Item List.

Fig. 1 - Smoke Detector Locations.

MAINTENANCE PROCEDURES
ISSUE REV 02-27-1

27-FLIGHT CONTROLS 1 0 JAN 2012

28-FUEL 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

MEL - MAINTENANCE PROCEDURE N° 32-8

PARKING BRAKES ON ANNUNCIATOR SYSTEM

38-WATER/WASTE 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

MEL - MAINTENANCE PROCEDURE N° 38-1-1

POTABLE WATER SYSTEMS

PLACARD
As appropriate
MAINTENANCE PROCEDURES
NOTE 1: The Potable Water System may still be used with failed components provided affected
components are isolated from the rest of the system. The following guidelines may be used along
with the appropriate MD80 AMM section 38-11-00 to isolate unusable portions of the system.
NOTE 2: Any system leakage must be cleaned up prior to subsequent dispatch.
1. Dispatch with undetermined supply line leak or blockage, or other failure which
would render entire system unusable:
A. Drain potable water tank per instructions of the appropriate AMM 38-11-00
B. Placard all lavatories and galleys appropriately so as to prevent their use.
2. Dispatch with supply line leak or blockage which affects water supply to entire
system (i.e. supply line leak, overboard drain valve failure, water line heater
failure, etc.)
A. Drain potable water tank per instructions of the appropriate AMM 38-11-00.
B. Placard lavatory/galley sink faucets and toilets appropriately so as to prevent
their use
NOTE: Sink drains may still be used provided drain mast heaters are operative. Bottled
water may be substituted for potable tank supply.
3. Dispatch with supply line leak or blockage which affects supply to one outlet
(toilet, sink, coffee maker, etc.):
A. Manually close the supply valve closest upstream of the affected area. Each
lavatory and galley has a supply valve which may be closed to isolate that area.
B. Placard affected lavatory or galley appropriately so as to prevent its use
MAINTENANCE PROCEDURES
ISSUE REV 02-38-2

38-WATER/WASTE 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

DOOR WARNING LIGHTS SYSTEM

PLACARD
Apply a placard "DOOR WARNING LIGHT INOPERATIVE" on the lower right side of the
annunciator panel.
MAINTENANCE PROCEDURES
1. Door Warning Lights inoperative:
A. Determine by visual inspection that affected door is closed and locked.
B. To determine that the passenger aft entrance stair door is locked in the closed
position, verify approximately 1/8 inch gap between cam followers and cams as
shown in the Figure on the following page.
NOTE: If the latch hooks have partially engaged the stair rollers, the gap between cam
followers and cams will be approximately one inch. If the latch hooks are closed, but the
stair door is not in the closed position, the gap between the cam followers and cams will
be zero.
2. Make an entry in Aircraft Log Book and in the Hold Item List that Door N°... has been
verified closed and locked prior to departure.
MAINTENANCE PROCEDURES
ISSUE REV 02-52-5
MD 80 MEL
PROCEDURES MANUAL 52-DOORS 1 0 April 2011

EMERGENCY WALKWAY
CEILING/CATWALK
Shown in lowered position

Stairway shown in
retracted position

CAM FOLLOWER

PLACARD
On Annunciator Panel Install a placard "TAILCONE ANNUNCIATOR SYS INOP".
MAINTENANCE PROCEDURE
1. Tail cone Missing Annunciator System inoperative-dispatch into day VMC:
A. No additional maintenance action required.
2. Dispatch with Tail cone Missing Annunciator System inoperative in other than day
VMC conditions:
A. Gain access to tail cone compartment.
B. Visually verify lockpins are seated and rotated within the lock.
C. Verify that locking cable is properly secured by pulling sharply on all four leads of
the cable at the clamp located just to the left of centerline and forward of the tail
cone mating flange (ref: AMM 53-50-03). All four leads must be taut with no
evidence of slack or tendency to uncouple. Refer to fig. 1 on following page.
3. Make an applicable entry in Aircraft Log Book and in the Hold Item List that Tailcone
Annunciation System is inoperative.
ISSUE REV 02-53-2
MAINTENANCE
PROCEDURES
1 0 April 2011
MD80 MEL PROCEDURES MANUAL 53-FUSELAGE

TAILCONE

Check tension
of cable leads

FUSELAGE
FRAME
LOCKPIN
LEVER

LOCKPIN

LOCKING
CABLE

LATCH CLOSED POSITION LATCH OPEN POSITION

MEL53-1

THRUST REVERSER SYSTEM (INCLUDES ACCUMULATORS AND
ACCUMMULATOR LOW ANNUNCIATORS)

PLACARD
Apply a placard "L or R T/R SYS INOP" near the thrust reverser lever on pedestal.
MAINTENANCE PROCEDURE
1. Visually verify Thrust Reverser Doors are fully closed. When properly closed, upper and
lower doors should be faired at the leading edge, and Engine Reverse Unlock Light will be
extinguished.
NOTE 1: If Reverser Doors are not fully closed, attempt to restow the affected Thrust
Reverser by cycling the affected Reverse Thrust Lever (with hydraulic power available)
from forward idle, to reverse, and back to forward idle.
NOTE 2: If Reverser Doors appear to be faired but Engine Reverse Unlock Light does not
extinguish, refer to MEL Item 78-2 for dispatch relief requirements for the Engine
REVERESER UNLOCK Light Indicating System (Standard Flight Deck).
2. Visually verify that the overcenter links on both sides of the affected Reverser are over
center
NOTE: The links, carriage, and other Thrust Reverser actuation hardware can be viewed in
the vicinity of the aft Stang Fairings and through access holes in the Beam assembly. Refer
to the figure on the following page.
3. Visually inspect all visible portions of the driver links, idler links, overcenter links, carriage
assembly, beam assembly, and guide rods, for integrity and security as follows:
A. Verify none of the above hardware is fractured or cracked.
B. Ensure all bolt and nut attachments, including cotter pins or other attachment
retention devices, between links, carriage assembly, and beam are present.
C. Verify the carriage assembly is attached to the guide rods and that the guide
rods are not bent.
NOTE: If damage to any of the above components is detected, or if affected reverser
fails to properly stow, refer to DC-9 / MD-80 Maintenance Manual for appropriate
repair instructions prior to further flight.
MAINTENANCE PROCEDURES
ISSUE REV 02-78-2

78-EXHAUST 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Fig. 1
MAINTENANCE PROCEDURES
ISSUE REV 02-78-3

78-EXHAUST 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

STARTER SHUTOFF VALVE

PLACARD
Placard the CONTROL START VALVE switch with "START VLV INOP".
MAINTENANCE PROCEDURE
1. Starter Valve failed in closed position:
A. For engine start, open the start valve using the manual hex head feature.
B. Coordinate with the flight crew to close the valve after engine start.
C. Verify that the starter valve external position indicator indicates the valve
is CLOSED and that no air discharge from the starter exhaust outlet after
starting.
2. Make an appropriate entry in Aircraft Log Book and in the Hold Item List.
MINIMUM EQUIPMENT LIST
ISSUE REV 03-00-1

TABLE OF CONTENTS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

SECTION 3

CONFIGURATIN DEVIATION LIST

Item Subject Page

- General Limitations 03-01-1

23 COMMUNICATIOS 03-23-1

23-60-01 Static Dischargers 03-23-1

30 ICE AND RAIN PROTECTION 03-30-1

30-80-01 Wing / Clear Ice Detection 03-30-1

32 LANDING GEAR 03-32-1 to 03-32-2

32-10-01 Main Landing Gear Spray Deflector 03-32-1

32-20-01 Nose Wheel Spray Deflector 03-32-1

32-20-02 Nose Landing Gear Debris Deflector 03-32-1

32-40-01 Brake Return Spring Capsules 03-32-1

33 LIGHTS 03-33-1

33-44-01 Logo Lights 03-33-1

53 FUSELAGE 03-53-1 to 03-53-4

53-30-01 External Power Receptacle Door 03-53-1

53-30-02 Waste Water Service Door 03-53-1

53-30-03 Fresh Water Service Doors 03-53-1

53-30-04 Conditioned Air Ground Connect Door 03-53-1

53-30-06 APU Ram Air Door 03-53-1

54 NACELLE/PYLONS 03-54-1

54-20-01 Pylon Trailing Edge 03-54-1

57 WINGS 03-57-1 to 03-57-6

57-30-01 Leading Edge Slat Track Cutout Doors 03-57-1

57-30-02 Small Lower Doors at Aileron Hinges 03-57-1

57-30-03 Slat Anti-icing Duct Cutout Upper Doors 03-57-1

MINIMUM EQUIPMENT LIST
ISSUE REV 03-00-2

TABLE OF CONTENTS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Item Subject Page

57-30-04 Lower Slat Track Cover Doors 03-57-1

57-30-05 Metal Slat Segment Seals 03-57-2

57-50-01 Flap Hinge Fairings 03-57-2

57-50-02 Bent Up Trailing Edge (BUTE) Aft Articulated Section 03-57-3

57-54-07 Spoiler Area Debris Deflectors 03-57-3

57-55-01 Leading Edge Slat Horn Seals 03-57-3

71 POWER PLANT 03-71-1

71-20-01 Pylon Vibration Absorbers 03-71-1

CONFIGURATION DEVIATION LIST
ISSUE REV 03-01-1

GENERAL LIMITATIONS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

This Configuration Deviation List contains additional certificate limitations for operations of the MD-80 airplane
without certain secondary airframe and engine parts as listed herein. The Limitations in the MD-80 Operations Manual
are applicable except as amended in this appendix.

The associated limitations must be listed on a placard affixed in the cockpit in clear view of the pilot in command and
other appropriate crew member(s).

Operation with those missing parts requiring a reduction of VMO/MMO is permitted only when the airplane has the air-
speed limit speed hand and the Mach airspeed warning system programmed for the altitude/speed schedule specified for
the applicable missing part.

The pilot in command will be notified of each operation with a missing part(s) by listing the missing part(s) in the
"Aircraft Log Book".

If an additional part is lost in flight the airplane may not depart the airport at which it landed following this event until it
again complies with the limitation of this appendix. This, of course, does not preclude the issuance of a ferry permit to
allow the airplane to be flown to a point where the necessary repairs or replacements can be made.
No more than one part for any one sub-system may be missing unless specifically designated combinations are
indicated.

Unless otherwise specified herein, parts from different sub-systems may be missing. The performance penalties are
cumulative unless specifically designated penalties for combination of missing parts are indicated.

Items identified as Group 1 items are those which, when missing, results in a small but negligible weight penalty. A
total of three items identified as Group 1 or other negligible items may be missing with no performance penalty. When
Group 1 or other negligible items in excess of three exist, the weight penalty of 40 kilograms per item is applied to
takeoff, enroute, and landing weights.

Takeoff performance decrements are applicable to takeoff gross weight which is limited by structural limit, field length,
first segment climb, second segment climb, final segment climb, or takeoff flight path.

Landing performance decrements are applicable to landing gross weights which are limited by structural limit, landing
field length, landing climb, or approach climb.

Enroute performance decrements are applicable to operations which are limited by one engine inoperative enroute climb
or driftdown requirements.

When a takeoff weight penalty is imposed, determine takeoff speeds at actual operating weight plus takeoff weight
penalty. Determine all other speeds at actual operating weight.

The parts within each system are identified by functional description and, when necessary, by subsystem part numbers.

All items that require a Maintenance Procedure, are identified with a "Maintenance Procedure" statement in the column
B "Remarks and/or Exceptions".

NOTE:

Weight reduction imposed throughout the Configuration Deviation List shall be applied to the Performance Limited
Weights shown in the following AOM Vol. 2 sections:

- Takeoff: Section 09-20 or "Runway Weight Limitations" table;

- Enroute: Section 09-30;
- Landing: Section 09-40 or "Runway Weight Limitations" table.
CONFIGURATION DEVIATION LIST
ISSUE REV 03-23-1

23-COMMUNICATIONS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Item A. Required for all flight conditions except as provided in column B.

B. Remarks and/or Exception

23-COMMUNICATIONS

23-60-01

Static Dischargers Zero required.

CONFIGURATION DEVIATION LIST
ISSUE REV 03-30-1

30-ICE AND RAIN PROTECTION 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Item A. Required for all flight conditions except as provided in column B.

B. Remarks and/or Exception

30-ICE AND RAIN PROTECTION

30-80-01

Wing / Clear Ice Detection

Tuft and Decal Assembly 8 Up to two (2) per side may be missing, provided:

1. At least one (1) on each side is located along the Aft Spar
line, and
2. The tuft assemblies are used for performing the physical
check to determine that the upper wing is free of ice by
observing that the tufts move freely.

Non-Skid Striped Triangular Symbol 2 Up to 50% of the total area per side may be missing but with at
least one (1) stripe extending to the rear spar.

CAUTION: Up to eight (8) of Tuft and Decal Assembly, or up to

100% of the Non-Skid Striped Triangular Symbol may be missing,
provided:

1. Takeoff may not be initiated unless the flight crew

verifies that a physical (hands-on) check is made of the
upper wing in the location of the missing decals and/or
tufts to assure that there is no ice on wing when icing
condition exist,
OR
2. The ambient temperature is more than 10°C.
CONFIGURATION DEVIATION LIST
ISSUE REV 03-32-1

32-LANDING GEAR 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Item A. Required for all flight conditions except as provided in column B.

B. Remarks and/or Exception

32-LANDING GEAR

32-10-01

Main Landing Gear Spray Deflector 2 The main landing gear spray deflectors may be removed provided
there are dry runways at the departure and destination airports.
32-12-03

Main Landing Gear Debris Deflector 4 Zero required

32-20-01

Nose Wheel Spray Deflector 1 The nose wheel spray deflector may be removed provided there are
dry runways at the departure and destination airports.
32-20-02

Nose Landing Gear Debris Deflector 2 Zero required

32-40-01

Brake Return Spring Capsules 32 No more than two (2) capsules may be missing from any brake
assembly and these not from adjacent locations.

Maintenance Procedure:

On the center pedestal install a placard quoting "BRAKE

RETURN SPRING CAPSULE(S) MISSING".

1. Pressurize both hydraulic systems so normal system and

return pressure can be applied to the brakes.
2. Perform a visual inspection while the brakes are being
applied and released to assure the brakes are releasing
properly.
3. Put an applicable entry in the Aircraft Log Book and in
the Hold Item List, specifying to replace the affected
brake assy at main base.
CONFIGURATION DEVIATION LIST
ISSUE REV 03-32-2

32-LANDING GEAR 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

DEBRIS
DEFLECTOR
CDL 32-20-02
CONFIGURATION DEVIATION LIST
ISSUE REV 03-33-1

33-LIGHTS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Item A. Required for all flight conditions except as provided in column B.

B. Remarks and/or Exception

33-LIGHTS

33-44-01

Logo Lights 2 Group 1

If light is to be removed, electrical connector should be stowed and

associated Circuit Breaker should be pulled and collared.

If the affected Logo Light is inoperative, refer to MEL Item 33-23

for appropriate dispatch restrictions.

NOTE: The items identified as Group 1 are those items which have
no assigned performance penalty. No more than a total of three (3)
parts of the items identified as Group 1 may be missing for takeoff.
CONFIGURATION DEVIATION LIST
ISSUE REV 03-53-1

53-FUSELAGE 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Item A. Required for all flight conditions except as provided in column B.

B. Remarks and/or Exception

53-FUSELAGE

53-30-01

External Power Receptacle Door 1 Group 1

53-30-02

Waste Water Service Door

Fwd 1 Group 1
Aft 1 Group 1
53-30-03

Fresh Water Service Door 1 Group 1

53-30-04

Conditioned Air Ground Connect Door 1 May be missing provided both air conditioning systems and both
check valves are operative. Performance limited weight must be
reduced by:
Takeoff 45 kg (100 lbs)
Enroute 45 kg (100 lbs)
Determine takeoff speeds at actual operating weight plus takeoff
weight penalty.
Determine all other speeds at actual operating weight.
53-30-06

APU Ram Air Door 1 Group 1

May be missing provided APU is not required to be operative for

dispatch. Performance limited weights must be reduced by:

Takeoff 45 kg (100 lbs)

Enroute 45 kg (100 lbs)

Determine takeoff speeds at actual operating weight plus takeoff

weight penalty.
Determine all other speeds at actual operating weight.

53-FUSELAGE 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

FWD WASTE WATER

SERVICE DOOR
CDL 53-30-02
CONFIGURATION DEVIATION LIST
ISSUE REV 03-53-3

53-FUSELAGE 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

AFT WASTE WATER

SERVICE DOOR
COL 53-30-02

FRESHWATER
SERVICE DOOR
COL 53-30-03
CONFIGURATION DEVIATION LIST
ISSUE REV 03-53-4

53-FUSELAGE 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL
CONFIGURATION DEVIATION LIST
ISSUE REV 03-54-1

54-NACELLE/PYLONS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Item A. Required for all flight conditions except as provided in column B.

B. Remarks and/or Exception

54-NACELLE/PYLONS

54-20-01

Pylon Trailing Edge 2 Group 1

57-WINGS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Item A. Required for all flight conditions except as provided in column B

B. Remarks and/or Exception

57-WINGS

57-30-01

Leading Edge Slat Track Cutout Doors 24 Up to five (5) per side may be missing.
Performance limited weights must be reduced by:
Takeoff 228 kg (500 lbs) / door
Landing 181 kg (400 lbs) / door
Determine takeoff speeds at actual operating weight plus takeoff
weight penalty.
Determine all other speeds at actual operating weight.

57-30-02

Small Lower Doors at Aileron Hinges 6 Group 1

57-30-03

Slat Anti-icing Duct Cutout Upper Doors 2 One door may be missing. Performance limited weights must be
reduced by:
Takeoff 952 kg (2100 lbs) / door
Landing 816 kg (1800 lbs) / door
Determine takeoff speeds at actual operating weight plus takeoff
weight penalty.
Determine all other speeds at actual operating weight.

57-30-04

Lower Slat Track Cover Doors 30 Up to five (5) per side may be missing.
Performance limited weights must be reduced by:
Takeoff 181 kg (400 lbs) / door
Enroute 181 kg (400 lbs) / door
Determine takeoff speeds at actual operating weight plus takeoff
weight penalty.
Determine all other speeds at actual operating weight.

57-WINGS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Item A. Required for all flight conditions except as provided in column B.

B. Remarks and/or Exception

57-WINGS

57-30-05

Metal Slat Segment Seals 10 One slat segment seal may be missing at one location on each
wing.
If the slat segment seal is missing from Slat N° 0 or Slat N° 1
(the two inner- most slats) the performance limited weights must
be reduced by:
Takeoff 54 kg (120 lbs) / seal
Enroute 54 kg (120 lbs) / seal
Landing (28° flaps) 1415 kg (3120 lbs)
Landing (40° flaps) 1900 kg (4190 lbs)

If the slat segment seal is missing from any of Slat N° 2, Slat N° 3

or Slat N° 4, the use of 40° flaps for landing is not permitted, and
the performance limited weights must be reduced by:
Takeoff 54 kg (120 lbs) / seal
Enroute 54 kg (120 lbs) / seal
Landing (28° flaps) 1415 kg (3120 lbs)

Landing speed must be based on the actual weight increased by

landing weight penalty.
NOTE: When identifying these slat segments, note that there are
no slat segment seals attached to the most outboard slat (Slat N°5).

57-50-01

Flap Hinge Fairings 12 One or both fairings may be missing from a total of one (1) hinge,
provided that if the forward fairing is missing, the aft fairing on the
same hinge be removed.
Performance limited weights must be reduced by:
Takeoff 1361 kg (3000 lbs)
Enroute 1406 kg (3100 lbs)
Landing 590 kg (1300 lbs)
Determine takeoff speeds at actual operating weight plus takeoff
weight penalty.
Determine all other speeds at actual operating weight.
CONFIGURATION DEVIATION LIST
ISSUE REV 03-57-3

57-WINGS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Item A. Required for all flight conditions except as provided in column B.

B. Remarks and/or Exception

57-WINGS

57-50-02

Bent Up Trailing Edge (BUTE) 10 One or more may be missing. Performance limited weights must be
Aft Articulated Section reduced by:
Takeoff 590 kg (1300 lbs) / BUTE
Enroute 635 kg (1400 lbs) / BUTE
Determine takeoff speeds at actual operating weight plus takeoff
weight penalty.
Determine all other speeds at actual operating weight.

CAUTION
Items 57-30-01,57-30-03,57-30-04,57-30-05, 57-50-01 and
57-50-02 may be missing simultaneously in any combination.
The associated performance penalties are additive for each
missing item when items are missing in combination.

57-54-07

Spoiler Area Debris Deflectors 2 Zero required.

57-55-01

Leading Edge Slat Horn Seals 2 One may be missing. Performance limited weights must be
reduced by:

Takeoff 318 kg (700 lbs)

Enroute 318 kg (700 lbs)
Landing 228 kg (500 lbs)
Determine takeoff speeds at actual operating weight plus takeoff
weight penalty.
Determine all other speeds at actual operating weight.
CONFIGURATION DEVIATION LIST
ISSUE REV 03-57-4

57-WINGS 1 0 April 2011

MD 80 MEL
PROCEDURES MANUAL

LEADING EDGE SLAT

TRACK CUTOUT DOORS
CDL 57-30-0 I

SLAT ANTI-ICING
CUTOUT DOORS
CDL 57-30-03

SMALL LOWER DOORS AT AILERON HINGES

(Three per Aileron)
(Shown with Doors Open)
COL 57-30-02
COL 57-30-02

LOWER SLAT TRACK

COVER DOOR
COL 57-30-04
CONFIGURATION DEVIATION LIST
ISSUE REV 03-57-5

57-WINGS 1 0 April 2011

MD 80 MEL
PROCEDURES MANUAL

METAL SLAT SEGMENT SEAL

CDL 57-30-05

FLAP HINGE FAIRINGS

COL 57-50-01
FORWARD AFT
FAIRING FAIRING

BENT UP TRAILING
EDGE (BUTE) INBOARD
AFT ARTICULATED
SECTION
CDL 57-50-02

COL 57-50-02
CONFIGURATION DEVIATION LIST
ISSUE REV 03-57-6

57-WINGS 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

SPOILER AREA
DEBRIS DEFLECTOR
CDL 57-54-07

CDL-57-54-07

LEADING EDGE
SLAT HORN SEAL
COL 57-55-01

COL 57-5>01
CONFIGURATION DEVIATION LIST
ISSUE REV 03-71-1

71-POWER PLANT 1 0 JAN 2012

MD 80 MEL PROCEDURES MANUAL

Item A. Required for all flight conditions except as provided in column B.

B. Remarks and/or Exception

71-POWER PLANT

71-20-01

Pylon Vibration Absorbers 4 Zero required.

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