Technical Manual Index – July 1, 2025

Following is the GEnx Component Maintenance Manual Section and Appendix A of the
Technical Manual Index.

APPENDIX A reflects the BAE General Practices Manual sections; previously issued as CMM GEK 99373.
Section copies are available by contacting aviation.fleetsupport@ge.com or from BAE at
cs-customer.service@baesystems.com
All Component Maintenance Manuals and GPM Sections are revised as required.

An asterisk (*) behind the Rev No. indicates the manual has been revised since the last issue
of the Technical Manual Index.
ACMM indicates an Abbreviated Component Maintenance Manual.
Questions or comments concerning on-line access or purchasing of publications should be directed to Fleet Support
toll free within the U.S. (877) 432-3272 or outside the U.S. (513) 552-3272 or aviation.fleetsupport@ge.com.

The following disclosure notice is to inform you of your obligations as a recipient of technical information under U.S. Export Laws:

THE INFORMATION CONTAINED IN THIS DOCUMENT IS GE PROPRIETARY INFORMATION AND IS DISCLOSED IN CONFIDENCE. IT IS THE PROPERTY OF GE AND SHALL NOT BE
USED, DISCLOSED TO OTHERS OR REPRODUCED WITHOUT THE EXPRESS WRITTEN CONSENT OF GE, INCLUDING, BUT WITHOUT LIMITATION, IT IS NOT TO BE USED IN THE
CREATION, MANUFACTURE, DEVELOPMENT, OR DERIVATION OF ANY REPAIRS, MODIFICATIONS, SPARE PARTS, DESIGN, OR CONFIGURATION CHANGES OR TO OBTAIN FAA OR
ANY OTHER GOVERNMENT OR REGULATORY APPROVAL TO DO SO. IF CONSENT IS GIVEN FOR REPRODUCTION IN WHOLE OR IN PART, THIS NOTICE AND THE NOTICE SET
FORTH ON EACH PAGE OF THIS DOCUMENT SHALL APPEAR IN ANY SUCH REPRODUCTION IN WHOLE OR IN PART. THE INFORMATION CONTAINED IN THIS DOCUMENT MAY
ALSO BE CONTROLLED BY U.S. EXPORT CONTROL LAWS. UNAUTHORIZED EXPORT OR RE-EXPORT IS PROHIBITED.

Page 1/1
 GEnx Technical Manual Index – July 1, 2025
Component Maintenance Manuals
ENGINE VENDOR CURRENT
ATA# GEK# MODEL NOMENCLATURE GE P/N VIN CAGE CODE REV DATE
115606 GEnx-1B/-2B Controls and Accessories Suppliers 03/09/21
Product Support Summary

24-11-03 114038 GEnx-1B VFSG Surface Cooler N/A ER6083G01 Unison 9 02/15/25
ER6084G01 Industries
ER6205G01 (96941)
ER6206G01
ER9465G01
ER9466G01

24-11-04 114039 GEnx-1B Oil-Engine Lube Assembly Cooler N/A ER6221G01 Unison 8 03/01/24
ER6230G01 Industries
ER6204G01 (96941)
ER9467G01

24-11-12 114003 GEnx-1B Variable Frequency Starter Generator, 2122M69P03 47160-1001 Woodward Inc. 1 04/17/14
Fuel/Oil Cooler 1329-1004 (66503)

24-11-14 114036 GEnx-2B IDG Air/Oil Cooler 2350M12P01 60900-000 Ametek 4 06/27/22
2350M12P02 60900W-000 Hughes Treitler
2350M12P03 61900-000 (12536)
2350M12P04 60900V-000

24-12-24 99430 GEnx-2B IDG Oil Pressure Relief Valve 9377M63P02 C2608-01 AeroControlex 4 06/15/12
(98939)

24-15-01 114013 GEnx-1B VFSG Power Feeders N/A 506002-3 Unison Basic 11/15/11
506003-3 Industries
(59501)

CMM SECTION Page 1/18

 GEnx Technical Manual Index – July 1, 2025
Component Maintenance Manuals
ENGINE VENDOR CURRENT
ATA# GEK# MODEL NOMENCLATURE GE P/N VIN CAGE CODE REV DATE
24-15-02 114099 GEnx-1B VFSG Power Feeders 513392-1 513392-1 Unison 7 10/15/24
2602M96P01 513392-2 Industries
513397-1 513397-1 (59501)
2602M97P01 513397-2

30-21-51 114040 GEnx-1B Nacelle Anti-Ice Valve N/A 3291779-4 Honeywell 6 11/20/24
N/A 3291779-6 Aerospace
(59364)

73-10-09 114049 GEnx-1B/-2B Fuel Nozzle Assembly 2258M67P03 6070124E03 Advanced 5 04/30/21
2258M68P03 6070125E03 Atomization
2258M67P04 6070124E04 Tecnologies
2258M68P04 6070125E04 (27515)

73-10-11 114077 GEnx-1B/-2B Fuel Nozzle Assembly 2448M48P02 6100005E02 Parker 8 10/13/22
2448M48P03 6100005E03 Hannifin
2448M48P05 6100005E05 (09523)
2448M48P06 6100005E06
2448M48P07 6100005E07
2448M48P08 6100005E08
2448M48P09 6100005E09
2942M56P01 6100005E10
2942M56P02 6100005E14

73-11-06 114007 GEnx-1B/-2B Fuel Pump 2122M22P03 846400-1 Woodward Inc. 3 01/21/25
1330-1018 (66503)
2122M22P04 84600-2
1330-1048

73-11-07 114008 GEnx-1B/-2B Main Fuel Filter Assembly 2122M23P02 1326-1043 Woodward Inc. 2 04/30/15
(66503)

CMM SECTION Page 2/18

 GEnx Technical Manual Index – July 1, 2025
Component Maintenance Manuals
ENGINE VENDOR CURRENT
ATA# GEK# MODEL NOMENCLATURE GE P/N VIN CAGE CODE REV DATE
73-11-08 114027 GEnx-2B Integrated Drive Generator, Fuel/Oil 2125M33P01 D45731-1512 Woodward Inc. Basic 06/11/12
Heat Exchanger 1329-1020 (66503)

73-21-05 114009 GEnx-1B/-2B Rating Plug 2125M31P20 504952-20 Unison 2 05/31/16

2125M31P44 504952-44 Industries
2125M31P56 504952-56 (59501)
2125M31P68 504952-68
2125M31P74 504952-74
2125M31P80 504952-80
2125M31P86 504952-86
2125M31P92 504952-92
2125M31P98 504952-98

73-21-08 114084 GEnx-1B/-2B Flow Splitting Valve-Accumulator 2510M03P01 8104-042 Woodward Inc. 1 03/12/19
(66503)

73-21-09 114010 GEnx-1B/-2B Flow Splitting Valve 2140M55P01 8104-018 Woodward Inc. Basic 01/13/12
(66503)

73-21-10 114011 GEnx-1B/-2B Fuel Metering Unit 2122M20P07 8062-1094 Woodward Inc. 1 08/16/19
2122M20P08 8062-1176 (66503)

73-21-11 114091 GEnx-1B/-2B Fuel Metering Unit 2459M17P01 8062-1106 Woodward Inc. 3 06/01/22
2459M17P02 8062-1177 (66503)
2459M17P03 8062-1197
2459M17P04 8062-1198

CMM SECTION Page 3/18

 GEnx Technical Manual Index – July 1, 2025
Component Maintenance Manuals
ENGINE VENDOR CURRENT
ATA# GEK# MODEL NOMENCLATURE GE P/N VIN CAGE CODE REV DATE
73-21-50 114001 GEnx-1B FADEC (Full Authority Digital Engine 2121M82P05 114E9586G7 BAE/FADEC 15 04/02/25
Control) 2121M82P06 114E9586G8 Int’l.
2447M85P01 114E9586G10 (63760,3E6E4)
2121M82P07 114E9586G11
2447M85P02 114E9586G12
2447M85P05 114E9586G13
2447M85P03 115E9084G1
2447M85P04 115E9084G2
2447M85P06 115E9084G3

73-21-50- 114001-IPC GEnx-1B FADEC - IPC 2121M82P05 114E9586G7 BAE/FADEC 14 02/25/54

IPC 2121M82P06 114E9586G8 Int’l.
2447M85P01 114E9586G10 (63760,3E6E4)
2121M82P07 114E9586G11
2447M85P02 114E9586G12
2447M85P05 114E9586G13
2447M85P03 115E9084G1
2447M85P04 115E9084G2
2447M85P06 115E9084G3

73-21-62 114037 GEnx-2B Bleed Bias Flow Sensor Venturi 2139M44P01 424015 Meggitt Basic 01/15/10
Sensing
Systems-
Whittaker
(79318)

CMM SECTION Page 4/18

 GEnx Technical Manual Index – July 1, 2025
Component Maintenance Manuals
ENGINE VENDOR CURRENT
ATA# GEK# MODEL NOMENCLATURE GE P/N VIN CAGE CODE REV DATE
73-21-63 114025 GEnx-1B Wiring Harnesses 2122M38P03 504554-4 Unison 16 10/15/24
2613M61P01 504554-6 Industries
2122M38P04 504557-7 (59501)
2777M92P01 504554-8
2122M39P03 504555-4
2122M39P04 504555-6
2759M63P01 504555-7
2122M40P03 504556-4
2122M40P04 504556-6
2122M40P05 504556-7
2122M40P06 504556-8
2759M64P03 504556-9
2122M41P03 504557-4
2122M41P04 504557-6
2613M64P01 504557-7
2122M41P05 504557-8
2122M41906 504557-9
2777M93P01 504557-10
2139M91P03 508366-3
2139M91P04 508366-6
2779M38P01 508366-7
2139M92P02 508367-2
2613M66P01 508367-4
2139M92P03 508367-5
2777M94P01 508367-6
2139M93P04 508368-5
2506M00P01 508368-6
2608M89P01 508368-7
2777M75P01 508368-9
2777M83P01 508368-10
2139M94P02 508370-2
2608M90P01 508370-4
2139M94P03 508370-5

CMM SECTION Page 5/18

 GEnx Technical Manual Index – July 1, 2025
Component Maintenance Manuals
ENGINE VENDOR CURRENT
ATA# GEK# MODEL NOMENCLATURE GE P/N VIN CAGE CODE REV DATE
2443M56P01 508372-6
2608M91P01 508372-8
2443M56P02 508372-9
2777M85P01 508372-10
2776M73P01 508372-11
2443M57P01 508373-5
2613M49P01 508373-7
2443M57P02 508373-8
2777M61P01 508373-10
2443M58P01 509311-4
2519M97P01 509311-6
2612M76P01 509311-7
2443M58P02 509311-10
2777M81P01 509311-11
2777M88P01 509311-12
2443M59P01 509312-4
2506M02P01 509312-5
2519M96P01 509312-6
2612M77P01 509312-7
2777M76P01 509312-9
2777M80P01 509312-10
2777M89P01 509312-11
2122M59P03 504576-4
2613M68P01 504576-6
2122M59P01 504576-7
2777M95P01 504576-8
2122M60P04 504577-4
2122M60P04 504577-7
2759M65P01 504577-8
2122M64P04 504579-5
2122M64P06 504579-8
2779M39P01 504579-9
2140M31P01 508369-1

CMM SECTION Page 6/18

 GEnx Technical Manual Index – July 1, 2025
Component Maintenance Manuals
ENGINE VENDOR CURRENT
ATA# GEK# MODEL NOMENCLATURE GE P/N VIN CAGE CODE REV DATE
2140M31P02 508369-3
2759M69P01 508369-4
2140M32P01 508371-1
2140M32P02 508371-3
2759M70P01 508371-4
2122M58P03 504575-4
2122M58P04 504575-6
2759M71P01 504575-7

73-21-64 114019 GEnx-1B EBU Wiring Harnesses N/A 504643-9 Unison 13 10/15/24
N/A 504643-13 Industries
N/A 504643-14 (59501)
N/A 504644-7
N/A 504644-10
N/A 504644-11
N/A 504645-5
N/A 504645-6
N/A 504645-8
N/A 504645-9
N/A 504646-5
N/A 504646-6
N/A 504646-8
N/A 504646-9
N/A 504647-7
N/A 504647-8
N/A 504647-9
N/A 504648-5
N/A 504648-8
N/A 504648-9
N/A 520203-1
N/A 520204-1

CMM SECTION Page 7/18

 GEnx Technical Manual Index – July 1, 2025
Component Maintenance Manuals
ENGINE VENDOR CURRENT
ATA# GEK# MODEL NOMENCLATURE GE P/N VIN CAGE CODE REV DATE
73-21-65 114017 GEnx-2B Wiring Harnesses 2140M76P01 509280-1 Unison 12 10/15/24
2140M76P02 509280-3 Industries
2140M77P02 509281-2 (59501)
2140M77P03 509281-4
2140M79P01 509282-1
2140M80P01 509283-1
2140M80P02 509283-2
2140M81P01 509284-1
2140M81P02 509284-2
2140M82P01 509285-1
2140M82P02 509285-3
2140M83P01 509286-1
2140M83P02 509286-2
2140M84P01 509287-1
2140M84P02 509287-2
2140M85P01 509288-1
2140M85P02 509288-5
2140M86P01 509289-1
2140M86P02 509289-5
2140M87P01 509290-1
2140M87P02 509290-6
2140M89P01 509292-1
2140M89P02 509292-2
2140M90P01 509293-1
2140M90P02 509293-2
2472M70P01 509290-2
2472M71P01 509291-4
2473M11P01 509288-2
2473M12P01 509289-2
2490M51P01 509288-3
2490M52P01 509289-3
2506M04P01 509282-2
2519M46P01 509291-5

CMM SECTION Page 8/18

 GEnx Technical Manual Index – July 1, 2025
Component Maintenance Manuals
ENGINE VENDOR CURRENT
ATA# GEK# MODEL NOMENCLATURE GE P/N VIN CAGE CODE REV DATE
2519M95P01 509291-6
2519M99P01 509290-4
2608M95P01 509282-3
2608M96P01 509285-2
2612M78P01 509290-5
2612M79P01 509291-7
2613M81P01 509280-2
2613M82P01 509281-3
2772M07P01 509288-8
2777M68P01 509290-7
2777M71P01 509288-7
2777M72P01 509289-7
2777M73P01 509288-6
2777M74P01 509289-6
2777M77P01 509282-5
2777M78P01 509291-9
2777M79P01 509291-10
2777M82P01 509290-8
2777M86P01 509282-6
2777M87P01 509285-4
2777M90P01 509290-9
2777M91P01 509291-11
2777M98P01 509280-4
2777M99P01 509281-5

73-21-92 114035 GEnx-1B/-2B Engine Configuration Box 2121M99P03 504245-4 Unison 4 08/15/20
2121M99P04 504245-5 Industries
(59501)

73-21-98 114093 GEnx-2B Engine Inlet Temperature Sensor 2473M86P02 0154MT Goodrich 2 01/20/20
(60678)

CMM SECTION Page 9/18

 GEnx Technical Manual Index – July 1, 2025
Component Maintenance Manuals
ENGINE VENDOR CURRENT
ATA# GEK# MODEL NOMENCLATURE GE P/N VIN CAGE CODE REV DATE
73-22-10 114020 GEnx-1B/-2B, Permanent Magnet Alternator 2122M28P01 504909-1 Unison 9 09/01/23
GE9X-105 2122M27P01 504910-1 Industries
(83311)

73-23-15 114021 GEnx-2B FADEC (Full Authority Digital Engine 2124M70P02 114E9849G1 BAE/FADEC 11 03/18/25
Control) 2124M70P03 114E9849G2 Int’l.
2124M70P04 114E9849G3 (63760,3E6E4)
2124M70P05 114E9849G4

73-23-15- 114021-IPC GEnx-2B FADEC – Illustrated Parts Catalog 2124M70P02 114E9849G1 BAE/FADEC 11 02/28/25
2124M70P03 114E9849G2
IPC Int’l.
2124M70P04 114E9849G3
2124M70P05 114E9849G4 (63760,3E6E4)

73-23-16 114022 GEnx-2B Shunt Power Supply Circuit Card N/A 115E1059G2 BAE/FADEC
Assembly - THIS CMM HAS BEEN 115E1059G3 Int’l.
CONVERTED TO A PROPRIETARY (63760,3E6E4)
REPAIR MANUAL. ANY INQUIRIES
ARE DIRECTED TO
cs-customer.service@baesystems.com

73-23-17 114023 GEnx-2B Front Panel Assembly - THIS CMM N/A 114E9846G3 BAE/FADEC
HAS BEEN CONVERTED TO A Int’l.
PROPRIETARY REPAIR MANUAL. (63760,3E6E4)
ANY INQUIRIES ARE DIRECTED TO
cs-customer.service@baesystems.com

73-23-18 114024 GEnx-2B Expanded Personality Board Circuit N/A 115E1073G1 BAE/FADEC
Card Assembly – THIS CMM HAS 115E1073G2 Int’l.
BEEN CONVERTED TO A 115E1073G3 (63760,3E6E4)
PROPRIETARY REPAIR MANUAL.
ANY INQUIRIES ARE DIRECTED TO
cs-customer.service@baesystems.com

CMM SECTION Page 10/18

 GEnx Technical Manual Index – July 1, 2025
Component Maintenance Manuals
ENGINE VENDOR CURRENT
ATA# GEK# MODEL NOMENCLATURE GE P/N VIN CAGE CODE REV DATE
73-23-51 114041 GEnx-1B/-2B Side Interface Assembly– THIS CMM N/A 114E9643G2 BAE/FADEC
HAS BEEN CONVERTED TO A 114E9643G3 Int’l.
PROPRIETARY REPAIR MANUAL. (63760,3E6E4)
ANY INQUIRIES ARE DIRECTED TO
cs-customer.service@baesystems.com

73-23-52 114042 GEnx-1B Shunt Power Supply Circuit Card N/A 114E9615G6 BAE/FADEC
Assembly– THIS CMM HAS BEEN 114E9615G7 Int’l.
CONVERTED TO A PROPRIETARY 114E9615G8 (63760,3E6E4)
REPAIR MANUAL. ANY INQUIRIES
ARE DIRECTED TO
cs-customer.service@baesystems.com

73-23-53 114043 GEnx-1B Front Panel Assembly – THIS CMM N/A 114E9625G7 BAE/FADEC
HAS BEEN CONVERTED TO A Int’l.
PROPRIETARY REPAIR MANUAL. (63760,3E6E4)
ANY INQUIRIES ARE DIRECTED TO
cs-customer.service@baesystems.com

73-23-54 114044 GEnx-1B/-2B General Personality Board 2 Circuit N/A 114E9666G4 BAE/FADEC
Card Assembly– THIS CMM HAS 114E9666G5 Int’l.
BEEN CONVERTED TO A 114E9666G7 (63760,3E6E4)
PROPRIETARY REPAIR MANUAL. 114E9666G8
ANY INQUIRIES ARE DIRECTED TO 114E9666G10
cs-customer.service@baesystems.com 114E9666G12

73-23-55 114045 GEnx-1B Expanded Personality Board Circuit N/A 114E9644G4 BAE/FADEC
Card Assembly– THIS CMM HAS 114E9644G7 Int’l.
BEEN CONVERTED TO A 114E9644G8 (63760,3E6E4)
PROPRIETARY REPAIR MANUAL.
ANY INQUIRIES ARE DIRECTED TO
cs-customer.service@baesystems.com

CMM SECTION Page 11/18

 GEnx Technical Manual Index – July 1, 2025
Component Maintenance Manuals
ENGINE VENDOR CURRENT
ATA# GEK# MODEL NOMENCLATURE GE P/N VIN CAGE CODE REV DATE
73-23-56 114046 GEnx-1B/-2B Main Channel Board Circuit Card N/A 392-207-901-0 BAE/FADEC
Assembly- THIS CMM HAS BEEN N/A 392-207-902-0 Int’l.
CONVERTED TO A PROPIETARY N/A 392-207-903-0 (63760,3E6E4)
REPAIR MANUAL. ANY INQUIRIES N/A 392-207-904-0
ARE DIRECTED TO N/A 392-207-905-0
cs-customer.service@baesystems.com

73-31-01 114047 GEnx-1B Exhaust Gas Thermocouple Harnesses 2121M95P01 504948-2 Unison 9 05/15/23
2121M95P02 504949-2 Industries
2121M96P01 504948-5 (59501)
2121M96P02 504949-5
2737M44P01 504948-6
2737M45P01 504949-6

73-31-02 114018 GEnx-2B Exhaust Gas Thermocouple Harnesses 2140M91P03 508693-3 Unison 8 05/01/23
2140M91P04 508693-5 Industries
2140M92P02 508694-2 (59501)
2140M92P03 508694-4
2737M46P01 508693-6
2737M47P01 508694-5

73-32-01 114026 GEnx-1B/-2B Fuel Filter Differential Pressure 2125M60P01 508486-1 Unison 7 08/15/23
Transducer 2638M05P01 N/A Industries
2621M76P01 516983-1 (59501)

74-14-01 114048 GEnx-1B Ignition Exciter 2124M94P04 504210-4 Unison 5 10/15/22

2121M94P05 504210-5 Industries
(59501)

74-14-02 114031 GEnx-2B Ignition Exciter 2139M52P01 508688-1 Unison 5 10/15/22

Industries
(59501)

CMM SECTION Page 12/18

 GEnx Technical Manual Index – July 1, 2025
Component Maintenance Manuals
ENGINE VENDOR CURRENT
ATA# GEK# MODEL NOMENCLATURE GE P/N VIN CAGE CODE REV DATE
74-21-23 105000 GEnx-1B/-2B Igniter Plug 1754M84P02 9044650-2 Unison 2 10/31/07
Industries
(59501)

74-21-26 114051 GEnx-1B Ignition Lead Assembly 2121M98P01 505951-1 Unison 3 04/15/22
Industries
(59501)

74-21-29 114055 GEnx-1B/-2B Igniter Plug 1754M84P04 512080-2 Unison 2 04/30/20

1754M84P05 511889-1 Industries
(59501)

74-21-51 114032 GEnx-2B Ignition Lead Assembly 2125M61P01 508687-1 Unison 1 05/31/14
Industries
(59501)

75-11-05 114088 GEnx-1B/-2B Anti-Ice Valve Assembly 2045M87P05 63292047-1 Honeywell 5 11/30/22
2045M87P07 63292047-2 Aerospace
(59364)

75-22-05 114052 GEnx-1B/-2B Sump Eductor Valve 2121M87P01 423615 Meggitt 1 08/01/17
2121M87P02 423615-1 Controls
(79318)

75-32-05 114053 GEnx-1B/-2B Variable Stator Vane Actuator Assembly 2122M17P04 8100-0026 Woodward Inc. Basic 12/03/10
(66503)

75-32-06 114054 GEnx-1B/-2B Variable Bleed Valve Actuator 2121M84P03 8100-0025 Woodward Inc. Basic 12/03/10
Assembly (66503)

75-33-21 114056 GEnx-1B 3.50 Inch Diameter Transient Bleed 2122M15P01 3291881-1 Honeywell 3 04/25/24
Valve Assembly 2122M15P02 3291881-2 Aerospace
(59364)

CMM SECTION Page 13/18

 GEnx Technical Manual Index – July 1, 2025
Component Maintenance Manuals
ENGINE VENDOR CURRENT
ATA# GEK# MODEL NOMENCLATURE GE P/N VIN CAGE CODE REV DATE
75-33-22 134525 GEnx-1B Transient Bleed Valve (TBV) Air Valve 2790M27P02 8910-339 Woodward Inc. Basic 03/04/20
Assembly (66503)

75-33-23 114057 GEnx-1B/-2B Active Clearance Control Valve 2121M92P01 3291883-1 Honeywell 2 04/23/21
Assembly Aerospace
(59364)

75-33-24 134511 GEnx-1B/-2B ACC Air Valve Assembly 2790M24P02 8910-336 Woodward Inc. Basic 03/10/20
(66503)

75-33-25 114058 GEnx-1B/-2B 6.0 Inch Diameter Core Compartment 2121M88P02 3281887-2 Honeywell 2 03/17/21
Cooling Valve Assembly Aerospace
(59364)

75-33-26 134512 GEnx-1B/-2B CCC Air Valve Assembly 2790M25P01 8910-298 Woodward Inc. 1 08/10/20
(66503)

75-33-27 114059 GEnx-2B 3.50 Inch Diameter Start Bleed Valve 2125M78P01 3291941-1 Honeywell 1 12/07/22
Assembly Aerospace
(59364)

75-33-28 134526 GEnx-2B Start Bleed Valve (SBV) Air Valve 2790M26P02 8910-343 Woodward Inc. Basic 03/12/20
Assemblly (66503)

77-11-13 114060 GEnx-1B/-2B T25 Temperature Sensor 2125M65P01 509351-1 Unison 2 03/31/16
Industries
(59501)

77-11-14 114061 GEnx-1B/-2B Oil/Fuel Resistance Temperature 2121M86P01 504243-1 Unison 2 04/30/20
Detector Probe Industries
(83311)

CMM SECTION Page 14/18

 GEnx Technical Manual Index – July 1, 2025
Component Maintenance Manuals
ENGINE VENDOR CURRENT
ATA# GEK# MODEL NOMENCLATURE GE P/N VIN CAGE CODE REV DATE
77-12-10 114062 GEnx-1B T3 Temperature Sensor 2122M10P01 504293-1 Unison 4 02/28/19
2122M19P02 504293-2 Industries
(83311)

77-12-11 114065 GEnx-1B/-2B N1 Speed Sensor 2122M11P02 504257-2 Unison 3 09/01/21

2122m11P03 504257-3 Industries
(59501)

77-12-12 114066 GEnx-1B/-2B N2 Speed Sensor 2122M29P01 504258-1 Unison 4 12/15/23

Industries
(59501)

77-12-16 114034 GEnx-2B T3 Temperature Sensor 2125M44P01 508672-1 Unison 3 08/31/17

2125M44P02 508672-2 Industries
(83311)

77-13-02 114068 GEnx-1B No. 1 Bearing Accelerometer 2122M12P03 504549-3 Unison 3 09/30/19
2122M34P02 504551-2 Industries
(59501)

77-13-03 114069 GEnx-1B/-2B Fuel Flow Transmitter 2122M21P04 504542-4 Unison 7 11/15/21
Industries
(59501)

77-13-04 114072 GEnx-2B No. 1 Bearing Accelerometer 2125M46P01 508297-1 Unison 2 11/30/19
Industries
(59501)

77-21-25 114070 GEnx-1B/-2B T12 Temperature Sensor 2381M33P01 509350-1 Unison 2 05/31/15
Industries
(59501)

CMM SECTION Page 15/18

 GEnx Technical Manual Index – July 1, 2025
Component Maintenance Manuals
ENGINE VENDOR CURRENT
ATA# GEK# MODEL NOMENCLATURE GE P/N VIN CAGE CODE REV DATE
77-21-27 114071 GEnx-1B/-2B Core Compartment Temperature 2122M33P01 504259-1 Unison 2 10/31/20
Sensor Industries
(83311)

77-31-96 109969 GEnx-1B/-2B Engine Vibration Accelerometer 1962M22P01 144-706-000- Vibro-Meter 2 11/07/14
(CA706) 501 S.A.
(VS3960)

77-34-01 114073 GEnx-1B/-2B Exhaust Gas Temperature Probe 2122M19P04 508390-1 Unison 5 01/15/25
2122M19P05 508390-2 Industries
ACMM
2122M19P06 508390-3 (83311)

77-34-03 114075 GEnx-1B/-2B Oil Pressure Differential Pressure 2122M85P03 504547-3 Unison 7 08/15/23
ACMM Sensor Industries
(59501)

77-34-04 114076 GEnx-1B/-2B Oil Filter Delta-P Sensor 2122M25P01 504546-1 Unison 5 08/15/23
ACMM Industries
(59501)

77-34-05 114028 GEnx-1B/-2B Fuel Manifold Pressure Sensor 2140M58P01 509033-1 Unison 5 08/15/23
ACMM Industries
(59501)

77-34-06 114050 GEnx-1B/-2B Pressure Sensor – Air 2435M01P01 APT-440-1000- Kulite 2 12/11//17
100A Semiconductor
2482M06P01 APT-440A-1000- Products
100A (V34345)

77-35-03 114063 GEnx-1B Engine Monitoring Unit (EMU-127) 2122M32P08 271-127-031- Meggitt 3 11/05/20
071 Sensing
Systems
(S3960)

CMM SECTION Page 16/18

 GEnx Technical Manual Index – July 1, 2025
Component Maintenance Manuals
ENGINE VENDOR CURRENT
ATA# GEK# MODEL NOMENCLATURE GE P/N VIN CAGE CODE REV DATE
77-35-04 114078 GEnx-2B Engine Monitoring Unit (EMU-130) 2401M43P04 271-130-003-021 Meggitt 3 02/22/21
Sensing
Systems
(S3960)

79-11-10 114079 GEnx-1B Oil Tank N/A 2315M10G03 Avio S.p.A. 4 03/24/23
N/A 2315M10G04 (A3460)

79-11-10 114083 GEnx-2B Oil Tank N/A 2349M40G03 Avio S.p.A. 4 03/24/23
N/A 2349M40G04 (A3460)

79-11-11 114095 GEnx-1B/-2B Oil Filler Cap Assembly N/A 2349M62 Avio S.p.A. 1 09/16/22
(A3460)

79-11-11 134739 GEnx-1B/-2B Filler Cap Assembly N/A 2349M90G01 Avio S.p.A. Basic 03/24/23
(A3460)

79-11-14 114014 GEnx-1B/-2B Main Fuel Oil Heater and Servo Fuel 2122M26P05 8103-013 Woodward Inc. 1 05/02/14
Heater (47161-1015) (66503)

79-11-16 114094 GEnx-1B/-2B Main Fuel Oil Heater and Servo Fuel 2550M15P01 8103-017 Woodward Inc. 1 05/02/17
Heater (47161-1016) (66503)
2550M15P02 8103-022
(47161-1022)
2550M15P03 8103-023
(47161-1023)
2550M15P04 8103-024
(47161-1024)

79-21-10 114080 GEnx-1B/-2B Lube & Scavenge Pump N/A LR47760D1 Avio S.p.A. 6 03/25/22
LR47760E1 (A3460)

79-21-20 114082 GEnx-1B/-2B DMS Separator N/A 1F8962 Avio S.p.A. 1 11/14/17
(A3460)

CMM SECTION Page 17/18

 GEnx Technical Manual Index – July 1, 2025
Component Maintenance Manuals
ENGINE VENDOR CURRENT
ATA# GEK# MODEL NOMENCLATURE GE P/N VIN CAGE CODE REV DATE
79-21-30 114085 GEnx-1B/-2B DMS Sensor N/A 1G8842 Avio S.p.A. 1 06/27/17
(A3460)

79-21-40 114086 GEnx-1B/-2B DMS Conditioner N/A 1H8843 Avio S.p.A. 1 11/15/19
(A3460)

79-31-41 114087 GEnx-1B/-2B Oil Level and Temperature Sensor N/A 8TJ146CGB1 Avio S.p.A. 4 07/26/21
8TJ146CGC1 (A3460)
8TJ146CGD1

80-13-04 114089 GEnx-2B Air Turbine Engine Starter Assembly N/A 3506059-1 Honeywell 3 01/14/22
3506059-2 Aerospace
(59364)

80-13-05 114090 GEnx-2B Starter Air Valve Assembly N/A 3215967-1 Honeywell 3 05/11/23
Aerospace
(59364)

CMM SECTION Page 18/18

 APPENDIX A
GEnx Technical Manual Index – July 1, 2025
General Practices Manual
GENERAL PRACTICES MANUAL SECTIONS ARE REVISED INDIVIDUALLY. THE SECTIONS ARE AVAILABLE FOR FIRST TIER CUSTOMERS UPON REQUEST.
PLEASE SUBMIT YOUR REQUEST TO aviation.fleetsupport@ge.com OR FROM BAE cs-customer.service@baesystems.com.

Engine Current Current

GEK Model Nomenclature Rev No. Rev Date
99373-

(SECTION) GEnx-1B/-2B GENERAL PRACTICES MANUAL SECTIONS

73-10-00 GENX-1B/-2B General Information 1 09/09/21

73-10-16 GENX-1B/-2B Safety Instructions 6 03/24/11

73-10-19 GENX-1B/-2B Equivalent Tools, Materials, and Procedures 6 09/15/11

73-20-00 GENX-1B/-2B Soldering 6 11/17/11

73-20-02 GENX-1B/-2B Soldering and Desoldering Equipment Calibration 7 04/13/17

73-20-16 GENX-1B/-2B Circuit Card Assembly Soldering 10 08/28/24

73-20-17 GENX-1B/-2B Microcircuit Soldering 8 08/27/24

73-20-19 GENX-1B/-2B Terminal Connection 6 11/17/11

73-20-20 GENX-1B/-2B Hand Soldering 8 08/21/24

73-20-21 GENX-1B/-2B Manual Tinning Process 8 08/20/24

APPENDIX A Page 1/6

 APPENDIX A
GEnx Technical Manual Index – July 1, 2025
General Practices Manual
GENERAL PRACTICES MANUAL SECTIONS ARE REVISED INDIVIDUALLY. THE SECTIONS ARE AVAILABLE FOR FIRST TIER CUSTOMERS UPON REQUEST.
PLEASE SUBMIT YOUR REQUEST TO aviation.fleetsupport@ge.com OR FROM BAE cs-customer.service@baesystems.com.

Engine Current Current

GEK Model Nomenclature Rev No. Rev Date
99373-

73-20-22 GENX-1B/-2B Surface Mounted Component Soldering 11 08/20/24

Bottom Terminated Component Soldering

73-20-23 This Section has been converted to Proprietary
GENX-1B/-2B 13 06/06/24
Practices and is no longer available. For information
contact BAE Customer Service.
73-30-00 GENX-1B/-2B General Repair 6 11/17/11

73-30-16 GENX-1B/-2B Identification Marking 9 06/03/20

73-30-17 GENX-1B/-2B Safety Wiring 6 11/17/11

73-30-19 GENX-1B/-2B Threaded Insert Repair 7 07/01/15

73-30-20 GENX-1B/-2B Out-of-Round Connector Repair 6 11/17/11

73-30-21 GENX-1B/-2B Potting of Connectors 6 11/17/11

73-30-24 GENX-1B/-2B Component Substitution 6 11/17/11

APPENDIX A Page 2/6

 APPENDIX A
GEnx Technical Manual Index – July 1, 2025
General Practices Manual
GENERAL PRACTICES MANUAL SECTIONS ARE REVISED INDIVIDUALLY. THE SECTIONS ARE AVAILABLE FOR FIRST TIER CUSTOMERS UPON REQUEST.
PLEASE SUBMIT YOUR REQUEST TO aviation.fleetsupport@ge.com OR FROM BAE cs-customer.service@baesystems.com.

Engine Current Current

GEK Model Nomenclature Rev No. Rev Date
99373-

73-30-25 GENX-1B/-2B Chemical Thread-Locking 6 11/17/11

73-30-26 GENX-1B/-2B Steam Cleaning Procedure 1 08/12/21

73-40-00 GENX-1B/-2B Circuit Card Assembly Repair 6 11/17/11

73-40-16 GENX-1B/-2B Part Removal 9 09/01/21

73-40-17 GENX-1B/-2B Part Installation 8 08/20/24

73-40-18 GENX-1B/-2B Part Replacement 10 10/01/24

73-40-19 GENX-1B/-2B General Laminate, Conductor Repair 10 09/11/18

73-40-20 GENX-1B/-2B Modification of Internal Circuits 6 11/17/11

73-40-21 GENX-1B/-2B Solder Mask Repair 7 10/08/18

73-40-22 GENX-1B/-2B ESD Label Replacement 6 11/17/11

73-40-23 GENX-1B/-2B Gold Pin Replacement 6 11/17/11

APPENDIX A Page 3/6

 APPENDIX A
GEnx Technical Manual Index – July 1, 2025
General Practices Manual
GENERAL PRACTICES MANUAL SECTIONS ARE REVISED INDIVIDUALLY. THE SECTIONS ARE AVAILABLE FOR FIRST TIER CUSTOMERS UPON REQUEST.
PLEASE SUBMIT YOUR REQUEST TO aviation.fleetsupport@ge.com OR FROM BAE cs-customer.service@baesystems.com.

Engine Current Current

GEK Model Nomenclature Rev No. Rev Date
99373-

73-40-24 GENX-1B/-2B Terminal Strip Repair 7 08/26/24

73-45-00 GENX-1B/-2B Bonding and Encapsulating 6 11/17/11

73-45-16 GENX-1B/-2B Epoxy Bonding 7 06/27/13

73-45-17 GENX-1B/-2B Epoxy Bonding (High Temperature) 6 11/17/11

73-45-18 GENX-1B/-2B RTV Application 6 11/17/11

73-50-00 GENX-1B/-2B Protective Coatings 6 11/17/11

73-50-16 GENX-1B/-2B Removal of Conformal Coatings 7 09/13/21

73-50-17 GENX-1B/-2B Recoating Conformal Coated Repaired Areas 9 09/01/16

73-50-18 GENX-1B/-2B Aluminum Surface Touch-up with Chromate Solution 6 11/17/11

73-50-19 GENX-1B/-2B Painted Surface Repair 8 11/14/23

73-60-00 GENX-1B/-2B Electrostatic Discharge Control 6 11/17/11

APPENDIX A Page 4/6

 APPENDIX A
GEnx Technical Manual Index – July 1, 2025
General Practices Manual
GENERAL PRACTICES MANUAL SECTIONS ARE REVISED INDIVIDUALLY. THE SECTIONS ARE AVAILABLE FOR FIRST TIER CUSTOMERS UPON REQUEST.
PLEASE SUBMIT YOUR REQUEST TO aviation.fleetsupport@ge.com OR FROM BAE cs-customer.service@baesystems.com.

Engine Current Current

GEK Model Nomenclature Rev No. Rev Date
99373-

73-60-02 GENX-1B/-2B ESD Equipment Calibration 6 11/17/11

73-60-16 GENX-1B/-2B Handling ESDS Devices 6 11/17/11

73-61-00 GENX-1B/-2B Moisture Sensitive Devices 6 11/17/11

73-61-16 GENX-1B/-2B Moisture Sensitive Device Preparation 7 04/19/22

73-70-00 GENX-1B/-2B Flexible Circuit Card Assembly Repair 6 11/17/11

73-70-16 GENX-1B/-2B Connector Removal and Replacement 7 08/26/24

73-80-00 GENX-1B/-2B Magnetic Media and Software 6 11/17/11

73-80-16 GENX-1B/-2B Media Storage Precautions 6 11/17/11

73-80-17 GENX-1B/-2B Record Keeping and Configuration Control 6 11/17/11

73-90-00 GENX-1B/-2B Electrical Wiring 6 11/17/11

73-90-16 GENX-1B/-2B Wiring and Cable Lacing 6 11/17/11

APPENDIX A Page 5/6

 APPENDIX A
GEnx Technical Manual Index – July 1, 2025
General Practices Manual
GENERAL PRACTICES MANUAL SECTIONS ARE REVISED INDIVIDUALLY. THE SECTIONS ARE AVAILABLE FOR FIRST TIER CUSTOMERS UPON REQUEST.
PLEASE SUBMIT YOUR REQUEST TO aviation.fleetsupport@ge.com OR FROM BAE cs-customer.service@baesystems.com.

Engine Current Current

GEK Model Nomenclature Rev No. Rev Date
99373-

73-90-17 GENX-1B/-2B Crimped Electrical Connection 7 06/15/15

73-90-18 GENX-1B/-2B Shielded Wire Processes 6 11/17/11

73-90-19 GENX-1B/-2B Wire Preparation Processes 6 11/17/11

73-95-00 GENX-1B/-2B Chassis Repairs 6 11/17/11

73-95-19 GENX-1B/-2B Broken Screw Removal 6 11/17/11

73-95-20 GENX-1B/-2B Chassis Dent and Scratch Repair 6 11/17/11

73-95-21 GENX-1B/-2B Chassis Surface Weld Area Repair 6 11/17/11

73-95-22 GENX-1B/-2B Chassis Surfaces Repair 6 11/17/11

73-95-30 GENX-1B/-2B Aluminum Surface Repair by Chemical Weld Application 6 11/17/11

73-95-32 GENX-1B/-2B Threaded Insert Overhaul 7 04/22/14

73-95-33 GENX-1B/-2B Chassis Brazed Joint Cleaning and Sealing Procedure 0 07/20/21

APPENDIX A Page 6/6