Removal of the Rear Pylon Fairing (RPF) - Aft Pylon Fairing (APF) Closing Assembly
TASK 54-54-00-000-806-A
Removal of the Rear Pylon Fairing (RPF) - Aft Pylon Fairing (APF) Closing Assembly
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 54-54-00-941-069-A
Subtask 54-54-00-020-082-A
[Rev.10 from 2021]
2026.04.01 02:02:57 UTC
Removal of the Rear Pylon Fairing (RPF) - Aft Pylon Fairing (APF) Closing Assembly
WARNING:
BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.
WARNING:
PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
1. Reason for the Job- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 470 | ENGINE 1 AFT PYLON |
| 480 | ENGINE 2 AFT PYLON |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 78-30-00-040-807-A | Deactivation of the Thrust Reverser System for Nacelle Maintenance (ICU) |
Subtask 54-54-00-941-069-A
A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Put the WARNING NOTICE(S) in position to tell persons not to operate the ENG/MODE selector switch and the ENG/MASTER 1(2) control switch.
(2) On the ENG section of maintenance panel 50VU:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put the WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
Subtask 54-54-00-040-069-A (1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Put the WARNING NOTICE(S) in position to tell persons not to operate the ENG/MODE selector switch and the ENG/MASTER 1(2) control switch.
(2) On the ENG section of maintenance panel 50VU:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put the WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
B. Deactivation of the Thrust Reverser
Subtask 54-54-00-010-064-A WARNING:
MAKE SURE THAT THE THRUST REVERSER IS LOCKED. IF NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO THE REVERSER.
(1) Make the thrust reverser unserviceable for maintenance (Ref. AMM TASK 78-30-00-040-807). C. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position:
(a) For the left pylon, at zones 410 and 470
(b) For the right pylon, at zones 420 and 480.
4. Procedure(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position:
(a) For the left pylon, at zones 410 and 470
(b) For the right pylon, at zones 420 and 480.
Subtask 54-54-00-020-082-A
A. Removal of the RPF-APF Closing Assembly
(1) Hold the RPF-APF closing assemblies (1) and (6).
(3) Remove the RPF-APF closing assemblies (1) and (6).
(1) Hold the RPF-APF closing assemblies (1) and (6).
CAUTION:
WHEN YOU REMOVE THE SCREWS, MAKE SURE THAT YOU RECORD THE CORRECT POSITION OF EACH OF THEM. THE SCREWS HAVE DIFFERENT LENGTHS.
(2) Remove the screws (2), (3), (4) and (5). (3) Remove the RPF-APF closing assemblies (1) and (6).
RPF-APF Closing Assembly