DOC AIRBUS | AMM A320FReplacement of the Fire Seals of the Rear Pylon Fairing (RPF)
TASK 54-54-11-300-802-A
Replacement of the Fire Seals of the Rear Pylon Fairing (RPF)
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 54-54-11-941-052-A
Subtask 54-54-11-300-052-A
Subtask 54-54-11-410-052-A Subtask 54-54-11-440-052-A
[Rev.10 from 2021]
2026.04.01 02:03:02 UTC
Replacement of the Fire Seals of the Rear Pylon Fairing (RPF)
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 | 1 | MAT - PROTECTIVE |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 470 | ENGINE 1 AFT PYLON |
| 480 | ENGINE 2 AFT PYLON |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 54-54-00-000-804-A | Removal of the Rear Pylon Fairing (RPF) |
| TASK 54-54-00-400-803-A | Installation of the Rear Pylon Fairing (RPF) |
| TASK 78-30-00-040-807-A | Deactivation of the Thrust Reverser System for Nacelle Maintenance (ICU) |
| TASK 78-30-00-440-807-A | Reactivation of the Thrust Reverser System after Nacelle Maintenance (ICU) |
Fire Seals of the Rear Pylon Fairing (RPF)Subtask 54-54-11-941-052-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 a 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 a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
Subtask 54-54-11-040-052-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 a 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 a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
B. Deactivation of the Thrust Reverser
Subtask 54-54-11-010-052-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 an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position:
(a) For the left pylon, in zone 470
(b) For the right pylon, in zone 480.
(2) Remove the Rear Pylon Fairing (RPF) (Ref. AMM TASK 54-54-00-000-804).
4. Procedure(1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position:
(a) For the left pylon, in zone 470
(b) For the right pylon, in zone 480.
(2) Remove the Rear Pylon Fairing (RPF) (Ref. AMM TASK 54-54-00-000-804).
Subtask 54-54-11-300-052-A
A. Replacement of the Fire Seals of the Rear Pylon Fairing (RPF)
(1) Put the RPF (2) and the gutter (4) on a MAT - PROTECTIVE.
(2) Remove and discard the used seal (1) from the RPF (2).
(3) Remove and discard the used seal (3) from the gutter (4).
(4) Install a new seal (1) on the RPF (2).
(5) Install a new seal (3) on the gutter (4).
(6) Make sure that the seals (1) and (3) are correctly assembled in their grooves and that they have the correct orientation. To do this:
(a) Make sure that the seal markings are on the internal sides of the RPF (2) and the gutter (4).
(b) Make sure that the seal stops touch the seal retainer lips.
(c) Make sure that the cut on the internal lip of each seal is on the rear side of the RPF (2). This is to make sure that:
5. Close-up(1) Put the RPF (2) and the gutter (4) on a MAT - PROTECTIVE.
(2) Remove and discard the used seal (1) from the RPF (2).
(3) Remove and discard the used seal (3) from the gutter (4).
(4) Install a new seal (1) on the RPF (2).
(5) Install a new seal (3) on the gutter (4).
(6) Make sure that the seals (1) and (3) are correctly assembled in their grooves and that they have the correct orientation. To do this:
(a) Make sure that the seal markings are on the internal sides of the RPF (2) and the gutter (4).
(b) Make sure that the seal stops touch the seal retainer lips.
(c) Make sure that the cut on the internal lip of each seal is on the rear side of the RPF (2). This is to make sure that:
- The left and right seals are in the correct position.
- The left and right seals do not touch the wing system interface.
Subtask 54-54-11-410-052-A Subtask 54-54-11-440-052-A
B. Reactivation of the Thrust Reverser
(1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-440-807).
Subtask 54-54-11-942-051-A (1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-440-807).
C. Aircraft Maintenance Configuration
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).