DOC AIRBUS | AMM A320FReplacement of the Fire Seals of the Pylon-to-Wing Center Fillets
TASK 54-53-11-300-802-A
Replacement of the Fire Seals of the Pylon-to-Wing Center Fillets
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 54-53-11-941-068-A
Subtask 54-53-11-300-051-A
Subtask 54-53-11-410-055-A
[Rev.10 from 2021]
2026.04.01 12:49:35 UTC
Replacement of the Fire Seals of the Pylon-to-Wing Center Fillets
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 |
|---|---|
| 410 | ENG 1 PYLON BOX AND FORWARD FAIRING |
| 420 | ENG 2 PYLON BOX AND FORWARD FAIRING |
| 470 | ENGINE 1 AFT PYLON |
| 480 | ENGINE 2 AFT PYLON |
| 413ET, 423ET, 471AL, 471BL, 471CL, 472AR, 472BR, 481AL, 481BL, 482AR, 482BR, 482CR |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 54-53-11-000-806-A | Removal of the Pylon-to-Wing Access Panels and Doors |
| TASK 54-53-11-400-806-A | Installation of the Pylon-to-Wing Access Panels and Doors |
| 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 Pylon-to-Wing Center FilletsSubtask 54-53-11-941-068-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 54-53-11-040-070-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 54-53-11-010-064-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 an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position:
(a) For the left pylon, in zones 410 and 470
(b) For the right pylon, in zones 420 and 480.
(2) Remove the pylon-to-wing access panels and doors (Ref. AMM TASK 54-53-11-000-806):
(a) For the left pylon: 413ET 471AL 471BL 471CL 472AR and 472BR
(b) For the right pylon: 423ET 481AL 481BL 482AR 482BR and 482CR.
4. Procedure(1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position:
(a) For the left pylon, in zones 410 and 470
(b) For the right pylon, in zones 420 and 480.
(2) Remove the pylon-to-wing access panels and doors (Ref. AMM TASK 54-53-11-000-806):
(a) For the left pylon: 413ET 471AL 471BL 471CL 472AR and 472BR
(b) For the right pylon: 423ET 481AL 481BL 482AR 482BR and 482CR.
Subtask 54-53-11-300-051-A
A. Replacement of the Fire Seals of the Pylon-to-Wing Center Fillets
(2) Remove the used seal (1) from the pylon-to-wing access panel/door (2).
(3) Install a new seal (1).
(4) Make sure that the seal is correctly assembled in its groove and that it has the correct orientation. To do this:
(a) Make sure that the seal marking is on the internal side of the panel.
(b) Make sure that the seal stop touches the seal retainer lip.
5. Close-upNOTE: The procedure is the same for all pylon-to-wing access panels and doors.
(1) Put the pylon-to-wing access panel/door (2) on a MAT - PROTECTIVE. (2) Remove the used seal (1) from the pylon-to-wing access panel/door (2).
(3) Install a new seal (1).
(4) Make sure that the seal is correctly assembled in its groove and that it has the correct orientation. To do this:
(a) Make sure that the seal marking is on the internal side of the panel.
(b) Make sure that the seal stop touches the seal retainer lip.
Subtask 54-53-11-410-055-A
A. Close Access
(1) Install the pylon-to-wing access panels and doors (Ref. AMM TASK 54-53-11-400-806):
(a) For the left pylon: 413ET 471AL 471BL 471CL 472AR and 472BR
(b) For the right pylon: 423ET 481AL 481BL 482AR 482BR and 482CR.
Subtask 54-53-11-440-063-A (1) Install the pylon-to-wing access panels and doors (Ref. AMM TASK 54-53-11-400-806):
(a) For the left pylon: 413ET 471AL 471BL 471CL 472AR and 472BR
(b) For the right pylon: 423ET 481AL 481BL 482AR 482BR and 482CR.
B. Reactivation of the Thrust Reverser
(1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-440-807).
Subtask 54-53-11-942-062-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).