W DOC AIRBUS | AMM A320F

Detailed Inspection of the Pressure Relief Door

TASK 54-53-11-200-001-A
Detailed Inspection of the Pressure Relief Door

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:
  • THE FLIGHT CONTROLS
  • THE FLIGHT CONTROL SURFACES
  • THE LANDING GEAR AND THE RELATED DOORS
  • COMPONENTS THAT MOVE.
MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.
WARNING: MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START WORK. PRESSURIZED AIR CAN CAUSE INJURY TO PERSONNEL.
ZONE: 470
ZONE: 480
1. Reason for the Job
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)
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
470
ENGINE 1 AFT PYLON
480
ENGINE 2 AFT PYLON
471BL, 482BR
471CL, 481CR
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 54-53-11-000-002-A
Removal of the Pylon-to-Wing Access Panels
TASK 54-53-11-000-002-B
Removal of the Pylon-to-Wing Access Panels
TASK 54-53-11-400-002-A
Installation of the Pylon-to-Wing Access Panels
TASK 54-53-11-400-002-B
Installation of the Pylon-to-Wing Access Panels
TASK 78-30-00-040-012-A
Deactivation of the Thrust Reverser Hydraulic Control Unit (HCU) for Ground Maintenance
TASK 78-30-00-081-041-A
Make the Thrust Reverser Serviceable after Maintenance
TASK 78-30-00-081-041-B
Make the Thrust Reverser Serviceable after Maintenance
TASK 78-30-00-440-012-A
Re-activation of the Thrust Reverser Hydraulic Control Unit (HCU) after Ground Maintenance
TASK 78-30-00-481-041-A
Make the Thrust Reverser Unserviceable for Maintenance
TASK 78-30-00-481-041-B
Make the Thrust Reverser Unserviceable for Maintenance
F Pressure Relief Door ** ON A/C NOT FOR ALL
F Pressure Relief Door ** ON A/C NOT FOR ALL
F Pressure Relief Door ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 54-53-11-941-051-A ** ON A/C NOT FOR ALL
A. Safety Precautions
   (1) On the center pedestal, on the ENG panel 115VU:
     (a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
   (2) Make sure that engine 1 (2) shutdown occurred not less than 5 minutes before you do this procedure.
   (3) On overhead maintenance panel 50VU:
     (a) Make sure that the ON legend of ENG/FADEC GND PWR/1 (2) pushbutton switch is off.
     (b) Put a WARNING NOTICE(S) to tell persons not to energize FADEC 1(2).
Subtask 54-53-11-040-051-A ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
   (1) Make the thrust reverser unserviceable (Ref. AMM TASK 78-30-00-481-041).
Subtask 54-53-11-040-051-B ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
   (1) Make the thrust reverser unserviceable (Ref. AMM TASK 78-30-00-040-012).
Subtask 54-53-11-010-050-A ** ON A/C NOT FOR ALL
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 access panels (Ref. AMM TASK 54-53-11-000-002):
     (a) For the left pylon: 471BL
     (b) For the right pylon: 482BR.
Subtask 54-53-11-010-050-B ** ON A/C NOT FOR ALL
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 access panels (Ref. AMM TASK 54-53-11-000-002):
     (a) For the left pylon: 471CL
     (b) For the right pylon: 481CR.
4. Procedure
Subtask 54-53-11-210-051-A ** ON A/C NOT FOR ALL
A. Inspection of the Pressure Relief Door
F Pressure Relief Door ** ON A/C NOT FOR ALL
   (1) Do a visual inspection of the bleed air duct.
   (2) Do the inspection of the bleed air duct to make sure that there is no damage.
   (3) Do the inspection of the automatic opening mechanism, the hinges, the adjacent structure of the pressure relief door. Make sure that there are no cracks, marks or damage.
   (4) Replacement of the rivets of the automatic opening mechanism
     (a) Remove the rivets of the pressure relief door (1),
     (b) Install the news rivets (2).
Subtask 54-53-11-210-051-B ** ON A/C NOT FOR ALL
A. Inspection of the Pressure Relief Door
F Pressure Relief Door ** ON A/C NOT FOR ALL
F Pressure Relief Door ** ON A/C NOT FOR ALL
   (1) Do a visual inspection of the bleed air duct.
   (2) Do the inspection of the bleed air duct to make sure that there is no damage.
   (3) Do the inspection of the automatic opening mechanism, the hinges, the adjacent structure of the pressure relief door. Make sure that there are no cracks, marks or damage.
5. Close-up
Subtask 54-53-11-410-051-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Make the thrust reverser serviceable (Ref. AMM TASK 78-30-00-081-041).
Subtask 54-53-11-410-051-B ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Make the thrust reverser serviceable (Ref. AMM TASK 78-30-00-440-012).
Subtask 54-53-11-440-051-A ** ON A/C NOT FOR ALL
B. Installation of the Panels
   (1) Install the access panels (Ref. AMM TASK 54-53-11-400-002):
     (a) For the left pylon: 471BL
     (b) For the right pylon: 482BR.
Subtask 54-53-11-440-051-B ** ON A/C NOT FOR ALL
B. Installation of the Panels
   (1) Install the access panels (Ref. AMM TASK 54-53-11-400-002):
     (a) For the left pylon: 471CL
     (b) For the right pylon: 481CR.
Subtask 54-53-11-942-051-A ** ON A/C NOT FOR ALL
C. Close Access
   (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).
[Rev.10 from 2021] 2026.04.01 02:02:41 UTC
"Aviabrain" 2025