W DOC AIRBUS | AMM A320F

Reactivation of the Pylon Lateral Access-Door (415AL, 415AR, 425AL or 425AR)

TASK 54-51-21-440-802-A
Reactivation of the Pylon Lateral Access-Door (415AL, 415AR, 425AL or 425AR)

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AND THE ADJACENT COMPONENTS AFTER ENGINE SHUTDOWN. THE ENGINE, THE ENGINE OIL AND THE ADJACENT COMPONENTS 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.
ZONE: 410
ZONE: 420
1. Reason for the Job
CDL 54-04
PYLON ACCESS DOOR 415(425) AL - 415(425) AR
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 2M (6 FT)
No specific
AR
WARNING NOTICE(S)
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
410
ENG 1 PYLON BOX AND FORWARD FAIRING
420
ENG 2 PYLON BOX AND FORWARD FAIRING
415AL, 415AR, 425AL, 425AR
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 54-51-21-400-001-A
Installation of the Pylon Lateral Access-Doors
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 Deactivation of the Pylon Lateral Access-Doors ** ON A/C NOT FOR ALL
F Deactivation of the Pylon Lateral Access-Doors ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 54-51-21-941-057-A ** ON A/C NOT FOR ALL
A. Safety Precautions
   (1) On the center pedestal, on ENG panel 115VU:
     (a) Put the WARNING NOTICE(S) in position to tell persons not to start engine 1(2).
   (2) Make sure that the engine 1(2) shutdown occurred not less than five minutes before you do this procedure.
   (3) On overhead maintenance panel 50VU:
     (a) Make sure that the ON legend of the ENG/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 54-51-21-040-060-A ** ON A/C NOT FOR ALL
B. Deactivation of the Thrust Reverser
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 78-30-00-481-041).
Subtask 54-51-21-040-060-B ** ON A/C NOT FOR ALL
B. Deactivation of the Thrust Reverser
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 78-30-00-040-012).
Subtask 54-51-21-010-056-A ** ON A/C NOT FOR ALL
C. Get Access
   (1) Put the ACCESS PLATFORM 2M (6 FT) in position:
     (a) For the left pylon, at zone 410
     (b) For the right pylon, at zone 420.
4. Procedure
Subtask 54-51-21-420-056-A ** ON A/C NOT FOR ALL
A. Reactivation of the Pylon Lateral Access-Door
   (1) Remove the high-speed tape from the cutout of the access door.
   (2) Install applicable access door 415AL, 415AR, 425AL or 425AR (Ref. AMM TASK 54-51-21-400-001).
5. Close-up
Subtask 54-51-21-440-055-A ** ON A/C NOT FOR ALL
A. Reactivation of the Thrust Reverser
   (1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-081-041).
Subtask 54-51-21-440-055-B ** ON A/C NOT FOR ALL
A. Reactivation of the Thrust Reverser
   (1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-440-012).
Subtask 54-51-21-410-056-A ** ON A/C NOT FOR ALL
B. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Make sure that applicable access door 415AL, 415AR, 425AL or 425AR is closed.
   (3) Remove the access platform(s).
   (4) Remove the WARNING NOTICE(S).
   (5) Make an entry in the logbook.
[Rev.10 from 2021] 2026.04.01 02:01:05 UTC
"Aviabrain" 2025