W DOC AIRBUS | AMM A320F

General Visual Inspection of Compartment A and F Pylon Drain System

TASK 54-50-00-200-001-A
General Visual Inspection of Compartment A and F Pylon Drain System

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.
ZONE: 410
ZONE: 420
ZONE: 470
ZONE: 480
1. Reason for the Job
Refer to the MPD TASK: 545000-01
GENERAL VISUAL INSPECTION OF COMPARTMENT A AND F PYLON DRAIN SYSTEM
NOTE: The effectivity of this task is "ALL". To know if this task is applicable to your aircraft, refer to the MPD task applicability and the weight variant data given in the SRM introduction.
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
FLASHLIGHT
No specific
AR
MIRROR - INSPECTION, FLEXIBLE
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
470
ENGINE 1 AFT PYLON
480
ENGINE 2 AFT PYLON
413AL, 415AL, 415BL, 423AL, 425AL, 425BL, 471BL, 475AL, 485AL
471CL, 481BL
423FL, 471AL, 481AL
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 54-51-21-000-001-A
Removal of the Pylon Lateral Access-Doors
TASK 54-51-21-400-001-A
Installation of the Pylon Lateral Access-Doors
TASK 54-52-11-000-002-A
Removal of the Access Panels
TASK 54-52-11-000-002-B
Removal of the Access Panels
TASK 54-52-11-400-002-A
Installation of the Access Panels
TASK 54-52-11-400-002-B
Installation of the Access Panels
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 Pylon Drains ** ON A/C NOT FOR ALL
F Pylon Drains ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 54-50-00-941-051-A ** ON A/C NOT FOR ALL
A. Safety Precautions
   (1) On the center pedestal, on ENG panel 115VU:
     (a) Put a 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 5 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 a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
Subtask 54-50-00-040-050-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 54-50-00-040-050-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 54-50-00-010-051-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 zones 410 and 470
     (b) For the right pylon, in zones 420 and 480.
   (2) Remove the pylon lateral access-doors (Ref. AMM TASK 54-51-21-000-001):
     (a) For the left pylon: 415AL and 415BL
     (b) For the right pylon: 425AL and 425BL.
   (3) Remove the access panels (Ref. AMM TASK 54-52-11-000-002):
     (a) For the left pylon: 413AL
     (b) For the right pylon: 423AL.
   (4) Remove the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-000-002):
     (a) For the left pylon: 471AL 471BL 475AL
     (b) For the right pylon: 423FL 481AL 485AL.
Subtask 54-50-00-010-051-C ** 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 zones 410 and 470
     (b) For the right pylon, in zones 420 and 480.
   (2) Remove the pylon lateral access-doors
(Ref. AMM TASK 54-51-21-000-001):
     (a) For the left pylon: 415AL and 415BL
     (b) For the right pylon: 425AL and 425BL.
   (3) Remove the access panels (Ref. AMM TASK 54-52-11-000-002):
     (a) For the left pylon: 413AL
     (b) For the right pylon: 423AL.
   (4) Remove the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-000-002):
     (a) For the left Pylon: 471BL 471CL 475AL
     (b) For the right pylon: 481BL 485AL.
4. Procedure
Subtask 54-50-00-210-051-A ** ON A/C NOT FOR ALL
A. Inspection of the Pylon Drains
F Pylon Drains ** ON A/C NOT FOR ALL
F Pylon Drains ** ON A/C NOT FOR ALL
   (1) Inspection of the pylon drains:
     (a) Examine the drain inlets.
     (b) Make sure that the drain inlets are not blocked. Use a FLASHLIGHT and a MIRROR - INSPECTION, FLEXIBLE, if necessary.
     (c) Examine the lines to make sure that there are no cracks, marks, corrosion or other damage.
     (d) Make sure that the lines are correctly attached.
5. Close-up
Subtask 54-50-00-410-051-A ** ON A/C NOT FOR ALL
A. Installation of the Access Panels
   (1) Install the access panels (Ref. AMM TASK 54-52-11-400-002):
     (a) For the left pylon: 413AL
     (b) For the right pylon: 423AL.
   (2) Install the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-400-002):
     (a) For the left pylon: 471AL 471BL 475AL
     (b) For the right pylon: 423FL 481AL 485AL.
   (3) Install the pylon lateral access-doors
(Ref. AMM TASK 54-51-21-400-001):
     (a) For the left pylon: 415AL and 415BL
     (b) For the right pylon: 425AL and 425BL.
Subtask 54-50-00-410-051-C ** ON A/C NOT FOR ALL
A. Installation of the Access Panels
   (1) Install the access panels (Ref. AMM TASK 54-52-11-400-002):
     (a) For the left pylon: 413AL
     (b) For the right pylon: 423AL.
   (2) Install the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-400-002):
     (a) For the left pylon: 471BL 471CL 475AL
     (b) For the right pylon: 481BL 485AL.
   (3) Install the pylon lateral access-doors
(Ref. AMM TASK 54-51-21-400-001):
     (a) For the left pylon: 415AL and 415BL
     (b) For the right pylon: 425AL and 425BL.
Subtask 54-50-00-440-050-A ** ON A/C NOT FOR ALL
B. Reactivation of the Thrust Reverser
   (1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-081-041).
Subtask 54-50-00-440-050-B ** ON A/C NOT FOR ALL
B. Reactivation of the Thrust Reverser
   (1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-440-012).
Subtask 54-50-00-942-063-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 01:59:03 UTC
"Aviabrain" 2025