W DOC AIRBUS | AMM A320F

BORESCOPE INSPECTION OF IAE FORWARD PYLON FIRE SEAL D (U SHAPED) VISIBLE PART

TASK 54-50-00-280-801-A
BORESCOPE INSPECTION OF IAE FORWARD PYLON FIRE SEAL D (U SHAPED) VISIBLE PART

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
1. Reason for the Job
Refer to MPD task 545000-07 — BORESCOPE INSPECTION OF IAE FORWARD PYLON FIRE SEAL D (U SHAPED) VISIBLE PART.
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. Consumable Materials
REFERENCE
DESIGNATION
(Material No.08BAA9)
Non Aqueous Cleaner-General - -
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. 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
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 78-30-00-040-012-A
Deactivation of the Thrust Reverser Hydraulic Control Unit (HCU) for Ground Maintenance
TASK 78-30-00-440-012-A
Re-activation of the Thrust Reverser Hydraulic Control Unit (HCU) after Ground Maintenance
TASK 78-32-00-010-010-A
Opening of the Thrust Reverser Halves
TASK 78-32-00-410-010-A
Closing of the Thrust Reverser Halves
NTM 519000
F IAE FORWARD PYLON FIRE SEAL D (U SHAPED)
3. Job Set-up
Subtask 54-50-00-860-056-A ** ON A/C NOT FOR ALL
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 the 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 the WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
Subtask 54-50-00-040-072-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 78-30-00-040-012).
Subtask 54-50-00-010-070-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 410.
     (b) For the right pylon, in zone 420.
   (2) Open the thrust reverser cowl doors (Ref. AMM TASK 78-32-00-010-010).
Subtask 54-50-00-110-059-A ** ON A/C NOT FOR ALL
D. Preparation of the Inspection Area
   (1) Make sure that the inspection area is sufficiently clean to do a satisfactory inspection of the area.
   (2) If the inspection area is not sufficiently clean, clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .
4. Procedure
Subtask 54-50-00-290-050-A ** ON A/C NOT FOR ALL
A. Inspection
   (1) Do a special detailed inspection of the forward pylon fire seal D (U shaped) visible parts for:
  • Wear
  • Degradation
  • Side openings
  • Cracks
  • Missing sections.
Refer to the Non-destructive Testing Manual NTM 519000.
   (2) If you find damage on the pylon fire seal, replace it.
5. Close-up
Subtask 54-50-00-410-072-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the thrust reverser doors (Ref. AMM TASK 78-32-00-410-010).
Subtask 54-50-00-440-068-A ** ON A/C NOT FOR ALL
B. Reactivation of the Thrust Reverser
   (1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-440-012).
Subtask 54-50-00-942-065-A ** ON A/C NOT FOR ALL
C. Aircraft Maintenance Configuration
   (1) Remove the access platform(s).
   (2) Remove the WARNING NOTICE(S).
[Rev.10 from 2021] 2026.04.01 01:59:02 UTC
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