W DOC AIRBUS | AMM A320F

Detailed Inspection of Pylon, Upper Spar, in Areas of Fasteners at Junction with Lateral Panel, between RIB 4 and RIB 10, LH/RH

TASK 54-51-00-200-807-A
Detailed Inspection of Pylon, Upper Spar, in Areas of Fasteners at Junction with Lateral Panel, between RIB 4 and RIB 10, LH/RH

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: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 415
ZONE: 425
1. Reason for the Job
Refer to the MPD TASK: 545134-09
DETAILED INSPECTION OF PYLON, UPPER SPAR, IN AREAS OF FASTENERS AT JUNCTION WITH LATERAL PANEL, BETWEEN RIB 4 AND RIB 10, LH/RH

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
FLASHLIGHT
No specific
1
MIRROR - INSPECTION
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
415
LOWER PYLON
425
LOWER PYLON
471BL, 471CL, 481BL
471AL, 472AR, 472BR, 481AL, 482AR, 482BR, 482CR
471BR, 471CR, 471DL, 481BR, 481CL, 481CR, 481DR
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 27-00-00-080-002-A
Removal of the Flap/Slat Control-Lever Locking Tool (98D27803000000)
TASK 27-00-00-480-002-A
Installation of the Flap/Slat Control-Lever Locking Tool (98D27803000000)
TASK 27-50-00-866-009-A
Retraction of the Flaps on the Ground
TASK 27-50-00-866-009-A-01
Retraction of the Flaps/Slats on the Ground
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-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-B
Make the Thrust Reverser Unserviceable for Maintenance
SRM 511100
 (for corrective action)
SRM 512200
 (for corrective action)
F Junction Area Between the Upper Spar and the Lateral Panel ** ON A/C NOT FOR ALL
F Junction Area Between the Upper Spar and the Lateral Panel ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 54-51-00-941-123-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).
   (4) Make sure that the flaps and slats are fully retracted (Ref. AMM TASK 27-50-00-866-009).
   (5) Install the flap/slat control-lever locking tool (Ref. AMM TASK 27-00-00-480-002).
Subtask 54-51-00-040-120-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 54-51-00-040-120-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 54-51-00-010-130-A ** ON A/C NOT FOR ALL
C. Get Access
   (1) Put the 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 pylon-to-wing access panels (Ref. AMM TASK 54-53-11-000-002):
     (a) For the left pylon: 471AL 471BL 471CL 472AR 472BR
     (b) For the right pylon: 481AL 481BL 482AR 482BR 482CR.
Subtask 54-51-00-010-130-B ** ON A/C NOT FOR ALL
C. Get Access
   (1) Put the 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 pylon-to-wing access panels (Ref. AMM TASK 54-53-11-000-002):
     (a) For the left pylon: 471BL 471CL 471DL 471BR 471CR
     (b) For the right pylon: 481BL 481CL 481BR 481CR 481DR.
Subtask 54-51-00-110-121-A ** ON A/C NOT FOR ALL
D. Cleaning of the Structure
   (1) Make sure that the inspection area is sufficiently clean to do a satisfactory inspection of the area.
   (2) If it 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 54-51-00-220-107-A ** ON A/C NOT FOR ALL
A. Inspection
F Junction Area Between the Upper Spar and the Lateral Panel ** ON A/C NOT FOR ALL
F Junction Area Between the Upper Spar and the Lateral Panel ** ON A/C NOT FOR ALL
   (1) Do a detailed inspection of the upper spar of the pylon, between RIB4 and RIB10. This inspection is applicable to the area of the fasteners at the junction with the lateral panel, on the left and right sides.
   (2) Use a FLASHLIGHT and a MIRROR - INSPECTION for the inspection, if necessary.
   (3) Make sure that there is no:
     (a) Corrosion damage:
  • If you find corrosion, refer to Structural Repair Manual ( SRM 512200) for the corrosion types, inspection, removal and subsequent corrosion protection.
     (b) Other damage (scratches, cracks, gouges, dents, creases):
  • If you find this type of damage, refer to Structural Repair Manual ( SRM 511100) for damage types, classification and corrective action.
5. Close-up
Subtask 54-51-00-410-139-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Install the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-400-002):
     (a) For the left pylon: 471AL 471BL 471CL 472AR 472BR
     (b) For the right pylon: 481AL 481BL 482AR 482BR 482CR.
   (2) Remove the access platform(s).
Subtask 54-51-00-410-139-B ** ON A/C NOT FOR ALL
A. Close Access
   (1) Install the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-400-002):
     (a) For the left pylon: 471BL 471CL 471DL 471BR 471CR
     (b) For the right pylon: 481BL 481CL 481BR 481CR 481DR.
   (2) Remove the access platform(s).
Subtask 54-51-00-440-119-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 54-51-00-440-119-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 54-51-00-942-098-A ** ON A/C NOT FOR ALL
C. Aircraft Maintenance Configuration
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Remove the WARNING NOTICE(S).
   (3) Remove the flap/slat control-lever locking tool (Ref. AMM TASK 27-00-00-080-002).
[Rev.10 from 2021] 2026.04.01 01:59:49 UTC
"Aviabrain" 2025