W DOC AIRBUS | AMM A320F

Detailed Inspection of the Outer Wing Top-Skin Lower Surface Pylon Reinforcing-Plate

TASK 57-20-00-200-011-A
Detailed Inspection of the Outer Wing Top-Skin Lower Surface Pylon Reinforcing-Plate

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: 521
ZONE: 540
ZONE: 621
ZONE: 640
1. Reason for the Job
Refer to the MPD TASK: 572022-01
DETAILED INSPECTION OF OUTER WING, TOP SKIN, LOWER SURFACE PYLON REINFORCING PLATE
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
SAFETY BARRIER(S)
No specific
AR
WARNING NOTICE(S)
98D27803500001
1
LOCKING TOOL ZERO POS
 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
521
INBOARD FIXED L.E STRUCTURE
540
FUEL TANK
621
INBOARD FIXED L.E STRUCTURE
640
FUEL TANK
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 28-10-00-910-001-A
Safety Procedures When You Do Work in a Fuel Tank
TASK 28-10-00-910-002-A
Access to the Fuel Tanks and the Work Areas
TASK 57-27-11-000-001-A
Removal of the Access Panel
TASK 57-27-11-400-001-A
Installation of the Access Panel
SRM 572100
 (for corrective action)
F Details of the Top-Skin Lower-Surface Pylon Reinforcing Plate
3. Job Set-up
Subtask 57-20-00-941-060-A
A. Safety Precautions
WARNING: OBEY THE FUEL SAFETY PROCEDURES.
   (1) Obey the fuel safety precautions (Ref. AMM TASK 28-10-00-910-001).
   (2) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.
   (3) Put WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
   (4) Put the SAFETY BARRIER(S) in position.
Subtask 57-20-00-010-060-A
B. Get Access
WARNING: BEFORE YOU DO WORK IN OR NEAR A FUEL TANK, MAKE SURE THAT YOU OBEY ALL THE SAFETY PROCEDURES. THIS WILL PREVENT INJURY TO PERSONS AND/OR DAMAGE TO THE AIRCRAFT.
   (1) Put the ACCESS PLATFORM 2M (6 FT) in position below zones 521(621) and 540(640).
   (2) Remove the applicable access panels:
4. Procedure
Subtask 57-20-00-110-061-A
A. Preparation for Inspection
   (1) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) , to clean:
  • the pylon reinforcing plate of the top-skin lower surface.
Subtask 57-20-00-210-059-A
B. Detailed Inspection of the Outer Wing Top-Skin Lower Surface Pylon Reinforcing-Plate
   (1) Examine the pylon reinforcing-plate of the top-skin lower surface.
Make sure that:
  • there is no corrosion or damage
  • there are no scratches or scores
  • there are no loose or damaged fasteners
  • the surface protection is in the correct condition.
NOTE: If necessary, refer to the SRM 572100 for the correct repair procedure.
5. Close-up
Subtask 57-20-00-410-061-A
A. Close access
   (1) Make sure that the work area is clean and clear of tool(s) and other items.
   (2) Install the applicable access panels:
Subtask 57-20-00-942-061-A
B. Removal of Equipment
   (1) Remove the SAFETY BARRIER(S).
   (2) Remove the access platform(s).
   (3) Remove the 98D27803500001 LOCKING TOOL ZERO POS from the flap/slat control lever.
   (4) Remove the WARNING NOTICE(S).
   (5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.02 06:30:35 UTC
AVIA BRAIN PRODUCTION 2026