W DOC AIRBUS | AMM A320F

Detailed Inspection of Outer Wing, Bottom Skin, Upper and Lower Surfaces, around Access Door Cutouts in Rib Bay 2-3 and Rib Bay 6-7

TASK 57-20-00-200-001-A
Detailed Inspection of Outer Wing, Bottom Skin, Upper and Lower Surfaces, around Access Door Cutouts in Rib Bay 2-3 and Rib Bay 6-7

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.
CAUTION: DO NOT APPLY TEMPORARY PROTECTION SYSTEM (TPS) ON THE INSPECTION AREA. IF YOU APPLY TPS ON THE INSPECTION AREA, YOU CAN CAUSE DAMAGE TO THE AIRCRAFT.
ZONE: 540
ZONE: 640
1. Reason for the Job
Refer to the MPD TASK: 572040-01
DETAILED INSPECTION OF OUTER WING, BOTTOM SKIN, UPPER AND LOWER SURFACES, AROUND ACCESS DOOR CUTOUTS IN RIB BAY 2-3 AND RIB BAY 6-7
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
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
540
FUEL TANK
640
FUEL TANK
540AB, 540BB, 640AB, 640BB
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 12-11-28-650-003-A
Pressure Refuel with Automatic Control
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 28-25-00-650-001-A
Pressure Defuel
TASK 28-25-00-650-003-A
To Drain Remaining Fuel from the Wing Tanks and the Center Tank
TASK 28-25-00-650-003-A-01
To Drain Remaining Fuel from the Wing Tanks and the Center Tank
TASK 28-25-00-869-001-A
Fuel Transfer
TASK 51-78-00-916-001-A
Application of Temporary Protection System (TPS)
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 572000
 (for corrective action)
F Access Panel Cut-outs ** ON A/C NOT FOR ALL
F Access Panel Cut-outs ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 57-20-00-941-082-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 a WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
   (4) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
Subtask 57-20-00-650-054-A
B. Fuel Configuration
   (1) Move the fuel to another tank (Ref. AMM TASK 28-25-00-869-001) or defuel the tank (Ref. AMM TASK 28-25-00-650-001) as applicable.
   (2) Drain all of the remaining fuel from the tank through the water drain valves (Ref. AMM TASK 28-25-00-650-003).
Subtask 57-20-00-010-050-A
C. 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 3M (10 FT)- ADJUSTABLE in position below zone 540(640).
   (2) Remove the access panels for the applicable wing (Ref. AMM TASK 57-27-11-000-001) and (Ref. AMM TASK 28-10-00-910-002):
Subtask 57-20-00-110-050-A ** ON A/C NOT FOR ALL
D. Preparation for Inspection
   (1) Remove unwanted sealant from the access panel cut-out(s) and the seal faces of the access panels.
   (2) Make sure that the inspection area is sufficiently clean to do the inspection of the area.
   (3) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) , to clean:
  • the access panel (1) interfaces
  • the fuel tank access cut-out (3) interfaces and the adjacent area
  • the clamp ring (5) and the bolt (6) areas.
   (4) Make sure that there is no TPS layer and if there is a TPS layer, remove it (Ref. AMM TASK 51-78-00-916-001).
Subtask 57-20-00-110-050-B ** ON A/C NOT FOR ALL
D. Preparation for Inspection
   (1) Remove unwanted sealant from the access panel cut-out(s) and the seal faces of the access panels.
   (2) Make sure that the inspection area is sufficiently clean to do the inspection of the area.
   (3) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) , to clean:
  • the access panel assembly (1) interfaces
  • the bottom wing skin (3) interfaces and the adjacent area
  • the access panel outer (5) and the bolt (6) areas.
   (4) Make sure that there is no TPS layer and if there is a TPS layer, remove it (Ref. AMM TASK 51-78-00-916-001).
4. Procedure
Subtask 57-20-00-210-050-A ** ON A/C NOT FOR ALL
A. Detailed Inspection of Outer Wing, Bottom Skin, Upper and Lower Surfaces, around Access Door Cutouts in Rib Bay 2-3 and Rib Bay 6-7
   (1) Examine the areas of the top and the bottom skin surfaces adjacent to the access panel cut-outs.
Make sure that:
  • there is no corrosion of the access panel (1) and the wing skin (3)
  • the sealing ring (2) is in good condition
  • the access hole edges in the wing skin (3) are not damaged
  • the knitted gasket (4) is in good condition
  • there is no damage to, or scoring of, the clamp ring (5) and the access panel (1) interface
  • the bolt (6) holes in the clamp ring (5) are not damaged
  • the paint finish is of the correct condition.
NOTE: If necessary, refer to the SRM 572000 for the correct repair procedure.
Subtask 57-20-00-210-050-B ** ON A/C NOT FOR ALL
A. Detailed Inspection of Outer Wing, Bottom Skin, Upper and Lower Surfaces, around Access Door Cutouts in Rib Bay 2-3 and Rib Bay 6-7
   (1) Examine the areas of the top and the bottom skin surfaces adjacent to the access panel cut-outs.
Make sure that:
  • there is no corrosion of the access panel assembly (1) and the wing skin (3)
  • the sealing ring (2) is in good condition
  • the access hole edges in the wing skin (3) are not damaged
  • the knitted gasket (4) is in good condition
  • there is no damage to, or scoring of, the access panel outer (5) and the access panel assembly (1) interface
  • the bolt (6) holes in the access panel outer (5) are not damaged
  • the paint finish is of the correct condition.
NOTE: If necessary, refer to the SRM 572000 for the correct repair procedure.
5. Close-up
Subtask 57-20-00-410-050-A
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Install the applicable access panels (Ref. AMM TASK 57-27-11-400-001):
Subtask 57-20-00-650-055-A
B. Fuel Configuration
   (1) Refuel (Ref. AMM TASK 12-11-28-650-003), defuel (Ref. AMM TASK 28-25-00-650-001) or transfer fuel (Ref. AMM TASK 28-25-00-869-001) as necessary.
Subtask 57-20-00-942-050-A
C. Removal of Equipment
   (1) Remove the safety barriers.
   (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 06:30:34 UTC
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