W DOC AIRBUS | AMM A320F

Detailed Inspection of Outer Wing, Fixed Trailing Edge, Rear Spar Aft Face, between Gear Support Rib 5 and Rib 8

TASK 57-20-00-220-003-A
Detailed Inspection of Outer Wing, Fixed Trailing Edge, Rear Spar Aft Face, between Gear Support Rib 5 and Rib 8

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
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: 574
ZONE: 674
1. Reason for the Job
Refer to the MPD TASK: 572062-01
DETAILED INSPECTION OF OUTER WING, FIXED TRAILING EDGE, REAR SPAR AFT FACE, BETWEEN GEAR SUPPORT RIB 5 AND RIB 8
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 2M (6 FT)
No specific
AR
LIGHT SOURCE - SPARK-PROOF
No specific
AR
MIRROR - INSPECTION, FLEXIBLE
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.12ADB1)
Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film -
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
574
FALSE SPAR BOX
674
FALSE SPAR BOX
574AB, 574BB, 674AB, 674BB
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 51-78-00-916-001-A
Application of Temporary Protection System (TPS)
SRM 572100
 (for corrective action)
F Details of the Rear Spar Aft Face - Rib 5 thru Rib 8
3. Job Set-up
Subtask 57-20-00-941-086-A
A. Safety Precautions
   (1) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.
   (2) Put WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
   (3) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
Subtask 57-20-00-010-083-A ** ON A/C NOT FOR ALL
B. Get Access
   (1) Put the ACCESS PLATFORM 2M (6 FT) below the applicable wing rear spar, zone 574(674).
   (2) Open the applicable access panels:
Subtask 57-20-00-010-083-B ** ON A/C NOT FOR ALL
B. Get Access
   (1) Put the ACCESS PLATFORM 2M (6 FT) below the applicable wing rear spar, zone 574(674).
   (2) Remove the applicable access panels:
4. Procedure
Subtask 57-20-00-110-085-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 rear spar aft face between Rib 5 and Rib 8.
Subtask 57-20-00-210-075-A
B. Detailed Inspection of Outer Wing, Fixed Trailing Edge, Rear Spar Aft Face, between Gear Support Rib 5 and Rib 8
   (1) Examine the outer wing fixed trailing edge and the rear spar aft face between Ribs 5 and 8.
Make sure that:
  • there is no corrosion, damage or dents
  • there are no scratches or scores
  • there are no cracks
  • there are no loose or damaged fasteners or any item broken or missing
  • the surface protection is in the correct condition.
NOTE: Use a LIGHT SOURCE - SPARK-PROOF and a MIRROR - INSPECTION, FLEXIBLE to supply lighting to the applicable inspection area.
NOTE: If necessary, refer to the SRM 572100 for the correct repair procedure.
Subtask 57-20-00-916-052-A
C. Application of Temporary Protection System (TPS)
   (1) If there is a TPS layer, do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001):
NOTE: Airbus recommends that you always apply a new layer of TPS. This is to make sure that the TPS layer continues to give satisfactory corrosion protection. If, after the check, you think that the TPS layer is in the correct condition, you can apply a new layer as a spray on the remaining layer.
   (2) If the TPS layer has local damage, remove the damaged TPS layer (Ref. AMM TASK 51-78-00-916-001) and apply a new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) :
   (3) If, before the inspection, there was:
  • Removal of the TPS layer
  • Or cleaning of the inspection area with high pressure water, steam, Solvents and/or cleaning agents apply a full new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) on the inspection area (Ref. AMM TASK 51-78-00-916-001).
5. Close-up
Subtask 57-20-00-410-085-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 applicable access panel:
Subtask 57-20-00-410-085-B ** 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) Install the applicable access panel:
Subtask 57-20-00-942-087-A
B. 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 06:30:36 UTC
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