DOC AIRBUS | AMM A320FSpecial Detailed Inspection of Outer Wing, Rear Spar Forward Face, at the Attachment Holes of Gear Support Rib 5, MLG Forward Pintle Fitting and Retraction Jack Fitting
TASK 57-20-00-280-801-A
Special Detailed Inspection of Outer Wing, Rear Spar Forward Face, at the Attachment Holes of Gear Support Rib 5, MLG Forward Pintle Fitting and Retraction Jack Fitting
Refer to the MPD TASK: 572009-01
SPECIAL DETAILED INSPECTION (US) OF OUTER WING, REAR SPAR FORWARD FACE, AT THE ATTACHMENT HOLES OF GEAR SUPPORT RIB 5, MLG FORWARD PINTLE FITTING AND RETRACTION JACK FITTING
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 57-20-00-941-111-A
Subtask 57-20-00-110-100-A
(2) If you did not remove the TPS layer at the "Preparation of the Inspection Area" paragraph:
(a) Do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001).
(b) In relation to the condition and integrity of the TPS layer, apply a new TPS layer or not.
(3) If the TPS layer has local damage, remove the damaged TPS layer and apply a new TPS layer (Ref. AMM TASK 51-78-00-916-001).
5. Close-up
Subtask 57-20-00-410-122-A
[Rev.10 from 2021]
2026.04.02 06:30:38 UTC
Special Detailed Inspection of Outer Wing, Rear Spar Forward Face, at the Attachment Holes of Gear Support Rib 5, MLG Forward Pintle Fitting and Retraction Jack Fitting
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.
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.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobRefer to the MPD TASK: 572009-01
SPECIAL DETAILED INSPECTION (US) OF OUTER WING, REAR SPAR FORWARD FACE, AT THE ATTACHMENT HOLES OF GEAR SUPPORT RIB 5, MLG FORWARD PINTLE FITTING AND RETRACTION JACK FITTING
NOTE: The effectivity of this task is "ALL". To know if this task is applicable to your aircraft, refer to the MPD task applicability.
2. Job Set-up InformationA. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE |
| No specific | 1 | LIGHT SOURCE - SPARK-PROOF |
| No specific | 1 | MIRROR - INSPECTION |
| No specific | AR | SAFETY BARRIER(S) |
| No specific | 1 | SCRAPER - NON METALLIC |
| No specific | AR | WARNING NOTICE(S) |
| 98D27803500001 | 1 | LOCKING TOOL ZERO POS |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 540 | FUEL TANK |
| 640 | FUEL TANK |
| 540AB, 540BB, 640AB, 640BB |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 28-10-00-910-001-A | Safety Procedures When You Do Work in a Fuel Tank |
| 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 511100 | |
| SRM 512200 | |
| SRM 512300 | |
| SRM 512400 | |
| NTM 572110 | |
| NTM 572118 | |
Rear Spar Forward-Face of the Outer Wing at the Attachment Holes of Gear Support Rib 5 at the MLG Forward-Pintle Fitting and the Retraction Jack FittingSubtask 57-20-00-941-111-A
A. Safety Precautions
(1) Obey the safety procedures when you do work in the fuel tank (Ref. AMM TASK 28-10-00-910-001).
(2) Install the 98D27803500001 LOCKING TOOL ZERO POS on the slats and flaps control lever.
(3) Put the WARNING NOTICE(S) in position in the cockpit to tell persons not to operate the slats and flaps control lever.
(4) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
Subtask 57-20-00-010-115-A (1) Obey the safety procedures when you do work in the fuel tank (Ref. AMM TASK 28-10-00-910-001).
(2) Install the 98D27803500001 LOCKING TOOL ZERO POS on the slats and flaps control lever.
(3) Put the WARNING NOTICE(S) in position in the cockpit to tell persons not to operate the slats and flaps control lever.
(4) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
B. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the wing fuel tank, at zone 540(640).
(2) Remove the applicable access panels (Ref. AMM TASK 57-27-11-000-001):
Subtask 57-20-00-110-111-A (1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the wing fuel tank, at zone 540(640).
(2) Remove the applicable access panels (Ref. AMM TASK 57-27-11-000-001):
C. 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 it with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .
(3) If there is a TPS layer and if it does not let you do a satisfactory inspection, remove the TPS layer (Ref. AMM TASK 51-78-00-916-001).
(4) If sealant or paint is applied on the inspection area:
(a) Remove the sealant with the SCRAPER - NON METALLIC.
(b) Remove the paint.
4. Procedure(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 it with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .
(3) If there is a TPS layer and if it does not let you do a satisfactory inspection, remove the TPS layer (Ref. AMM TASK 51-78-00-916-001).
(4) If sealant or paint is applied on the inspection area:
(a) Remove the sealant with the SCRAPER - NON METALLIC.
(b) Remove the paint.
Subtask 57-20-00-110-100-A
DELETED
Subtask 57-20-00-280-060-A ** ON A/C NOT FOR ALL B. Inspection
(1) Examine the applicable inspection area with the LIGHT SOURCE - SPARK-PROOF and the MIRROR - INSPECTION.
(2) Do a special detailed inspection of the rear spar forward-face of the outer wing at the attachment holes of gear support rib 5 for damage or discontinuities NTM 572110. Do this inspection at the MLG forward-pintle fitting and the retraction jack fitting.
(3) Refer to the NTM inspection report and do the applicable step:
(a) Corrosion:
If you find corrosion, refer to the 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 the Structural Repair Manual SRM 511100 for the damage types, classification and corrective action.
Subtask 57-20-00-110-100-B (1) Examine the applicable inspection area with the LIGHT SOURCE - SPARK-PROOF and the MIRROR - INSPECTION.
(2) Do a special detailed inspection of the rear spar forward-face of the outer wing at the attachment holes of gear support rib 5 for damage or discontinuities NTM 572110. Do this inspection at the MLG forward-pintle fitting and the retraction jack fitting.
(3) Refer to the NTM inspection report and do the applicable step:
(a) Corrosion:
If you find corrosion, refer to the 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 the Structural Repair Manual SRM 511100 for the damage types, classification and corrective action.
DELETED
Subtask 57-20-00-280-060-B ** ON A/C NOT FOR ALL D. Inspection
(1) Do a special detailed inspection of the rear spar forward-face of the outer wing at the attachment holes of gear support rib 5 for damage and discontinuities NTM 572118. Do this inspection at the MLG forward-pintle fitting and the retraction jack fitting.
(2) Refer to the NTM inspection report and do the applicable step:
(a) Corrosion:
If you find corrosion, refer to the 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 the Structural Repair Manual SRM 511100 for the damage types, classification and corrective action.
Subtask 57-20-00-910-050-A (1) Do a special detailed inspection of the rear spar forward-face of the outer wing at the attachment holes of gear support rib 5 for damage and discontinuities NTM 572118. Do this inspection at the MLG forward-pintle fitting and the retraction jack fitting.
(2) Refer to the NTM inspection report and do the applicable step:
(a) Corrosion:
If you find corrosion, refer to the 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 the Structural Repair Manual SRM 511100 for the damage types, classification and corrective action.
E. Sealant or Paint Application
(1) If you removed the sealant and/or paint from the inspection area, apply sealant SRM 512400 or paint SRM 512300 on the inspection area.
Subtask 57-20-00-916-053-A (1) If you removed the sealant and/or paint from the inspection area, apply sealant SRM 512400 or paint SRM 512300 on the inspection area.
CAUTION:
DO NOT APPLY TEMPORARY PROTECTION SYSTEM (TPS) TYPE 3 ON THE MOVABLE COMPONENTS. USE ONLY TPS TYPE 1 GRADE 2. IF YOU DO NOT OBEY THIS INSTRUCTION, THE MECHANISMS WILL NOT OPERATE CORRECTLY.
F. Check and Application of the TPS LayerNOTE: There is no special requirement about the TPS layer application in this area. The operator can apply TPS or let the surface stay without protection.
(1) If you removed the TPS layer at the "Preparation of the Inspection Area" paragraph, apply a new layer (Ref. AMM TASK 51-78-00-916-001).(2) If you did not remove the TPS layer at the "Preparation of the Inspection Area" paragraph:
(a) Do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001).
(b) In relation to the condition and integrity of the TPS layer, apply a new TPS layer or not.
(3) If the TPS layer has local damage, remove the damaged TPS layer and apply a new TPS layer (Ref. AMM TASK 51-78-00-916-001).
Subtask 57-20-00-410-122-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 57-20-00-410-111-A (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):
DELETED
Subtask 57-20-00-410-111-B DELETED
Subtask 57-20-00-942-112-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 slats and flaps 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.
(1) Remove the SAFETY BARRIERS.
(2) Remove the access platform(s).
(3) Remove the 98D27803500001 LOCKING TOOL ZERO POS from the slats and flaps 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.