Detailed Inspection of Outer Wing, Flap Track 2, Aft Attachment Fittings on Wing Bottom Skin at False Rear Spar and Flap Track 3 & 4 Aft Attachment ....
TASK 57-26-00-200-001-A
Detailed Inspection of Outer Wing, Flap Track 2, Aft Attachment Fittings on Wing Bottom Skin at False Rear Spar and Flap Track 3 & 4 Aft Attachment ....
Refer to the MPD TASK: 572653-01
DETAILED INSPECTION OF OUTER WING, FLAP TRACK 2, AFT ATTACHMENT FITTINGS ON WING BOTTOM SKIN AT FALSE REAR SPAR, AND FLAP TRACK 3 & 4, AFT ATTACHMENT FITTINGS AT REAR SPAR
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 57-26-00-941-064-A
Subtask 57-26-00-410-051-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:11:14 UTC
Detailed Inspection of Outer Wing, Flap Track 2, Aft Attachment Fittings on Wing Bottom Skin at False Rear Spar and Flap Track 3 & 4 Aft Attachment ....
WARNING:
MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
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:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
CAUTION:
BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:
- DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
- DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
- MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
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.
1. Reason for the JobRefer to the MPD TASK: 572653-01
DETAILED INSPECTION OF OUTER WING, FLAP TRACK 2, AFT ATTACHMENT FITTINGS ON WING BOTTOM SKIN AT FALSE REAR SPAR, AND FLAP TRACK 3 & 4, AFT ATTACHMENT FITTINGS AT REAR SPAR
NOTE: The effectivity of this task is ALL. To know if this task is applicable for your aircraft, refer to the MPD task applicability and the weight variant data given in the SRM introduction.
2. Job Set-up InformationA. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 3M (10 FT) |
| No specific | 1 | LIGHT SOURCE - INSPECTION |
| No specific | 1 | MIRROR - INSPECTION |
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | AR | WARNING NOTICE(S) |
| 98D27803000000 | 1 | LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 570 | AFT SECTION OF L WING & TE FIXED STRUCT |
| 670 | AFT SECTION OF R WING & TE FIXED STRUCT |
| 531CB, 532CB, 533CB, 631CB, 632CB, 633CB | |
| 531AB, 531BB, 532AB, 532BB, 533AB, 533BB, 631AB, 631BB, 632AB, 632BB, 633AB, 633BB | |
| 531EB, 532EB, 533EB, 631EB, 632EB, 633EB |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 27-50-00-866-008-A | Extension of the Flaps on the Ground |
| TASK 27-50-00-866-008-A-01 | Extension of the Flaps/Slats on the Ground |
| 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 51-78-00-916-001-A | Application of Temporary Protection System (TPS) |
| TASK 57-55-11-000-001-A | Removal of the Flap Track Fairings Nos. 2, 3 and 4 |
| TASK 57-55-11-000-004-A | Removal of the Flap Track Fairings Nos. 2, 3 and 4 |
| TASK 57-55-11-400-001-A | Installation of the Flap Track Fairings Nos. 2, 3 and 4 |
| TASK 57-55-11-400-004-A | Installation of the Flap Track Fairings Nos. 2, 3 and 4 |
| SRM 572600 | (for corrective action) |
Subtask 57-26-00-941-064-A
A. Safety Precautions
(1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(2) Put the WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
Subtask 57-26-00-866-050-A (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(2) Put the WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
B. Aircraft Maintenance Configuration
(1) Fully extend the flaps (Ref. AMM TASK 27-50-00-866-008).
(2) Make sure that the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION is on the flap/slat control lever.
Subtask 57-26-00-865-050-A (1) Fully extend the flaps (Ref. AMM TASK 27-50-00-866-008).
(2) Make sure that the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION is on the flap/slat control lever.
C. Open, safety and tag this(these) circuit breaker(s):
Subtask 57-26-00-010-050-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1 | 6CV | B07 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1 | 6CV | B02 |
| ** ON A/C ALL | |||
| 121VU | FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2 | 8CV | Q21 |
D. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT) below the applicable flap track fairings, zones 531 (631) 532 (632) and 533 (633).
(2) Remove the applicable flap track fairing: (Ref. AMM TASK 57-55-11-000-001)
Subtask 57-26-00-010-050-B ** ON A/C NOT FOR ALL (1) Put the ACCESS PLATFORM 3M (10 FT) below the applicable flap track fairings, zones 531 (631) 532 (632) and 533 (633).
(2) Remove the applicable flap track fairing: (Ref. AMM TASK 57-55-11-000-001)
- for the flap track fairing No.2 remove the fairings: 531AB ( 631AB), 531BB ( 631BB) and 531CB ( 631CB)
- for the flap track fairing No.3 remove the fairings: 532AB ( 632AB), 532BB ( 632BB) and 532CB ( 632CB)
- for the flap track fairing No.4 remove the fairings: 533AB ( 633AB), 533BB ( 633BB) and 533CB ( 633CB).
D. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT) below the applicable flap track fairings, zones 531 (631) 532 (632) and 533 (633).
(2) Remove the applicable flap track fairing: (Ref. AMM TASK 57-55-11-000-004)
Subtask 57-26-00-110-050-A (1) Put the ACCESS PLATFORM 3M (10 FT) below the applicable flap track fairings, zones 531 (631) 532 (632) and 533 (633).
(2) Remove the applicable flap track fairing: (Ref. AMM TASK 57-55-11-000-004)
E. Preparation for Inspection
(1) Make sure that the inspection area is sufficiently clean to do the inspection of the area.
(2) Use a Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean:
4. Procedure(1) Make sure that the inspection area is sufficiently clean to do the inspection of the area.
(2) Use a Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean:
- the aft attachment of the flap track 2 on the wing bottom skin at the false rear spar
- the aft attachment fittings of the flap tracks 3 and 4 at the rear spar.
CAUTION:
BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:
Subtask 57-26-00-210-050-A - DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
- DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
- MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
A. Detailed Inspection of Outer Wing, Flap Track 2, Aft Attachment Fittings on Wing Bottom Skin at False Rear Spar and Flap Track 3 & 4 Aft Attachment Fittings at Rear Spar
(1) Examine the aft attachment fittings of the flap track 2 on the wing bottom skin at the false rear spar. Use a MIRROR - INSPECTION and a LIGHT SOURCE - INSPECTION to make sure that:
5. Close-up(1) Examine the aft attachment fittings of the flap track 2 on the wing bottom skin at the false rear spar. Use a MIRROR - INSPECTION and a LIGHT SOURCE - INSPECTION to make sure that:
- there is no corrosion
- there are no cracks
- the nuts and safety devices are in the correct condition
- the protective treatment is in the correct condition.
- there is no corrosion
- there are no cracks
- the nuts and safety devices are in the correct condition
- the protective treatment is in the correct condition.
NOTE: If necessary, refer to the SRM 572600 for the correct repair procedure.
Subtask 57-26-00-410-051-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) Install the applicable flap track fairing: (Ref. AMM TASK 57-55-11-400-001)
Subtask 57-26-00-410-051-B ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the applicable flap track fairing: (Ref. AMM TASK 57-55-11-400-001)
- for the flap track fairing No.2 install the fairings: 531AB ( 631AB), 531BB ( 631BB) and 531CB ( 631CB)
- for the flap track fairing No.3 install the fairings: 532AB ( 632AB), 532BB ( 632BB) and 532CB ( 632CB)
- for the flap track fairing No.4 install the fairings: 533AB ( 633AB), 533BB ( 633BB) and 533CB ( 633CB).
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the applicable flap track fairing: (Ref. AMM TASK 57-55-11-400-004)
Subtask 57-26-00-865-051-A (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the applicable flap track fairing: (Ref. AMM TASK 57-55-11-400-004)
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 57-26-00-866-051-A Subtask 57-26-00-942-051-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1 | 6CV | B07 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1 | 6CV | B02 |
| ** ON A/C ALL | |||
| 121VU | FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2 | 8CV | Q21 |
D. Removal of Equipment
(1) Remove the safety barriers.
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(1) Remove the safety barriers.
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
Flap Tracks 2, 3 and 4 - Aft Attachment Fittings