Detailed Inspection of Outer Wing, Front Spar, Forward Face between RIB 22 and RIB 27, including all Cutouts
TASK 57-21-00-200-007-A
Detailed Inspection of Outer Wing, Front Spar, Forward Face between RIB 22 and RIB 27, including all Cutouts
Refer to the MPD TASK: 572106-01
DETAILED INSPECTION OF OUTER WING, FRONT SPAR, FORWARD FACE BETWEEN RIB 22 AND RIB 27, INCLUDING ALL CUTOUTS.
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 57-21-00-941-057-A
Subtask 57-21-00-110-056-A
Subtask 57-21-00-410-055-A
[Rev.10 from 2021]
2026.04.01 02:10:09 UTC
Detailed Inspection of Outer Wing, Front Spar, Forward Face between RIB 22 and RIB 27, including all Cutouts
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:
1. Reason for the Job- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
Refer to the MPD TASK: 572106-01
DETAILED INSPECTION OF OUTER WING, FRONT SPAR, FORWARD FACE BETWEEN RIB 22 AND RIB 27, INCLUDING ALL CUTOUTS.
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 | AR | ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE |
| 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 |
|---|---|
| 522 | OUTBOARD FIXED L.E STRUCTURE |
| 622 | OUTBOARD FIXED L.E STRUCTURE |
| 522QB, 522SB, 522UB, 622QB, 622SB, 622UB |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 27-00-00-080-002-A | Removal of the Flap/Slat Control-Lever Locking Tool (98D27803000000) |
| TASK 27-00-00-480-002-A | Installation of the Flap/Slat Control-Lever Locking Tool (98D27803000000) |
| TASK 27-80-00-866-004-A | Extending the Slats on the Ground |
| TASK 27-80-00-866-005-A | Retracting the Slats on the Ground |
| SRM 572100 | (for corrective action) |
Subtask 57-21-00-941-057-A
A. Safety Precautions
(1) Put WARNING NOTICE(S) in the cockpit to tell persons not to move the slats or flaps.
(2) Put the SAFETY BARRIER(S) in position.
Subtask 57-21-00-860-051-A (1) Put WARNING NOTICE(S) in the cockpit to tell persons not to move the slats or flaps.
(2) Put the SAFETY BARRIER(S) in position.
B. Aircraft Maintenance Configuration
(1) Fully extend the slats (Ref. AMM TASK 27-80-00-866-004).
(2) Install the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the slat/flap control lever (Ref. AMM TASK 27-00-00-480-002).
Subtask 57-21-00-865-062-A (1) Fully extend the slats (Ref. AMM TASK 27-80-00-866-004).
(2) Install the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the slat/flap control lever (Ref. AMM TASK 27-00-00-480-002).
C. Open, safety and tag this(these) circuit breaker(s):
Subtask 57-21-00-010-055-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B06 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B01 |
| ** ON A/C ALL | |||
| 121VU | FLIGHT CONTROLS/SLT/CTL/SYS2 | 7CV | R21 |
D. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the wing leading edge, zone 522 (622).
(2) Remove the applicable access panels:
4. Procedure(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the wing leading edge, zone 522 (622).
(2) Remove the applicable access panels:
Subtask 57-21-00-110-056-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 forward face of the front spar and all cutouts (RIB22 thru RIB27).
Subtask 57-21-00-210-061-A (1) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean the forward face of the front spar and all cutouts (RIB22 thru RIB27).
B. Detailed Inspection of Outer Wing, Front Spar, Forward Face between RIB 22 and RIB 27, including all Cutouts
(1) Examine the applicable inspection area. Make sure that:
5. Close-up(1) Examine the applicable inspection area. 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.
Subtask 57-21-00-410-055-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:
Subtask 57-21-00-865-063-A (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the applicable access panels:
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 57-21-00-866-059-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B06 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B01 |
| ** ON A/C ALL | |||
| 121VU | FLIGHT CONTROLS/SLT/CTL/SYS2 | 7CV | R21 |
C. Aircraft Configuration
(2) Retract the slats (Ref. AMM TASK 27-80-00-866-005).
Subtask 57-21-00-942-056-A WARNING:
MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
(1) Remove the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION from the flap/slat control lever. (Ref. AMM TASK 27-00-00-080-002)(2) Retract the slats (Ref. AMM TASK 27-80-00-866-005).
D. Removal of Equipment
(1) Remove the safety barriers.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(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 access platform(s).
(3) Remove the WARNING NOTICE(S).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
Details of the Outer Wing Front Spar Fwd Face, RIBS 22 thru 27