Special Detailed Inspection (US) of Outer Wing, Bottom Skin, Lower Surface at Drain Holes For Track Cans 1-4 (Rib Bays 1-2, 2-3, 4-5, 5-6), Dry Bay Drain ...
TASK 57-41-00-280-802-A
Special Detailed Inspection (US) of Outer Wing, Bottom Skin, Lower Surface at Drain Holes For Track Cans 1-4 (Rib Bays 1-2, 2-3, 4-5, 5-6), Dry Bay Drain ...
Refer to the MPD TASK: 572049-05
SPECIAL DETAILED INSPECTION (HFEC AND US) OF OUTER WING, BOTTOM SKIN, LOWER SURFACE AT DRAIN HOLES FOR TRACK CANS, 1,2,3,& 4 (RIB BAYS 1-2, 2-3, 4-5, 5-6); DRY BAY DRAIN HOLE IN RIB BAY 6-7; MAGNETIC LEVEL INDICATOR HOLE ADJACENT TO RIB 6; MLG PICK UP RAIL HOLE FORWARD OF REAR SPAR INBOARD OF RIB 5.
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 57-41-00-941-074-A
Subtask 57-41-00-110-070-A
Subtask 57-41-00-410-059-A
[Rev.10 from 2021]
2026.04.02 06:30:59 UTC
Special Detailed Inspection (US) of Outer Wing, Bottom Skin, Lower Surface at Drain Holes For Track Cans 1-4 (Rib Bays 1-2, 2-3, 4-5, 5-6), Dry Bay Drain ...
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: 572049-05
SPECIAL DETAILED INSPECTION (HFEC AND US) OF OUTER WING, BOTTOM SKIN, LOWER SURFACE AT DRAIN HOLES FOR TRACK CANS, 1,2,3,& 4 (RIB BAYS 1-2, 2-3, 4-5, 5-6); DRY BAY DRAIN HOLE IN RIB BAY 6-7; MAGNETIC LEVEL INDICATOR HOLE ADJACENT TO RIB 6; MLG PICK UP RAIL HOLE FORWARD OF REAR SPAR INBOARD OF RIB 5.
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)- ADJUSTABLE |
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| 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 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 28-00-00-910-001-A | Fuel Safety Procedures |
| NTM 572049 | |
| SRM 572100 | (for corrective action) |
Subtask 57-41-00-941-074-A
A. Safety Precautions
(2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(3) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.
(4) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
Subtask 57-41-00-865-098-A WARNING:
OBEY THE FUEL SAFETY PROCEDURES.
(1) Obey the fuel safety procedures (Ref. AMM TASK 28-00-00-910-001). (2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(3) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.
(4) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
B. Open, safety and tag this(these) circuit breaker(s):
Subtask 57-41-00-010-061-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. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the applicable drain hole, zone 540(640).
4. Procedure(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the applicable drain hole, zone 540(640).
Subtask 57-41-00-110-070-A
A. Preparation for Inspection
(1) Use a Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean the applicable inspection area.
Subtask 57-41-00-280-053-A (1) Use a Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean the applicable inspection area.
B. Special Detailed Inspection (US) of Bottom Skin Lower Surface at Drain Holes for Track Cans 1-4 (RIBS 1-2, 2-3, 4-5 and 5-6); Water Drain Hole (RIB 1-2); Dry Bay Drain Hole (RIB 6-7); MLI Hole Adjacent to RIB 6; MLG Pick-Up Rail Hole Forward of Rear Spar, Inboard of RIB 5
(1) Do a special detailed inspection of the applicable inspection area NTM 572049.
5. Close-up(1) Do a special detailed inspection of the applicable inspection area NTM 572049.
NOTE: If necessary, refer to the SRM 572100 for the correct repair procedure.
Subtask 57-41-00-410-059-A
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
Subtask 57-41-00-865-099-A (1) Make sure that the work area is clean and clear of tools and other items.
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 57-41-00-942-079-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. Removal of Equipment
(1) Remove the WARNING NOTICE(S).
(2) Remove the access platform(s).
(3) Remove the 98D27803500001 LOCKING TOOL ZERO POS from the flap/slat control lever.
(4) Remove the safety barriers.
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(1) Remove the WARNING NOTICE(S).
(2) Remove the access platform(s).
(3) Remove the 98D27803500001 LOCKING TOOL ZERO POS from the flap/slat control lever.
(4) Remove the safety barriers.
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
Slat-Track Cans 1 thru 4 Drain-Holes and Dry Bay Drain-Hole