Special Detailed Inspection (US) of Outer Wing, Front-Spar Aft Face, Between RIB 22 and RIB 27
TASK 57-21-00-280-801-A
Special Detailed Inspection (US) of Outer Wing, Front-Spar Aft Face, Between RIB 22 and RIB 27
Refer to the MPD TASK: 572109-03
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 57-21-00-941-103-A
Subtask 57-21-00-110-091-A
Subtask 57-21-00-410-087-A
[Rev.8 from Aug 2017]
2026.04.01 02:11:05 UTC
Special Detailed Inspection (US) of Outer Wing, Front-Spar Aft Face, Between RIB 22 and RIB 27
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.
1. Reason for the JobNOTE: 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 | 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 |
|---|---|
| 550 | VENT SURGE TANK |
| 560 | DRY BAY (OUTBOARD) |
| 650 | VENT SURGE TANK |
| 660 | DRY BAY (OUTBOARD) |
| 550AB, 550BB, 550CB, 550DB, 560AB, 650AB, 650BB, 650CB, 650DB, 660AB |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-11-28-650-003-A | Pressure Refuel with Automatic Control |
| TASK 28-10-00-910-001-A | Safety Procedures When You Do Work in a Fuel Tank |
| TASK 28-10-00-910-002-A | Access to the Fuel Tanks and the Work Areas |
| TASK 28-12-45-000-001-A | Removal of the Panel Assembly |
| TASK 28-12-45-400-002-A | Installation of the Panel Assembly |
| TASK 28-12-47-000-001-A | Removal of the NACA Vent Intake |
| TASK 28-12-47-400-001-A | Installation of the NACA Vent Intake |
| TASK 28-25-00-650-001-A | Pressure Defuel |
| TASK 28-25-00-650-003-A | To Drain Remaining Fuel from the Wing Tanks and the Center Tank |
| TASK 28-25-00-650-003-A-01 | To Drain Remaining Fuel from the Wing Tanks and the Center Tank |
| TASK 28-25-00-869-001-A | Fuel Transfer |
| TASK 57-27-11-000-002-A | Removal of the Access Panel |
| TASK 57-27-11-400-002-A | Installation of the Access Panel |
| NTM 572109 | |
| SRM 572100 | (for corrective action) |
Subtask 57-21-00-941-103-A
A. Safety Precautions
(2) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.
(3) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
(4) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
Subtask 57-21-00-650-092-A WARNING:
OBEY THE SAFETY PROCEDURES WHEN YOU DO WORK IN A FUEL TANK.
(1) You must obey the safety procedures when you do work in a fuel tank (Ref. AMM TASK 28-10-00-910-001). (2) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.
(3) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
(4) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
B. Fuel Configuration
(1) Defuel the applicable fuel tank (Ref. AMM TASK 28-25-00-650-001).
(2) Drain the remaining fuel from the applicable fuel tank (Ref. AMM TASK 28-25-00-650-003).
Subtask 57-21-00-010-095-A (1) Defuel the applicable fuel tank (Ref. AMM TASK 28-25-00-650-001).
(2) Drain the remaining fuel from the applicable fuel tank (Ref. AMM TASK 28-25-00-650-003).
C. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the vent surge tank, zones 550(650) and 560(660).
(2) Remove the applicable access panels (Ref. AMM TASK 28-12-47-000-001) (Ref. AMM TASK 28-12-45-000-001) (Ref. AMM TASK 57-27-11-000-002) and (Ref. AMM TASK 28-10-00-910-002):
4. Procedure(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the vent surge tank, zones 550(650) and 560(660).
(2) Remove the applicable access panels (Ref. AMM TASK 28-12-47-000-001) (Ref. AMM TASK 28-12-45-000-001) (Ref. AMM TASK 57-27-11-000-002) and (Ref. AMM TASK 28-10-00-910-002):
Subtask 57-21-00-110-091-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 applicable inspection area.
Subtask 57-21-00-280-054-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 applicable inspection area.
B. Special Detailed Inspection (US) of Outer Wing, Front Spar Aft Face, Between RIB 22 and RIB 27
(1) Examine the applicable inspection area NTM 572109.
5. Close-up(1) Examine the applicable inspection area NTM 572109.
NOTE: If necessary, refer to the SRM 572100 for the correct repair procedure.
Subtask 57-21-00-410-087-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 28-12-47-400-001), (Ref. AMM TASK 28-12-45-400-002) and (Ref. AMM TASK 57-27-11-400-002):
Subtask 57-21-00-650-093-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 28-12-47-400-001), (Ref. AMM TASK 28-12-45-400-002) and (Ref. AMM TASK 57-27-11-400-002):
B. Fuel Configuration
(1) Refuel (Ref. AMM TASK 12-11-28-650-003), defuel (Ref. AMM TASK 28-25-00-650-001) or transfer fuel (Ref. AMM TASK 28-25-00-869-001) as necessary.
Subtask 57-21-00-942-098-A (1) Refuel (Ref. AMM TASK 12-11-28-650-003), defuel (Ref. AMM TASK 28-25-00-650-001) or transfer fuel (Ref. AMM TASK 28-25-00-869-001) as necessary.
C. Removal of Equipment
(1) Remove the SAFETY BARRIER(S).
(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.
(1) Remove the SAFETY BARRIER(S).
(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.
Details of the Front-Spar Aft-Face (RIBS 22 thru 27)