Special Detailed Inspection (US) of Center Wing Box and Outer Wing Box, Lower Splice and Panel between Stiffener 6 and FR 42, LH/RH

TASK 57-10-00-270-805-A
Special Detailed Inspection (US) of Center Wing Box and Outer Wing Box, Lower Splice and Panel between Stiffener 6 and FR 42, LH/RH

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.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

CAUTION: BEFORE YOU INSTALL/REMOVE THE GSE-TOOL, READ THE INSTRUCTIONS IN THE APPLICABLE GSE INSTRUCTION MANUAL. WHILE YOU OPERATE THIS TOOL, CAREFULLY OBEY THEM. IF YOU DO NOT OBEY THE INSTRUCTIONS, DAMAGE TO EQUIPMENT CAN OCCUR.

ZONE: 140
ZONE: 191
ZONE: 192
ZONE: 540
ZONE: 640

1. Reason for the Job
Refer to ALI TASK: 571204-02
SPECIAL DETAILED INSPECTION (US) OF CENTER WING BOX AND OUTER WING BOX, LOWER SPLICE AND PANEL BETWEEN STIFFENER 6 AND FR 42, LH/RH.

NOTE: The effectivity of this task is "ALL". To know if this task is applicable to your aircraft, refer to the MPD task applicability.
The information on weight variant groups is given in the MPD and SRM introductions.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 2M (6 FT)
No specific	AR	FLASHLIGHT
No specific	AR	MIRROR - INSPECTION
No specific	AR	WARNING NOTICE(S)
98D27803500001	1	LOCKING TOOL ZERO POS

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
140	CENTER WING
191	AIR CONDITIONING COMPT AND FAIRINGS
192	AIR CONDITIONING COMPT AND FAIRINGS
540	FUEL TANK
640	FUEL TANK
191LB, 192LB, 734, 744

D. Referenced Information

REFERENCE	DESIGNATION
TASK 28-00-00-910-001-A	Fuel Safety Procedures
TASK 32-12-00-010-001-A	Open the Main Gear Doors for Access
TASK 32-12-00-410-001-A	Close the Main Gear Doors after Access
TASK 53-35-11-000-001-A	Removal of the Wing-to-Fuselage Fairings
SRM 512300
SRM 512400
NTM 571204
SRM 511100	(for corrective action)
SRM 512200	(for corrective action)
Center Wing Box, Outer Wing Box, Lower Splice and Panel between Stringer 6 and FR42 ** ON A/C NOT FOR ALL
Center Wing Box, Outer Wing Box, Lower Splice and Panel between Stringer 6 and FR42 ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 57-10-00-941-076-A

A. Safety Precautions
(1) On FLAPS panel 114VU:
(a) Put the 98D27803500001 LOCKING TOOL ZERO POS in position on the flap/slat control lever.
(b) Put a WARNING NOTICE(S) on the flap/slat control lever to tell persons not to operate the flap/slat control lever.
(2) Obey the fuel safety precautions (Ref. AMM TASK 28-00-00-910-001).

Subtask 57-10-00-010-101-A

B. Get Access
(1) Open the Main Landing Gear (MLG) door 734 ( 744) (Ref. AMM TASK 32-12-00-010-001).
(2) Put an ACCESS PLATFORM 2M (6 FT) in position in zones 191 (192) and 540 (640).
(3) Remove the wing-to-fuselage fairings 191LB 192LB (Ref. AMM TASK 53-35-11-000-001).

Subtask 57-10-00-110-089-A

C. Preparation of the Inspection Area
(1) Remove the sealant and/or paint from the inspection area if this is necessary for the Non-destructive Testing Manual (NTM) task.
(2) Make sure that the inspection area is sufficiently clean to do a satisfactory inspection of the area.
(3) If it is not sufficiently clean, clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and Textile-Lint free Cotton - (Material No.14SBA1) .
(4) Use a FLASHLIGHT and a MIRROR - INSPECTION for the inspection, if necessary.

4. Procedure
Subtask 57-10-00-270-061-A

A. Inspection

Center Wing Box, Outer Wing Box, Lower Splice and Panel between Stringer 6 and FR42 ** ON A/C NOT FOR ALL

(1) Do a special detailed inspection (US) of the center wing box, outer wing box, lower splice and panel for damage and discontinuities. This inspection includes the area between stringer 6 and FR42. Do this inspection on the left and right sides. Refer to the Non-destructive Testing Manual ( NTM 571204).
(2) Make a report of the damage after the NTM inspection:
(a) Corrosion damage:

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.

5. Close-up
Subtask 57-10-00-390-060-A

A. Sealant or Paint Application
(1) If the NTM procedure asked to remove the sealant and/or paint from the inspection area, apply sealant (refer to SRM 512400) or paint (refer to SRM 512300) on the inspection area.

Subtask 57-10-00-410-102-A

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Close the Main Landing Gear (MLG) door 734 ( 744) (Ref. AMM TASK 32-12-00-410-001).
(4) Remove the 98D27803500001 LOCKING TOOL ZERO POS from the flap/slat control lever.
(5) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.02 06:30:32 UTC