Special Detailed Inspection (ROTO) of Center Wing Box, Lower Panel System Holes at Bonding Location between STIF13 and STIF14 at Y=+/- 765, LH/RH

TASK 57-10-00-250-803-A
Special Detailed Inspection (ROTO) of Center Wing Box, Lower Panel System Holes at Bonding Location between STIF13 and STIF14 at Y=+/- 765, 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: DO NOT GET FUEL IN YOUR MOUTH, EYES OR ON YOUR SKIN. DO NOT BREATHE THE FUMES FROM THE FUEL. KEEP THE FUEL AWAY FROM SPARKS, FLAME AND HEAT. FUEL IS POISONOUS AND FLAMMABLE, WHICH CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO 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

1. Reason for the Job
Refer to ALI TASK: 571210-01
SPECIAL DETAILED INSPECTION (ROTO) OF CENTRE WING BOX, LOWER PANEL SYSTEMS HOLES AT BONDING LOCATION BETWEEN STIF13 AND STIF14 AT Y=+/- 765, 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) - ADJUSTABLE
No specific	AR	FLASHLIGHT
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
147AZ, 148AZ, 195BB, 196BB

D. Referenced Information

REFERENCE	DESIGNATION
TASK 28-00-00-910-001-A	Fuel Safety Procedures
TASK 53-35-13-000-002-A	Removal of the Quick-Release Access Panels from the Belly Fairing Structure
TASK 53-35-13-400-002-A	Installation of the Quick-Release Access Panels on the Belly Fairing Structure
TASK 57-17-11-000-001-A	Removal of Access Cover 147AZ(148AZ)
TASK 57-17-11-000-001-B	Removal of Access Cover 148AZ or/and the ACT-Equipment Support Door
TASK 57-17-11-400-001-A	Installation of Access Cover 147AZ(148AZ)
TASK 57-17-11-400-001-B	Installation of Access Cover 148AZ or/and the ACT-Equipment Support-Door
SRM 512300
SRM 512400
NTM 571210
SRM 511100	(for corrective action)
SRM 512200	(for corrective action)
Lower Panel System Holes at Bonding Location between STIF13 and STIF14 at Y=+/- 765

3. Job Set-up
Subtask 57-10-00-941-075-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 57-10-00-010-100-A

B. Get Access
(1) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position in zones 195 and 196.
(2) Open the access door 195BB and 196BB (Ref. AMM TASK 53-35-13-000-002).
(3) Remove access covers 147AZ and 148AZ (Ref. AMM TASK 57-17-11-000-001).

Subtask 57-10-00-110-088-A

C. Preparation for the Inspection Area

Lower Panel System Holes at Bonding Location between STIF13 and STIF14 at Y=+/- 765

(1) Make sure that the inspection area is sufficiently clean to do a satisfactory inspection of the area.
(2) 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) .
(3) Remove the sealant and/or paint from the inspection area if this is necessary for Non-destructive Testing Manual (NTM) task.
(4) Use a FLASHLIGHT for the inspection, if necessary.

4. Procedure
Subtask 57-10-00-250-061-A

A. Inspection

Lower Panel System Holes at Bonding Location between STIF13 and STIF14 at Y=+/- 765

(1) Do a special detailed inspection (ROTO) of the lower panel system holes of the center wing box for damage or discontinuities. This inspection includes the area between stiffener 13 and stiffener 14. Do this inspection on the left and right sides. Refer to the Non-destructive Testing Manual ( NTM 571210).
(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 damage types, classification and corrective action.

5. Close-up
Subtask 57-10-00-390-059-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 57-10-00-410-101-A

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install access covers 147AZ and 148AZ (Ref. AMM TASK 57-17-11-400-001).
(3) Close the access door 195BB and 196BB (Ref. AMM TASK 53-35-13-400-002).
(4) Remove the access platform(s).
(5) Remove the WARNING NOTICE(S).
(6) Remove the 98D27803500001 LOCKING TOOL ZERO POS from the flap/slat control lever.

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