Detailed Inspection of Outer Wing Box, Outboard Surface of RIB 1 and Upper Surface of Triform Fitting, between Front Spar and Rear Spar

TASK 57-10-00-200-022-A
Detailed Inspection of Outer Wing Box, Outboard Surface of RIB 1 and Upper Surface of Triform Fitting, between Front Spar and Rear Spar

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: MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR 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: 540
ZONE: 640

1. Reason for the Job
Refer to the MPD TASK: 571199-01
DETAILED INSPECTION OF OUTER WING BOX, OUTBOARD SURFACE OF RIB 1 AND UPPER SURFACE OF TRIFORM FITTING, BETWEEN FRONT SPAR AND REAR SPAR

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

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

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	1	FLASHLIGHT
No specific	AR	WARNING NOTICE(S)
98D27803500001	1	LOCKING TOOL ZERO POS
98D57004013000	2	HOOK-COVER (RIB 2 SURGE DOORS)
98D57004014000	2	HOOK-COVER (RIB2-SURGE DOORS)

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
540	FUEL TANK
640	FUEL TANK
540AB, 540AZ, 540BZ, 640AB, 640AZ, 640BZ

D. Referenced Information

REFERENCE	DESIGNATION
TASK 28-00-00-910-001-A	Fuel Safety Procedures
TASK 28-10-00-910-001-A	Safety Procedures When You Do Work in a Fuel Tank
TASK 57-27-11-000-001-A	Removal of the Access Panel
TASK 57-27-11-400-001-A	Installation of the Access Panel
SRM 511100	(for corrective action)
SRM 512200	(for corrective action)
RIB1 - Left and Right Sides - Outboard Surface

3. Job Set-up
Subtask 57-10-00-941-070-A

A. Safety Precautions

WARNING: OBEY THE FUEL SAFETY PROCEDURES.

(1) Obey the fuel safety precautions (Ref. AMM TASK 28-00-00-910-001) and (Ref. AMM TASK 28-10-00-910-001).
(2) Put WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
(3) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.

Subtask 57-10-00-010-069-A

B. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the access panels 540AB and 640AB.
(2) Remove the access panels
(Ref. AMM TASK 57-27-11-000-001):
(a) For the left wing: 540AB
(b) For the right wing: 640AB.
(3) Open the RIB2 surge doors:
(a) For the left wing: 540AZ 540BZ
(b) For the right wing: 640AZ 640BZ.
(4) Install the 98D57004013000 HOOK-COVER (RIB 2 SURGE DOORS) on the forward surge doors.
(5) Install the 98D57004014000 HOOK-COVER (RIB2-SURGE DOORS) on the aft surge doors.
(6) Use a FLASHLIGHT if necessary.

Subtask 57-10-00-110-062-A

C. Preparation of the Inspection Area
(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 a Textile-Lint free Cotton - (Material No.14SBA1) .

4. Procedure
Subtask 57-10-00-220-062-A

A. Inspection

RIB1 - Left and Right Sides - Outboard Surface

(1) Do a detailed inspection of:

The outboard surface of RIB1
The top surface of the triform fitting of the outer wing box.

This inspection is applicable between the front spar and the rear spar.
(2) Make sure that there is no:
(a) Corrosion damage:

If you find corrosion damage, refer to Structural Repair Manual SRM 512200 for types of corrosion, inspection, removal and corrosion protection.

(b) Other damage (scratches, cracks, gouges, dents, creases):

If you find this type of damage, refer to Structural Repair Manual SRM 511100 for damage classification and corrective action.

5. Close-up
Subtask 57-10-00-410-068-A

A. Close Access
(1) Remove the 98D57004013000 HOOK-COVER (RIB 2 SURGE DOORS) on the forward surge doors.
(2) Remove the 98D57004014000 HOOK-COVER (RIB2-SURGE DOORS) on the aft surge doors.
(3) Close the RIB2 surge doors:
(a) For the left wing: 540AZ 540BZ
(b) For the right wing: 640AZ 640BZ.
(4) Install the access panels
(Ref. AMM TASK 57-27-11-400-001):
(a) For the left wing: 540AB
(b) For the right wing: 640AB.

Subtask 57-10-00-942-079-A

B. Put the aircraft back to its initial configuration.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).

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