General Visual Inspection of Outer Wing, Bottom Skin Lower Surfaces, around Access Door Cutouts in All Bays, between Rib 13 and Rib 27

TASK 57-21-00-210-001-A
General Visual Inspection of Outer Wing, Bottom Skin Lower Surfaces, around Access Door Cutouts in All Bays, between Rib 13 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.

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.

ZONE: 500
ZONE: 540
ZONE: 550
ZONE: 560
ZONE: 600
ZONE: 640
ZONE: 650
ZONE: 660

1. Reason for the Job
Refer to the MPD TASK: 572140-02
GENERAL VISUAL INSPECTION OF OUTER WING, BOTTOM SKIN LOWER SURFACES, AROUND ACCESS DOOR CUTOUTS IN ALL BAYS, BETWEEN RIB 13 AND RIB 27

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 Information
A. 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	1	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
500	LEFT WING
540	FUEL TANK
550	VENT SURGE TANK
560	DRY BAY (OUTBOARD)
600	RIGHT WING
640	FUEL TANK
650	VENT SURGE TANK
660	DRY BAY (OUTBOARD)

D. Referenced Information

REFERENCE	DESIGNATION
SRM 572100	(for corrective action)
Outer Wing, Bottom Skin Lower Surfaces, around Access Door Cutouts in All Bays, between Rib 13 and Rib 27

3. Job Set-up
Subtask 57-21-00-941-087-A

A. Safety Precautions
(1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(2) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.
(3) Put the WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps, the slats or the ailerons.

Subtask 57-21-00-010-078-A

B. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at the applicable zone 500(600), 540(640), 550(650), 560(660).

4. Procedure
Subtask 57-21-00-100-050-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 area for inspection.

Subtask 57-21-00-210-085-A

B. General Visual Inspection of Outer Wing, Bottom Skin Lower Surface, around Access Door Cutouts in All Bays, between Rib 13 and Rib 27
(1) Do an inspection and make sure that:

there is no damage
there are no cracks
there is no corrosion
the paint finish is in the correct condition.

NOTE: If necessary, refer to the SRM 572100 for the correct repair procedure.

5. Close-up
Subtask 57-21-00-942-085-A

A. Removal of Equipment
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the safety barriers.
(3) Remove the access platform(s).
(4) Remove the 98D27803500001 LOCKING TOOL ZERO POS from the flap/slat control lever.
(5) Remove the WARNING NOTICE(S).
(6) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.01 02:10:32 UTC