Detailed Inspection of Outer Wing, Top Skin Upper Surface at Attachment to Front Spar and Rear Spar, between RIB 1 and RIB 8

TASK 57-20-00-220-001-A
Detailed Inspection of Outer Wing, Top Skin Upper Surface at Attachment to Front Spar and Rear Spar, between RIB 1 and RIB 8

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: 600

1. Reason for the Job
Refer to the MPD TASK: 572012-01
DETAILED INSPECTION OF OUTER WING, TOP SKIN UPPER SURFACE AT ATTACHMENT TO FRONT SPAR AND REAR SPAR, BETWEEN RIB 1 AND RIB 8

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)
No specific	AR	SAFETY BARRIER(S)
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
500	LEFT WING
600	RIGHT WING

D. Referenced Information

REFERENCE	DESIGNATION
TASK 12-00-00-481-002-A	Installation of the Wingrip
SRM 572100	(for corrective action)
Top View of the Wing Upper Skin - RIB1 thru RIB8

3. Job Set-up
Subtask 57-20-00-941-051-A

A. Safety Precautions
(1) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.
(2) Put WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
(3) Put the ACCESS PLATFORM 3M (10 FT) in position below zone 500(600).
(4) Put the SAFETY BARRIER(S) in position.
(5) Install the wing safety rope (Ref. AMM TASK 12-00-00-481-002).

4. Procedure
Subtask 57-20-00-110-052-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 wing top-skin at its joint between the front spar and the rear spar from RIB1 to RIB8.

Subtask 57-20-00-220-050-A

B. Detailed Inspection of Outer Wing, Top Skin Upper Surface at Attachment to Front Spar and Rear Spar, between RIB 1 and RIB 8
(1) Inspect the upper surface of the wing top-skin at its attachment to the front spar and the rear spar (between RIB 1 and RIB 8).
Make sure that:

there is no corrosion
there are no dents, burrs, scores or scratches
the rivets and fasteners are in the correct condition
the surface protection is not damaged or loose.

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

5. Close-up
Subtask 57-20-00-942-052-A

A. Removal of Equipment
(1) Remove the wing safety rope (Ref. AMM TASK 12-00-00-481-002).
(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] 2026.04.02 06:30:34 UTC