Detailed Inspection of Center Wing Box, Bottom Skin Lower Surface, from Stringer 11 to Stringer 15, between Y=+/-1292, as far as visible

TASK 57-10-00-200-013-A
Detailed Inspection of Center Wing Box, Bottom Skin Lower Surface, from Stringer 11 to Stringer 15, between Y=+/-1292, as far as visible

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: 191
ZONE: 192
ZONE: 195
ZONE: 196

1. Reason for the Job
Refer to the MPD TASK: 571134-01
DETAILED INSPECTION OF CENTER WING BOX, BOTTOM SKIN LOWER SURFACE, FROM STRINGER 11 TO STRINGER 15, BETWEEN Y=+/-1292, AS FAR AS VISIBLE

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 2M (6 FT) - ADJUSTABLE
No specific	AR	FLASHLIGHT

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
191	AIR CONDITIONING COMPT AND FAIRINGS
192	AIR CONDITIONING COMPT AND FAIRINGS
195	HYDRAULIC COMPT AND FAIRINGS
196	HYDRAULIC COMPT AND FAIRINGS
191KB, 192KB, 195AB, 196AB

D. Referenced Information

REFERENCE	DESIGNATION
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
SRM 511100	(for corrective action)
SRM 512200	(for corrective action)
Center Wing Box - External Surface on the Bottom Face - Inspection Area

3. Job Set-up
Subtask 57-10-00-010-072-A

A. Get Access
(1) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position in zone 147 (148).
(2) Remove the quick-release access panels 191KB 192KB 195AB 196AB (Ref. AMM TASK 53-35-13-000-002).
(3) Use a FLASHLIGHT for the inspection.

Subtask 57-10-00-110-051-A

B. Cleaning of the Structure
(1) Clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and Textile-Lint free Cotton - (Material No.14SBA1) , if necessary.

4. Procedure
Subtask 57-10-00-220-054-A

A. Inspection

Center Wing Box - External Surface on the Bottom Face - Inspection Area

(1) Do a detailed inspection of the external structure of the center wing box from STGR11 to STGR15, between Y = +/- 1292.
(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 other damage, refer to Structural Repair Manual SRM 511100 for damage classification and corrective action.

5. Close-up
Subtask 57-10-00-410-070-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the quick-release access panels 191KB 192KB 195AB 196AB (Ref. AMM TASK 53-35-13-400-002).
(3) Remove the access platform(s).

[Rev.9 from 2019] 2026.04.02 06:30:32 UTC