Detailed Inspection of Outer Wing, False Rear Spar, Forward Face, Lower Flange, between Rib 7 and Rib 9

TASK 57-51-00-200-010-A
Detailed Inspection of Outer Wing, False Rear Spar, Forward Face, Lower Flange, between Rib 7 and Rib 9

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: 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.

CAUTION: BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:

DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.

ZONE: 570
ZONE: 670

1. Reason for the Job
Refer to the MPD TASK: 575166-01

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	AR	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	FLASHLIGHT
No specific	AR	MIRROR - INSPECTION
No specific	AR	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
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
570	AFT SECTION OF L WING & TE FIXED STRUCT
670	AFT SECTION OF R WING & TE FIXED STRUCT
573BB, 573CB, 573DB, 573EB, 673BB, 673CB, 673DB, 673EB

D. Referenced Information

REFERENCE	DESIGNATION
SRM 575100	(for corrective action)
Outer Wing - False Rear Spar

3. Job Set-up
Subtask 57-51-00-941-072-A

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

Subtask 57-51-00-865-089-A

B. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B07
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21

Subtask 57-51-00-010-073-A

C. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE below the applicable wing at the false rear spar, zone 570(670).
(2) Remove the access panels:

for the left wing, remove 573BB 573CB 573DB 573EB
for the right wing, remove 673BB 673CB 673DB 673EB.

4. Procedure

CAUTION: BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:

DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.

Subtask 57-51-00-110-088-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 lower flange of the false rear spar forward face (RIB7 thru RIB9).

Subtask 57-51-00-210-062-A

B. Detailed Inspection of Outer Wing, False Rear Spar, Forward Face, Lower Flange, between Rib 7 and Rib 9
(1) Use a FLASHLIGHT and an MIRROR - INSPECTION and make a detailed visual inspection of the lower flange of the false rear spar forward face (RIB7 thru RIB9). Make sure that:

there is no damage
there are no cracks and/or scores
there is no corrosion
the surface protection is in the correct condition
no water has entered the wing structure.

NOTE: If necessary, refer to the SRM 575100 for the correct repair procedure.

5. Close-up
Subtask 57-51-00-410-074-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panels:

for the left wing, install 573BB 573CB 573DB 573EB
for the right wing, install 673BB 673CB 673DB 673EB.

Subtask 57-51-00-865-090-A

B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B07
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21

Subtask 57-51-00-942-073-A

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

[Rev.8 from Aug 2017] 2026.04.01 02:15:04 UTC