Special Detailed Inspection (HFEC) of Outer Wing, Trailing-Edge False Rear-Spar, Forward and Aft Faces

TASK 57-51-00-280-801-A
Special Detailed Inspection (HFEC) of Outer Wing, Trailing-Edge False Rear-Spar, Forward and Aft Faces

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

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: 575151-03

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)
No specific	AR	SAFETY BARRIER(S)
No specific	AR	WARNING NOTICE(S)

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
573AB, 573BB, 573CB, 574AB, 574BB, 673AB, 673BB, 673CB, 674AB, 674BB

D. Referenced Information

REFERENCE	DESIGNATION
TASK 57-51-37-000-002-A	Removal of the Access Panels 571AB(671AB), 573AB(673AB), 573BB(673BB), 573CB(673CB), 573EB(673EB)
TASK 57-51-37-400-002-A	Installation of the Access Panels 571AB(671AB), 573AB(673AB), 573BB(673BB), 573CB(673CB), 573EB(673EB)
NTM 575151
SRM 575100	(for corrective action)
Outer-Wing Trailing-Edge, False Rear Spar - Forward and Aft Faces

3. Job Set-up
Subtask 57-51-00-941-089-A

A. Safety Precautions
(1) Put a 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.

Subtask 57-51-00-865-118-A

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

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 57-51-00-010-093-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT) below the applicable wing trailing edge at the false rear spar, zone 574(674).
(2) Remove the applicable access panels (Ref. AMM TASK 57-51-37-000-002):

For the left wing, remove 573AB 573BB 573CB
For the right wing, remove 673AB 673BB 673CB.

(3) Open the applicable access panel:

For the left wing, open 574AB 574BB
For the right wing, open 674AB 674BB.

Subtask 57-51-00-010-093-B ** ON A/C NOT FOR ALL

C. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT) below the applicable wing trailing edge at the false rear spar, zone 574(674).
(2) Remove the applicable access panels:
(a) For the left wing, remove:

(b) For the right wing, remove:

4. Procedure
Subtask 57-51-00-110-097-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 inspection area.

Subtask 57-51-00-280-054-A

B. Special Detailed Inspection (HFEC) of Outer Wing, Trailing-Edge False Rear-Spar, Forward and Aft Faces
(1) Examine the applicable inspection area NTM 575151.

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

5. Close-up
Subtask 57-51-00-410-092-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the applicable access panels (Ref. AMM TASK 57-51-37-400-002):

For the left wing, install 573AB 573BB 573CB
For the right wing, install 673AB 673BB 673CB.

(3) Close the applicable access panel:

For the left wing, close 574AB 574BB
For the right wing, close 674AB 674BB.

Subtask 57-51-00-410-092-B ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the applicable access panels:
(a) For the left wing, install:

(b) For the right wing, install:

Subtask 57-51-00-865-119-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 57-51-00-942-090-A

C. Removal of Equipment
(1) Remove the SAFETY BARRIER(S).
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.8 from Aug 2017] 2026.04.01 02:15:06 UTC