Detailed Visual Inspection of Outer Wing Trailing Edge Spoilers 1, 2, 3, 4 and 5 Hinge Pins

TASK 57-51-00-210-002-A
Detailed Visual Inspection of Outer Wing Trailing Edge Spoilers 1, 2, 3, 4 and 5 Hinge Pins

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: 575106-03
DETAILED INSPECTION OF OUTER WING TRAILING EDGE SPOILERS 1,2,3,4 AND 5 HINGE PINS
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE
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
570	AFT SECTION OF L WING & TE FIXED STRUCT
670	AFT SECTION OF R WING & TE FIXED STRUCT
573CB, 575BB, 575DB, 575EB, 575GB, 673CB, 675BB, 675DB, 675EB, 675GB

D. Referenced Information

REFERENCE	DESIGNATION
TASK 27-64-41-000-001-A	Removal of the Spoiler 1
TASK 27-64-41-400-001-A	Installation of the Spoiler 1
TASK 27-64-42-000-001-A	Removal of the Spoiler 2
TASK 27-64-42-400-001-A	Installation of the Spoiler 2
TASK 27-64-43-000-001-A	Removal of the Spoiler 3
TASK 27-64-43-400-001-A	Installation of the Spoiler 3
TASK 27-64-44-000-001-A	Removal of Spoiler 4
TASK 27-64-44-400-001-A	Installation of Spoiler 4
TASK 27-64-45-000-001-A	Removal of the Spoiler 5
TASK 27-64-45-400-001-A	Installation of the Spoiler 5
TASK 57-51-37-000-002-A	Removal of the Access Panels 571AB(671AB), 573AB(673AB), 573BB(673BB), 573CB(673CB), 573EB(673EB)
TASK 57-51-37-000-004-A	Removal of the Access Panels 575AB(675AB), 575BB(675BB), 575CB(675CB), 575DB(675DB), 575EB(675EB), 575FB(675FB), 575GB(675GB), 575HB(675HB)
TASK 57-51-37-400-002-A	Installation of the Access Panels 571AB(671AB), 573AB(673AB), 573BB(673BB), 573CB(673CB), 573EB(673EB)
TASK 57-51-37-400-004-A	Installation of the Access Panels 575AB(675AB), 575BB(675BB), 575CB(675CB), 575DB(675DB), 575EB(675EB), 575FB(675FB), 575GB(675GB), 575HB(675HB)
SRM 575100	(for corrective action)
Spoiler Hinge Pins

3. Job Set-up

NOTE: During this procedure, you will remove the two inner hinge pins only for each spoiler. It is not necessary to remove the outer hinge pins.

Subtask 57-51-00-941-079-A

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

Subtask 57-51-00-010-080-A

B. Get Access
(1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE below the applicable trailing edge, zones 574(674)/575(675).
(2) Remove the applicable access panels:
(a) for the left wing, remove:

(b) for the right wing, remove:

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 57-51-00-020-080-A

A. Remove the hinge pins
(1) Remove the two applicable inner hinge pins:

for the spoiler 1 (Ref. AMM TASK 27-64-41-000-001)
for the spoiler 2 (Ref. AMM TASK 27-64-42-000-001)
for the spoiler 3 (Ref. AMM TASK 27-64-43-000-001)
for the spoiler 4 (Ref. AMM TASK 27-64-44-000-001)
for the spoiler 5 (Ref. AMM TASK 27-64-45-000-001).

Subtask 57-51-00-110-089-A

B. 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 two inner hinge pins.

Subtask 57-51-00-210-071-A

C. Detailed Visual Inspection of Outer Wing Trailing Edge Spoilers 1, 2, 3, 4 and 5 Hinge Pins
(1) Examine the two inner hinge pins for:

corrosion
damage
scratches and/or scores
correct condition of the protective finish.

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

Subtask 57-51-00-420-078-A

D. Install the Hinge Pin
(1) Install the two applicable inner hinge pins:

for the spoiler 1 (Ref. AMM TASK 27-64-41-400-001)
for the spoiler 2 (Ref. AMM TASK 27-64-42-400-001)
for the spoiler 3 (Ref. AMM TASK 27-64-43-400-001)
for the spoiler 4 (Ref. AMM TASK 27-64-44-400-001)
for the spoiler 5 (Ref. AMM TASK 27-64-45-400-001).

5. Close-up
Subtask 57-51-00-410-081-A

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 57-51-00-942-079-A

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

[Rev.10 from 2021] 2026.04.02 06:31:10 UTC