Restoration of the Aircraft for Flight after Damage to Flap-Track Fairing Seals

TASK 57-55-00-440-004-A
Restoration of the Aircraft for Flight after Damage to Flap-Track Fairing Seals

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: 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.

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: 531
ZONE: 532
ZONE: 533
ZONE: 631
ZONE: 632
ZONE: 633

1. Reason for the Job
CDL 27-14
Flap Track Moveable Fairing Seal
CDL 27-15
Flap Track Fixed Fairing seal
Refer to the CDL TASK: 27-15
Flap Track Fixed Fairing Seal
(old CDL reference: 27-13)
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	SAFETY BARRIER(S)
No specific	AR	WARNING NOTICE(S)
98D27803500001	1	LOCKING TOOL ZERO POS

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
531	FLAP TRACK 2 FAIRING
532	FLAP TRACK 3 FAIRING
533	FLAP TRACK 4 FAIRING
631	FLAP TRACK 2 FAIRING
632	FLAP TRACK 3 FAIRING
633	FLAP TRACK 4 FAIRING

C. Referenced Information

REFERENCE	DESIGNATION
TASK 27-50-00-866-009-A	Retraction of the Flaps on the Ground
TASK 27-50-00-866-009-A-01	Retraction of the Flaps/Slats on the Ground
TASK 57-55-11-000-001-A	Removal of the Flap Track Fairings Nos. 2, 3 and 4
TASK 57-55-11-000-004-A	Removal of the Flap Track Fairings Nos. 2, 3 and 4
TASK 57-55-11-400-001-A	Installation of the Flap Track Fairings Nos. 2, 3 and 4
TASK 57-55-11-400-004-A	Installation of the Flap Track Fairings Nos. 2, 3 and 4
TASK 57-55-11-960-801-A	Replacement of the Flap-Track Fairing Seals
Flap-Track Fairing Seals on Flap-Tracks 2 thru 4 - Location and Detail ** ON A/C NOT FOR ALL
Flap-Track Fairing Seals on Flap-Tracks 2 thru 4 - Location and Detail ** ON A/C NOT FOR ALL
Flap-Track Fairing Seals on Flap-Tracks 2 thru 4 - Location and Detail ** ON A/C NOT FOR ALL
Flap-Track Fairing Seals on Flap-Tracks 2 thru 4 - Location and Detail ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 57-55-00-941-057-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.

Subtask 57-55-00-860-055-A

B. Aircraft Maintenance Configuration
(1) Make sure that the flaps are fully retracted (Ref. AMM TASK 27-50-00-866-009).
(2) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.

Subtask 57-55-00-865-064-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B07
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B02
** ON A/C ALL
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21

Subtask 57-55-00-010-052-A

D. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE below the applicable flap track 2, 3 or 4, zone 531(631), 532(632) or 533(633).

4. Procedure
Subtask 57-55-00-440-052-A ** ON A/C NOT FOR ALL

A. Restoration of the Aircraft for Flight after Damage to the Flap-Track Fairing Seals

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.

(1) Remove the applicable damaged fairing (Ref. AMM TASK 57-55-11-000-001).
(2) Remove and replace the applicable damaged seal (Ref. AMM TASK 57-55-11-960-801).
(3) Install the applicable repaired fairing (Ref. AMM TASK 57-55-11-400-001).
(4) Make a note in the aircraft log that the seals have been replaced.

Subtask 57-55-00-440-052-B ** ON A/C NOT FOR ALL

A. Restoration of the Aircraft for Flight after Damage to the Flap-Track Fairing Seals

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.

(1) Remove the applicable damaged fairing (Ref. AMM TASK 57-55-11-000-004).
(2) Remove and replace the applicable damaged seal (Ref. AMM TASK 57-55-11-960-801).
(3) Install the applicable repaired fairing (Ref. AMM TASK 57-55-11-400-004).
(4) Make a note in the aircraft log that the seals have been replaced.

5. Close-up
Subtask 57-55-00-410-051-A

A. Close Access
(1) Remove the access platform(s).

Subtask 57-55-00-865-065-A

B. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B07
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B02
** ON A/C ALL
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21

Subtask 57-55-00-942-055-A

C. Removal of Equipment
(1) Make sure that the work area is clean and clear of tools and other items.
(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.10 from 2021] 2026.04.02 06:31:25 UTC