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

TASK 57-55-00-040-004-A
Preparation of the Aircraft for Flight after Damage to Flap-Track Fairing Seals

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.

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. Consumable Materials

REFERENCE	DESIGNATION
(Material No.05RAB9)	Adhesive Film Tape-- Aluminium Foil -
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14SBA1)	Textile-Lint free Cotton -

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
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 57-55-00-941-056-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 57-55-00-860-054-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 57-55-00-865-062-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 57-55-00-010-051-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 57-55-00-040-053-A

A. Preparation 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) To cut the damaged movable fairing seals:

NOTE: Be careful not to damage the adjacent structure when you remove loose or damaged seal.

(a) Cut and remove loose or damaged pieces of the seal.

NOTE: No more than half the seal length on each fairing can be missing.

(b) Make sure there is no loose seal on the aircraft.
(c) Make a note in the aircraft log that the loose or damaged pieces of the seal has been removed.
(2) To repair damage to the fixed fairing seals:

NOTE: Be careful not to damage the adjacent structure when you remove loose or damaged seal.

(a) Cut and remove the loose or damaged pieces of the seal.
(b) Use a Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean the area around the removed seal.
(c) Apply the Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) to the area where the damaged seal has been removed.
(d) Apply the tape between the fairing and the bottom wing skin. Make sure that it gives the same seal effect as the initial seal.
(e) Make the tape smooth from the center to the edges to remove air bubbles and push the edges down tightly.

NOTE: When you cut the tape, make sure there are no cuts or overlaps in the direction of flight.

(f) Make a note in the aircraft log that the seal has been temporarily repaired.

5. Close-up
Subtask 57-55-00-410-050-A

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

Subtask 57-55-00-865-063-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 57-55-00-942-054-A

C. Removal of Equipment
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).
(3) Remove the safety barriers.
(4) 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