Deactivation of the Wing-Tip Fence

TASK 57-31-00-040-001-A
Deactivation of the Wing-Tip Fence

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

ZONE: 534
ZONE: 634

1. Reason for the Job
CDL 57-01
Wing Tip Fence
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 4M (13 FT)
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.05RAB9)	Adhesive Film Tape-- Aluminium Foil -
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
534	WING TIP
634	WING TIP

D. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 57-31-22-000-001-A	Removal of the Wing-Tip Fence
SRM 573122
TASK 57-31-21-000-001-A	Removal of the Wing-Tip Structure (for corrective action)
TASK 57-31-21-400-001-A	Installation of the Wing-Tip Structure (for corrective action)
TASK 57-31-22-000-001-A	Removal of the Wing-Tip Fence (for corrective action)
TASK 57-31-22-400-001-A	Installation of the Wing-Tip Fence (for corrective action)
Wing-Tip Fence Repairable Area ** ON A/C NOT FOR ALL
Wing-Tip Fence Repairable Area ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 57-31-00-860-050-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft electrical circuits are energized
(Ref. AMM TASK 24-41-00-861-002).

Subtask 57-31-00-941-051-A ** ON A/C NOT FOR ALL

B. Safety Precautions
(1) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.
(2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(3) Put WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
(4) Put an ACCESS PLATFORM 4M (13 FT) in position below the applicable wing-tip:

for the left wing, below zone 534
for the right wing, below zone 634.

Subtask 57-31-00-865-050-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
122VU	LIGHTING/EXT LT/NAV1/AND LOGO/LT	1LA	T03
** ON A/C NOT FOR ALL
122VU	LIGHTING/EXT LT/NAV2/AND LOGO/LT	2LA	T02
122VU	LIGHTING/WING/STROBE	10LV	V05
** ON A/C NOT FOR ALL
122VU	LIGHT/EXT LT NAV1/AND LOGO/LT	1LA	T03

4. Procedure
Subtask 57-31-00-110-050-A ** ON A/C NOT FOR ALL

A. Preparation for Deactivation
(1) Do an inspection of the component interfaces and the adjacent area.
(2) 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 damage.

Subtask 57-31-00-040-050-B ** ON A/C NOT FOR ALL

B. Deactivation of the Wing-tip Fence
(1) Examine the wing tip and the wing-tip fence.
(2) If the damage extends to the wing-tip, replace the wing-tip (Ref. AMM TASK 57-31-21-000-001) (Ref. AMM TASK 57-31-21-400-001) and the wing-tip fence (Ref. AMM TASK 57-31-22-000-001) (Ref. AMM TASK 57-31-22-400-001).
(3) If the damage is confined to the maximum area, do the steps that follow:

Wing-Tip Fence Repairable Area ** ON A/C NOT FOR ALL

(a) If necessary, remove sharp and/or badly damaged contours on the edges of the wing-tip fence SRM 573122.

NOTE: Damage to the structure that attaches the wing-tip fence to the wing-tip is not permitted.
Damage to the cast nose piece is not permitted.

(b) Apply a layer of Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) to temporarily repair the wing tip fence.
(4) If the damage is more than the maximum area, do the steps that follow:

Wing-Tip Fence Repairable Area ** ON A/C NOT FOR ALL

(a) Remove the wing-tip fence (Ref. AMM TASK 57-31-22-000-001).
(b) Apply a layer of Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) to cover the aircraft internal structure.
(5) Put a warning notice in the cockpit to tell persons that:

the wing-tip fence has been deactivated
the aircraft performance is decreased to the limits given in the CDL.

(6) Write down in the aircraft log that the wing-tip fence has been deactivated.

5. Close-up
Subtask 57-31-00-865-051-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
122VU	LIGHTING/EXT LT/NAV1/AND LOGO/LT	1LA	T03
** ON A/C NOT FOR ALL
122VU	LIGHTING/EXT LT/NAV2/AND LOGO/LT	2LA	T02
122VU	LIGHTING/WING/STROBE	10LV	V05
** ON A/C NOT FOR ALL
122VU	LIGHT/EXT LT NAV1/AND LOGO/LT	1LA	T03

Subtask 57-31-00-942-051-A ** ON A/C NOT FOR ALL

B. Removal of Equipment
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Remove the safety barriers.
(4) Remove the warning notices from the cockpit that tell persons not to operate the flaps or slats.
(5) Remove the 98D27803500001 LOCKING TOOL ZERO POS from the flap/slat control lever.
(6) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.01 04:12:40 UTC