Apply Temporary Protection to End Fittings of Electrical Conduits in Wing Tip

TASK 24-92-00-210-005-A
Apply Temporary Protection to End Fittings of Electrical Conduits in Wing Tip

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.

WARNING: MAKE SURE THAT YOU OBEY ALL THE WARNINGS AND THE CAUTIONS INCLUDED IN THE REFERENCED PROCEDURES.

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
Refer to the MPD TASK: 240000-09
APPLY TEMPORARY PROTECTION TO END FITTINGS OF ELECTRICAL CONDUITS IN WING TIP
To apply temporary protection on the end fittings of the electrical conduits in the wing tip.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	BRUSH - BRISTLED
No specific	AR	SPRAY - BOTTLE, PUMP TYPE (NON AEROSOL)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.12ACB1)	Corrosion Preventive Compound-Heavy Duty Hard Film -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
534	WING TIP
634	WING TIP
534BB, 534CB, 634BB, 634CB
534AB, 634AB

D. Referenced Information

REFERENCE	DESIGNATION
TASK 12-34-24-869-002-A	Aircraft Grounding (Earthing) for the Maintenance Operations
TASK 12-34-24-869-002-A-01	Aircraft Grounding (Earthing) during Transit, Turnaround or Overnight Stop
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 33-41-11-000-001-A	Removal of the Wingtip Navigation Light
TASK 33-41-11-000-802-A	Removal of the Navigation Light - Sharklet
TASK 33-41-11-400-001-A	Installation of the Wingtip Navigation Light
TASK 33-41-11-400-802-A	Installation of the Navigation Light - Sharklet
TASK 33-48-14-000-001-A	Removal of the Strobe Light
TASK 33-48-14-000-802-A	Removal of the Strobe Light - Sharklet
TASK 33-48-14-400-001-A	Installation of the Strobe Light
TASK 33-48-14-400-802-A	Installation of the Strobe Light - Sharklet
TASK 57-31-23-000-802-A	Removal of the Sharklet Access Panels
TASK 57-31-23-400-802-A	Installation of the Sharklet Access Panels
ESPM 203330
TASK 57-39-00-00	MISCELLANEOUS - DESCRIPTION AND OPERATION
Electrical Conduits ** ON A/C NOT FOR ALL
Electrical Conduits ** ON A/C NOT FOR ALL
Typical Fittings
Location of the Electrical Conduit End-Fittings ** ON A/C NOT FOR ALL
Location of the Electrical Conduit End-Fittings ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 24-92-00-862-054-A

A. De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

Subtask 24-92-00-869-059-A

B. Connect the aircraft to the ground (Ref. AMM TASK 12-34-24-869-002).

Subtask 24-92-00-010-054-B ** ON A/C NOT FOR ALL

C. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at the wing tip.
(2) For the left wing:
(a) Remove access panel 534AB.
(3) For the right wing:
(a) Remove access panel 634AB.
(4) Remove wing-tip navigation light 9LA (10LA) (Ref. AMM TASK 33-41-11-000-001).
(5) Remove the sharklet strobe light (Ref. AMM TASK 33-48-14-000-001).

Subtask 24-92-00-010-054-C ** ON A/C NOT FOR ALL

C. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at the wing tip.
(2) For the left wing:
(a) Remove access panels 534BB and 534CB (Ref. AMM TASK 57-31-23-000-802).
(3) For the right wing:
(a) Remove access panels 634BB and 634CB (Ref. AMM TASK 57-31-23-000-802).
(4) Remove wing-tip navigation light 9LA (10LA) (Ref. AMM TASK 33-41-11-000-802).
(5) Remove the sharklet strobe light (Ref. AMM TASK 33-48-14-000-802).

4. Procedure
Subtask 24-92-00-210-054-A

A. Temporary Protection of the Electrical Conduits End-Fittings in the Wing Tip

Electrical Conduits ** ON A/C NOT FOR ALL

Typical Fittings

Location of the Electrical Conduit End-Fittings ** ON A/C NOT FOR ALL

WARNING: BE CAREFUL NOT TO CUT YOUR FINGERS. FLAKES OF NICKEL ARE SHARP.

(1) To prevent corrosion, do the steps that follow at each fitting:
(a) Remove contamination from the fitting with the Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(b) Remove the flakes or blisters and make sure that the you do not damage the base metal while you do this task.

NOTE: We recommend that you use a dental tool or a seal tool (non metallic) to remove the flakes and the blisters.

(c) Apply a continuous thin and smooth layer of Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) on all the fittings with the BRUSH - BRISTLED or the SPRAY - BOTTLE, PUMP TYPE (NON AEROSOL) ESPM 203330.

5. Close-up
Subtask 24-92-00-410-055-B ** ON A/C NOT FOR ALL

A. Close Access
(1) Install the sharklet strobe light (Ref. AMM TASK 33-48-14-400-001).
(2) Install wing-tip navigation light 9LA (10LA) (Ref. AMM TASK 33-41-11-400-001).
(3) Make sure that the work area is clean and clear of tools and other items.
(4) For the left wing:
(a) Install access panel 534AB.
(b) Make sure that access panel 534AB is installed with the drain holes in the inboard direction (Ref. AMM D/O 57-39-00-00).
(5) For the right wing:
(a) Install access panel 634AB.
(b) Make sure that access panel 634AB is installed with the drain holes in the inboard direction (Ref. AMM D/O 57-39-00-00).
(6) Disconnect the aircraft from the ground (Ref. AMM TASK 12-34-24-869-002).
(7) Remove the access platform(s).

Subtask 24-92-00-410-055-C ** ON A/C NOT FOR ALL

A. Close Access
(1) Install the sharklet strobe light (Ref. AMM TASK 33-48-14-400-802).
(2) Install wing-tip navigation light 9LA (10LA) (Ref. AMM TASK 33-41-11-400-802).
(3) Make sure that the work area is clean and clear of tools and other items.
(4) For the left wing:
(a) Install access panels 534BB and 534CB (Ref. AMM TASK 57-31-23-400-802).
(5) For the right wing:
(a) Install access panels 634BB and 634CB (Ref. AMM TASK 57-31-23-400-802).
(6) Disconnect the aircraft from the ground (Ref. AMM TASK 12-34-24-869-002).
(7) Remove the access platform(s).

[Rev.10 from 2021] 2026.03.31 23:25:43 UTC