Installation of the Wingtip Navigation Light

TASK 33-41-11-400-001-A
Installation of the Wingtip Navigation Light

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.

FIN: 10LA ** ON A/C NOT FOR ALL
FIN: 9LA ** ON A/C NOT FOR ALL

1. Reason for the Job
Self explanatory
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	WARNING NOTICE(S)

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. Referenced Information

REFERENCE	DESIGNATION
TASK 20-28-00-912-802-A	Electrical Bonding - General Maintenance Procedure
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 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 33-41-00-710-001-A	Operational Test of the Navigation Lights
TASK 57-37-12-000-802-A	Removal of the Navigation-Light Glazing Panel
TASK 57-37-12-400-802-A	Installation of the Navigation-Light Glazing Panel
Wingtip Navigation Light with Halogen Lamp ** ON A/C NOT FOR ALL
Wingtip Navigation Light with LED Lamp ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 33-41-11-941-053-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Make sure that the SAFETY BARRIER(S) are in position.
(2) Make sure that the WARNING NOTICE(S) is on the panel 25VU to tell persons not to operate the strobe lights or the navigation lights.

Subtask 33-41-11-860-050-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Make sure that the ACCESS PLATFORM 4M (13 FT) is in position below the applicable zone 534 or 634.
(2) Make sure that the navigation light glazing panel (1) has been removed (Ref. AMM TASK 57-37-12-000-802).

4. Procedure
Subtask 33-41-11-420-053-A ** ON A/C NOT FOR ALL

A. Preparation for Installation
(1) Clean the component interface and/or the adjacent area with a clean Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(2) Make sure that the parts retained from the removed component are clean and in the correct condition.
(3) Do an inspection of the component interfaces and the adjacent area.
(4) Make sure the electrical connector is in the correct condition.

Subtask 33-41-11-420-052-B ** ON A/C NOT FOR ALL

B. Installation of the Wingtip Navigation Light with Halogen Lamp

CAUTION: DO NOT TOUCH THE LAMP GLASS WITH YOUR FINGERS. THE OILS FROM YOUR SKIN WILL QUICKLY CAUSE DETERIORATION OF THE LAMP. IF YOU ACCIDENTALLY TOUCH THE LAMP GLASS, CLEAN IT WITH A LINT-FREE CLOTH.

(1) Remove the blanking cap from the electrical connector (2).
(2) Put the navigation light (3) in position and connect the electrical connector (2).
(3) Install the navigation light (3) with the washers (4) and the bolts (5), (Ref. AMM TASK 20-28-00-912-802).

Subtask 33-41-11-420-059-A ** ON A/C NOT FOR ALL

C. Installation of the Wingtip Navigation Light with LED Lamp

(1) Remove the blanking cap from the electrical connector (2).
(2) Clean the electrical connector (2) with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(3) Put the navigation light (3) in position and connect the electrical connector (2).
(4) Apply a continuous layer of Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) to the electrical connector (2).
(5) Install the navigation light (3) with the washers (4) and the bolts (5), (Ref. AMM TASK 20-28-00-912-802).

Subtask 33-41-11-861-050-A ** ON A/C NOT FOR ALL

D. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).

Subtask 33-41-11-865-051-A ** ON A/C NOT FOR ALL

E. 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 33-41-11-710-050-A ** ON A/C NOT FOR ALL

F. Test
(1) Do an operational test of the navigation lights (Ref. AMM TASK 33-41-00-710-001).

5. Close-up
Subtask 33-41-11-862-050-A ** ON A/C NOT FOR ALL

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

Subtask 33-41-11-410-050-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the wingtip glazing panel (1) (Ref. AMM TASK 57-37-12-400-802).

Subtask 33-41-11-942-050-A ** ON A/C NOT FOR ALL

C. Removal of Equipment
(1) Remove the safety barriers.
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.01 05:54:33 UTC