Removal of the Lower Beacon/Strobe Light from the Fuselage Outside

TASK 33-48-12-000-001-A
Removal of the Lower Beacon/Strobe Light from the Fuselage Outside

WARNING: ISOLATE THE ELECTRICAL CIRCUITS FROM THE RELATED EQUIPMENT AND THE ENVIRONMENT.

ZONE: 190
FIN: 6LV

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	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	1	STEPLADDER 1.0 M (3.3 FT)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
190	BELLY FAIR, AIR CONDITIONING & HYD COMPT

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 53-35-13-000-001-A	Removal of the Belly Fairing Access Panels
Lower Beacon/Strobe Light ** ON A/C NOT FOR ALL
Lower Beacon/Strobe Light ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 33-48-12-861-053-A

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

Subtask 33-48-12-865-050-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
122VU	LIGHTING/EXT LT/BEACON/LOWER	5LV	U03

Subtask 33-48-12-869-050-A

C. Make sure that switch 2LV BEACON ON-OFF on overhead panel 25VU is in the OFF position.

Subtask 33-48-12-010-052-A

D. Get Access
(1) Put the STEPLADDER 1.0 M (3.3 FT) in position below the related panel.
(2) Remove the applicable belly-fairing access panel (Ref. AMM TASK 53-35-13-000-001).

4. Procedure
Subtask 33-48-12-020-051-B ** ON A/C NOT FOR ALL

A. Removal of the Lower Anti-Collision (Beacon) Light
(1) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
(2) Remove the screws (1) and (8) from the lens (2).
(3) Remove the lens (2) and the seal (3).
(4) Remove the screws (4) and (9) from the LED module (5).
(5) Lower the LED module (5) until you can see the electrical connector (6).

CAUTION: MAKE SURE THAT THE ELECTRICAL CONNECTORS ARE CLEAN BEFORE YOU DISCONNECT OR CONNECT THEM. CONTAMINATION ON THE ELECTRICAL CONNECTORS CAN CAUSE DAMAGE TO EQUIPMENT.

(6) Disconnect the electrical connector (6) from the LED module (5).
(7) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(8) Remove the LED module (5).
(9) Clean the surfaces of the fuselage around the lower anti-collision (beacon) light with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with warm soap solution.
(10) Use a Textile-Lint free Cotton - (Material No.14SBA1) and dry the surfaces around the lower anti-collision (beacon) light.
(11) Record the temporary repair of the lower anti-collision (beacon) light in the aircraft logbook.
(12) Keep circuit breaker 5LV open, safetied and tagged.

Subtask 33-48-12-020-051-C ** ON A/C NOT FOR ALL

A. Removal of Lower Beacon/Strobe Light 6LV
(1) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
(2) Remove the screws (4) and (6) from the lens (7).
(3) Remove the lens (7) and the seal (8).
(4) Remove the screws (3) and (10) from the mount plate (9).
(5) Lower the light assembly (2) until you can see the electrical connector (1).

CAUTION: MAKE SURE THAT THE ELECTRICAL CONNECTORS ARE CLEAN BEFORE YOU DISCONNECT OR CONNECT THEM. CONTAMINATION ON THE ELECTRICAL CONNECTORS CAN CAUSE DAMAGE TO EQUIPMENT.

(6) Disconnect the electrical connector (1) from the light assembly (2).
(7) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(8) Remove the light assembly (2) with the seal (11).

[Rev.10 from 2021] 2026.04.01 00:56:27 UTC