Removal of the Underbin Light

TASK 33-21-21-000-001-B
Removal of the Underbin Light

ZONE: 200
FIN: 51LG210 ** ON A/C NOT FOR ALL
FIN: 51LG260 ** ON A/C NOT FOR ALL
FIN: 51LG300 ** ON A/C NOT FOR ALL
FIN: 51LG340 ** ON A/C NOT FOR ALL
FIN: 51LG353 ** ON A/C NOT FOR ALL
FIN: 51LG357 ** ON A/C NOT FOR ALL
FIN: 51LG380 ** ON A/C NOT FOR ALL
FIN: 51LG430 ** ON A/C NOT FOR ALL
FIN: 51LG470 ** ON A/C NOT FOR ALL
FIN: 51LG474 ** ON A/C NOT FOR ALL
FIN: 51LG480 ** ON A/C NOT FOR ALL
FIN: 51LG500 ** ON A/C NOT FOR ALL
FIN: 51LG510 ** ON A/C NOT FOR ALL
FIN: 51LG550 ** ON A/C NOT FOR ALL
FIN: 51LG590 ** ON A/C NOT FOR ALL
FIN: 51LG630 ** ON A/C NOT FOR ALL
FIN: 51LG660 ** ON A/C NOT FOR ALL
FIN: 52LG210 ** ON A/C NOT FOR ALL
FIN: 52LG260 ** ON A/C NOT FOR ALL
FIN: 52LG300 ** ON A/C NOT FOR ALL
FIN: 52LG340 ** ON A/C NOT FOR ALL
FIN: 52LG353 ** ON A/C NOT FOR ALL
FIN: 52LG357 ** ON A/C NOT FOR ALL
FIN: 52LG380 ** ON A/C NOT FOR ALL
FIN: 52LG430 ** ON A/C NOT FOR ALL
FIN: 52LG470 ** ON A/C NOT FOR ALL
FIN: 52LG474 ** ON A/C NOT FOR ALL
FIN: 52LG480 ** ON A/C NOT FOR ALL
FIN: 52LG500 ** ON A/C NOT FOR ALL
FIN: 52LG510 ** ON A/C NOT FOR ALL
FIN: 52LG550 ** ON A/C NOT FOR ALL
FIN: 52LG590 ** ON A/C NOT FOR ALL
FIN: 52LG630 ** ON A/C NOT FOR ALL
FIN: 52LG660 ** 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	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

C. Referenced Information

REFERENCE	DESIGNATION
TASK 23-73-45-000-001-A	Removal of the Passenger Service Unit
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 33-21-00-00	GENERAL ILLUMINATION - DESCRIPTION AND OPERATION
Underbin Light

3. Job Set-up
Subtask 33-21-21-861-053-A ** ON A/C NOT FOR ALL

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

Subtask 33-21-21-865-055-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2000VU	LIGHT-HATRACK-STRIP	312LG	J05

Subtask 33-21-21-010-052-A ** ON A/C NOT FOR ALL

C. Get Access
(1) For the location of the underbin LED strip-light refer to (Ref. AMM D/O 33-21-00-00).
(2) Remove the applicable Passenger Service Unit (PSU)
(Ref. AMM TASK 23-73-45-000-001).

4. Procedure
Subtask 33-21-21-020-052-A ** ON A/C NOT FOR ALL

A. Removal of the Underbin Light

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.

(1) Disconnect the electrical connector of the wire harness (1).
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Pull and remove the end cap (5) from the lens (4).
(4) Remove the lens (4) from the cheek panel (3).
(5) Pull and remove the underbin light (2) from the cheek panel (3).

[Rev.10 from 2021] 2026.04.01 00:53:23 UTC