Removal of the Power Unit for the Cabin Attendant Work-Light

TASK 33-27-38-000-001-A
Removal of the Power Unit for the Cabin Attendant Work-Light

FIN: 12LZ ** ON A/C NOT FOR ALL
FIN: 13LZ ** ON A/C NOT FOR ALL
FIN: 3LZ ** ON A/C NOT FOR ALL
FIN: 512RHF ** ON A/C NOT FOR ALL
FIN: 512RHG ** ON A/C NOT FOR ALL
FIN: 512RHN ** 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
FOR [12LZ] (ATT WORK LIGHT)
No specific	1	STEPLADDER 1.0 M (3.3 FT)
FOR [13LZ] (POWER UNIT)
No specific	1	STEPLADDER 1.0 M (3.3 FT)
FOR [3LZ] (PCB ATTND WORK LT)
No specific	1	STEPLADDER 1.0 M (3.3 FT)

B. Referenced Information

REFERENCE	DESIGNATION
Power Unit

3. Job Set-up
Subtask 33-27-38-865-052-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2000VU	LIGHT-ATTND-WORK	1LZ	J03

Subtask 33-27-38-010-050-A ** ON A/C NOT FOR ALL

B. Get Access
(1) FOR [3LZ] (PCB ATTND WORK LT)
(a) Put the STEPLADDER 1.0 M (3.3 FT) in position below the related panel.
(b) Lower the circuit breaker panel 2000VU.
(2) FOR [12LZ] (ATT WORK LIGHT)
(a) Put the STEPLADDER 1.0 M (3.3 FT) in position below the related panel.
(b) Lower the circuit breaker panel 2001VU.
(3) FOR [13LZ] (POWER UNIT)
(a) Put the STEPLADDER 1.0 M (3.3 FT) in position below the related panel.
(b) Disengage and lower one side of the combi panel 2042VU.

4. Procedure
Subtask 33-27-38-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the Power Unit(s) for the Cabin Attendant Work-Lights
(1) Disconnect the electrical connectors (2) and (3).
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Removal of the Power Units 3LZ, 12LZ
(a) Remove the screws (5), the washers (6), the nuts (8) and the power unit (1).
(4) Removal of the Power Unit 13LZ
(a) Remove the screws (5), the washers (6), the spacers (10), and the power unit (1).

[Rev.10 from 2021] 2026.04.01 00:54:04 UTC