Removal of the Cabin LED Unit (CLEDU)/Mini Cabin LED Unit (mCLEDU)

TASK 33-21-11-000-802-A
Removal of the Cabin LED Unit (CLEDU)/Mini Cabin LED Unit (mCLEDU)

ZONE: 220
ZONE: 230
ZONE: 240
ZONE: 250
ZONE: 260

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	AR	SCRAPER - NON METALLIC
No specific	1	STEPLADDER 1.0 M (3.3 FT)
No specific	AR	TIE WRAP(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
220	FWD CAB UTILITY AREAS
230	FWD PASSENGER COMPARTMENT
240	MID PASSENGER COMPARTMENT
250	AFT PASSENGER COMPARTMENT
260	AFT CABIN UTILITY AREA

C. 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 25-23-41-000-001-A	Removal of the Ceiling Panels
TASK 25-23-48-000-001-A	Removal of the Cove Light Panel
Upper mCLEDU Cover ** ON A/C NOT FOR ALL
Cabin LED Unit (CLEDU) ** ON A/C NOT FOR ALL
Cabin LED Unit (CLEDU) ** ON A/C NOT FOR ALL
Cabin LED Unit (CLEDU)/Mini Cabin LED Unit (mCLEDU) ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 33-21-11-861-054-A ** ON A/C NOT FOR ALL

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

Subtask 33-21-11-865-061-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	CAB LIGHT PWR-CEILING-AFT	307LG	H08
2000VU	CAB LIGHT PWR-CEILING-AFT	304LG	H07
2000VU	CAB LIGHT PWR-CEILING-FWD	306LG	H06
2000VU	CAB LIGHT PWR-CEILING-FWD	305LG	H05
2000VU	CAB LIGHT PWR-WINDOW-AFT	302LG	H04
2000VU	CAB LIGHT PWR-WINDOW-AFT	301LG	H03
2000VU	CAB LIGHT PWR-WINDOW-FWD	303LG	H02
2000VU	CAB LIGHT PWR-WINDOW-FWD	300LG	H01
2000VU	LIGHT-CABIN-ENTRY	308LG	J02

Subtask 33-21-11-010-053-A ** ON A/C NOT FOR ALL

C. Get Access
(1) For the ceiling Cabin LED Unit (CLEDU):

Put the STEPLADDER 1.0 M (3.3 FT) below the related ceiling panel.
Remove the related ceiling panel (Ref. AMM TASK 25-23-41-000-001).

(2) For the window CLEDU:

Remove the related cove light panel (Ref. AMM TASK 25-23-48-000-001).

Subtask 33-21-11-010-053-E ** ON A/C NOT FOR ALL

C. Get Access
(1) For the ceiling CLEDU:
(a) Put a STEPLADDER 1.0 M (3.3 FT) below the related ceiling panel.
(b) Remove the related ceiling panel (Ref. AMM TASK 25-23-41-000-001).
(2) For the ceiling mCLEDU:
(a) Put the STEPLADDER 1.0 M (3.3 FT) below the related ceiling panel.
(b)

Upper mCLEDU Cover ** ON A/C NOT FOR ALL

1 Carefully pull the upper mCLEDU cover (1) from the Overhead Stowage Compartment (OHSC) (3).
2 Use a SCRAPER - NON METALLIC to remove the tapes (2) from the upper mCLEDU cover (1) and from the top of the OHSC (3).
(3) For the window mCLEDU:
(a) Remove the related cover light panel (Ref. AMM TASK 25-23-48-000-001).

4. Procedure
Subtask 33-21-11-020-052-A ** ON A/C NOT FOR ALL

A. Removal of the CLEDU

Cabin LED Unit (CLEDU) ** ON A/C NOT FOR ALL

WARNING: WHEN YOU CONNECT/DISCONNECT THE CLEDU ELECTRICAL CONNECTORS, YOU MUST PUSH THE BUTTON ON THE ELECTRICAL CONNECTORS TO CONNECT/DISCONNECT THEM. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT CAN OCCUR.

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.

CAUTION: MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU DISCONNECT THEM. INCORRECT CONNECTION OF WIRES WILL CAUSE DAMAGE TO EQUIPMENT.

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 (2).
(2) If necessary, remove and discard the TIE WRAP(S).
(3) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(4) Hold the CLEDU (1) and push the brackets (3) to release them.
(5) Remove the CLEDU (1).

Subtask 33-21-11-020-052-D ** ON A/C NOT FOR ALL

A. Removal of the CLEDU/mCLEDU

Cabin LED Unit (CLEDU)/Mini Cabin LED Unit (mCLEDU) ** ON A/C NOT FOR ALL

(1) For CLEDU:

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.

CAUTION: MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU DISCONNECT THEM. INCORRECT CONNECTION OF WIRES WILL CAUSE DAMAGE TO EQUIPMENT.

(a) Disconnect the electrical connector (2).
(b) If necessary, remove and discard the TIE WRAP(S).
(c) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(d) Hold the CLEDU (1) and push the brackets (3) to release them.
(e) Remove the CLEDU (1).
(2) For mCLEDU:

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.

CAUTION: MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU DISCONNECT THEM. INCORRECT CONNECTION OF WIRES WILL CAUSE DAMAGE TO EQUIPMENT.

(a) Disconnect the electrical connector (5).
(b) If necessary, remove and discard the TIE WRAP(S).
(c) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(d) Hold the mCLEDU (4) and push the brackets (6) to release them.
(e) Remove the mCLEDU (4).

[Rev.10 from 2021] 2026.04.01 06:07:33 UTC