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

TASK 33-21-11-400-802-A
Installation of the Cabin LED Unit (CLEDU)/Mini Cabin LED Unit (mCLEDU)

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

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	1	STEPLADDER 1.0 M (3.3 FT)
No specific	AR	TIE WRAP(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.05TFB2)	Adhesive Tape-Hook Loop Flame Retardant Hook
(Material No.05TFB4)	Adhesive Tape-Hook Loop Flame Retardant Loop
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. 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

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 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 25-23-41-000-001-A	Removal of the Ceiling Panels
TASK 25-23-41-400-001-A	Installation of the Ceiling Panels
TASK 25-23-48-000-001-A	Removal of the Cove Light Panel
TASK 25-23-48-400-001-A	Installation 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 33-21-11-860-057-A ** ON A/C NOT FOR ALL

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

Make sure that the STEPLADDER 1.0 M (3.3 FT) is available.
Make sure that the related ceiling panel is removed (Ref. AMM TASK 25-23-41-000-001).

(2) For the window CLEDU:

Make sure that the related cove light panel is removed (Ref. AMM TASK 25-23-48-000-001).

Subtask 33-21-11-860-057-E ** ON A/C NOT FOR ALL

A. Get Access
(1) For the ceiling CLEDU:

Make sure that the STEPLADDER 1.0 M (3.3 FT) is in the position.
Make sure that the related ceiling panel is removed (Ref. AMM TASK 25-23-41-000-001).

(2) For the ceiling mCLEDU:

Make sure that the STEPLADDER 1.0 M (3.3 FT) is in the position.
Upper mCLEDU Cover ** ON A/C NOT FOR ALL

(3) For the window mCLEDU:

Make sure that the related cover light panel is removed (Ref. AMM TASK 25-23-48-000-001).

Subtask 33-21-11-865-062-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

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

4. Procedure
Subtask 33-21-11-910-052-A ** ON A/C NOT FOR ALL

A. Preparation for Installation
(1) Make sure that the parts retained from the removed component are clean and in the correct condition.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Clean the component interfaces and the adjacent area.

Subtask 33-21-11-420-052-A ** ON A/C NOT FOR ALL

B. Installation of the CLEDU

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

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) Put the CLEDU (1) in the correct position on the aircraft structure and engage the brackets (3).
(2) Remove the CAP-BLANKING from each electrical connector and receptacle.

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: REFER TO THE MATCH MARKS MADE DURING THE REMOVAL WHEN YOU CONNECT THE ELECTRICAL WIRES. INCORRECT CONNECTION OF THE 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.

(3) Connect the electrical connector (2).
(4) If necessary attach the electrical wire with TIE WRAP(S).

Subtask 33-21-11-420-052-D ** ON A/C NOT FOR ALL

B. Installation of the CLEDU/mCLEDU

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

(1) For CLEDU:
(a) Put the CLEDU (1) in the correct position on the aircraft structure and engage the brackets (3).
(b) Remove the CAP-BLANKING from each electrical connector and receptacle.

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: REFER TO THE MATCH MARKS MADE DURING THE REMOVAL WHEN YOU CONNECT THE ELECTRICAL WIRES. INCORRECT CONNECTION OF THE WIRES WILL CAUSE DAMAGE TO EQUIPMENT.

(c) Connect the electrical connector (2).
(d) If necessary, attach the electrical wires with the TIE WRAP(S).
(2) For mCLEDU:
(a) Put the mCLEDU (4) in the correct position on the aircraft structure and engage the brackets (6).
(b) Remove the CAP-BLANKING from each electrical connector and receptacle.

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: REFER TO THE MATCH MARKS MADE DURING THE REMOVAL WHEN YOU CONNECT THE ELECTRICAL WIRES. INCORRECT CONNECTION OF THE WIRES WILL CAUSE DAMAGE TO EQUIPMENT.

Subtask 33-21-11-865-063-A ** ON A/C NOT FOR ALL

C. 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
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 33-21-11-860-056-A ** ON A/C NOT FOR ALL

D. Preparation for the Test
(1) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that the cockpit door is closed and the engines are stopped.
(3) Push the LIGHT MAIN ON/OFF membrane switch on the Flight Attendant Panel (FAP) 120RH.
(4) Make sure that the indications on all of the BRT, DIM1, DIM2, WDO and CLG buttons on FAP 120RH are off.

Subtask 33-21-11-710-053-A ** ON A/C NOT FOR ALL

E. Operational Test
(1) Do this test of the entrance-Lights, window-lights and ceiling-lights:

ACTION	RESULT
1.For the entrance lighting:
On Flight Attendant Panel (FAP) 120RH:	On FAP 120RH:
Set the 'LIGHT' page.	All possible cabin lighting zones are shown.
Push the ENTRY/BRT button.	The ENTRY/BRT indication on the related button comes on.
	In the cabin: The related entrance light comes on.
	On FAP 120RH:
Push the ENTRY/DIM1 button.	The ENTRY/DIM1 indication on the related button comes on.
	In the cabin: The related entrance light intensity decreases.
	On FAP 120RH:
Push the ENTRY/DIM2 button.	The ENTRY/DIM2 indication on the related button comes on.
	In the cabin: The related entrance light intensity decreases again.
	On FAP 120RH:
Push the ENTRY/DIM2 button again.	The ENTRY/DIM2 indication on the related button goes off.
	In the cabin: The related entrance light goes off.
2.For the window or ceiling lighting:
On FAP 120RH:	On FAP 120RH:
Push the BRT button.	The BRT indication on the related button comes on.
	In the cabin: The related window or ceiling light comes on.
	On FAP 120RH:
Push the DIM1 button.	The DIM1 indication on the related button comes on.
	In the cabin: The related window or ceiling light intensity decreases.
	On FAP 120RH:
Push the DIM2 button.	The DIM2 indication on the related button comes on.
	In the cabin: The related window or ceiling light intensity decreases again.
	On FAP 120RH:
Push the DIM2 button again.	The DIM2 indication on the related button goes off.
	In the cabin: The related window or ceiling light goes off.

5. Close-up
Subtask 33-21-11-410-054-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) For the ceiling CLEDU:

Install the related ceiling panel (Ref. AMM TASK 25-23-41-400-001).

(3) For the window CLEDU:

Install the related cove light panel (Ref. AMM TASK 25-23-48-400-001).

(4) Remove the stepladder.

Subtask 33-21-11-410-054-E ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) For the ceiling CLEDU:
(a) Install the related ceiling panel (Ref. AMM TASK 25-23-41-400-001).
(3) For the ceiling mCLEDU:
(a)

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

1 Clean the component interface and/or the adjacent area of the upper mCLEDU cover (1) and on the top of the OHSC (3) with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a Textile-Lint free Cotton - (Material No.14SBA1) .
2 Put a Adhesive Tape-Hook Loop Flame Retardant Hook (Material No.05TFB2) and a Adhesive Tape-Hook Loop Flame Retardant Loop (Material No.05TFB4) (2) on the upper mCLEDU cover (1) and the top of the OHSC (3).
3 Install the upper mCLEDU cover (1) on the top of the OHSC (3) in its position and lightly push it.
(4) For the window mCLEDU:

Install the related cover light panel (Ref. AMM TASK 25-23-48-400-001).

(5) Remove the stepladder.

Subtask 33-21-11-862-053-A ** ON A/C NOT FOR ALL

B. Put the aircraft back to the serviceable condition.
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 06:07:39 UTC