Removal of the Lavatory Call Light

TASK 23-73-14-000-001-A
Removal of the Lavatory Call Light

FIN: 591RH ** ON A/C NOT FOR ALL
FIN: 591RH10 ** ON A/C NOT FOR ALL

1. Reason for the Job
Self Explanatory
2. Job Set-up Information
A. 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)
Lavatory Call Light

3. Job Set-up
Subtask 23-73-14-861-055-A

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

Subtask 23-73-14-865-050-A

B. Open, safety and tag these circuit breakers in this sequence:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	COM/CIDS/DEU A BAT/LINE 1	144RH	N13
121VU	COM/CIDS/DEU A BAT/LINE 2	145RH	N14
** ON A/C NOT FOR ALL
121VU	COM/CIDS/DEU A BAT/FWD R	258RH	N14
121VU	COM/CIDS/DEU A BAT/L FWD	259RH	N13
121VU	COM/CIDS/DEU A BAT/AFT R	272RH	Q11
121VU	COM/CIDS/DEU A BAT/AFT L	279RH	Q10
** ON A/C NOT FOR ALL
121VU	DEU A BAT MID R	296RH	M13
121VU	DEU A BAT MID L	295RH	M12
** ON A/C NOT FOR ALL
49VU	COM/CIDS/DEU A ESS/LINE 1	154RH	G04
49VU	COM/CIDS/DEU A ESS/LINE 2	155RH	G05
** ON A/C NOT FOR ALL
49VU	COM/CIDS/DEU A ESS/FWD R	158RH	HA10
49VU	COM/CIDS/DEU A ESS/FWD L	159RH	HA09
49VU	COM/CIDS/DEU A ESS/AFT R	172RH	HA12
49VU	COM/CIDS/DEU A ESS/AFT L	179RH	HA11
** ON A/C NOT FOR ALL
49VU	COM / CIDS / DEU A ESS / MID L	195RH	G04
49VU	COM / CIDS / DEU A ESS / MID R	196RH	G05
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU A NORM/L FWD	163RH	M10
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU A NORM/L FWD	163RH	M09
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU A NORM/R FWD	164RH	M11
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU A NORM/R FWD	164RH	M10
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU A NORM/L MID	165RH	M12
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU A NORM/L MID	165RH	M11
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU A NORM/R MID	166RH	M13
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU A NORM/R MID	166RH	M12
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU A NORM/L AFT	167RH	M11
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU A NORM/L AFT	167RH	M13
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU A NORM/R AFT	168RH	M12
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU A NORM/R AFT	168RH	M14
** ON A/C NOT FOR ALL
2001VU	CIDS-DEU A NORM-AFT-LH	173RH	C06
** ON A/C NOT FOR ALL
2001VU	CIDS/ DEU A NORM AFT LH	173RH	C07
** ON A/C NOT FOR ALL
2001VU	CIDS-DEU A NORM-AFT-RH	174RH	C07
** ON A/C NOT FOR ALL
2001VU	CIDS/ DEU A NORM AFT RH	174RH	C08
2001VU	CIDS/ DEU A NORM MID 2 LH	175RH	C05
2001VU	CIDS/ DEU A NORM MID 2 RH	176RH	C06
** ON A/C NOT FOR ALL
2001VU	CIDS-DEU A NORM-MID-LH	197RH	C04
2001VU	CIDS-DEU A NORM-MID-RH	198RH	C05
** ON A/C NOT FOR ALL
49VU	COM/CIDS/DEU A ESS/1 L	463RH	HA09
49VU	COM/CIDS/DEU A ESS/1 R	464RH	HA10
49VU	COM/CIDS/DEU A ESS/2 L	465RH	HA11
49VU	COM/CIDS/DEU A ESS/2 R	466RH	HA12
121VU	COM NAV/CIDS/DEU A NORM/L FWD	663RH	M09
121VU	COM NAV/CIDS/DEU A NORM/R FWD	664RH	M10
121VU	COM NAV/CIDS/DEU A NORM/L MID	665RH	M11
121VU	COM NAV/CIDS/DEU A NORM/R MID	666RH	M12
121VU	COM NAV/CIDS/DEU A NORM/L AFT	667RH	M13
121VU	COM NAV/CIDS/DEU A NORM/R AFT	668RH	M14

4. Procedure
Subtask 23-73-14-020-050-A

A. Removal of the Lavatory Call Light
(1) Remove the lens (4) from the lavatory call light (3).
(2) Release the spring clips (1), pull and lower the lavatory call light (3).
(3) Disconnect the electrical connectors (2) and remove the lavatory call light (3).

[Rev.10 from 2021] 2026.04.02 06:12:29 UTC