Removal of the Area Call Panel

TASK 23-73-11-000-001-A
Removal of the Area Call Panel

ZONE: 200
FIN: 340RH1
FIN: 340RH10
FIN: 340RH13 ** ON A/C NOT FOR ALL
FIN: 340RH14 ** ON A/C NOT FOR ALL
FIN: 340RH2
FIN: 340RH7 ** ON A/C NOT FOR ALL
FIN: 340RH8 ** ON A/C NOT FOR ALL
FIN: 340RH9

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	STEPLADDER 1.0 M (3.3 FT)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

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 23-73-00-00	CABIN INTERCOMMUNICATION DATA SYSTEM (CIDS) - DESCRIPTION AND OPERATION
TASK 23-73-00-00-01	CABIN INTERCOMMUNICATION DATA SYSTEM (CIDS) - DESCRIPTION AND OPERATION
Area Call Panel

3. Job Set-up
Subtask 23-73-11-861-050-A

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) For the location of this component, refer to paragraph Component Location
(Ref. AMM D/O 23-73-00-00).

Subtask 23-73-11-865-050-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 B/BAT	143RH	N12
** ON A/C NOT FOR ALL
49VU	COM/CIDS/DEU B/ESS	153RH	G03
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU B/NORM	162RH	M09
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU B/NORM	162RH	M08
** ON A/C NOT FOR ALL
121VU	COM / CIDS / DEU B / NORM FWD	193RH	M09
2001VU	CIDS-DEU B-NORM-AFT	194RH	C08
** ON A/C NOT FOR ALL
121VU	COM/CIDS/DEU B BAT/L	719RH	Q10
121VU	COM/CIDS/DEU B BAT/R	720RH	Q11
49VU	COM/CIDS/DEU B ESS/L	419RH	G04
49VU	COM/CIDS/DEU B ESS/R	420RH	G05
121VU	COM NAV/CIDS/DEU B NORM/L	619RH	M07
121VU	COM NAV/CIDS/DEU B NORM/R	620RH	M08

Subtask 23-73-11-941-050-A

C. Put the STEPLADDER 1.0 M (3.3 FT) in position below the related Area Call Panel.

4. Procedure
Subtask 23-73-11-020-050-A

A. Removal of the Area Call Panel (ACP)

Area Call Panel

(1) Remove the lens (4) from the ACP (3).
(2) Release the spring clips (1), pull and lower the ACP (3) until you can see the electrical connectors (2).
(3) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
(4) Disconnect the electrical connectors (2) and remove the ACP (3).

[Rev.10 from 2021] 2026.04.02 06:12:28 UTC