Cabin Intercommunication Data System (CIDS) Function Test

TASK 23-73-00-720-006-A
Cabin Intercommunication Data System (CIDS) Function Test

NOTE: Two persons are necessary to do this procedure.

ZONE: 200

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	HEADSET 600 OHMS

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

C. Referenced Information

REFERENCE	DESIGNATION
TASK 23-73-00-740-005-A	BITE-Test of the Cabin Intercommunication Data System (CIDS) through the CFDS
TASK 23-73-00-740-005-B	Interface and Power-Up Test of the Cabin Intercommunication Data System (CIDS) through the CFDS
TASK 23-73-00-740-012-A	Ground Scanning of the Cabin Intercommunication Data System (CIDS)
TASK 23-73-00-861-001-A	Energize the Cabin Intercommunication Data System (CIDS)
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 33-14-00-710-001-A	Operational Check of the Light Test System

3. Job Set-up
Subtask 23-73-00-860-224-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that the Cabin Intercommunication Data System (CIDS) is energized (Ref. AMM TASK 23-73-00-861-001).
(3) Energize the annunciator light test and dimming system (Ref. AMM TASK 33-14-00-710-001).
(4) Connect a HEADSET 600 OHMS to the captain jack panel 61VU.
(5) Make sure that the INT/RAD switch on the Audio Control Panel (ACP) is in the center position.

Subtask 23-73-00-865-271-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	COM/INT/1+2	9RN	G08
49VU	COM/AUDIO/ACP/F/O	5RN	G07
49VU	COM/ACP CAPT/SELCAL/INT 1 AUDIO/AVNCS	4RN	G06
121VU	COM NAV/SELCAL	8RN	M04
121VU	COM NAV/ACP/THIRD/OCCPNT	6RN	M02

4. Procedure
Subtask 23-73-00-710-367-A ** ON A/C NOT FOR ALL

A. Ground Scan
(1) Start the CIDS ground scan (Ref. AMM TASK 23-73-00-740-012). Continue the procedure while the ground scan is in progress.

Subtask 23-73-00-710-368-A ** ON A/C NOT FOR ALL

B. Test of the PA Announcement

ACTION	RESULT
1.In the cockpit:
Open the cockpit door.
2.In the cockpit, on the main instrument panel:
Turn the LOUDSPEAKER rotary knob fully clockwise.
3.In the cockpit, on the audio control panel:	In the cockpit, on the audio control panel:
Push and turn the PA rotary knob fully clockwise.	The integral light of the PA rotary knob comes on.
Push and hold the PA pushbutton switch.	The integral light of the PA pushbutton switch comes on.
	On all Attendant Indication Panels (AIPs):
	The message ’DIRECT PA IN USE’ comes on.
4.On the cockpit boomset:	In the cabin, in all lavatories and at all attendant stations:
Make an announcement.	You hear the announcement.
5.In the cabin and in any lavatory:
Make sure that the announcement is audible.
6.In the cockpit, on the audio control panel:	On all the AIPs:
Release the PA pushbutton switch.	The message ’ DIRECT PA IN USE’ goes off.
	In the cockpit, on the audio control panel:
	The integral light of the PA pushbutton switch goes off.
	In the cabin, in all the lavatories and at the attendant stations:
	The announcement stops.
7.At the forward attendant station:	On the handset:
Remove the handset from the cradle.	You hear a dial tone.
	On the forward left AIP:
	The number symbol comes into view.
8.On the handset:
Push and hold the Push To Talk (PTT) pushbutton and make an announcement.	The number symbols goes off.
	The message ’DIRECT PA’ comes into view.
	In the cabin, in all lavatories an at all attendant stations:
	You hear the announcement.
	On the aft AIPs:
	The message ’DIRECT PA IN USE’ comes into view.
9.In the cabin and in the any lavatory:
Make sure that the announcement is audible.
10.On the handset:	In the cabin:
Release the PTT pushbutton.	All indications go off.
11.At the forward attendant station:
Put the handset back into its cradle.
12.In the cockpit, on the audio control panel:	In the cockpit, on the audio control panel:
Push to reset and turn the PA rotary knob fully counter clockwise.	The integral light of the PA rotary knob goes off.
13.In the cockpit, on the main instrument panel:
Turn the LOUDSPEAKER rotary knob fully counter clockwise.

Subtask 23-73-00-710-369-A ** ON A/C NOT FOR ALL

C. Test of the EMERGENCY Call from the Cockpit

ACTION	RESULT
1.In the cockpit, on the overhead panel, on the CALLS panel 21VU:	In the cockpit, on the overhead panel, on the CALLS panel 21VU:
Push the EMER pushbutton switch.	The CALL ON indicator light in the EMER pushbutton switch flashes.
	In the cabin and at all attendant stations:
	You hear three HI-LO chimes.
	On all Area Call Panels (ACPs):
	The pink indicator light flashes.
	On all Attendant Indication Panels (AIPs):
	The message ’CALL EMERGENCY’ flashes.
	The pink indicator light flashes.
	In the cockpit, on the audio control panel:
	The ATT indication flashes.
2.In the cockpit, on the audio control panel:	In the cockpit, on the overhead panel, on the CALLS panel 21VU:
Push the RESET pushbutton.	The CALL ON indicator light in the EMER pushbutton switch goes off.
	In the cockpit, on the audio control panel:
	The ATT indication goes off.
3.At the forward attendant station:	On the forward left AIP:
Lift the handset from the cradle.	The message ’> EMERGENCY’ comes into view.
	The pink indicator light goes off.
4.In the cockpit, on the audio control panel:	In the cockpit, on the audio control panel:
Push the CAB pushbutton switch.	The integral light of the CAB pushbutton switch comes on.
Push the CAB rotary knob.	The integral light of the CAB rotary knob comes on.
Turn the CAB rotary knob fully clockwise.
Push and hold the INT/RAD switch to the RAD position.
5.Through the forward attendant station handset and the cockpit boomset:	Through the forward attendant station handset and the cockpit boomset:
Make an announcement.	You hear the announcement.
6.At the forward attendant station and the cockpit boomset:
Make sure that the announcement is audible.
7.At the forward attendant station:	On the forward left AIP:
Put the handset back in the cradle.	The message ’> EMERGENCY’ goes off.
	On all ACPs:
	The pink indicator light goes off.
8.In the cockpit, on audio control panel:	In the cockpit, on the audio control panel:
Release the RAD/INT switch.
Push to release the CAB rotary knob.	The integral light of the CAB rotary knob goes off.
Turn the CAB rotary knob fully counter clockwise.
Push to release the CAB pushbutton switch.	The integral light of the CAB pushbutton switch goes off.

Subtask 23-73-00-710-370-A ** ON A/C NOT FOR ALL

D. Test of the Lights via Flight Attendant Panel (FAP)

ACTION	RESULT
1.In the cabin, on the FAP:	In the cabin, on the FAP:
Press the ’Lights’ button.	The CABIN LIGHTING page come into view.
	In the forward entry area:
Push the ’DIM 2’ button related to the forward entry area.	The brightness of the lights in the forward entry area decreases.
Push the ’BRT’ button related to the forward entry area.	The brightness of the lights in the forward entry area increases.
	In the cabin:
Push the ’DIM 2; button related to the first passenger-cabin area.	The brightness of the lights in the first passenger-cabin area decreases.
Push the ’BRT’ button related to the first passenger-cabin area.	The brightness of the lights in the first passenger-cabin area increases.

Subtask 23-73-00-710-371-A ** ON A/C NOT FOR ALL

E. Test of the PAX Call at Lavatory A

ACTION	RESULT
1.In the lavatory A:	On the left area call panel:
Push the passenger call pushbutton-switch.	The amber indicator light comes on.
	In the lavatory A:
	The integral light of the passenger call pushbutton-switch comes on.
	On the forward left attendant indication panel:
	The message ’CALL LAV A’ comes into view.
	At the lavatory A, above the door:
	The amber indication light comes on.
	In the cabin, in the lavatory A and at all attendant stations:
	You hear a HI chime.
Push to reset the passenger call pushbutton-switch.	All indications go off.

Subtask 23-73-00-710-372-A ** ON A/C NOT FOR ALL

F. Print Ground Scan Results
(1) Make sure that the CIDS ground scan has been completed.
(2) Print the CIDS ground scan results.

Subtask 23-73-00-710-373-A ** ON A/C NOT FOR ALL

G. Interface and Power-up Test of the CIDS
(1) Do a interface and power-up test of the CIDS (Ref. AMM TASK 23-73-00-740-005).

5. Close-up
Subtask 23-73-00-860-225-A ** ON A/C NOT FOR ALL

A. Put the aircraft back to its initial configuration.
(1) Disconnect and remove the HEADSET 600 OHMS from the capitan jack panel 61VU.
(2) Make sure that the work area is clean and clear of tools and other items.
(3) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.02 06:12:23 UTC