Operational Test of the CABIN READY Function with SDAC output DATA BITS displayed on the MCDU

TASK 23-73-00-710-029-A
Operational Test of the CABIN READY Function with SDAC output DATA BITS displayed on the MCDU

1. Reason for the Job
This procedure gives the instructions necessary to make sure that the CABIN READY function works on the Forward/Flight Attendant Panel (FAP).
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Referenced Information

REFERENCE	DESIGNATION
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 31-32-00-860-003-A	Procedure to Get Access to the SYSTEM REPORT/TEST/COM Page
TASK 31-60-00-860-001-A	EIS Start Procedure
TASK 31-60-00-860-002-A	EIS Stop Procedure
MCDU - AIDS PAR LAB CALL-UP for Cabin Ready Function

3. Job Set-up
Subtask 23-73-00-860-142-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) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
(4) Do the ECAM start procedure
(Ref. AMM TASK 31-32-00-860-003).

Subtask 23-73-00-865-264-A ** ON A/C NOT FOR ALL

WARNING: BEFORE YOU OPEN PHC CIRCUIT BREAKERS 2DA1(2,3), OPEN PROBE HEATER CIRCUIT-BREAKERS 1DA1(2), 3DA1(2,3), 4DA1(2,3) AND 5DA1(2,3). IF YOU DO NOT OBEY THIS SEQUENCE: - THE PROBES WILL BECOME TOO HOT. - THIS CAN CAUSE DAMAGE TO EQUIPMENT AND INJURY TO MAINTENANCE PERSONNEL.

WARNING: OPEN CIRCUIT BREAKERS 2KS1 AND 2KS2 AFTER YOU OPEN THE IGNITION CIRCUIT BREAKERS. IF NOT, THE CONTINUOUS IGNITION SYSTEM WILL BE ACTIVATED.

B. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	ENGINE/1 AND 2/IGN/SYS A	1JH	A03
49VU	ANTI ICE/PROBES/AOA/1	4DA1	D04
49VU	ANTI ICE/PROBES/PHC/1	2DA1	D03
49VU	ANTI ICE/PROBES/PITOT/1	3DA1	D02
49VU	ANTI ICE/RAIN/RPLNT/CAPT	1DB1	D01
** ON A/C NOT FOR ALL
121VU	ENGINE/IGN/ENG2/SYS A BAT	2JH2	P40
121VU	ENGINE/IGN/ENG1/SYS A BAT	2JH1	P39
** ON A/C NOT FOR ALL
121VU	ENGINE/IGN/ENG2/SYS B	3JH2	P42
121VU	ENGINE/IGN/ENG1/SYS B	3JH1	P41
122VU	ANTI ICE/WINDOWS/R	4DG2	W14
122VU	ANTI ICE/RAIN/RPLNT/F/O	1DB2	W11
122VU	ANTI ICE/WINDOWS/L	4DG1	X14
122VU	ANTI ICE/PROBES/PHC/3	2DA3	Y16
122VU	ANTI ICE/PROBES/2/TAT	1DA2	Y15
122VU	ANTI ICE/PROBES/2/PITOT	3DA2	Y14
122VU	ANTI ICE/PROBES/2/AOA	4DA2	Y13
122VU	ANTI ICE/PROBES/PHC/2	2DA2	Y12
122VU	ANTI ICE/PROBES/2/STATIC	5DA2	Y11
122VU	ANTI ICE/PROBES/3/PITOT	3DA3	Z16
122VU	ANTI ICE/PROBES/3/AOA	4DA3	Z15
122VU	ANTI ICE/PROBES/3/STATIC	5DA3	Z14
122VU	ANTI ICE/PROBES/1/STATIC	5DA1	Z13
122VU	ANTI ICE/PROBES/1/TAT	1DA1	Z12

Subtask 23-73-00-865-161-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	ENGINE/2/FADEC A/AND EIU 2	2KS2	A05
49VU	ENGINE/1/FADEC A/AND EIU 1	2KS1	A04
** ON A/C NOT FOR ALL
121VU	ENGINE/ENG2/FADEC B	4KS2	Q40
** ON A/C NOT FOR ALL
121VU	ENGINE/ENG1/FADEC B/AND EIU 1	4KS1	R41
** ON A/C NOT FOR ALL
121VU	ENGINE/ENG2/FADEC B/AND EIU2	4KS2	Q40
** ON A/C NOT FOR ALL
121VU	ENGINE/ENG2/FADEC B/AND EIU2	4KS2	R41
121VU	ENGINE/ENG1/FADEC B/AND EIU 1	4KS1	R40

4. Procedure
Subtask 23-73-00-710-257-A ** ON A/C NOT FOR ALL

A. Do this test

MCDU - AIDS PAR LAB CALL-UP for Cabin Ready Function ** ON A/C NOT FOR ALL

ACTION	RESULT
1.In the cockpit on the Overhead Panel 49VU:
open the circuit breakers FADEC EIU 1 and EIU 2,
2.On the MCDU:	On the MCDU:
push the MCDU MENU pushbutton switch,	the MCDU main menu is displayed,
push the line key adjacent to '<AIDS',	the AIDS menu is displayed,
push the line key adjacent to 'CALL-UP <PARAM LAB',	the AIDS PARAM LABEL CALL-UP menu is displayed,
enter on the MCDU keypad the parameter label '29/1/002/11',	the parameter label is shown on the display,
push the insert line key 1L to take over the label Call-up parameter,	the first label Call-up appears in the data field,
enter on the MCDU keypad the parameter label '29/2/002/11',	the parameter label is shown on the display,
push the insert line key 4L to take over the label Call-up parameter,	the second label Call-up appears in the data field,
3.On the Flight Attendant Panel (FAP) 120RH:	On the FAP 120RH:
push the CABIN READY pushbutton switch,	the green indicator light in the CABIN READY pushbutton switch comes on,
	On the MCDU:
	at both label Call-up data fields the BIT 18 changes from 1 to 0,
4.On the FAP:	On the FAP:
push the CABIN READY pushbutton switch:	the green indicator light in the CABIN READY pushbutton switch goes off,
	On the MCDU:
	at both label Call-up data fields the BIT 18 changes from 0 to 1,
5.On the MCDU:
push the MCDU MENU pushbutton switch,	the MCDU main menu is displayed.
6.On the Overhead Panel 49VU:
close the circuit breakers FADEC EIU 1 and EIU 2.

Subtask 23-73-00-710-257-B ** ON A/C NOT FOR ALL

A. Test

MCDU - AIDS PAR LAB CALL-UP for Cabin Ready Function ** ON A/C NOT FOR ALL

ACTION	RESULT
1.In the cockpit on Overhead Panel 49VU:
Open circuit breakers FADEC EIU 1 and EIU 2.
2.On the MCDU:	On the MCDU:
Push the MCDU MENU pushbutton switch.	The MCDU main menu shows.
Push the line key adjacent to '<AIDS'.	The AIDS menu shows.
Push the line key adjacent to 'CALL-UP <PARAM LAB'.	The AIDS PARAM LABEL CALL-UP menu shows.
Make an entry on the MCDU keypad the parameter label '29/1/002/11'.	The parameter label shows on the display.
Push the insert line key 1L to take over the label Call-up parameter.	The first label Call-up shows in the data field.
Make an entry on the MCDU keypad the parameter label '29/2/002/11'.	The parameter label shows on the display.
Push the insert line key 4L to take over the label Call-up parameter.	The second label Call-up shows in the data field.
3.On Flight Attendant Panel (FAP) 120RH, on the CABIN STATUS page:	On FAP 120RH, on the CABIN STATUS page:
Push the CABIN READY key.	The green indicator light of the CABIN READY key comes on.
	On the MCDU:
	At the two label Call-up data fields the BIT 18 changes from 1 to 0.
4.On FAP 120RH, on the CABIN STATUS page:	On FAP 120RH, on the CABIN STATUS page:
Push the CABIN READY key:	The green indicator light of the CABIN READY key goes off.
	On the MCDU:
	At the two label Call-up data fields the BIT 18 changes from 0 to 1.
5.On the MCDU:
Push the MCDU MENU pushbutton switch.	The MCDU main menu shows.
6.On Overhead Panel 49VU:
Close circuit breakers FADEC EIU 1 and EIU 2.

5. Close-up
Subtask 23-73-00-860-143-A ** ON A/C NOT FOR ALL

A. Put the aircraft back to its initial configuration.
(1) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002)
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002)

[Rev.10 from 2021] 2026.04.02 06:12:27 UTC