Operational Check of Lavatory Smoke Detection by CFDS A320

1.            Reason for the Job

Refer to the MPD TASK: 261700-03

OPERATIONAL CHECK OF LAVATORY SMOKE DETECTION BY CFDS TO CONFIRM WARNINGS CAN BE DISPLAYED

2. Job Set-up Information

A.           Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD

B. Referenced Information

REFERENCE	DESIGNATION
Ref. 23-73-00-861-001-A	Energize the Cabin Intercommunication Data System (CIDS)
Ref. 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
Ref. 24-41-00-861-002-A01	Energize the Aircraft Electrical Circuits from the APU
Ref. 24-41-00-861-002-A02	Energize the Aircraft Electrical Circuits from Engine 1(2)
Ref. 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
Ref. 24-41-00-862-002-A01	De-energize the Aircraft Electrical Circuits Supplied from the APU
Ref. 24-41-00-862-002-A02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
Ref. 31-32-00-860-005-A	Procedure to Get Access to the SYSTEM REPORT/TEST FIRE PROT Page
Ref. 31-60-00-860-001-A	EIS Start Procedure
Ref. 31-60-00-860-002-A	EIS Stop Procedure

3.            Job Set-up

SUBTASK 26-17-00-860-050-A

A.           Aircraft Maintenance Configuration

• (1)          Energize the aircraft electrical circuits Ref. AMM TASK 24-41-00-861-002.

• (2)          Do the EIS start procedure (upper ECAM DU and lower ECAM DU only) Ref. AMM TASK 31-60-00-860-001.

• (3)          Energize the Cabin Intercommunication Data System (CIDS) Ref. AMM TASK 23-73-00-861-001.

• (4)          On one Multipurpose Control and Display Unit (MCDU) get the SYSTEM REPORT/TEST FIRE PROT menu Ref. AMM TASK 31-32-00-860-005.

SUBTASK 26-17-00-865-054-A

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

PANEL	DESIGNATION	FIN	LOCATION
49VU	AIR COND/CIDS/SDF/DIR2 ESS	18WH	C06
49VU	AIR COND/CIDS/SDF/DIR1 ESS	15WH	C05
49VU	COM/CIDS/DIR ESS/2	157RH	G02
49VU	COM/CIDS/DIR ESS/1	150RH	G01
121VU	COM NAV/CIDS/DIR NORM/2	156RH	M06
121VU	COM NAV/CIDS/DIR NORM/1	151RH	M05
122VU	AIR COND/CIDS/SDF/DIR NORM/2	14WH	T18
122VU	AIR COND/CIDS/SDF/DIR NORM/1	17WH	T17

4.            Procedure

SUBTASK 26-17-00-710-050-H

A.           Test of the Lavatory Smoke-Detection System

• (1)          Do this test procedure:

ACTION	RESULT
1.On the MCDU:-Push the line key adjacent to the SDCU indication.	On the MCDU:-The CIDS-SDF page comes into view and shows:SDCU FUNCTIONIS INTEGRATED INCIDS DIRECTORS101RH & 102RHCALLED CIDS-SDFx
On the MCDU:-Push the NEXT PAGE button.	On the MCDU:-The CIDS-SDF main menu comes into view.
2.On the MCDU:-Push the line key adjacent to the SMOKE WARN TESTS indication.	On the MCDU:-The SMOKE WARNING TESTS page comes into view.
3.On the MCDU:-Push the line key adjacent to the SMK DET LAVATORY TESTS or LAVATORY TESTS indication.	On the MCDU:-The SMOKE DET LAVATORY TESTS menu comes into view.
4.On the MCDU:-Push the line key adjacent to the first SMK DET LAV LOC X TEST indication.NOTE:X is the related lavatory location.	On the MCDU:-The message TEST IN PROGRESS (xS) shows.
	In the cockpit:On the panels 130VU and 131VU:-The MASTER WARN lights flash.-You hear the Continuous Repetitive Chime (CRC).NOTE:You can cancel the cockpit CRC by pressing the Master Warning P/B switch.
	On the MCDU:-The messageON ECAM WARNING DISPLAY MAKE SURE THAT (SMOKE LAVATORY) IS INDICATEDshows.
	On the Engine/Warning Display (EWD):-SMOKE LAVATORY SMOKE(red) shows.
5.On the MCDU:-Push the line key adjacent to the YES indication.	On the MCDU:-The messageIN THE CABIN MAKE SURE THAT (SMOKE LAV X) IS INDICATED ON THE FAP/AIPshows.NOTE:X is the related lavatory location.
	On the Flight Attendant Panel (FAP):-The SMOKE DETECTION page with the SMOKE RESET touch button comes into view.-The location of the related lavatory shows.
	On all Attendant Indication Panels (AIPs):-SMOKE LAV Xshows.NOTE:X is the related lavatory location.
	In the cabin:You see and hear the visual and aural indications specified in the Cabin Assignment Module (CAM).NOTE:For a reset of these indications, it is necessary to push the smoke indicator on the related panel. You can also do a reset on a smoke page in view on the Flight Attendant Panel (FAP).
6.On the FAP or the related AAP (if installed):-Push the SMOKE RESET key.	On the AIPs:-The message SMOKE LAV X goes out of view.NOTE:X is the related lavatory location.
	On the FAP:-The LAV SMOKE light (red) stays on.-The SMOKE DETECTION page and location of the related lavatory stay into view.
	In the cabin:The aural and visual indications as specified in the CAM stop/go out of view.
7.On the MCDU:-Push the line key adjacent to the YES indication.	On the MCDU:-The TEST OK message shows.
	In the cockpit:
	On the panels 130VU and 131VU:-The MASTER WARN lights go off.-The CRC stops.
	On the EWD:-The message SMOKE LAVATORY SMOKEgoes out of view.
	On the FAP:-The LAV SMOKE light (red) goes off.-The SMOKE DETECTION page and location of the related lavatory stay into view.
8.On the MCDU:-Push the line key adjacent to the RETURN indication.	On the MCDU:-The SMK DET LAVATORY TESTS menu comes into view.
	In the cabin:-Make sure that all visual and aural indications are off.
9.Do this test again for the smoke detectors of all the other lavatories.

5.            Close-up

SUBTASK 26-17-00-860-051-A

A.           Put the aircraft back to its initial configuration.

• (1)          On the MCDU, push the line select key adjacent to the RETURN indication until the CFDS menu page comes into view.

• (2)          Do the EIS stop procedure Ref. AMM TASK 31-60-00-860-002.

• (3)          De-energize the aircraft electrical circuits Ref. AMM TASK 24-41-00-862-002.