Deactivation of the AIR DATA Selector Switch

TASK 31-68-00-040-002-A
Deactivation of the AIR DATA Selector Switch

ZONE: 210

1. Reason for the Job
MMEL 31-68-01A
AIR DATA SWITCHING SELECTOR ON THE CENTER PEDESTAL (FAA ONLY)
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
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 31-60-00-860-001-A	EIS Start Procedure
TASK 31-60-00-860-002-A	EIS Stop Procedure
TASK 34-10-00-860-005-A	ADIRS Stop Procedure

3. Job Set-up
Subtask 31-68-00-860-050-A

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

Subtask 31-68-00-865-050-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	EIS/PFD CAPT/SPLY	11WT1	E03
** ON A/C NOT FOR ALL
49VU	EIS/RLY/BOX/CAPT	17WT1	E08
49VU	NAV/STBY/ALTM	16FN	F14
49VU	NAV/STBY/HORIZON	5FN	F12
** ON A/C NOT FOR ALL
49VU	NAV/VOR/DME/RMI	12FN	F13
** ON A/C NOT FOR ALL
49VU	NAV PROBES/ADIRU3/PWR/SWTG	8FP	F09
49VU	NAV/ADF/1	1RP1	H14
** ON A/C NOT FOR ALL
49VU	EIS/ECAM/CTL/PNL	15WT	E12
49VU	EIS/DMC1/SPLY	10WT1	E11
49VU	EIS/DMC3/STBY/SPLY	14WT1	E10
49VU	EIS/DMC1/SWTG	21WT1	E09
** ON A/C ALL
49VU	L/G/LGCIU/SYS1/NORM	1GA	C09
49VU	EIS/DMC3/SWTG	21WT3	E07
49VU	EIS/ECAM DU/UPPER/SWTG	24WT1	E06
49VU	EIS/ECAM DU/UPPER/SPLY	13WT1	E05
49VU	EIS/PFD CAPT/SWTG	22WT1	E04
49VU	NAV PROBES/ADIRU 1/AND AOA 1/26VAC	5FP1	F07
49VU	NAV PROBES/ADIRU1/115VAC	4FP1	F06
49VU	NAV/DME/1	1SD1	G14
49VU	NAV/VOR/1	2RS1	G13
** ON A/C NOT FOR ALL
49VU	NAV/ILS/1	1RT1	G12
** ON A/C NOT FOR ALL
49VU	EIS/PFD/CAPT/SPLY	11WT1	E03
** ON A/C NOT FOR ALL
49VU	NAV/STBY/INST	5FN	F12
** ON A/C NOT FOR ALL
49VU	NAV PROBES/ADF/1	1RP1	F09
49VU	NAV PROBES/ADIRU3/PWR/SWTG	8FP	F08
** ON A/C NOT FOR ALL
49VU	EIS/ECAM/CTL/PNL	15WT	E11
49VU	EIS/DMC1/SPLY	10WT1	E10
49VU	EIS/DMC3/STBY/SPLY	14WT1	E09
49VU	EIS/DMC1/SWTG	21WT1	E08
** ON A/C ALL
105VU	ADIRS/ADIRU1/28VDC	6FP1	C02
** ON A/C NOT FOR ALL
121VU	EIS/RLY/BOX/F/O	17WT2	R07
** ON A/C NOT FOR ALL
121VU	ADIRS/ADIRU/2PWR/SHED	10FP	N10
** ON A/C NOT FOR ALL
121VU	COM NAV/TCAS	4SG	K10
121VU	EIS/GPWS/115VAC	3WZ	P07
** ON A/C ALL
121VU	COM NAV/RADAR/1	5SQ1	K13
121VU	COM NAV/RAD ALTM/2	1SA2	K12
121VU	COM NAV/RAD ALTM/1	1SA1	K11
121VU	COM NAV/VOR/2	2RS2	K08
121VU	COM NAV/DME/2	1SD2	K06
121VU	ADIRS/ADIRU/3PWR/SWTG	9FP	N09
121VU	ADIRS/ADIRU/2/26VAC AND AOA	5FP2	N08
121VU	ADIRS/ADIRU/3/26VAC AND AOA	5FP3	N07
121VU	ADIRS/ADIRU/2/115VAC	4FP2	N06
121VU	ADIRS/ADIRU/3/115VAC	4FP3	N05
121VU	ADIRS/ADIRU/2/28VDC	6FP2	N04
121VU	ADIRS/ADIRU/3/28VDC	6FP3	N03
121VU	EIS/GPWS/28VDC	2WZ	P06
121VU	HYDRAULIC/LGCIU/SYS2	2GA	Q35
121VU	HYDRAULIC/LGCIU/SYS1/GRND SPLY	52GA	Q34
121VU	EIS/DMC3/SPLY	10WT3	Q09
121VU	EIS/DMC2/SPLY	10WT2	Q08
121VU	EIS/ECAM DU/LOWER/SPLY	13WT2	R11
121VU	EIS/ECAM DU/LOWER/SWTG	24WT2	R10
121VU	EIS/DMC2/SWTG	21WT2	R08
121VU	EIS/PFD/F/O/SWTG	22WT2	R05
121VU	EIS/PFD/F/O	11WT2	R03
** ON A/C NOT FOR ALL
121VU	COM NAV/ILS/2	1RT2	K09
** ON A/C NOT FOR ALL
121VU	COM NAV/ADF/2	1RP2	K02
** ON A/C NOT FOR ALL
121VU	ADIRS/2PWR/SHED &/AOA2 MON	10FP	N10
** ON A/C ALL
122VU	ELEC/AC/BUS1/CTL	17XN1	V25

Subtask 31-68-00-860-052-A ** ON A/C NOT FOR ALL

C. Aircraft Maintenance Configuration
(1) Do the EIS Start Procedure (PFDs and NDs only) (Ref. AMM TASK 31-60-00-860-001)
(2) On the ADIRS CDU, on the panel 20VU, make sure that the OFF/NAV/ATT selector switches for the ADIRU1 and ADIRU2 are at NAV.
(3) On the center pedestal, on the SWITCHING panel 8VU, make sure that the AIR DATA selector switch is in the NORM position.

Subtask 31-68-00-860-052-B ** ON A/C NOT FOR ALL

C. Aircraft Maintenance Configuration
(1) Do the EIS start procedure (PFDs and NDs only) (Ref. AMM TASK 31-60-00-860-001).
(2) On the ADIRS MSU, on the panel 20VU, make sure that the OFF/NAV/ATT selector switches for the ADIRU1 and ADIRU2 are set to NAV.
(3) On the center pedestal, on the SWITCHING panel 8VU, make sure that the AIR DATA selector switch is set to NORM.

4. Procedure
Subtask 31-68-00-710-050-A ** ON A/C NOT FOR ALL

A. ADR Test

ACTION	RESULT
1.On the ADIRS CDU:
push the ADR1 pushbutton switch.	On the ADIRS CDU, the OFF legend of the ADR1 pushbutton switch comes on. On the CAPT PFD, the speed and altitude indications go out of view (ignore the related flag warnings).
push the ADR2 pushbutton switch.	On the ADIRS CDU, the OFF legend of the ADR2 pushbutton switch comes on. On the F/O PFD, the speed and altitude indications go out of view (ignore the related flag warnings).
push the ADR1 and ADR2 pushbutton switches again.	On the ADIRS CDU, the OFF legend of the ADR1 and ADR2 pushbutton switches goes off. On the CAPT and F/O PFDs, the speed and altitude indications come into view.

Subtask 31-68-00-710-050-B ** ON A/C NOT FOR ALL

A. ADR Test

ACTION	RESULT
1.On the ADIRS MSU:
Push the ADR1 pushbutton switch.	On the ADIRS MSU, the OFF legend of the ADR1 pushbutton switch comes on. On the CAPT PFD, the speed and altitude indications go out of view (ignore the related flag warnings).
Push the ADR2 pushbutton switch.	On the ADIRS MSU, the OFF legend of the ADR2 pushbutton switch comes on. On the F/O PFD, the speed and altitude indications go out of view (ignore the related flag warnings).
Push the ADR1 and ADR2 pushbutton switches again.	On the ADIRS MSU, the OFF legend of the ADR1 and ADR2 pushbutton switches goes off. On the CAPT and F/O PFDs, the speed and altitude indications come into view.

Subtask 31-68-00-020-050-A

B. Deactivation of the AIR DATA selector switch
(1) Make a mark on the panel 8VU close to the AIR DATA selector switch to forbid the crew to set the AIR DATA selector switch in any position except NORM which is the valid position.

5. Close-up
Subtask 31-68-00-860-051-A

A. Aircraft Maintenance Configuration
(1) Do the EIS Stop Procedure (Ref. AMM TASK 31-60-00-860-002)
(2) Do the ADIRS Stop Procedure (Ref. AMM TASK 34-10-00-860-005)
(3) Make an entry in the log book.
(4) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002)

[Rev.10 from 2021] 2026.04.01 00:39:02 UTC