Operational Test of the Probe Ice Protection

TASK 30-31-00-710-001-A
Operational Test of the Probe Ice Protection

CAUTION: IF THERE WAS AN AIRSPEED OR ALTITUDE DISCREPANCY REPORT ON THE PREVIOUS FLIGHT, DO A RESET OF THE TWO ELAC'S (OFF-ON OF THE ELAC 1 AND 2 PUSHBUTTON SWITCHES ON THE OVERHEAD PANEL) WITH THE THREE HYDRAULIC SYSTEMS DEPRESSURIZED.

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. 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 31-32-00-860-007-A	Procedure to Get Access to the SYSTEM REPORT/TEST/ICE & RAIN Page
TASK 34-10-00-860-002-A	ADIRS Start Procedure
TASK 34-10-00-860-005-A	ADIRS Stop Procedure

3. Job Set-up
Subtask 30-31-00-861-052-A

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

Subtask 30-31-00-941-050-A

B. Aircraft Maintenance Configuration
(1) On the panel 25VU:

make sure that the PROBE/WINDOW HEAT pushbutton switch is released (the ON legend is off).

(2) Do the ADIRS start procedure (Ref. AMM TASK 34-10-00-860-002).
(3) On the left or right MCDU, get SYSTEM REPORT/TEST ICE & RAIN page (Ref. AMM TASK 31-32-00-860-007)

Subtask 30-31-00-865-054-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	ANTI ICE/PROBES/AOA/1	4DA1	D04
49VU	ANTI ICE/PROBES/PHC/1	2DA1	D03
49VU	ANTI ICE/PROBES/PITOT/1	3DA1	D02
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

4. Procedure
Subtask 30-31-00-710-050-A

A. Operational Test of the Probe Ice Protection System

ACTION	RESULT
On the MCDU: push the line key adjacent to the PHC 1(2)(3) indication.	the PHC 1(2)(3) page comes into view
push the line key adjacent to the TEST indication.	the TEST WAIT indication comes into view then, after some seconds, the TEST OK indication comes into view.

5. Close-up
Subtask 30-31-00-942-050-A

A. Put the aircraft back to its initial configuration.
(1) Do the ADIRS stop procedure (Ref. AMM TASK 34-10-00-860-005)
(2) On the MCDU, push the line select key adjacent to the RETURN indication until the CFDS menu page comes into view.

Subtask 30-31-00-862-052-A

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

[Rev.10 from 2021] 2026.04.01 00:30:44 UTC