Operational Test of the P2/T2 Probe Heater [IAE]

TASK 73-22-11-710-040-A
Operational Test of the P2/T2 Probe Heater

FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL

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 31-32-00-860-012-A	Procedure to Get Access to the SYSTEM REPORT/TEST/ENG Page
P2/T2 Probe Heater Test

3. Job Set-up
Subtask 73-22-11-861-051-A ** ON A/C NOT FOR ALL

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

Subtask 73-22-11-865-050-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
FOR FIN: 1000EM1 (ENGINE1)
49VU	ENGINE/1/FADEC A/AND EIU 1	2KS1	A04
121VU	ENGINE/ENG1/FADEC B/AND EIU 1	4KS1	R41
122VU	ANTI ICE/PROBES/P2/T2/ENG1	11DA1	Z10
FOR FIN: 1000EM2 (ENGINE2)
49VU	ENGINE/2/FADEC A/AND EIU 2	2KS2	A05
121VU	ENGINE/ENG2/FADEC B	4KS2	Q40
122VU	ANTI ICE/PROBES/P2/T2/ENG2	11DA2	Y10

Subtask 73-22-11-869-051-A ** ON A/C NOT FOR ALL

C. On the maintenance panel 50VU:

4. Procedure
Subtask 73-22-11-710-051-A ** ON A/C NOT FOR ALL

A. Do this test:

NOTE: This test is for the system 1. For the other systems, use the indication between parentheses.

(1) On the left or right MCDU get the SYSTEM REPORT/TEST page (Ref. AMM TASK 31-32-00-860-012).

ACTION	RESULT
1.Push the line key adjacent to the FADEC 1A (2A) indication.	The FADEC 1A (2A) menu comes in to view.
2.Push the line key adjacent to the SYSTEM TEST indication.	The SYSTEM TEST menu comes into view.
3.Select NEXT PAGE.
4.Push the line key adjacent to the P2/T2 HEATER TEST indication.	The P2/T2 HEATER TEST menu comes into view.
5.Push the line key adjacent to the ENABLE TEST CAUTION indication.	TURN ON P2/T2 HEATER indication comes into view.
6.Push the line key adjacent to the TURN ON P2/T2 HEATER indication.	TEST IN PROGRESS indication comes into view. After not many seconds HEATER ON/NO FAULTS indication comes into view.
7.Push the line key adjacent to the TURN OFF P2/T2 HEATER indication.	TEST IN PROGRESS indication comes into view. After not many seconds RETURN NO FAULTS indication comes into view.
8.Do the procedure again for the channel B of the FADEC 1(2).
9.Push the line key adjacent to the RETURN indication until the CFDS comes into view.	The CFDS menu comes in to view.
10.Press the MCDU MENU key.	The MCDU menu comes into view. NOTE: If failures are found during the test, you must use the GROUND SCANNING function, read the fault message on the screen and do the related troubleshooting

5. Close-up
Subtask 73-22-11-869-052-A ** ON A/C NOT FOR ALL

A. On the maintenance panel 50VU:

Subtask 73-22-11-862-051-A ** ON A/C NOT FOR ALL

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

[Rev.10 from 2021] 2026.04.01 12:56:12 UTC