Operational Test of the Engine Interface Unit [CFMI]

TASK 73-25-34-710-040-A
Operational Test of the Engine Interface Unit

FIN: 1KS1 ** ON A/C NOT FOR ALL
FIN: 1KS2 ** ON A/C NOT FOR ALL
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

3. Job Set-up
Subtask 73-25-34-861-052-A ** ON A/C NOT FOR ALL

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

Subtask 73-25-34-865-058-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
49VU	ENGINE/1 AND 2/IGN/SYS A	1JH	A03
122VU	AIR COND/FLOW/CTL AND IND/2	2HB	V21
FOR FIN: 1000EM1 (ENGINE1)
49VU	ENGINE/1/FADEC A/AND EIU 1	2KS1	A04
121VU	ENGINE/ENG1/OIL/PRESS	2EN1	N40
121VU	ENGINE/ENG1/OIL/QTY	1EN1	N39
121VU	ENGINE/IGN/ENG1/SYS B	3JH1	P41
121VU	ENGINE/IGN/ENG1/SYS A BAT	2JH1	P39
121VU	ENGINE/ENG1/FADEC B/AND EIU 1	4KS1	R41
FOR FIN: 1000EM2 (ENGINE2)
49VU	ENGINE/2/FADEC A/AND EIU 2	2KS2	A05
121VU	ENGINE/ENG2/OIL/PRESS	2EN2	N42
121VU	ENGINE/ENG2/OIL/QTY	1EN2	N41
121VU	ENGINE/IGN/ENG2/SYS B	3JH2	P42
121VU	ENGINE/IGN/ENG2/SYS A BAT	2JH2	P40
121VU	ENGINE/ENG2/FADEC B	4KS2	Q40

Subtask 73-25-34-710-055-A ** ON A/C NOT FOR ALL

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

4. Procedure
Subtask 73-25-34-710-056-B ** ON A/C NOT FOR ALL

A. Do this test:

ACTION	RESULT
1.Push the line key adjacent to the EIU1 (EIU2) indication.	The EIU menu comes into view.
2.Push the line key adjacent to the GROUND SCANNING indication.	After not many seconds, the NO FAILURE message comes into view.
3.On the MCDU, push the line select key adjacent to the RETURN indication until the CFDS menu page comes into view.
4.Stop the MCDU.

5. Close-up
Subtask 73-25-34-862-052-A ** ON A/C NOT FOR ALL

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

[Rev.10 from 2021] 2026.04.01 04:13:33 UTC