Operational test of the Fan Cowl Loss Prevention System [PW11]

TASK 71-13-00-710-802-A
Operational test of the Fan Cowl Loss Prevention System

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 71-00-00-860-833-A	Procedure to Prevent Engine Motoring
TASK 71-13-00-410-802-A	Closing of the Fan Cowl Doors
Prevention System - Fan Cowl Loss

3. Job Set-up
Subtask 71-13-00-941-077-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) Do the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).

Subtask 71-13-00-865-052-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: 4020KM1 (POWER PLANTDEMOUNTABLE, ENG 1)
49VU	ENGINE/1/FADEC A/AND EIU 1	2KS1	A04
** ON A/C NOT FOR ALL
121VU	ENGINE/ENG1/FADEC B/AND EIU 1	4KS1	R41
** ON A/C NOT FOR ALL
121VU	ENGINE/LATCH DOORS & SLATS/ENG1	93KS1	P39
** ON A/C NOT FOR ALL
121VU	ENGINE/ENG1/FADEC B/AND EIU 1	4KS1	R40
** ON A/C NOT FOR ALL
FOR FIN: 4020KM2 (POWER PLANTDEMOUNTABLE, ENG 2)
49VU	ENGINE/2/FADEC A/AND EIU 2	2KS2	A05
** ON A/C NOT FOR ALL
121VU	ENGINE/ENG2/FADEC B/AND EIU2	4KS2	Q40
** ON A/C NOT FOR ALL
121VU	ENGINE/LATCH DOORS & SLATS/ENG2	93KS2	P40
** ON A/C NOT FOR ALL
121VU	ENGINE/ENG2/FADEC B/AND EIU2	4KS2	R41

Subtask 71-13-00-840-050-A ** ON A/C NOT FOR ALL

C. Continue to prepare for test
(1) Make sure that the aircraft is not positioned on jacks and make sure that the landing gear system is not simulated in flight configuration.
(2) Make sure that at least one passenger door is open.

4. Procedure
Subtask 71-13-00-710-051-A ** ON A/C NOT FOR ALL

A. Do as follows:
(1) Make sure that all three fan cowl latches are correctly closed (Ref. AMM TASK 71-13-00-410-802).
(2) Turn the ENG/MODE selector switch to the CRANK position.
(3) On the Upper ECAM display unit, make sure that the ENG1(2) FAN COWL NOT CLSD warning message does not come into view.
(4) Turn the ENG/MODE selector switch to the NORM position.
(5) Open fan latch L3:
(a) Push the fan cowl door latch trigger to release the latch.
(b) Make sure the handle hangs down.
(6) Turn the ENG/MODE selector switch to the CRANK position.
(7) On the Upper ECAM display unit, make sure that the ENG1(2) FAN COWL NOT CLSD warning message does not come into view.
(8) Turn the ENG/MODE selector switch to the NORM position.
(9) Open fan latch L2:
(a) Push the fan cowl door latch trigger to release the latch.
(b) Make sure that the handle hangs down.
(10) Turn the ENG/MODE selector switch to the CRANK position.
(11) On the Upper ECAM display unit, make sure that the ENG1(2) FAN COWL NOT CLSD warning message comes into view.
(12) Turn the ENG/MODE selector switch to the NORM position.
(13) Close latch L2 until it is flush with the door surface and locked in position.
(14) Turn the ENG/MODE selector switch to the CRANK position.
(15) On the Upper ECAM display unit, make sure that the ENG1(2) FAN COWL NOT CLSD warning message does not come into view.
(16) Turn the ENG/MODE selector switch to the NORM position.
(17) Open fan latch L1:
(a) Push the fan cowl door latch trigger to release the latch.
(b) Make sure that the handle hangs down.
(18) Turn the ENG/MODE selector switch to the CRANK position.
(19) On the Upper ECAM display unit, make sure that the ENG1(2) FAN COWL NOT CLSD warning message comes into view.
(20) Turn the ENG/MODE selector switch to the NORM position.
(21) Close latch L3 until it is flush with the door surface and locked in position.
(22) Turn the ENG/MODE selector switch to the CRANK position.
(23) On the Upper ECAM display unit, make sure that the ENG1(2) FAN COWL NOT CLSD warning message does not come into view.
(24) Turn the ENG/MODE selector switch to the NORM position.
(25) Open fan latch L2:
(a) Push the fan cowl door latch trigger to release the latch.
(b) Make sure that the handle hangs down.
(26) Turn the ENG/MODE selector switch to the CRANK position.
(27) On the Upper ECAM display unit, make sure that the ENG1(2) FAN COWL NOT CLSD warning message comes into view.
(28) Turn the ENG/MODE selector switch to the NORM position.
(29) Close latch L1 until it is flush with the door surface and locked in position.
(30) Turn the ENG/MODE selector switch to the CRANK position.
(31) On the Upper ECAM display unit, make sure that the ENG1(2) FAN COWL NOT CLSD warning message does not come into view.
(32) Turn the ENG/MODE selector switch to the NORM position.
(33) Close latch L2 until it is flush with the door surface and locked in position.

5. Close-up
Subtask 71-13-00-942-062-A ** ON A/C NOT FOR ALL

A. Put the aircraft back to its initial configuration.
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(2) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 02:32:06 UTC