Operational Test of the ELAC 2 STBY PWR SPLY Availability in case of loss of Blue Hydraulic Pressure (To be done before revenue flight landing gear down)

TASK 27-93-00-710-002-A
Operational Test of the ELAC 2 STBY PWR SPLY Availability in case of loss of Blue Hydraulic Pressure (To be done before revenue flight landing gear down)

ZONE: 210

1. Reason for the Job
Self explanatory
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 29-10-00-863-003-A	Pressurize the Blue Hydraulic System with a Hydraulic Ground Power-Cart
TASK 29-10-00-863-003-A-01	Pressurize the Blue Hydraulic System with the Blue Electric Pump
TASK 29-10-00-864-003-A	Depressurize the Blue Hydraulic System
TASK 29-23-00-863-001-A	Pressurize the Green Hydraulic System from the Yellow Hydraulic System through the PTU with the Electric Pump
TASK 29-23-00-864-001-A	Depressurize the Green and Yellow Hydraulic Systems after Operation of the PTU
TASK 29-24-00-863-001-A	Pressurize the Yellow Hydraulic System with the Electric Pump
TASK 29-24-00-864-001-A	Depressurize the Yellow Hydraulic System
TASK 31-60-00-860-001-A	EIS Start Procedure
TASK 31-60-00-860-002-A	EIS Stop Procedure
TASK 32-00-00-860-001-A	Flight Configuration Precautions with Electrical Power
TASK 32-00-00-860-001-A-01	Flight Configuration Precautions without Electrical Power
TASK 32-00-00-860-002-A	Ground Configuration after Flight Configuration with Electrical Power
TASK 32-00-00-860-002-A-01	Ground Configuration after Flight Configuration without Electrical Power

3. Job Set-up
Subtask 27-93-00-861-053-A

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

Subtask 27-93-00-865-053-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	L/G/LGCIU/SYS1/NORM	1GA	C09
121VU	HYDRAULIC/LGCIU/SYS1/GRND SPLY	52GA	Q34
121VU	FLIGHT CONTROLS/THS ACTR/MOT1	19CE1	Q16
121VU	FLIGHT CONTROLS/ELAC2/NORM/SPLY	15CE2	R20

Subtask 27-93-00-860-055-A

C. Aircraft Maintenance Configuration
(1) Do the EIS start procedure (Ref. AMM TASK 31-60-00-860-001).
(2) On the center pedestal, on the ECAM control panel, push the F/CTL key (on the lower ECAM display unit, the F/CTL page comes into view).
(3) On the overhead panel 24VU:

Make sure that the FLT CTL/ELAC 2 pushbutton switch is pushed (on this pushbutton switch, the OFF and FAULT legends are off).

(4) Pressurize the aircraft hydraulic systems (Ref. AMM TASK 29-23-00-863-001) (Ref. AMM TASK 29-24-00-863-001) (Ref. AMM TASK 29-10-00-863-003).
(5) Obey the applicable safety precautions before you open the LGCIU circuit breakers (Ref. AMM TASK 32-00-00-860-001).

4. Procedure
Subtask 27-93-00-710-053-B

A. Operational Test of the ELAC 2 STBY PWR SPLY Availability in case of loss of the Blue Hydraulic Pressure

ACTION	RESULT
1.Open the circuit breakers 1GA and 52GA.	On the lower ECAM display unit, the ELAC 2 indication is green.
2.Open the circuit breaker 15CE2.	You can hear the single chime.
	On the panels 130VU and 131VU: The MASTER CAUT lights come on.
	On the upper ECAM display unit, the ELAC 2 FAULT warning comes into view.
	On the lower ECAM display unit, the ELAC 2 indication changes to amber.
	On the overhead panel 24VU: The FAULT legend of the FLT CTL/ELAC 2 pushbutton switch comes on.
3.Open the circuit breaker 19CE1.	On the lower ECAM display unit, the ELAC 2 indication changes to green.
	On the upper ECAM display unit, the ELAC 2 FAULT warning goes out of view.
	On the overhead panel 24VU: The FAULT legend of the FLT CTL/ELAC 2 pushbutton switch goes off.
	After approximately 30 seconds: You can hear the single chime. On the upper ECAM display unit, the ELAC 2 FAULT warning comes into view. On the lower ECAM display unit, the ELAC 2 indication changes to amber. On the overhead panel 24VU: .The FAULT legend of the FLT CTL/ELAC 2 pushbutton switch is off.
4.Depressurize the Blue hydraulic system (Ref. AMM TASK 29-10-00-864-003).	On the panels 130VU and 131VU: The MASTER CAUT lights go off.
	On the upper ECAM display unit, the ELAC 2 FAULT warning goes out of view.
	On the lower ECAM display unit, the ELAC 2 indication changes to green.

5. Close-up
Subtask 27-93-00-860-056-A

A. Put the aircraft back to its initial configuration.
(1) Put the aircraft back to the correct (ground) condition (Ref. AMM TASK 32-00-00-860-002).
(2) Depressurize the Green and Yellow hydraulic systems (Ref. AMM TASK 29-23-00-864-001) (Ref. AMM TASK 29-24-00-864-001).

Subtask 27-93-00-865-054-A

B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	L/G/LGCIU/SYS1/NORM	1GA	C09
121VU	HYDRAULIC/LGCIU/SYS1/GRND SPLY	52GA	Q34
121VU	FLIGHT CONTROLS/THS ACTR/MOT1	19CE1	Q16
121VU	FLIGHT CONTROLS/ELAC2/NORM/SPLY	15CE2	R20

Subtask 27-93-00-860-057-A

C. Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).

Subtask 27-93-00-862-053-A

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

[Rev.10 from 2021] 2026.03.31 23:59:29 UTC