Operational Check of the Flight Lock Actuator (FLA)

TASK 52-22-00-710-804-A
Operational Check of the Flight Lock Actuator (FLA)

ZONE: 120

1. Reason for the Job

NOTE: Two persons are necessary for this procedure.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
120	AVIONICS COMPARTMENT
824, 833, 834, 843, 844

C. 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 25-62-00-081-001-A	Special Precautions after Work on the Offwing Escape-Slide Systems
TASK 25-62-00-481-001-A	Special Precautions before Work on the Offwing Escape-Slide Systems
TASK 31-60-00-860-001-A	EIS Start Procedure
TASK 31-60-00-860-002-A	EIS Stop Procedure
TASK 34-10-00-860-002-A	ADIRS Start Procedure
TASK 52-22-00-410-802-A	Closing of the Overwing Emergency-Exit Door from the Passenger Compartment
TASK 52-41-00-010-002-A	Open the Avionics Compartment Doors for Access
TASK 52-41-00-410-002-A	Close the Avionics Compartment Doors after Access
TASK 56-10-00-040-001-A	Deactivation of the Front Windshield
Handle Door Mechanism

3. Job Set-up
Subtask 52-22-00-860-119-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
(3) Make sure that applicable overwing emergency-exit door 833 ( 843) or 834 ( 844) is closed, latched and locked (Ref. AMM TASK 52-22-00-410-802).
(4) Make sure that the windshield is deactivated (Ref. AMM TASK 56-10-00-040-001).
(5) On panel 20VU, on the ADIRS MSU, set the OFF/NAV/ATT selector switches to the NAV position (Ref. AMM TASK 34-10-00-860-002).
(6) On panel 25VU:

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

Subtask 52-22-00-865-078-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/2/FADEC A/AND EIU 2	2KS2	A05
49VU	ENGINE/1/FADEC A/AND EIU 1	2KS1	A04
49VU	L/G/LGCIU/SYS1/NORM	1GA	C09
121VU	EIS/SLIDES/ARM AND WARN/FLT	15WN	P11
121VU	EIS/SLIDES/ARM AND WARN/GND	13WN	P10
121VU	EIS/SDAC1 AND 2/DOOR/DET/PAX	48WV	P05
121VU	HYDRAULIC/LGCIU/SYS2	2GA	Q35
121VU	HYDRAULIC/LGCIU/SYS1/GRND SPLY	52GA	Q34
121VU	LGCIU/BAT SPLY/SYS2	59GA	R32
121VU	LGCIU/BAT SPLY/SYS1	58GA	R31
122VU	FLIGHT LOCK OWD	40WN	U16

Subtask 52-22-00-865-079-A ** ON A/C NOT FOR ALL

C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	ANTI ICE/PROBES/AOA/1	4DA1	D04
49VU	ANTI ICE/PROBES/PITOT/1	3DA1	D02
122VU	ANTI ICE/WINDOWS/R	4DG2	W14
122VU	ANTI ICE/WHC/2	5DG2	W13
122VU	ANTI ICE/WINDOWS/L	4DG1	X14
122VU	ANTI ICE/WHC/1	5DG1	X13
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/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
123VU	ANTI ICE/L/WHSLD	1DG1	AF10
123VU	ANTI ICE/R/WHSLD	1DG2	AF03

Subtask 52-22-00-010-093-A ** ON A/C NOT FOR ALL

D. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at access door 824.
(2) Open access door 824 (Ref. AMM TASK 52-41-00-010-002).
(3) Obey the special precautions before you start the work on the offwing escape-slide systems (Ref. AMM TASK 25-62-00-481-001).
(4) Remove the handle cover (2) of the overwing emergency-exit door (1).

NOTE: The white SLIDE ARMED indicator light in the cabin lining between the overwing emergency-exit doors comes on.

NOTE: In the cockpit, on the "DOOR/OXY" page of the ECAM DU, the symbol of the related overwing emergency-exit door changes from the green empty box to the amber filled box as soon as the handle cover (2) is removed.

(5) Put the slide release shaft in the DISARMED position:

NOTE: The white SLIDE ARMED indicator light goes off only when the unlock levers (8) of the forward and aft overwing emergency-exit-doors (1) are in the disarmed position.

(a) For overwing emergency-exit door 833( 843) (1):

Pull the lever (8) to the right and turn it clockwise until the lever (8) is behind the disarm bracket (7).
Make sure that the slide release lever (6) is not in the front of the fuselage lever (5).

(b) For overwing emergency-exit door 834( 844) (1):

Pull the lever (8) to the left and turn it counterclockwise until the lever (8) is behind the disarm bracket (7).
Make sure that the slide release lever (6) is not in the front of the fuselage lever (5).

4. Procedure

NOTE: Circuit breaker 48WV is mentioned for FLA alerts on ECAM DU.

Subtask 52-22-00-710-062-A ** ON A/C NOT FOR ALL

A. Operational Check of the FLA

ACTION	RESULT
1.On the MCDU display:	On the MCDU display:
Push the MCDU MENU mode key.	The MCDU menu comes into view.
Push the line key adjacent to the <CFDS indication.	The CFDS menu comes into view.
Push the line key adjacent to the <SYSTEM REPORT/TEST indication.	The SYSTEM REPORT/TEST menu comes into view.
Push the line key adjacent to the NEXT PAGE -> indication.	The NEXT PAGE comes into view.
Push the line key adjacent to the ENG indication.	The ENG menu comes into view.
Push the line key adjacent to EIU1.	The EIU1 menu comes into view.
Push the line key adjacent to the TESTS indication.	The TESTS menu comes into view.
Push the line key adjacent to SPECIFIC DATA.	The SPECIFIC DATA menu comes into view.
Push the line key adjacent to DISCRETE OUTPUTS SIMUL.	The DISCRETE OUTPUTS SIMUL menu comes into view.
Push the line key adjacent to DISCRETE OUTPUTS P TYPE.	The DISCRETE OUTPUTS P TYPE menu comes into view.
Select DISCRETE OUTPUTS P TYPE page 2/2.	The FLIGHT LOCK DOORS indication comes into view.
	In the same line, last position to the right, 0=off or 1=on is shown. NOTE: The FLIGHT LOCK DOORS status changes from status 0 to status 1 or from status 1 to status 0 each time you push the line key in front of the FLIGHT LOCK DOORS message. NOTE: When this page goes out of view, the real data received by the EIU shows the operational output status (usually status 0) because the engines are off.
Push the line key adjacent to FLIGHT LOCK DOORS to set the EIU1 output to active.	Status 1 comes into view.
2.In the avionics compartment, on FLA test panel 72VU:	On the overwing emergency-exit doors:
Open the protection guard and set toggle switch LH to the ON position.
Make sure that the toggle switch RH is set to the AUTO position.	The FLAs of the forward and aft overwing emergency-exit-doors from the left side engage.
CAUTION: IF OR WHEN THE VENT FLAP STARTS TO OPEN, IMMEDIATELY STOP MOVEMENT OF THE OVERWING EMERGENCY-EXIT-DOOR HANDLE. IF YOU DO NOT OBEY THIS INSTRUCTION, DAMAGE TO EQUIPMENT CAN OCCUR. 3.On each overwing emergency-exit door:	On the overwing emergency-exit doors:
Carefully try to pull the door handle (3) to open it. NOTE: The forward and aft overwing emergency-exit-doors from the left side are locked and from the right side are unlocked.
Stop when the vent flap (4) starts to move.
NOTE: This is to see if the door handle (3) is blocked or not.	The door handles (3) of the forward and aft overwing emergency-exit-doors from the left side are blocked (the related vent flaps (4) do not open).
	The door handles (3) of the forward and aft overwing emergency-exit-doors from the right side are not blocked (the related vent flaps (4) start to open).
4.On panel 121VU:	On the ECAM DU:
Open circuit breaker 48WV.	Four FLA alerts come into view after three seconds:
	- "DOOR L FWD OVERWNG FAULT"
	- Sub-Title: "FLIGHT LOCK NOT AVAIL".
	- "DOOR L AFT OVERWNG FAULT"
	- Sub-Title: "FLIGHT LOCK NOT AVAIL".
	- "DOOR R FWD OVERWNG FAULT"
	- Sub-Title: "FLIGHT LOCK ENGAGED".
	- "DOOR R AFT OVERWNG FAULT"
	- Sub-Title: "FLIGHT LOCK ENGAGED". NOTE: It is necessary to use the CLR function key to get the message on the next page.
5.On panel 121VU:	On the ECAM DU:
Close circuit breaker 48WV.	All the FLA alerts go out of view.
6.On the MCDU display:	On the MCDU display:
Push the line key adjacent to FLIGHT LOCK DOORS, to set the EIU1 output to inactive.	Status 0 comes into view.
7.On the MCDU display:	On the MCDU display:
Push the MCDU MENU mode key.	The MCDU menu comes into view.
Push the line key adjacent to the <CFDS indication.	The CFDS menu comes into view.
Push the line key adjacent to the <SYSTEM REPORT/TEST indication.	The SYSTEM REPORT/TEST menu comes into view.
Push the line key adjacent to the NEXT PAGE -> indication.	The NEXT PAGE comes into view.
Push the line key adjacent to the ENG indication.	The ENG menu comes into view.
Push the line key adjacent to EIU2.	The EIU2 menu comes into view.
Push the line key adjacent to the TESTS indication.	The TESTS menu comes into view.
Push the line key adjacent to SPECIFIC DATA.	The SPECIFIC DATA menu comes into view.
Push the line key adjacent to DISCRETE OUTPUTS SIMUL.	The DISCRETE OUTPUTS SIMUL menu comes into view.
Push the line key adjacent to DISCRETE OUTPUTS P TYPE.	The DISCRETE OUTPUTS P TYPE menu comes into view.
Select DISCRETE OUTPUTS P TYPE page 2/2.	The FLIGHT LOCK DOORS indication comes into view.
	In the same line, last position to the right, 0=off or 1=on is shown. NOTE: The FLIGHT LOCK DOORS status changes from status 0 to status 1 or from status 1 to status 0 each time you push the line key in front of the FLIGHT LOCK DOORS message. NOTE: When this page goes out of view, the real data received by the EIU shows the operational output status (usually status 0) because the engines are off.
Push the line key adjacent to FLIGHT LOCK DOORS to set the EIU2 output to active.	Status 1 comes into view.
8.In the avionics compartment, on FLA test panel 72VU:	On the overwing emergency-exit doors:
Open the protection guard and set toggle switch RH to the ON position.
Set the toggle switch LH to the AUTO position.	The FLAs of the forward and aft overwing emergency-exit-doors from the right side engage.
CAUTION: IF OR WHEN THE VENT FLAP STARTS TO OPEN, IMMEDIATELY STOP MOVEMENT OF THE OVERWING EMERGENCY-EXIT-DOOR HANDLE. IF YOU DO NOT OBEY THIS INSTRUCTION, DAMAGE TO EQUIPMENT CAN OCCUR. 9.On each overwing emergency-exit door:	On the overwing emergency-exit doors:
Carefully try to pull the door handle (3) to open it. NOTE: The forward and aft overwing emergency-exit-doors from the right side are locked and from the left side are unlocked.
Stop when the vent flap (4) starts to move.
NOTE: This is to see if the door handle (3) is blocked or not.	The door handles (3) of the forward and aft overwing emergency-exit-doors from the right side are blocked (the related vent flaps (4) do not open).
	The door handles (3) of the forward and aft overwing emergency-exit-doors from the left side are not blocked (the related vent flaps (4) start to open).
10.On panel 121VU:	On the ECAM DU:
Open circuit breaker 48WV.	Four FLA alerts come into view after three seconds:
	- "DOOR L FWD OVERWNG FAULT"
	- Sub-Title: "FLIGHT LOCK ENGAGED".
	- "DOOR L AFT OVERWNG FAULT"
	- Sub-Title: "FLIGHT LOCK ENGAGED".
	- "DOOR R FWD OVERWNG FAULT"
	- Sub-Title: "FLIGHT LOCK NOT AVAIL".
	- "DOOR R AFT OVERWNG FAULT"
	- Sub-Title: "FLIGHT LOCK NOT AVAIL". NOTE: It is necessary to use the CLR function key to get the message on the next page.
11.On panel 121VU:	On the ECAM DU:
Close circuit breaker 48WV.	All the FLA alerts go out of view.
12.On the MCDU:	On the MCDU:
Push the line key adjacent to the <RETURN indication to go out of the EIU interactive BITE mode.	The MCDU menu comes into view.
13.In the avionics compartment, on FLA test panel 72VU:
Set the toggle switch RH to the AUTO position.
Make sure that the toggle switch LH is in the AUTO position.
14.On panel 49VU:
Open circuit breaker 1GA.
15.On panel 121VU:
Open circuit breakers 2GA, 52GA, 58GA and 59GA.
Wait for 20 seconds.	The SYSTEM REPORT/TEST page goes out of view.
16.In the cockpit:	On the ECAM DU:
The FWC waits for the FLA command signals to become active.
Wait for 70 seconds.
NOTE: This is the necessary time for the FWC to collect and lock the FLA alerts.	No FLA alerts come into view.
17.On panel 49VU:	On the MCDU:
Close circuit breaker 1GA.
18.On panel 121VU:
Close circuit breakers 2GA, 52GA, 58GA and 59GA.
Wait for 10 seconds.	The SYSTEM REPORT/TEST page comes into view.
	On the ECAM DU:
	Four FLA alerts come into view:
	- "DOOR L FWD OVERWNG FAULT"
	- Sub-Title: "FLIGHT LOCK CTL FAULT".
	- "DOOR L AFT OVERWNG FAULT"
	- Sub-Title: "FLIGHT LOCK CTL FAULT".
	- "DOOR R FWD OVERWNG FAULT"
	- Sub-Title: "FLIGHT LOCK CTL FAULT".
	- "DOOR R AFT OVERWNG FAULT"
	- Sub-Title: "FLIGHT LOCK CTL FAULT".
19.In the avionics compartment, on FLA test panel 72VU:	On the ECAM DU:
Push and hold the CLEAR FLA ALERTS pushbutton (45WN) for more than five seconds.	All the FLA alerts go out of view after five seconds.

5. Close-up
Subtask 52-22-00-865-080-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	ANTI ICE/PROBES/AOA/1	4DA1	D04
49VU	ANTI ICE/PROBES/PITOT/1	3DA1	D02
122VU	ANTI ICE/WINDOWS/R	4DG2	W14
122VU	ANTI ICE/WHC/2	5DG2	W13
122VU	ANTI ICE/WINDOWS/L	4DG1	X14
122VU	ANTI ICE/WHC/1	5DG1	X13
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/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
123VU	ANTI ICE/L/WHSLD	1DG1	AF10
123VU	ANTI ICE/R/WHSLD	1DG2	AF03

Subtask 52-22-00-410-080-A ** ON A/C NOT FOR ALL

B. Close Access

WARNING: DO NOT OPEN THE DOOR IN THIS POSITION TO PREVENT EMERGENCY ESCAPE SLIDE DEPLOYMENT. ACCIDENTAL DEPLOYMENT OF THE EMERGENCY ESCAPE SLIDE CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.

(1) Put the slide release shaft in the ARMED position:
(a) For overwing emergency-exit door 833( 843) (1):

Pull the lever (8) to the right and turn it counterclockwise until the lever (8) is released from the disarm bracket (7).
Make sure that the release shaft clutch engages and the slide release lever (6) is in front of the fuselage lever (5).

(b) For overwing emergency-exit door 834( 844) (1):

Pull the lever (8) to the left and turn it clockwise until the lever (8) is released from the disarm bracket (7).
Make sure that the release shaft clutch engages and the slide release lever (6) is in front of the fuselage lever (5).

(2) Install the handle cover (2) on the overwing emergency-exit door (1).

NOTE: The white SLIDE ARMED indicator light in the cabin lining between the overwing emergency-exit doors goes off when the handle covers (2) of the two active overwing emergency-exit doors on one side are installed.

NOTE: In the cockpit, on the "DOOR/OXY" page of the ECAM DU, the symbol of the related overwing emergency-exit door changes from the amber filled box to the green empty box.

(3) Obey the special precautions after you completed the work on the offwing escape-slide systems (Ref. AMM TASK 25-62-00-081-001).
(4) Close access door 824 (Ref. AMM TASK 52-41-00-410-002).
(5) Remove the access platform(s).

Subtask 52-22-00-860-120-A ** ON A/C NOT FOR ALL

C. Aircraft Maintenance Configuration
(1) Make sure that the work area is clean and clear of tools and other items.
legend is on).
(2) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002).
(3) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.02 06:27:39 UTC