Deactivation of the Flight Lock Actuator (FLA)

TASK 52-22-71-040-801-A
Deactivation of the Flight Lock Actuator (FLA)

Task Summary

Access	Test	Specific Tools	Mhr	E/T	Nb Men
YES	NO	NO	1.0	1.0	1

1. Reason for the Job
MMEL 52-10-09C
FLIGHT LOCK ACTUATOR
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
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 25-23-47-000-803-A	Removal of the Door Lining from the Overwing Emergency Exit
TASK 25-23-47-400-803-A	Installation of the Door Lining on the Overwing Emergency Exit
TASK 52-22-00-410-802-A	Closing of the Overwing Emergency-Exit Door from the Passenger Compartment
TASK 52-22-71-000-801-A	Removal of the Flight Lock Actuator (FLA)

3. Job Set-up
Subtask 52-22-71-860-069-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) Make sure that applicable overwing emergency exit 833 ( 843) or 834 ( 844) is closed, latched and locked (Ref. AMM TASK 52-22-00-410-802).

Subtask 52-22-71-865-071-A ** ON A/C NOT FOR ALL

B. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	EIS/SDAC1 AND 2/DOOR/DET/PAX	48WV	P05
122VU	FLIGHT LOCK OWD	40WN	U16

Subtask 52-22-71-010-058-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Remove the lining of applicable overwing emergency exit 833 ( 843) or 834 ( 844) (Ref. AMM TASK 25-23-47-000-803).

4. Procedure
Subtask 52-22-71-040-050-A ** ON A/C NOT FOR ALL

A. Deactivation of the FLA
(1) Remove the FLA (Ref. AMM TASK 52-22-71-000-801).

5. Close-up
Subtask 52-22-71-865-072-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
121VU	EIS/SDAC1 AND 2/DOOR/DET/PAX	48WV	P05
122VU	FLIGHT LOCK OWD	40WN	U16

Subtask 52-22-71-410-058-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the lining of applicable overwing emergency exit 833 ( 843) or 834 ( 844) (Ref. AMM TASK 25-23-47-400-803).

Subtask 52-22-71-860-070-A ** ON A/C NOT FOR ALL

C. Aircraft Maintenance Configuration
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(2) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.02 06:27:46 UTC