Reactivation of the Flight Management and Guidance Computer (FMGC)

TASK 22-83-00-440-801-A
Reactivation of the Flight Management and Guidance Computer (FMGC)

1. Reason for the Job
MMEL 22-83-01
FLIGHT MANAGEMENT GUIDANCE COMPUTER (FMGC) (FAA ONLY)
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)

3. Job Set-up
Subtask 22-83-00-861-053-A

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

Subtask 22-83-00-865-053-A

B. 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	AUTO FLT/FMGC/1	10CA1	B02
** ON A/C NOT FOR ALL
49VU	AUTO FLT/FMGC/1	10CA1	H08
** ON A/C ALL
121VU	AUTO FLT/FMGC/2	10CA2	M17

4. Procedure
Subtask 22-83-00-440-050-A

A. Reactivation of the FMGC
(1) For the reactivation of FMGC1:
(a) Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

10CA1.

(2) For the reactivation of FMGC2:
(a) Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

10CA2.

5. Close-up
Subtask 22-83-00-862-051-A

A. Aircraft Maintenance Configuration
(1) Remove the placard from the cockpit.
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(3) Make sure that the work area is clean and clear of tools and other items.

[Rev.10 from 2021] 2026.03.31 23:11:15 UTC