Reactivation of LGCIU-2

TASK 32-31-00-440-804-A
Reactivation of LGCIU-2

ZONE: 210
FIN: 5GA2

1. Reason for the Job
MMEL 32-31-01
LANDING GEAR CONTROL AND INTERFACE UNIT NO. 2 (FAA ONLY)
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 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
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
TASK 32-31-00-720-002-A	Functional Test of the Normal Extension and Retraction of the Landing Gear
TASK 32-69-00-740-001-A	BITE Check of Landing-Gear Control Interface-Unit (LGCIU) With Use of MCDU to Ensure that Continuous BITE is Operative

3. Job Set-up
Subtask 32-31-00-861-063-A

A. Aircraft Maintenance Configuration
(1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

Subtask 32-31-00-941-103-A

B. Safety Precautions
(1) Obey the applicable safety precautions (Ref. AMM TASK 32-00-00-860-001).

Subtask 32-31-00-865-143-A

C. Table of the circuit breakers used in this procedure:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	LGCIU/BAT SPLY/SYS2	59GA	R33
** ON A/C ALL
121VU	HYDRAULIC/LGCIU/SYS2	2GA	Q35
** ON A/C NOT FOR ALL
121VU	LGCIU/BAT SPLY/SYS2	59GA	R32

4. Procedure
Subtask 32-31-00-440-054-A

A. Reactivation of LGCIU-2
(1) Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

2GA
59GA.

(2) After you close the LGCIU circuit breaker, put the aircraft back to the ground configuration (Ref. AMM TASK 32-00-00-860-002).

Subtask 32-31-00-740-052-A

B. BITE
(1) Do the BITE test of the LGCIU (Ref. AMM TASK 32-69-00-740-001).

NOTE: As an alternative procedure, you can do the functional test normal extension and retraction of the landing gear (Ref. AMM TASK 32-31-00-720-002).

5. Close-up
Subtask 32-31-00-410-087-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.

Subtask 32-31-00-860-154-A

B. Put the aircraft back to its initial configuration.
(1) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.04.01 00:43:45 UTC