Failure of the FMGC1 for the Cabin Pressure Controller

TASK 22-83-00-810-876-A
Failure of the FMGC1 for the Cabin Pressure Controller

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 21-31-00-710-002	Operational Test of the Pressure Control and Monitoring
AMM 22-83-34-000-001	Removal of the FMGC
AMM 22-83-34-400-001	Installation of the FMGC

3. Fault Confirmation
Subtask 22-83-00-710-178-A

A. Test
(1) Do the operational test of the pressure control and monitoring AMM 21-31-00-710-002.

4. Fault Isolation
Subtask 22-83-00-810-158-A

A. If the test gives the maintenance message FMGS1 OUT OF RANGE:

Subtask 22-83-00-710-179-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:25:34 UTC