Loss of the FCU Inputs on the ADIRU2

TASK 34-13-00-810-942-A
Loss of the FCU Inputs on the ADIRU2

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

3. Fault Confirmation
Subtask 34-13-00-740-253-A

A. Test
Do the Interface test of the ADR (system 2) AMM 34-13-00-740-002.

4. Fault Isolation
Subtask 34-13-00-810-195-A ** ON A/C NOT FOR ALL

A. If the BITE test gives the maintenance message FCU (3CA):

Subtask 34-13-00-810-195-B ** ON A/C NOT FOR ALL

A. If the BITE test gives the maintenance message FCU (3CA) EIS CP-L BUS or FCU (3CA) EIS CP-R BUS:

Subtask 34-13-00-740-254-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:32:30 UTC