Loss of FD Engagement in Crossed Bars at Go Around

TASK 22-11-00-810-836-A
Loss of FD Engagement in Crossed Bars at Go Around

1. Possible Causes

wiring of the FD ENGAGEMENT IN CROSSED BARS AT GO AROUND signal (pin program)
FCU [2CA]

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 22-81-12-000-001	Removal of the FCU
AMM 22-81-12-400-001	Installation of the FCU
ASM 228506

3. Fault Confirmation
Subtask 22-11-00-710-105-A

A. Not applicable

4. Fault Isolation
Subtask 22-11-00-810-092-A

A. Do a check and repair of the wiring of the FD ENGAGEMENT IN CROSSED BARS AT GO AROUND signal (pin program) on the FCU:
(1) remove the FCU [2CA] AMM 22-81-12-000-001:

check that Pins S respectively on the connectors A and B are grounded ASM 228506
install the FCU AMM 22-81-12-400-001.

(2) If the fault continues:

replace the FCU [2CA] AMM 22-81-12-000-001 AMM 22-81-12-400-001.

Subtask 22-11-00-710-106-A

B. Not applicable.

[Rev.8 from Aug 2018] 2026.04.04 04:25:08 UTC