Pack 1 FCV (Pack 1 FCU) - Symbol replaced by Amber XX

TASK 21-51-00-810-811-A
Pack 1 FCV (Pack 1 FCU) - Symbol replaced by Amber XX

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 31-50-00-710-001	Ground Scanning of the Central Warning System
AMM 31-55-34-000-001	Removal of the SDAC
AMM 31-55-34-400-001	Installation of the SDAC

3. Fault Confirmation
Subtask 21-51-00-710-068-A

A. Do the operational test of the central warning system AMM 31-50-00-710-001.

4. Fault Isolation
Subtask 21-51-00-810-067-A

A. If the test gives the maintenance message SDAC1:
replace the SDAC-1 [1WV1] AMM 31-55-34-000-001 and AMM 31-55-34-400-001.

Subtask 21-51-00-720-050-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:24:47 UTC