FMS or Navigation Systems Malfunction

TASK 22-83-00-810-894-A
FMS or Navigation Systems Malfunction

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 22-96-00-710-001	Operational Test of the AFS

3. Fault Confirmation
Subtask 22-83-00-710-187-A

A. Not Applicable.

4. Fault Isolation
Subtask 22-83-00-810-179-A ** ON A/C NOT FOR ALL

A. Do a check for a maintenance message (AFS or NAV) on the POST FLIGHT REPORT.
If there is no message, no maintenance action is necessary.
If there is a message, do the trouble shooting procedure related to the maintenance message.

Subtask 22-83-00-810-179-B ** ON A/C NOT FOR ALL

A. Do an operational test of the AFS AMM 22-96-00-710-001.
(1) If the test is OK:

no maintenance action is necessary.

(2) If the test is not OK:

Do the related trouble shooting procedure.

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