Failure of the AOC Application

TASK 46-21-00-810-802-A
Failure of the AOC Application

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 46-21-00-610-001	Uploading of the ATSU Software with the PDL (SFIM or equivalent)
AMM 46-21-00-740-001	BITE Test of the ATIMS
AMM 46-21-34-000-001	Removal of the Air Traffic Service Unit (ATSU)
AMM 46-21-34-400-001	Installation of the Air Traffic Service Unit (ATSU)

3. Fault Confirmation
Subtask 46-21-00-740-054-A

A. Test
(1) Do the BITE test of the ATIMS AMM 46-21-00-740-001.

4. Fault Isolation
Subtask 46-21-00-810-052-A

A. If the test gives the maintenance message AOC RAOC/ATSU1(1TX1) or if the AOC prompt is not shown on the ATSU DATALINK page on the MCDU:

load an AOC database with a Part Number that is different to the one applicable to this aircraft AMM 46-21-00-610-001.
start the ATSU again
then load the AOC database with the Part Number applicable to this aircraft.

(1) If the fault continues:

Subtask 46-21-00-740-055-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:34:18 UTC