Failure of ATC Applications
TASK 46-21-00-810-854-A
Failure of ATC Applications
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 46-21-00-740-152-A ** ON A/C NOT FOR ALL 4. Fault Isolation
Subtask 46-21-00-810-103-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:34:21 UTC
Failure of ATC Applications
1. Possible Causes
- ATSU [1TX1]
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) |
Subtask 46-21-00-740-152-A ** ON A/C NOT FOR ALL 4. Fault Isolation
Subtask 46-21-00-810-103-A ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message ATSU1(1TX1):
Subtask 46-21-00-740-153-A ** ON A/C NOT FOR ALL - do the uploading procedure of the ATC applications AMM 46-21-00-610-001, AMM 46-21-00-610-001, AMM 46-21-00-610-001 or AMM 46-21-00-610-001.
- replace the ATSU [1TX1] AMM 46-21-34-000-001 and AMM 46-21-34-400-001.
B. Do the test given in Para. 3.A.