DOC AIRBUS | TSM A320FChange of ATC Code at Electrical Power Transfert
TASK 34-52-00-810-837-A
Change of ATC Code at Electrical Power Transfert
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 34-52-00-740-114-A 4. Fault Isolation
Subtask 34-52-00-810-092-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:33:24 UTC
Change of ATC Code at Electrical Power Transfert
1. Possible Causes
- CTL UNIT-ATC/TCAS [3SH]
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 34-52-00-740-004 | BITE Test of the ATC |
| AMM 34-52-12-000-001 | Removal of the ATC/TCAS Control Unit |
| AMM 34-52-12-400-001 | Installation of the ATC/TCAS Control Unit |
Subtask 34-52-00-740-114-A 4. Fault Isolation
Subtask 34-52-00-810-092-A ** ON A/C NOT FOR ALL
A. If the BITE test gives the maintenance message ATC1: NO DATA FROM CONTROL SOURCE or ATC2: NO DATA FROM CONTROL SOURCE:
Subtask 34-52-00-810-092-B ** ON A/C NOT FOR ALL - replace the CTL UNIT-ATC/TCAS [3SH] AMM 34-52-12-000-001 and AMM 34-52-12-400-001.
A. If the BITE test gives the maintenance message ATC CTL PNL (3SH) / ATC1(1SH1) or ATC CTL PNL (3SH) / ATC2(1SH2)
Subtask 34-52-00-740-115-A - replace the CTL UNIT-ATC/TCAS [3SH] AMM 34-52-12-000-001 and AMM 34-52-12-400-001.
B. Do the test given in Para. 3.