DOC AIRBUS | TSM A320FInvalid Data Received from RA 2 to ADR 1
TASK 34-13-81-810-878-A
Invalid Data Received from RA 2 to ADR 1
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 34-13-81-740-177-A ** ON A/C NOT FOR ALL 4. Fault Isolation
Subtask 34-13-81-810-130-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:32:39 UTC
Invalid Data Received from RA 2 to ADR 1
1. Possible Causes
- XCVR-RA, 2 [2SA2]
- coaxial cable
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| ESPM 2053230 | |
| AMM 34-13-00-740-003 | SYSTEM TEST of the ADR |
| ASM 344202 | |
| AMM 34-42-33-000-001 | Removal of the Radio Altimeter Transceiver |
| AMM 34-42-33-400-001 | Installation of the Radio Altimeter Transceiver |
Subtask 34-13-81-740-177-A ** ON A/C NOT FOR ALL 4. Fault Isolation
Subtask 34-13-81-810-130-A ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message RA2(2SA2):
Subtask 34-13-81-740-178-A ** ON A/C NOT FOR ALL - replace the XCVR-RA, 2 [2SA2] AMM 34-42-33-000-001 and AMM 34-42-33-400-001.
- remove the RA transceiver 2 (2SA2) AMM 34-42-33-000-001.
- do a check and replace if necessary the coaxial cable from the RA transceiver 2 (2SA2) (pin AA/C) and the RA reception antenna (5SA2) ASM 344202 ESPM 2053230.
- do a check and replace if necessary the coaxial cable from the RA transceiver 2 (2SA2) (pin AB/C) and the RA transmission antenna (6SA2) ASM 344202 ESPM 2053230.
- install the RA transceiver 2 (2SA2) AMM 34-42-33-400-001.
B. Do the test given in Para. 3.