# SDR ASAA2021032234380

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2021
- Submitted: March 24, 2021
- Operation: Air carrier
- Aircraft: [N532AS](https://openairdocs.org/aircraft/N532AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36346
- Aircraft time: 39,462 hours, 11,694 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Hf Comm
- Condition: Malfunctioned
- Location: Nr 1
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021032234380

## Discrepancy

HF#1 TRANSMITS BUT RECEPTION IS COMPLETELY GARBLED AND ILLEGIBLE/ NOT UNDERSTANDABLE. GROUNDED - YES. ACCOMPLISHED OPS TEST WITH NO FAULTS FOUND REF B737-800 AMM 23-11-00. ACCOMPLISHED HF COMM BITE REF B737-800 FIM 23-11 TASK 801 WITH NO FAULTS FOUND. GROUND VERIFICATION TEST SUCCESSFUL.

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