# SDR ASAA2023052143314

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2023
- Submitted: May 23, 2023
- Operation: Air carrier
- Aircraft: [N593AS](https://openairdocs.org/aircraft/N593AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35107
- Aircraft time: 55,402 hours, 16,534 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023052143314

## Discrepancy

TRANSMIT ON HF1 RADIO HAS FAILED-RECEIVE SEEMS OK. GROUNDED - YES. PERFORMED B737-800 FIM 23-11 TASK 801 FOR THE BIT CHK. NO FAULTS FOUND. CONTACTED SFO AND NEIGHBORING AIRCRAFT, TRANSMISSION OK.

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