# SDR ASAA2022122841308

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2022
- Submitted: December 30, 2022
- Operation: Air carrier
- Aircraft: [N403AS](https://openairdocs.org/aircraft/N403AS), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 41730
- Aircraft time: 37,715 hours, 12,044 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Transceiver
- Part number: 8220990004
- Part serial: 16GF16
- Condition: Failed
- Location: Nr 1 Hf Comms
- Part time: 54,496 hours, 16,987 cycles
- 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/ASAA2022122841308

## Discrepancy

UNABLE TO TRANSMIT OR RECIEVE ON #1 HF RADIO. GROUNDED - YES. REMOVED AND REPLACED #1 HF TRANSCEIVER IAW B737-900 AMM 23-11-21.

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