# SDR ASAA2023040342692

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2023
- Submitted: April 4, 2023
- 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: 38,676 hours, 12,347 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: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023040342692

## Discrepancy

HF 1 HAS NO SIDETONE OR VOICE TRANSMITTING. HF 2 HAS NORMAL SIDETONE AND VOICE TRANSMITTING. GROUNDED - YES. RESET #1 HF TRANSCIEVER, #1 HF BITE IS NORMAL. RADIO CHECK IS GOOD WITH SFO ARINC ALONG WITH SELCAL TEST REF B737-900 AMM 23-11-00.

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