# SDR ASAA2023061043514

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2023
- Submitted: June 12, 2023
- Operation: Air carrier
- Aircraft: [N408AS](https://openairdocs.org/aircraft/N408AS), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 41732
- Aircraft time: 38,563 hours, 12,200 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Transceiver
- Part number: 8220990004
- Part serial: 17TD5F
- Condition: Failed
- Location: E/E Bay, E8-1
- Part time: 47,464 hours, 14,933 cycles
- Stage of operation: TX
- 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/ASAA2023061043514

## Discrepancy

ON PREFLIGHT CHECK FOUND HF #2 ANNUNCIATING FAIL. GROUNDED - YES. REMOVED AND REPLACED #2 HF TRANSCEIVER IN REFERENCE WITH B737-900 AMM 23-11-21-400-801.

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