# SDR ASAA2017111222547

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2017
- Submitted: November 14, 2017
- Operation: Air carrier
- Aircraft: [N494AS](https://openairdocs.org/aircraft/N494AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41729
- Aircraft time: 7,067 hours, 2,320 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Transceiver
- Part number: 8220990004
- Part serial: 473FH0
- Condition: Failed
- Location: Hf Comms
- Part time: 7,070 hours, 2,321 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017111222547

## Discrepancy

HF-1 CONTROL PANEL INDICATES FAILED.  ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 HF TRANSCEIVER.  OPS CHECK GOOD IAW AMM 23-11-21.

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