# SDR ASAA12511060

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2012
- Submitted: February 8, 2012
- Operation: Air carrier
- Aircraft: [N590AS](https://openairdocs.org/aircraft/N590AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35687
- Aircraft time: 15,345 hours, 4,855 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Transceiver
- Part number: 8220990004
- Part serial: 17TC9L
- Condition: Inoperative
- Location: E&E Bay
- Part time: 7,573 hours, 2,396 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA12511060

## Discrepancy

NR 1 HF RADIO INOP.  PERF HF NR 1 FAULT ISOLATION PER 23 11 00 810 803.  CONFIRMED NR 1 HF TRANSCEIVER INOP.  REPLACED NR 1 HF TRANSCEIVER PER 23 11 00 810 803/400 801, OPS CHECK NORMAL PER SAME.

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