# SDR ASAA2012103093214

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2012
- Submitted: November 1, 2012
- Operation: Air carrier
- Aircraft: [N588AS](https://openairdocs.org/aircraft/N588AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35685
- Aircraft time: 18,875 hours, 5,960 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Unknown
- Condition: Unknown
- Location: Hf Radio
- Stage of operation: NR
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2012103093214

## Discrepancy

NR 1 HF RADIO DISPLAYS SHOW FAIL.  CAN SET NEW FREQENCIES WHEN TURNING KNOBS (REVERTS TO NORMAL DISPLAY FOR SEVERAL SECOND THEN FAIL LTS RETURN) WORKS OK EVEN WITH FAIL LTS NR 2 HF WORKS NORMAL.  ACCOMPLISHED HF COMM SYS BITE TEST IAW FIM TASK 23-11-801.  NO FAULTS FOUND.  R & R HF TRANSCEIVER PRECAUTIONARY REF AMM 23-11-21.  ACCOMPLISHED HF COM OPS TEST IAW AMM 23-11-00-710-801. OPS CHECKED GOOD.

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