# SDR ASAA2016021615479

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2016
- Submitted: February 18, 2016
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 34,243 hours, 10,212 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Radio
- Condition: Malfunctioned
- Location: Nr 1 Hf
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016021615479

## Discrepancy

HF NR 1 RADIO IS ONLY RECEIVING ON A 5 X 1 STATUS WITH BOTH ATC AND OTHER ACFT.  APPEARS TO TRANSMIT OK.  ACFT GROUNDED.  PERFORMED AMM TASK 23-11, TASK 806. FAULT ISOLATION WHEN PLANE ON GROUND.  PERFORMED AMM 23-11, TASK 801 BITE PROCEDURE.  NO FAULTS NOTED. OK FOR CONTINUED SERVICE.

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