# SDR ASAA2016112318809

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2016
- Submitted: November 28, 2016
- Operation: Air carrier
- Aircraft: [N564AS](https://openairdocs.org/aircraft/N564AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35103
- Aircraft time: 38,435 hours, 11,741 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Hf Comm
- Condition: Malfunctioned
- Location: Nr 1
- 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/ASAA2016112318809

## Discrepancy

NR 1 HF FAIL ILLUMINATED IN BOTH FREQUENCY WINDOWS.  ACFT GROUNDED. FOUND FAIL MESSAGE CAPTAINS RADIO TUNING PANEL. PERFORMED FIM 23-12 TASK 815. RESET POWER ON RADIO TUNING PANEL AND HF SYSTEM FAULT CLEARED.  PERFORMED GROUND VERIFICATION CHECK, GROUND VERIFICATION CHECKED GOOD.

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