# SDR ASAA2015052511847

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2015
- Submitted: May 27, 2015
- Operation: Air carrier
- Aircraft: [N590AS](https://openairdocs.org/aircraft/N590AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35687
- Aircraft time: 28,232 hours, 8,624 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Hf Comm
- Condition: Malfunctioned
- Location: Nr 1
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015052511847

## Discrepancy

CAPTAIN REPORTED HF NR 1 FAIL LIGHT ON WINDOW.  HF1 OPS NORMAL.  ACFT GROUNDED.  RESET CONTROL HEAD FOR CAPTAIN VHF NR 1, HF NR 1 COMM BY RESETTING C/B'S P18-2-D11 AND P18-2-E11. PERFORMED GROUND VERIFICATION.  OPS CHECK HF1, VHF1 RADIO.  OPS CHECK NORMAL.  NO HISTORY 30 DAYS, REF FIM TASK 23-11, TASK 802.

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