# SDR ASAA0956581

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2009
- Submitted: September 10, 2009
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 10,467 hours, 3,295 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Hf Comm
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: TX
- 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/ASAA0956581

## Discrepancy

NR 2 HF RADIO INOP.  VERIFIED NR 2 HF SHOWED FAIL ON CONTROL HEAD.  NO HISTORY PERFORMED NR 2 HF BITE WITH NO FAULTS.  VERIFIED COMMUNICATIONS WITH SFO ARINC REF 23 11 0, NO CURRENT FAULTS NOTED.

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