# SDR ASAA1058284

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2010
- Submitted: September 20, 2010
- Operation: Air carrier
- Aircraft: [N594AS](https://openairdocs.org/aircraft/N594AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35191
- Aircraft time: 9,394 hours, 3,013 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Hf Comm
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: NR
- 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/ASAA1058284

## Discrepancy

NR 1 HF TESTED NORMALLY NR 2 HF GARBLED & UNREADABLE.  PERFORMED BITE TEST ON NR 2 HF XCVR TEST NORMAL REF AMM 23 11 00 710 801.  PERFORMED HF COMMUNICATION SYS TEST ON NR 2 HF WHILE PERFORMING NR 2 HF RADIO CHECK VOICES CAME IN CLEAR AND READABLE OPS NORMAL REF AMM 23 11 00 730 801.  VERIFICATION FLIGHT SUCCESSFUL.

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