# SDR ASAA2014021006820

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2014
- Submitted: February 12, 2014
- Operation: Air carrier
- Aircraft: [N570AS](https://openairdocs.org/aircraft/N570AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35185
- Aircraft time: 26,516 hours, 7,910 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Hf Comm
- Condition: Abnormal
- Location: Nr 1
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2014021006820

## Discrepancy

NR 1 HF RADIO GARBLED AND UNREADABLE DURING RECEPTION, TRANSMIT FUNCTION WORKS AND IS RECEIVED BY RADIO AS LOUD AND CLEAR.  ACFT GROUNDED.  PERFORMED HF NR 1 OPS CHECK IAW MM 23-11-00-710-801. PASSED, NO DEFECT NOTED. CREW REPORTED WORKED FINE IN FLIGHT. NO HISTORY 90 DAYS.

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