# SDR ASAA2013032794298

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2013
- Submitted: April 1, 2013
- Operation: Air carrier
- Aircraft: [N570AS](https://openairdocs.org/aircraft/N570AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35185
- Aircraft time: 23,633 hours, 7,057 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Hf Comm
- Condition: Unknown
- Location: Nr 1
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2013032794298

## Discrepancy

NR 1 HF INOPERATIVE.  PERFORMED HF COMMUNICATION SYS TEST REF MM 23-11-00-730-801.  NO FAULTS NOTED.  PERFORMED HF COMMUNICATION SYS OPS TEST REF MM 23-11-00-710-801. NO FAULTS NOTED.  SIGNIFICANT GROUND SYS VERIFICATION SUCCESSFUL.  NO HISTORY FOR 90 DAYS.

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