# SDR ASAA2019030528479

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 2019
- Submitted: March 7, 2019
- Operation: Air carrier
- Aircraft: [N513AS](https://openairdocs.org/aircraft/N513AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35192
- Aircraft time: 39,835 hours, 11,904 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019030528479

## Discrepancy

HF NR 1 FAIL, CYCLED POWER OP CHECK NORMAL. GROUNDED - YES. UNABLE TO DUPLICATE HF NR 1 ISSUES. OPS CHECK GOOD.

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