# SDR ASAA2019011327774

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2019
- Submitted: January 15, 2019
- Operation: Air carrier
- Aircraft: [N428AS](https://openairdocs.org/aircraft/N428AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36353
- Aircraft time: 11,531 hours, 3,792 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019011327774

## Discrepancy

NR 1 RADIO HF BOTH ACTIVE AND STANDBY READ FAIL. GROUNDED - YES. CYCLED POWER, PERFORMED TEST CHECK, REF AMM 23-12-00 OPS CHECK NORMAL , NO FAULT NOTED.

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