# SDR ASAA2018032324024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2018
- Submitted: March 26, 2018
- Operation: Air carrier
- Aircraft: [N569AS](https://openairdocs.org/aircraft/N569AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35184
- Aircraft time: 42,120 hours, 12,906 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Circuit Breaker
- Condition: Malfunctioned
- Location: Nr 1 Hf Radio
- 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/ASAA2018032324024

## Discrepancy

NR 1 HF RADIO HAS A FAIL IN THE ACTIVE AND STANDBY FREQUENCY DISPLAYS.  ACFT GROUNDED.  CYCLED THE NR 1 HF CIRCUIT BREAKER. OP CHECKED NORMAL IAW FIM 23-11, TASK 801.

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