# SDR ASAA2018061174961

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 2018
- Submitted: June 11, 2018
- Operation: Air carrier
- Aircraft: [N506AS](https://openairdocs.org/aircraft/N506AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35690
- Aircraft time: 38,022 hours, 11,664 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Warning Message
- Condition: False Activation
- Location: Nr 2 Hf Comms
- Stage of operation: NR
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018061174961

## Discrepancy

NR 2 HF DISPLAYED FAILED ON BOTH COM PANELS.  ACFT GROUNDED. PERFORMED FIM 23-11, TASK 802. CYCLED THE NR 2 HF CIRCUIT BREAKER AND PERFORMED FIM 23-11, TASK 801. NO DEFECTS NOTED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.