# SDR ASAA2019062769826

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 26, 2019
- Submitted: June 27, 2019
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 46,338 hours, 13,814 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Warning Message
- Condition: False Activation
- Location: Nr 1 Hf Comms
- 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/ASAA2019062769826

## Discrepancy

HF NR 1 SHOWS "FAIL" INDICATION. GROUNDED - YES. PERFORMED BITE CHECK ON NR 1 HF AND FOUND NO FAULTS, FAIL INDICATION WENT AWAY AND OPS CHECK GOOD B737-800 AMM/FIM 23-11 TASK 801 GROUND VERIFICATION SUCCESSFUL.

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