# SDR ASAA2021083135833

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 31, 2021
- Submitted: September 2, 2021
- Operation: Air carrier
- Aircraft: [N586AS](https://openairdocs.org/aircraft/N586AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35189
- Aircraft time: 50,153 hours, 15,122 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Warning Message
- Condition: False Activation
- Location: Nr 1 Hf System
- 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/ASAA2021083135833

## Discrepancy

HF 1 FAIL INDICATED ON RADIO TUNE PANEL. GROUNDED - YES. PERFORMED BITE TEST PER B737-800 FIM 23-11-801. NO FAULTS AND HF 1 OPERATES NORMAL. NO HISTORY PAST 30 DAYS. GROUND VERIFICATION SUCCESSFUL. SEAMC MIKE NOTIFIED.

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