# SDR ASAA201910231080

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2019
- Submitted: October 23, 2019
- Operation: Air carrier
- Aircraft: [N518AS](https://openairdocs.org/aircraft/N518AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35693
- Aircraft time: 40,664 hours, 12,133 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/ASAA201910231080

## Discrepancy

HF1 RADIO DISPLAYS FAIL MESSAGE. GROUNDED - YES. PERFORMED HF COMMUNICATION SYST BITE PROCEDURES B737-800 FIM TASK 23-11-00-810-801. FAIL MSG. EXTINGUISHED. NO FAULT NOTED.

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