# SDR ASAA2018122437515

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 23, 2018
- Submitted: December 24, 2018
- Operation: Air carrier
- Aircraft: [N486AS](https://openairdocs.org/aircraft/N486AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44107
- Aircraft time: 13,172 hours, 4,376 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Warning Light
- Condition: False Activation
- Location: Nr 2 Hf Comms
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018122437515

## Discrepancy

HF #2 SHOWS "FAIL" ON BOTH RADIO CONTROL HEADS. GROUNDED - YES. RESET #2 HF C/B AND CLEARED "FAIL" MESSAGE ON BOTH RADIO CONTROL HEADS. OPS CHECKS OK.

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