# SDR ASAA2019103131215

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2019
- Submitted: November 5, 2019
- Operation: Air carrier
- Aircraft: [N494AS](https://openairdocs.org/aircraft/N494AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41729
- Aircraft time: 14,875 hours, 4,720 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019103131215

## Discrepancy

HF RADIO #2 "FAIL" ANNUNCIATED ON RADIO TUNING PANEL. GROUNDED - YES. CONFIRMED FAULT, HF RADIO #2 SHOWS "FAIL" ON RADIO TUNING PANEL. CYCLED AIRCRAFT POWER. PERFORMED HF COMMUNICATION SYSTEM - OPERATIONAL TEST REF B737-900 AMM 23-11-00-710-801 AND HF COMMUNICATION TEST - SYSTEM TEST REF AMM 23-11-00-730-801, GROUND VERIFICATION TESTS GOOD ON HF RADIO #2. OK FOR CONTINUED SERVICE.

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