# SDR ASAA2019102631135

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 2019
- Submitted: November 6, 2019
- Operation: Air carrier
- Aircraft: [N519AS](https://openairdocs.org/aircraft/N519AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36482
- Aircraft time: 40,715 hours, 12,076 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Unknown
- Condition: Malfunctioned
- Location: Hf Comm
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019102631135

## Discrepancy

HF RADIOS ARE NOT TRANSMITTING. GROUNDED - YES. REF L/P 12139150 FOR FLIGHT CREWS VERIFIED BOTH HF RADIOS OPERATE NORMALLY. BOTH HF RADIOS COMMUNICATION TEST OK PER B737-800 AMM TASK 23-11-00-730-801. REMOVED MEL 23-11C.

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