# SDR ASAA2019102971156

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 2019
- Submitted: October 30, 2019
- Operation: Air carrier
- Aircraft: [N594AS](https://openairdocs.org/aircraft/N594AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35191
- Aircraft time: 44,102 hours, 13,205 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Hf Comm
- Condition: Malfunctioned
- Location: Nr 2
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019102971156

## Discrepancy

#2 HF WILL NOT TRANSMIT. GROUNDED - YES. PERFORMED B737-800 FIM 23-11-00-810-801. #2 HF BITE TESTS OK. PERFORMED FIM 23-11-00-810-806. PULLED AND RESET #2 HF C.B. AND OPS TEST OK PER FIM.

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