# SDR ASAA2019102873119

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 2019
- Submitted: October 28, 2019
- Operation: Air carrier
- Aircraft: [N536AS](https://openairdocs.org/aircraft/N536AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35203
- Aircraft time: 30,175 hours, 8,651 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Transceiver
- Condition: Malfunctioned
- Location: Hf Nr 2
- Stage of operation: CL
- 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/ASAA2019102873119

## Discrepancy

#2 HF RADIO INOP AFTER TAKEOFF. NO SIDE TONE AND CANNOT TRANSMIT NOR RECEIVE ON ANY FREQ. WOULD NOT TRANSMIT FROM CAPT'S AND F/O PUSH TO TALK SWITCHES AND HAND MICS. GROUNDED - YES. RESET #2 HF SYSTEM BITE AND OPS CK OK REF B737-800 AMM 23-11-00.ALSO COMMUNICATION TEST WITH SFO OCEANIC OK NORMAL. A/C OK FOR SERVICE.

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