# SDR ASAA201911153336

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2019
- Submitted: November 16, 2019
- Operation: Air carrier
- Aircraft: [N536AS](https://openairdocs.org/aircraft/N536AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35203
- Aircraft time: 30,375 hours, 8,709 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Transceiver
- Part number: 8220990004
- Part serial: 17H5P2
- Condition: Failed
- Location: Nr 2 Hf Comms
- Part time: 33,737 hours, 9,998 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA201911153336

## Discrepancy

#2 HF RADIO WILL NOT TRANSMIT OR RECEIVE. GROUNDED - YES. REMOVED #2 HF XVR PER B737-800 AMM 12-11-21-000-801. INSTALLED #2 HF XVR PER AMM 12-1-21-400-801. PERFORMED INSTALLATION TEST OF #2 HF XVR PER SAME. TEST IS GOOD. PERFORMED HF SYSTEM TEST PER AMM 23-11-000-730-801.

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