# SDR ASAA2015051211706

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2015
- Submitted: May 15, 2015
- Operation: Air carrier
- Aircraft: [N537AS](https://openairdocs.org/aircraft/N537AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35204
- Aircraft time: 13,093 hours, 3,907 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Transceiver
- Part number: 8220990004
- Part serial: 18RTDY
- Condition: Failed
- Location: Nr 2 Hf Sys
- Part time: 13,087 hours, 3,902 cycles
- Stage of operation: TX
- 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/ASAA2015051211706

## Discrepancy

HF 2 WILL NOT TUNE, NOR WILL IT TRANSMIT ON 8843, MULTIPLE FREQS ATTEMPTED.  ACFT GROUNDED.  REPLACED NR 2 HF TRANSEIVER IAW MM 23-11-21/401.  OPS GOOD.  GROUND VERIFICATION GOOD.

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