# SDR ASAA2022102040412

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2022
- Submitted: October 24, 2022
- Operation: Air carrier
- Aircraft: [N568AS](https://openairdocs.org/aircraft/N568AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35183
- Aircraft time: 55,356 hours, 16,547 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Transceiver
- Part number: 8220990004
- Part serial: 1870GP
- Condition: Faulty
- Location: E/E Rack E8
- Part time: 39,184 hours, 11,422 cycles
- 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/ASAA2022102040412

## Discrepancy

NO. 2 HF RADIO FAILED. LOUD TONE LIKE TUNING TONE. UNABLE TO TRANSMIT OVER. GROUNDED - YES. R&R HF 2 R/T. HF 2 CHECKS OK REF B737-800 AMM 23-11-21.

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