# SDR UALA2011112306445

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 22, 2011
- Submitted: December 19, 2011
- Operation: Air carrier
- Aircraft: [N780UA](https://openairdocs.org/aircraft/N780UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26944
- Aircraft time: 62,349 hours, 11,135 cycles
- Engine: Pwa PW4077
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Transceiver
- Part number: 8220330001
- Part serial: 76
- Condition: Failed
- Location: Hf Radio
- 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/UALA2011112306445

## Discrepancy

LEFT HF RADIO DOES NOT TRANSMIT OR RECEIVE.  REPLACED TRANSCEIVER PER MM, MAT TEST PASSED.

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