# SDR UALA2011112106400

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 2011
- Submitted: November 28, 2011
- Operation: Air carrier
- Aircraft: [N786UA](https://openairdocs.org/aircraft/N786UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26938
- Aircraft time: 64,434 hours, 9,370 cycles
- Engine: Pwa PW40903
- System (JASC): [2312 · VHF Communications System](https://openairdocs.org/jasc/2312)
- Part: Transceiver
- Part number: 8220693120
- Part serial: 22
- Condition: Weak
- Location: Vhf Comm
- Stage of operation: NR
- 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/UALA2011112106400

## Discrepancy

SUSPECT WEAK TRANSMITTER LIMITED RANGE ON L VHF.  REPLACED L VHF TRANSCEIVER PER AMM.  MAT TEST AND GRND TEST OKAY.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
