# SDR UALA2009080602385

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2009
- Submitted: August 7, 2009
- Operation: Air carrier
- Aircraft: [N792UA](https://openairdocs.org/aircraft/N792UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26934
- Aircraft time: 53,825 hours, 7,815 cycles
- Engine: Pwa PW40903
- Engine time: 31,955 hours, 4,340 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Surges
- Stage of operation: CR
- 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/UALA2009080602385

## Discrepancy

ENGINE HAD A SILENT SURGE.

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