# SDR UALA2008121206857

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2008
- Submitted: December 15, 2008
- Operation: Air carrier
- Aircraft: [N668UA](https://openairdocs.org/aircraft/N668UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 30024
- Aircraft time: 34,717 hours, 9,531 cycles
- Engine: Pwa PW4056
- Engine time: 28,715 hours, 5,859 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Vibration
- Location: Left
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2008121206857

## Discrepancy

CREW REPORT:  L ENG VIB INDICTOR READS 3.2 IN CRUISE FL380 M.80 NO SIGNIFICANT VIBRATION NOTED.  AT TOP OF DESCENT AS THROTTLES CAME BACK TO IDLE AIRFRAME VIBRATION NOTED FOR ABOUT 5 SEC.  REPLACED ENGINE.

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