# SDR 9WGA2021080655131

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2021
- Submitted: August 6, 2021
- Operation: Air carrier
- Aircraft: [N513SN](https://openairdocs.org/aircraft/N513SN), registered now
- Make and model: Doug MD-11
- Registry model: [Doug MD-11](https://openairdocs.org/model/mcdonnell-douglas-md-11) (OpenAirDocs)
- Aircraft serial: 48513
- Aircraft time: 85,640 hours, 14,275 cycles
- Engine: Ge CF680C2D1F
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Compressor
- Condition: Vibration
- Location: Nr 3 Engine
- Stage of operation: CL
- How discovered: V
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9WGA2021080655131

## Discrepancy

DIVERSION DUE TO ENG 3 VIB HIGH COMP OVER 4.0 ON CLIMB ON MULTIPLE OCCASION AND HAD TO RETARD #3 MORE THAN 1 CROWN TO REDUCE THE VIBRATION.

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