# SDR AU990748

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Beech C90
- Registry model: [Beech C90](https://openairdocs.org/model/beech-c90) (OpenAirDocs)
- Engine: Pwa PT6A20
- Propeller: Hartzl HCB3TN3
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Blade
- Part number: PCE24121
- Condition: Failed
- Location: Lt Engine
- Stage of operation: NR
- Nature of condition: X, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU990748

## Discrepancy

(AUS) LEFT ENGINE FAILED.  INVESTIGATION FOUND FAILURE OF ONE COMPRESSOR TURBINE BLADE DUE TO FATIGUE.  DAMAGE CAUSED TO THE OTHER BLADES.

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