# SDR 97ZZZX579

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Engine: Allsn 250C20B
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Pt Shaft
- Part number: 23034713
- Condition: Chipped
- Location: N2 Spline
- Part time: 4,612 hours
- Stage of operation: IN
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX579

## Discrepancy

ENGINE REJECTED DUE TO N2 SPLINE CHIPPED SHAFT.  THE FRONT END OF THE SPLINE WAS CHIPPED.  SUBMITTER BELIEVES THIS IS CAUSED AT INSTALLATION OF TURBINE GEARBOX.

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