# SDR 97ZZZX1323

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Engine: Allsn 250C20B
- System (JASC): [7210 · Turbine Engine Reduction Gear](https://openairdocs.org/jasc/7210)
- Part: Pinion Gear
- Part number: 6889700
- Condition: Worn
- Location: Gearbox
- Part time: 4,889 hours
- Component: 6886442
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX1323

## Discrepancy

INTERNAL SPLINES WORN OR AT LEAST BEYOND MAXIMUM LIMITS.  NO WEAR STEP.  BOTH BEARINGS JOURNALS .0002 INCH BELOW MINIMUM DIAMETER.

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