# SDR 2000ZZZX123

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Engine: Allsn 250C28B
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Gearshaft
- Part number: 23056634
- Condition: Worn
- Location: Spur Adapter
- 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/2000ZZZX123

## Discrepancy

SEVERE SPLINE WEAR WAS NOTED ON THE AFT END OF THE GEARSHAFT AFTER THE ENGINE WAS DISASSEMBLED FOR MAINTENANCE.  NO APPRECIABLE WEAR WAS NOTED ON THE SPLINES OF THE MATING PART.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.