# SDR CA000310009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2000
- Submitted: April 14, 2000
- Operation: Air carrier
- Make and model: Bell 206L
- Registry model: [Bell 206L](https://openairdocs.org/model/bell-206l) (OpenAirDocs)
- Aircraft time: 13,557 hours
- Engine: Allsn 250C20R
- System (JASC): [7323 · Turbine Governor](https://openairdocs.org/jasc/7323)
- Part: Spline Adapter
- Part number: 23065123
- Condition: Loose
- Location: Governor
- Component: Engine, Amtrvn, 250C20R
- Stage of operation: CL
- How discovered: V
- Nature of condition: R, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA000310009

## Discrepancy

(CAN) DURING ENGINE POWER CHECK, IT WAS NOTED THAT BOTH N2 AND NR SPEEDS DROPPED BELOW NORMAL.  ENGINE ALSO OVERSPEED ABOVE NORMAL WHILE LOWERING COLLECTIVE.  GOVERNOR REMOVED AND LOOSE SPLINES WERE FOUND WHERE ENGAGING INTO ENGINE GEARBOX.  SOME SPLINE PARTS WERE LATER FOUND IN THIS AREA.

---
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.
