# SDR HEEA060655

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N2761N](https://openairdocs.org/aircraft/N2761N), registered now
- Make and model: Bell 206L-1
- Registry model: [Bell 206L-1](https://openairdocs.org/model/bell-helicopter-textron-206l-1) (OpenAirDocs)
- Aircraft serial: 45277
- Engine: Allsn 250C28B
- System (JASC): [7323 · Turbine Governor](https://openairdocs.org/jasc/7323)
- Part: Governor
- Part number: 25246929
- Condition: Malfunctioned
- Location: Engine
- 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/HEEA060655

## Discrepancy

IN CRUISE FLIGHT, PILOT EXPERIENCED TORQUE OSCILLATIONS AND YAW WITH CORRESPONDING TORQUE, TOT, N1 AND N2 INDICATIONS. REMOVED GOVERNOR AND FOUND SHAFT HARD TO TURN.  A LARGE AMOUNT OF METAL PARTICLES WERE FOUND IN THE MOUNTING FLANGE AREA.  FOUND DRIVE BEARINGS TO HAVE FAILED, SUSPECT A BEARING WASH-OUT.  UNIT OVERHAULED TO MFG SPECS.

---
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.