# SDR 99ZZZX2056

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N165BH
- Make and model: Bell 206L-1
- Registry model: [Bell 206L-1](https://openairdocs.org/model/bell-helicopter-textron-206l-1) (OpenAirDocs)
- Aircraft serial: 45249
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Adapter
- Part number: 206040328003
- Condition: Loose
- Location: T/R Driveshaft
- Part time: 7,015 hours
- Component: 206040325017
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX2056

## Discrepancy

ONE BOLT AND NUT WERE FOUND SEPARATED FROM TAIL ROTOR DRIVESHAFT.  THE DRIVESHAFT DISCONNECTED AND BROKE A FITTING ON POWER TURBINE GOVERNOR.  THIS RESULTED IN LOSS OF TAIL ROTOR AUTHORITY AND ENGINE POWER.  PILOT PERFORMED AN EMERGENCY LANDING.

---
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.
