# SDR CA980521001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Bell 206B
- Registry model: [Bell 206B](https://openairdocs.org/model/bell-206b) (OpenAirDocs)
- Engine: Allsn 250C20
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Drive Shaft
- Part number: 206040931009
- Condition: Failed
- Location: T/R Drive
- Part time: 10,000 hours
- Stage of operation: CL
- Nature of condition: F
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA980521001

## Discrepancy

(CAN) ON CLIMBOUT AT LOW SPEED, SUDDEN UNCONTROLLABLE YAW TO THE RIGHT.  AFTER SEVERAL 360 DEGREE TURNS, AIRCRAFT SETTLED INTO TREES.  NR 2 SECTION OF T/R DRIVESHAFT BONDED COUPLING FAILED.  CTSB INVESTIGATING.

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