# SDR AU000425

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2000
- Submitted: July 4, 2000
- Operation: General aviation
- Make and model: Bell 206B-3
- Registry model: [Bell 206B-3](https://openairdocs.org/model/bell-helicopter-textron-206b-3) (OpenAirDocs)
- Engine: Allsn 250C20B
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Main Rotor
- Condition: Damaged
- Location: Split Cone Half
- Part time: 2,616 cycles
- Component: Main Rotor Head, Bell, TRUNNION
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU000425

## Discrepancy

(AUS) MAIN ROTOR SPLIT CONE HALF INSTALLED UPSIDE DOWN.  MAIN ROTOR TRUNNION CHAMFER DAMAGED BY SHARP EDGE OF CONE.  MAST SPLIT CONE SEAT FRETTING.

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