# SDR YTRA10341

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2010
- Submitted: December 8, 2010
- Operation: Air carrier
- Aircraft: N239RA
- Make and model: Bell 206B-3
- Registry model: [Bell 206B-3](https://openairdocs.org/model/bell-helicopter-textron-206b-3) (OpenAirDocs)
- Aircraft serial: 4039
- Aircraft time: 10,553 hours
- Engine: Allsn 250C20
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Spindle
- Part number: 206031554003
- Part serial: MW790
- Condition: Cracked
- Location: Transmission
- Component: Transmission, Bell
- Component part number: 206040002115
- 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/YTRA10341

## Discrepancy

DURING ROUTINE O/H OF TRANSMISISON ASSY PN 206-040-002-115, SN A189, FOUND SPINDLE CRACKED.

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