# SDR CA120229002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 25, 2012
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Bell 206B
- Registry model: [Bell 206B](https://openairdocs.org/model/bell-206b) (OpenAirDocs)
- Aircraft time: 15,889 hours
- Engine: Allsn 250C20B
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Seal
- Part number: 206040002
- Condition: Leaking
- Location: Transmission
- Component: Transmission
- Component part number: 206040002
- Stage of operation: IN
- How discovered: 9
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA120229002

## Discrepancy

(CAN) DURING 24 MONTH INSPECTION THE MAIN ROTOR TRANSMISSION WAS FOUND TO HAVE AN INPUT SEAL LEAK.  TRANSMISSION REPLACED.

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