# SDR CA120105004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 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: 14,595 hours
- Engine: Allsn 250C20B
- System (JASC): [7210 · Turbine Engine Reduction Gear](https://openairdocs.org/jasc/7210)
- Part: Gearbox
- Part number: 3024780
- Condition: Leaking
- Location: Reduction
- Part time: 8,091 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA120105004

## Discrepancy

(CAN) INTERMITTENT REDUCTION GEARBOX OIL VENTING AND ERRATIC OIL PRESSURE DROP OUT TO ZERO FOR 15 SECONDS.  SUSPECT INTERNAL DEFECT.

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