# SDR CA050216010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2004
- Submitted: March 3, 2005
- Operation: General aviation
- Make and model: Bell 206B
- Registry model: [Bell 206B](https://openairdocs.org/model/bell-206b) (OpenAirDocs)
- Aircraft time: 20,209 hours
- Engine: Allsn 250C20
- System (JASC): [6322 · Rotorcraft Cooling Fan System](https://openairdocs.org/jasc/6322)
- Part: Hanger Assy
- Condition: Rotated
- Location: Cooler Blower
- Component: Cooler Blower, Bell
- Component part number: 206061432001
- Stage of operation: CR
- How discovered: O
- Nature of condition: D
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA050216010

## Discrepancy

(CAN) PILOT REPORTED A HIGH FREQUENCY VIBRATION.  UPON INVESTIGATION, THE BEARING IN THE FORWARD HANGER ASSEMBLY OF THE OIL COOLER BLOWER WAS FOUND TO BE ROTATING.  BLOWER ASSEMBLY REPLACED.

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