# SDR CA130314014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2013
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Bell 212
- Registry model: [Bell 212](https://openairdocs.org/model/bell-212) (OpenAirDocs)
- Aircraft time: 14,141 hours
- Engine: Pwa PT6T3B
- System (JASC): [7921 · Engine Oil Cooler](https://openairdocs.org/jasc/7921)
- Part: Blower
- Part number: 209062502009
- Condition: Loose
- Location: Oil Cooler
- Stage of operation: IN
- How discovered: 9
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA130314014

## Discrepancy

(CAN) DURING HEAVY MAINTENANCE THE IMPELLER RETENTION NUT WAS FOUND TO HAVE NO CLAMP-UP TORQUE ON THE IMPELLER AND THE WASHER BENEATH THE NUT COULD FLOAT FREELY. THE WITNESS MARK ON THE NUT TO THE SHAFT WAS STILL INTACT.

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