# SDR 2011FA0000712

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2011
- Submitted: October 28, 2011
- Operation: General aviation
- Aircraft: [N3972A](https://openairdocs.org/aircraft/N3972A), registered now
- Make and model: Snias AS350B3
- Aircraft serial: 7082
- Engine: Tmeca ARRIEL2B1
- System (JASC): [7260 · Turbine Engine Accessory Drive](https://openairdocs.org/jasc/7260)
- Part: Seal
- Part number: 9560134100
- Condition: Leaking
- Location: Freewheel Shaft
- Part time: 165 hours
- Component: Freewheel Shaft
- Component part number: 0292900020
- 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/2011FA0000712

## Discrepancy

FOUND FRONT AND REAR MAGNETIC SEAL OF THE FREEWHEEL SHAFT LEAKING.  FRONT SEAL WAS LEAKING BEYOND LIMITS.  BELIEVED TO BE CAUSED BY M/R AN T/R IMBALANCE.

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