# SDR AU970750

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Bell 412
- Registry model: [Bell 412](https://openairdocs.org/model/bell-412) (OpenAirDocs)
- Engine: Pwa PT6T3B
- System (JASC): [7210 · Turbine Engine Reduction Gear](https://openairdocs.org/jasc/7210)
- Part: Bearing
- Part number: 314166A
- Condition: Spalled
- Location: Red Grbox Nr 10
- Component: Pwa
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU970750

## Discrepancy

(AUS) RH REDUCTION GEARBOX NR10 BEARING SPALLED ON BALLS AND INNER ANDOUTER RACES - LH REDUCTION GEARBOX NR10 BEARING HAD SLIGHT SPALLING ON THE INNER RACE AND DENTS ON THE BEARING SPLIT LINEEDGE

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