# SDR CA960614017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Dhav DHC8102
- Engine: Pwa PW120A
- System (JASC): [7210 · Turbine Engine Reduction Gear](https://openairdocs.org/jasc/7210)
- Part: Bearing
- Part number: 310119101
- Condition: Spalled
- Location: Rgb Nr 10 Brg
- Part time: 17,032 hours
- 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/CA960614017

## Discrepancy

(CAN)REDUCTION GEAR BOX MAKING METAL. LEFT HAND #10 BEARING, ONE BALL SPALLED. REMAINING OIL IN THE GEARBOX WAS VERY DIRTY AND FOUND TO CONTAIN HIGH LEVELS OF PHOSPHORUS AND VANADIUM. SEVERAL OTHER BEARING S HAD PITS AND DISCOLORATION SIMILAR TO CORROSION THAT MAY BE RELATED TO THE CONTAMINATED OIL.

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