# SDR CA960614020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 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: 310703301
- Condition: Spalled
- Location: Rgb Nr 15 Brg
- Part time: 9,266 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/CA960614020

## Discrepancy

(CAN)REDUCTION GEARBOX METAL CONTAMINATION. #15 BEARING HAD A LARGE SPALL OVER 60 DEGREES OF THE OUTER RACE. SEVERAL STEEL COMPONENTS WERE HEAVILY MAGNETISED AND #18 AND #19 BEARINGS SHOWING SIGNS OF ELECT RICAL PITTING LEADING TO BELIEVE THAT LIGHTNING STRIKE IS LIKELY THE CAUSE OF THE BEARING FAILURE.

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