# SDR CA960612045

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Aerosp ATR-42
- Registry model: [Aerosp ATR-42](https://openairdocs.org/model/aerospatiale-atr-atr-42) (OpenAirDocs)
- Engine: Pwa PW121
- System (JASC): [7210 · Turbine Engine Reduction Gear](https://openairdocs.org/jasc/7210)
- Part: Bearing
- Part number: 310924401
- Condition: Spalled
- Location: Rgb Nr 15 Brg
- Part time: 11,492 hours
- Component: Pwa
- Stage of operation: NR
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA960612045

## Discrepancy

(CAN)REDUCTION GEAR BOX REMOVED FOR METAL ON THE CHIP DETECTOR. #15 BEARING HAD ONE ROLLER HEAVILY SPALLED AS WELL AS ELECTRICAL PITTING AND MECHANICAL DENTS ON THE RACEWAY. SEVERAL STEEL COMPONENTS SHOWEDHIGH LEVELS OF MAGNETISM CONSISTENT WITH A LIGHTNING STRIKE.

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