# SDR CA960808012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Engine: Pwa PW120
- System (JASC): [7210 · Turbine Engine Reduction Gear](https://openairdocs.org/jasc/7210)
- Part: Bearing
- Part number: 310924401
- Condition: Spalled
- Location: Rgb Nr 15
- Part time: 13,930 hours
- 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/CA960808012

## Discrepancy

(CAN) THE REDUCTION GEARBOX (RGB) WAS FOUND BY THE OPERATOR TO HAVE METAL CONTAMINATION. DISASSEMBLY OF THE RGB REVEALED THE SOURCE OF THE METAL CONTAMINATION WAS THE #15 BEARING WHICH HAD SPALLED BADLY ON THE OUTER RACE. SECONDARY DAMAGE FROM THE CONTAMINATES WAS RESTRICTED TO SEVERAL OTHER BEARINGS AND NO GEARS WERE FOUND DAMAGED SUFFICIENTLY TO REQUIRE REPLACEMENT.

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