# SDR 2005FA0000027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2005
- Submitted: January 19, 2005
- Operation: General aviation
- Make and model: Snias AS350B2
- Aircraft serial: 1883
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Cage
- Part number: 704A33652036
- Condition: Broken
- Location: Bearing
- Part time: 2,367 hours
- Component: Bevel Reduction, Snias
- Component part number: 350A32030005
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2005FA0000027

## Discrepancy

BEVEL REDUCTION MODULE P/N 350A32-0300-05 S/N M1899 WAS REMOVED AT TSO: 2367.5 FOR METAL CONTAMINATION.  UPON TEARDOWN ANALYSIS IT WAS DISCOVERED THAT THE BEARING CAGE FOR BEARING P/N 704A33-652-036 TSN: 2367.5, WAS BROKEN.  SUBSEQUENT DETERIORATION OF BEARING WAS CAUSE FOR METAL CONTAMINATION.

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