# SDR CA030730007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2003
- Submitted: August 18, 2003
- Operation: General aviation
- Make and model: Bolkms BO105S
- Aircraft time: 8,810 hours
- Engine: Allsn 250C20B
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Bearing Race
- Part number: 4638302024
- Condition: Spalled
- Location: M/R Gearbox
- Stage of operation: IN
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA030730007

## Discrepancy

(CAN) LT INPUT ROLLER BEARING OUTER RACE SPALLING/PEELING. METAL CONTAMINATION CAUSED EXSTENSIVE DAMAGE TO OTHER INTERNAL TRANSMISSION BEARINGS.

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