# SDR CA040712003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2004
- Submitted: July 22, 2004
- Operation: General aviation
- Make and model: Bolkms BO105C
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Bearing Race
- Part number: 4638302024
- Condition: Spalled
- Location: Transmission
- Component: Transmission
- Component part number: 4638001001
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA040712003

## Discrepancy

(CAN) TRANSMISSION SENT FOR OVERHAUL DUE TO METAL CONTAMINATION DETECTED WITH A CHIP LIGHT INDICATION.  AFTER DISSASSEMBLY BEARING OUTER RACE FOUND TO HAVE SPALLING DAMAGE.

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