# SDR EGRR106996

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2005
- Submitted: November 28, 2005
- Operation: Air carrier
- Make and model: Clark 1000CLARK
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Planetary Gear
- Part number: 2060404122103
- Part serial: AFS5274
- Condition: Unserviceable
- Location: Transmission
- Part time: 344 hours
- Component: Transmission
- Component part number: 20604000225
- 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/EGRR106996

## Discrepancy

PREMATURE WEAR OF XMSN PLANETARY SUN GEAR AT LOWER DRIVE SPLINES, WORN HALF THE WAY THRU DRIVE SPLINES .030.

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