# SDR CA991209021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 25, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Swrngn SA226TC
- Engine: Garrtt TPE33110UA
- Propeller: Hartzl HCB3TN5
- System (JASC): [7210 · Turbine Engine Reduction Gear](https://openairdocs.org/jasc/7210)
- Part: Sungear
- Part number: 31011442
- Condition: Making Metal
- Location: Reduction G/B
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA991209021

## Discrepancy

(CAN) OIL ANALYSIS SHOWED TRACES OF ALUMINUM AND CARBON STEEL.  RGB PLANETARY GEARS P/N 358268-1 SHOWED METAL DAMAGE.  LOCKS P/N 866523-1 SHOWED ALUMINUM FRETTING FROM VIBRATION CAUSED FROM ABOVE PARTS RUNNING UNDER LOAD.

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