# SDR TIMA20160304004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2016
- Submitted: March 7, 2016
- Operation: Air carrier
- Aircraft: [N237SL](https://openairdocs.org/aircraft/N237SL), registered now
- Make and model: Beech C-99
- Registry model: [Beech C-99](https://openairdocs.org/model/beech-c-99) (OpenAirDocs)
- Aircraft serial: U237
- Aircraft time: 23,004 hours, 36,125 cycles
- System (JASC): [3213 · Main Landing Gear Strut/Axle/Truck](https://openairdocs.org/jasc/3213)
- Part: Torque Knee
- Part number: 508103237
- Part serial: EAS4863A
- Condition: Cracked
- Location: Rt Mlg
- Component: Rt Mlg, Beech
- Component part number: 115810000652
- 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/TIMA20160304004

## Discrepancy

DISCOVERED A CRACK IN THE RT MLG UPPER TORQUE KNEE, DURING A SCHEDULED INSPECTION.  THE CRACK WAS IN THE RADIUS TO THE SINGLE BOSS.  REPLACED THE UPPER TORQUE KNEE WITH A NEW PART.  CRACK DISCOVERED AT 2772 CYCLES SINCE OVERHAUL.

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