# SDR 2002FA0000854

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2002
- Submitted: July 24, 2002
- Operation: General aviation
- Aircraft: [N117CC](https://openairdocs.org/aircraft/N117CC), registered now
- Make and model: Swrngn SA226T
- Aircraft serial: T325
- System (JASC): [3251 · Steering Unit](https://openairdocs.org/jasc/3251)
- Part: Valve
- Part number: 35021505
- Part serial: 493A
- Condition: Failed
- Location: Steering Unit
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2002FA0000854

## Discrepancy

OVERHAULED VALVE FAILED SHOP GROUND TEST.  VALVE (SN 493A), FAILED ON FIRST LANDING, CAUSING AN UNCONTROLABLE SHIMMY IN STEERING OF AIRCRAFT, VIOLANT SHAKING.

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