Which outcome occurs when a landing gear steering actuator encounters hydraulic fluid contamination?

💡 Explanation

Contamination causes internal **valve stiction** because small debris disrupts normal sliding function, therefore steering input becomes sluggish, exhibiting jerky movements and total lock-up under high loads, rather than enhanced efficiency which requires clean fluid.

• Which outcome occurs when a hydraulic actuator driving an aircraft's flight control surface experiences excessively high-frequency command signals?
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