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Root Cause of CV-22 Sprag Clutch Slippage in Last Two Months Still Uncertain

Root Cause of CV-22 Sprag Clutch Slippage in Last Two Months Still Uncertain
A CV-22 Osprey receives fuel from an MC-130J Combat Shadow II aircraft, over New Mexico in 2012 (U.S. Air Force Photo)

U.S. Air Force Special Operations Command (AFSOC) is still investigating the root cause of the slippage of a sprag clutch in one of the engines of the Bell [TXT]/Boeing [BA] CV-22 in two recent incidents that caused a temporary grounding, lifted last week. "We've had 15 of these [incidents] across the [V-22] fleet over the last dozen years or so," Air Force Lt. Gen. James Slife, the AFSOC commander, told an Air & Space Forces Association Warfighters in Action forum…

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