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Old 14th Jun 2020, 09:35
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pedroalpha
 
Join Date: Mar 2001
Location: Longitude Zero
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I had a cyclic control restriction in a Westland Scout. Luckily, the restriction manifested itself during the hover check after takeoff as a solid restriction to aft cyclic movement. I landed, lifted to the hover very cautiously and found the control restriction to be still there. I shut down the aircraft and put it u/S.
A subsequent investigation revealed that a riveting mandrel had become wedged in the control bellcrank at the lower end of the cyclic. Opinion was, it had probably been rattling around down there since the aircraft was built.
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