Is there a city inspector responsible for that?
that's what happens if the rim irons / spreaders are not properly wrenched down…most likely in this scenario a lock nut or washer was not put on to keep the nut from backing off…most ferriswheels use a snap ring or R key on the threaded end of the shank to hold the bolt in even if the nut backed off….so missing snap ring or R key is also possible..
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