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Failed
Farm Tractor Seat
Metallurgical failure analysis was requested on a
failed seat on a farm tractor. Visual examination revealed that some of the
bolts
attaching the seat to the tractor failed. Further
investigation proved that not all bolts had been in
place when the seat failed, and the bolts which
were in place had not been adequately tightened. The
cause of the failure was found to be inadequate
maintenance on the part of the owner or operator.
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