(b)(4).(b)(6).This device was returned for service; however, did not meet manufacturing specifications during pre-repair assessment.Reliability engineering evaluated the device and the reported condition was confirmed.The assignable root cause was determined to be due to wear from normal use and servicing.If additional information should become available, a supplemental medwatch report will be submitted accordingly.
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It was reported by (b)(6) that during service and evaluation, it was discovered that there was damaged component to the bearings of the attachment device.It was further determined that the tool could not be inserted, the bearings in the sleeve were defective, the sleeve was worn and the bevel gear had cracks.It was further determined during the pre-repair diagnostics assessment that the device failed for cutter insertion.It was noted on the service order that the device became unusually warm.This event did not occur during surgery.There was no patient involvement.There were no reports of injuries, medical intervention or prolonged hospitalization.The exact date of this event was unknown.All available information has been disclosed.If additional information should become available, a supplemental medwatch report will be submitted accordingly.
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