(b)(4).(b)(6).The 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 improper maintenance, which is user error/misuse/abuse.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 observed that the compact air drive device motor was blocked, seized, and rough running.It was noted that the device maintenance was very bad, and there was no oiling performed.It was also noted that the device failed pre-repair diagnostic tests for general condition, assessment of the attachment couplings with the attachments, assessment of the reverse locking mechanism, function of the soft mode switch (safety system), and function of the triggers for fwd / rev mode.It was noted in the service order "not in working condition." 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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