This event has been recorded by zimmer biomet under (b)(4).Once the investigation is completed, a follow-up/final report will be submitted review of the most recent repair record determined the fine adjustment cam and set screw were missing from one side and the other set screw was stripped.There is evidence of third party repairs.The head, thickness control lever, ball detent, fine adjustment cams, set screws, and width plate screws were replaced and resolved the reported issue.Review of the device history record identified no deviations or anomalies during manufacturing related to the reported event.Device is used for treatment.Review of complaint history identified additional similar complaints for the reported item and no additional complaints for the reported part and lot combination.Complaints are monitored through monthly complaint review (reference zpc 11.304 and zpc 11.407 in order to identify potential adverse trends.A definitive root cause cannot be determined.No corrective actions, preventive actions, or field actions resulted after investigation of this event.The event is confirmed.
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