This event has been recorded by zimmer biomet under (b)(4).Product review of the device by flextronics on 17 feb 2020 revealed the control bar was bent, the unit was out of calibration, 2 screws were missing and the needle bearing was corroded.Repair of the device was performed by flextronics on 17 feb 2020 which included replacement of the control bar, shaft bearings, sleeve bearings, needle bearing, and screws.The device, serial number (b)(4), was then tested and functioned properly.It was repaired, inspected and tested.Review of the device history record identified no deviations or anomalies during manufacturing.Device is used for treatment.Review of complaint history identified additional similar complaints for the reported item and part and lot combination.Complaints are monitored through monthly complaint review 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 cannot be confirmed.
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