One opened handpiece was received for the report of bent plunger.The returned sample was visually inspected and found to be conforming.A functional thread engagement and plunger movement test was performed and found to be conforming.Finally, the plunger height was dimensionally inspected and found to be conforming.A review of the device history record traceable to the reported lot number indicates that the reported product was processed and released according to the reported product¿s acceptance criteria.A complaint history examination for device component lot traceable to the reported lot number indicates there are two additional complaints associated with the component lot for the reported issue.A non-conformance search for the component lot numbers traceable to the reported lot number indicates there are no non-conformances associated with the lot for the reported issue.The returned sample was found to be conforming for all visual and dimensional inspections, and functional tests, associated with the reported event, therefore a bent plunger as described in the complaint was not confirmed and a root cause cannot be determined for the complaint as described by the customer.The manufacturer internal reference number is: (b)(4).
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