(b)(4).Batch # n56a09.Device analysis: the analysis found that one plee60a device was returned with no apparent damage and with the manual override door out of position; the override lever was up which denotes that the knife was manually returned to home position.It should be noted after the manual override system is used the instrument is disabled and cannot be used for any subsequent firings.The bailout system was reset and then, the device was noted to be nonfunctional.In order to evaluate the condition of the internal components the device was disassembled.Upon disassembling, evidences of corrosion were noted on the motor.No functional testing could be performed due to the returned condition of the motor.One possible cause for this condition may be the exposure of cleaning solution.Please note that as part of our quality process, each device is visually inspected and functionally tested during manufacturing to ensure that the device meets the required specifications prior to shipment.The batch history record was reviewed and identified a defect/issue but was not related to the reported incident were found.In addition, no protocols or ncr related to the complaint, were found during the manufacturing process.
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