Other text: returned device was received in good physical condition but the arch height pump tube is low.Samples failed accuracy testing confirming the reported issue.The device history record was reviewed and showed that this device met all manufacturing specification for product released for distribution.No issues were identified that would have impacted this eve.Other analysis: during the manufacturing process, production personnel do a visual inspection before a process (assemble, bond, etc.) to ensure that the material is in perfect shape; also, right after a work station, personnel redo an inspection in order to find any discrepancies.Production personnel perform a 100% visual inspection in order to verify that the pump tube arch height is within tolerance.Production personnel perform an accuracy test to 4 samples at shift start up, the end of every shift, the beginning of every job, the end of every job; or a new lot of materials / components or equipment adjusted.Quality takes a sample of 15 units at an interval of two (2) hours, prior to placing product in bag, in order to: inspect pump tube uv bond to housing, in order to verify that the pump tube arch height is within tolerance.Verify that the adhesive not be excessive or outside the defined application area.Verify parts are free of damage (scuffs, pinch marks, etc.), cracks, crazing, cuts, or other workmanship defects that can affect assembly function or appearance.Audit the accuracy test is being performed according to the manufacturing procedure.Root cause: in order to perform a complete root cause analysis of this failure mode, capa: 20capa018 was open on 15-oct-2019.Action taken: capa: 20capa018 was open on 15-oct-2019 in order to implement corrective actions for this failure mode.
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