An investigation was performed.This complaint has not been confirmed.The actual sample involved in the reported incident was not returned for evaluations.No additional information, pictures or videos were received.Since no sample was returned for examination, it was not possible to evaluate it as part of a comprehensive failure investigation.A manufacturing device history record (dhr) review or product/process changes review for the involved lot number was performed.No deviations that could be related to the reported event were found.All dhrs are reviewed for accuracy prior to product release.No additional information was received for investigation.If the sample is returned in the future, this complaint will be re-opened for further investigation.The available information was analyzed and it did not allow confirming a root cause for the event, however, after a brainstorming meeting possible root causes were identified.The following potential causes were identified: operator inattention (fail to follow inspection procedures), inspection failed or not performed, misuse (manipulation), or defective material.No trends or triggers have been found, therefore, a corrective and preventive action (capa) is not deemed necessary at this time.It must be noted that in-process controls, such as personnel training, incoming quality acceptance testing for raw material, 100% in process visual inspection and visual acceptance sampling, are in place to prevent nonconforming product from leaving the manufacturing operations.This complaint will be used for tracking and trending purposes.If information is provided in the future, a supplemental report will be issued.
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