H.6.Investigation summary: since no samples displaying the condition reported were available for examination, we were unable to fully investigate this incident, therefore a root cause could not be determined.A device history record review showed no rejected inspections or quality issues during the production of the provided lot number that could have contributed to the defect reported.Device/batch history record review was conducted with the following results disclosed: lot 7275538 was built and packaged on afa line11 on 07oct2017 through 10oct2017 for the quantity of (b)(4) ea.Review disclosed no indication of the alleged defect, as there were no reject activity findings throughout the build of this lot that would impact upon the quality of the product relevant to the defect stated in the pir.All required challenges samples and testing was performed per specification in accordance with the in-process sampling plans.Set-up and in-process samples (including but not limited to) for damaged component and pen and drag testing were performed on various stages throughout the process, all the inspections passed per specifications.No significant discoveries were found.No significant discoveries were disclosed.Sap (qn) database review findings: subject code was an s2 severity ranking.As a result of the review there were no reject activity findings relevant to the defect noted in the pir associated with the lot number provided for this incident.The peura (end user risk analysis) was analyzed to determine the risk to customer.The analysis showed that due to low occurrence, current risk is acceptable.Observations and testing could not be performed because units were not received for investigation of this incident.Conclusions: confirmation of the defect stated in the pir could not be identified or confirmed and cause could not be determined, as the units described in the product incident report were not provided for evaluation and testing.Therefore, there was no physical/mechanical evidence to confirm or to support manufacturing process related issues for the defect stated in the pir.This incident is indeterminate.A root cause could not be established.A formal corrective action will not be initiated at this time.Customer complaint trends are evaluated on a monthly basis.If the trend of a specific type of complaint warrants a formal corrective action, resources will be assigned at that time.
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