Investigation summary: eight samples were received for evaluation.They have tip cap, solution and the plunger rod-rubber stopper.Readings are within specification therefore failure mode is not verified.Complaints received for this device and reported condition will continue to be tracked and trended.Information will be captured on trend reports and monitored monthly.Our business team regularly reviews the collected data for identification of emerging trends.A device history record review was completed with zero defects found.No quality notifications were written for this batch, nor for the associated assembly batches.Investigation conclusion: this is the sixth complaint for the lot# 8046825 for the same defect or symptom.There was no documentation of issues for the complaint of batch 8046825 during this production run.Root cause description: readings are within specification therefore failure mode is not verified.Rationale: readings are within specification therefore failure mode is not verified.
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