Date of event: unknown.The date received by manufacturer has been used for this field.(b)(4).Investigation summary: a device history record review was completed for provided material number 302832 and lot number 0044896.The review did not reveal any detected quality issues during the production process that could have contributed to this reported defect.To aid in the investigation, one hundred forty-one samples were received for evaluation by our quality team.A visual inspection was performed and the scale marking is missing.No other defects or imperfections were observed.Investigation conclusion: based on the investigation with the returned sample analysis the symptom reported by the customer is confirmed.Further action has not been determined necessary at this time.Complaints received for this device and reported condition will continue to be tracked and trended.Our quality team regularly reviews the collected data for identification of emerging trends.Root cause description: it could be possible for this defect to occur if the printing bad did not have enough pressure inducing the missing scale marking.Rationale: capa not required at this time.
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