No sample was not received by the investigation site for evaluation.No lot number was identified with this complaint, therefore the manufacturing documentation was not reviewed.However, all product and batch history records are quality reviewed prior to product release.A sample was not received at the manufacturing site therefore, the root cause for the customer complaint issue cannot be determined.The exact root cause for the customers reported event is unknown, therefore, specific action cannot be taken.Complaints are reviewed and monitored at regular intervals for adverse trends.No adverse trends have been observed associated with the reported product and event.No action has been identified for this reported event.The manufacturer internal reference number is: (b)(4).
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