(b)(4).A visual, functional and dimensional inspection of the product involved in the complaint could not be conducted since the product was not returned.A device history review record could not be conducted since the lot number was not provided.No corrective action can be established at this moment since the device sample is not available for evaluation.Customer complaint cannot be confirmed based only on the information provided, to perform an investigation and determine the source of the reported alleged defect it is necessary to evaluate the sample involved in this complaint.However as an additional test, samples of current production p/n 2410 were reviewed and functionally inspected for any issues that could be related to the customer complaint.If the device sample becomes available at a later date this complaint will be updated.
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