(b)(4).The device is reportedly not available for investigation.A visual nor functional inspection of the product involved in the complaint could not be conducted since the product or a picture of the defect was not provided.The device history review could not be conducted since involved lot number was not provided.The customer complaint cannot be confirmed based only on the information provided; to perform an investigation and determine the source of defect reported it is necessary to evaluate the sample involved on this complaint.An attempt to duplicate the failure mode was made but at the time there is no inventory of the involved product code available at the facility nor is being manufactured at the time.If the sample becomes available this investigation will be updated with the evaluation results.
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