(b)(4).A visual, dimensional, and functional inspection of the device involved in the complaint could not be conducted since the device was not returned to the, manufacturer at the time of this report.A device history record review could not be conducted since the lot number was not provided.Customer complaint cannot be confirmed due the lack of device sample to perform a proper investigation to confirm the alleged defect and determine the root cause.If the device sample becomes available this report will be updated with the evaluation results.
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