(b)(4).A visual, dimensional, and functional inspection of the device involved in this complaint could not be conducted since the device was not returned at the time of this report.A device history record investigation did not show issues related to this complaint.A record assessment (fmea) was conducted and no changes required.Customer complaint cannot be confirmed based on the information received.Corrective actions cannot be established at his time.To perform a proper investigation, it is necessary to have the device sample to confirm the alleged defect, and determine a root cause.If the device sample becomes available at a later date, this complaint will be updated accordingly.
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