(b)(4).A device history record (dhr) review was performed on the lot number reported and there were no issues found that could relate to the reported complaint.No sample was returned for evaluation; therefore, the complaint could not be confirmed.In the current manufacturing procedure, 100% drop testing is conducted at the assembly area, therefore, any defects would be detected prior to release.Ten pieces of the same catalog number were taken from current production.All ten samples passed the drop testing.This indicates that there is no blockage on the products.If the sample is returned, a follow-up report will be submitted with investigation results.
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