(b)(4).The batch card(s) for the complaint lot(s) was reviewed all samples passed qa inspection.There was no complaint sample returned for investigation.Therefore, no physical assessment could be conducted, and investigation will be based on documentation review.Due to no actual sample returned for this complaint, any further investigation was not possible.Moreover, simulation test has been carried out based on representative sample from production, there is no abnormality found.Therefore, this complaint could not be confirmed.
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