Additional information: d9, h3 plant investigation: the complaint sample was not returned to the manufacturer for physical evaluation.Examination of retained samples were completed in the place of a physical evaluation of the actual complaint sample.A visual inspection was performed where the samples were checked for component defects, assembly failures, and overall conformity to product specification.A leakage test was also performed where the samples were checked under air/liquid pressure for assembly failure and leakage.No failures were detected during examination of the retained samples.The batch records were also reviewed.The records indicated that 2,640 units originated from this lot.The batch product record controls resulted with conformity.Non-conformity was not observed during the manufacturing process.The reported issue was confirmed by the manufacturer.However the cause of the reported issue could not be determined in the absence of the actual complaint sample.
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