The product was investigated under complaint (b)(4) in the laboratory of the manufacturer.During visual inspection of the product a crack in the recirculation line connector was detected.This additional complaint was opened in order to cover the failure.No evidence was provided that this failure was noticed within the initial complaint report.The manufacturer's review of the quality control process indicated that a 100% functional inspection for leakage is conducted during manufacturing.The information obtained so far in this investigation would confirm that the device met its specification at the time of manufacturing and therefore all damages found on the product are due to excessive or inadequate external physical force that was exerted on the product after the release.The exact root-cause which led to the described failure could not be identified.This data will be handled through a designated maquet trending process.If a trend occurs, it will be escalated to quality assurance management for review and determination if further investigation is necessary.Due to this no further action will be completed at this time.
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