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One video was returned for analysis.From review of the video, it was observed that the plastic port assembly was loose.Relevant documents and manufacturing process were reviewed and deemed adequate.The ultrasonic weld operation, visual inspection process, set-up of ultrasonic welder, and training records were reviewed; no discrepancies were found.Based on the evidence, the complaint was confirmed.The root cause was found to be from manufacturing as the lack of knowledge of the operation of the welding machine and lack of process controls in the ultrasonic machine.
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