Other text: pictures were received along with six used samples of breathing circuits.The samples were visually inspected at a distance of 12 inches from the unit under normal lighting.No damage was detected on the samples.Functional testing was performed using a leak test.Two samples were tested.Sample one passed the leak test and sample two did not pass the leak test.The reported problem was confirmed.The most probable root cause was that connectors were not assembled correctly in manufacturing.Notification to production personnel regarding this malfunction was conducted by a quality engineer.D4 udi, d5, and g5 are unknown.No information has been provided to date.Additional information d3, d4 expiration date, e2, e3, g3 and h4.This remediation mdr was generated under protocol (b)(4), as a result of warning letter cms# (b)(4).
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