Investigation summary: the customer reported the tubing disconnected below one of the valves, and returned one used sample of material #31262e, lot #20126192.The sample was clearly separated at the outlet of the smart site and the complaint is verified.Microscope analysis found insufficient traces of solvent.The root cause is the solvent application during assembly.A device history record review for model 31262e, lot number 20126192 was performed.The search showed that a total of (b)(4) units in 1 lot number was built on 23dec2020.There were no quality notifications issued for the failure mode reported by the customer during the production build of this set.This incident has been added to our database of reported incidents.Our business team regularly reviews the collected data for identification of emerging trends.
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