Investigation summary: a lot number could not be submitted for this complaint, and could not be determined from the photographs provided.Preventing our investigation team from conducting a device history review.The sample submitted allowed our engineers to conduct leakage testing on the device, and determine that the leakage was originating from the injection valve.A subsequent review of our manufacturing line determined that the most likely root cause for this event is an abnormality in the equipment responsible for tubing assembly.To prevent a reoccurrence of this event we have retrained our personnel and optimized our manufacturing process to monitor this issue more thoroughly.Engineering team assessed the assembly process finding a worn pin in station 5 that could cause the reported failure mode.This pin is in charge of assembling the gray tubing into the valve housing.¿process fmea rm5943, rm5819 and process eura eurap2053001 were reviewed and there are proper controls in place to detect product malfunctions.Based on investigation results to date, for leakage issue (in injection valve) root cause was associated to a bad tubing assembly by station 5 of equipment vh59, however, nogales site opened capa to perform an investigation.
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