Additional information received on 13-mar-2020 that the issues occurred during testing.Device evaluation: one cadd legacy pump was returned for analysis.Visual inspection performed, and product found to be in condition with scratched screen.Event history log review was performed and found evidence of reported problem.According to the investigation, the customer's reported problem regarding delivery accuracy was able to be duplicated.The investigation reported that three separate delivery accuracy tests were performed and at least one test was found outside of the pump's delivery accuracy manufacturing specification.According to the investigation, the pump expulsor will be replaced to bring delivery accuracy into specification.The problem source of the reported problem is unknown.
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