B3: date of event is unknown; no information has been provided to date.One device was received.No physical damaged was found on the device.A review of the history log confirmed that no miss setting, or other errors related to delivery failures were identified.During functional testing, the pump accuracy was within specification however, it confirmed that it was close to the upper limit of the reference value and tended to overdose.The complaint was confirmed.Possible flow rate accuracy failure related to pump mechanism.The product's history records were reviewed and there were no non-conformances nor service-related issues that would have resulted in the reported complaint.Adjustment of the expulsor.Performed all function tests and all passed.
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