This report is being submitted due to a retrospective review conducted under capa(b)(4).(b)(4) is submitting on behalf of the foreign manufacturer, tosoh corporation, per exemption number (b)(4).Device evaluation by manufacturer: the field service engineer (fse) was dispatched on (b)(6) 2015.The fse found a clog in the stator face assembly.The fse replaced with a new stator face and rotor seal and ran ten patients samples and controls to verify proper operation.Reportedly the quality controls and chromatograms looked good.The g8 was working as intended.No further action required by fse.The probable cause of the event was related to the stator face and rotor seal.
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