On (b)(4) 2016, the field service engineer (fse) was at the customer site and observed that the customer's lh750 had a malfunctioning check valve at vl11 and that one of the rbc aperture was not working properly.Replacement of rbc tubing and the check valve at vl11 resolved the issue.It was not confirmed that patient results were impacted as a result of this event.Beckman coulter, in an abundance of caution, has submitted an mdr report.Patient information was not provided by the customer.(b)(4).Related event 1061932-2018-00039 (b)(4).
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