G4:01apr2021.B4:08apr2021.The field service engineer (fse) evaluated the device and confirmed the malfunction.The bezel was replaced by the fse.The ventilator passed all testing and operated within the manufacturing specifications.Parts were received and it was identified that previous investigations have shown liquid ingress is due to the variability of the assembly process causing the reported navigation ring failure.Submission of a report does not constitute an admission that medical personnel, user facility, importer, distributor, manufacturer, or product caused or contributed to the event.
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