This event has been recorded by zimmer biomet under (b)(4).The k081047; k123188; k133786.The previous repair report for ultra duo flex fluid cart serial number (b)(4) was reviewed and noted no related non-conformances, requests for deviation (rfd) or any other issues with the repair.The previous repair report review found no issues with the device after repair and all verifications, inspections and tests were successfully completed.On (b)(6) 2018, it was reported from (b)(6) center that the unit was leaking.(b)(6) was contacted about the unit and dispatched the service technician to be at the site.On (b)(4) 2018, the technician replaced valve pack to resolve the issue.Then he found lower sound material was saturated and fan was shorted out.He replaced the sound material and fan.He then examined the unit and found that the vacuum pump was tripping gfi breaker.Since considering the volume of the workload in this unit, the unit was decided to exchange and process was initiated.An exchange for the new cart was scheduled.A new cart was shipped from (b)(4) to the facility.The new cart was confirmed to have been delivered to the facility and service company was dispatched a service technician to the site to perform exchange.On (b)(4) 2018, the technician arrived at the site and installed the new cart.He then verified that the cart was functioning as intended and placed the cart into service without further incident.The technician then repackaged the old cart so that it returned to service center.The exchanged cart was picked up from the facility.The exchange cart was confirmed to have been returned on 22 march 2018 and it was scrapped without any further evaluation as noted in a return equipment log.Service work order (b)(4) on 12 march 2018.Based on the information, the root cause of the reported issue was due to the valve pack malfunctioning.The reported event was confirmed during inspection of the device.The valve can leak fluid if the valve pack is not seated properly with the bottom plate or if there is improper sealing with the o-ring.When the fluid was leaked from the valve pack, it can damage sound material, fan, vacuum pump and other electrical component which located at the bottom part of the unit.Since several components were damaged due to the leak, it was exchanged.The investigation was based on the information that was provided initially and any information that was obtained throughout the follow-up process.Device evaluated by contractor.
|