Plant investigation: no parts were returned to the manufacturer for physical evaluation.The 2008t hemodialysis (hd) machine was evaluated at the facility by the fresenius regional equipment specialist (res) due to a burned power plug.The res replaced the power supply to resolve the machine issue.After the repairs, machine functional checks were performed, and all tests found the unit to be functioning within specification.A records review was performed on the reported device serial number.An investigation of the device manufacturing records was conducted by the manufacturer.There were no non-conformances, or any associated rework during the manufacturing process which could be related to the reported event.Additionally, a review of the device history record (dhr) confirmed the results of the in-progress and final quality control (qc) testing met all the requirements.The investigation into the cause of the complaint was able to confirm the reported event.
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