The system was examined.The company representative did not mention finding anything that would have contributed to the reported event.However, the power supply was replaced and a preventive maintenance was performed.The system was tested and found to meet product specifications.The manufacturing device history record (dhr) was reviewed.Based on qa assessment, the product met specifications at the time of release.Additional related information was requested from the company representative.Specifically regarding servicing details.However, there was no communication returned, to date.Based upon the information received (to date), the root cause cannot be determined conclusively.The manufacturer internal reference number is: (b)(4).
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