G4: 09mar2020 b4: 1(b)(6)2020.The ac power cord was returned to failure investigation (fi) for evaluation.The visual inspection of the ac power cord revealed cord has braided appearance and bent contacts on plug end.The determination could be made that the device failed to meet specifications.The device was not being used for treatment when the reported event occurred, and there is a relationship of the device to the reported problem.Ac power cord failed 4-wire resistance test.Verified reported failure.High pin-pin resistances noted g-g.Root cause determined to be wear and tear.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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