(b)(6).This device was returned for service; however, did not meet manufacturing specifications during pre-repair assessment.Reliability engineering evaluated the device and the reported condition was confirmed.It was further determined that there was a cosmetic defect.The assignable root cause was determined to be due to wear from normal use and servicing.If additional information should become available, a supplemental medwatch report will be submitted accordingly.
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It was reported by (b)(6) that during service and evaluation, it was discovered that the attachment device had worn components - bearings.It was determined that the color marking thimble was defective and the bearing was running hot.It was determined that the screw was loose, top of the assembly was loose and vibrated, and the color making thimble was defective from the tests "thimble set screw', 'nose tube assembly','vibration' and 'visual assessment'.It was determined that during the pre-repair diagnostics assessment that the device failed for temperature.It was noted in the service order that the nose tube was loose and the thimble lock needed replacement.This event did not occur during surgery.There was no patient involvement.There were no reports of injuries, medical intervention or prolonged hospitalization.The exact date of this event was unknown.All available information has been disclosed.If additional information should become available, a supplemental medwatch report will be submitted accordingly.
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