During a routine service performance, it was noted that movement on radius detector 2 was abnormal resulting in rough/loud movement.System was taken out of service at this time so no injury to patient or staff occurred.Further investigation indicated ball screw bearing/ball screw actuation causing the anomaly.The replacement of these components rectified the issue and the device was turned back over for patient use.The original equipment mfr ((b)(4)) completed the ball screw/bearing replacement on (b)(6) 2016.The unit has been operating within all specs since the repair.
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