IT WAS REPORTED THAT, DURING A SHOULDER ARTHROSCOPY, THE MOTOR DRIVE UNIT WAS NOT WORKING. THERE WAS A BACKUP DEVICE AVAILABLE. A DELAY GREATER THAN THIRTY MINUTES WAS REPORTED. NO PATIENT INJURY WAS REPORTED. ALL AVAILABLE INFORMATION HAS BEEN DISCLOSED. IF ADDITIONAL INFORMATION SHOULD BECOME AVAILABLE, A SUPPLEMENTAL REPORT WILL BE SUBMITTED ACCORDINGLY.