As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT RETURNED TO PLATFORM DUE TO DURING TAXING AND WHEN IT WAS TURNED WITH AUTOPILOT SELECTED, THE FLIGHT CONTROLS VIBRATED. MX PERSONNEL REPLACED THE DUPLEX SERVO AILERON DRIVER IAW MM 22-11-00 AND THE DFGS STATUS/TEST (STP) PANEL WAS CHECKED IAW MM 22-01-05, TESTED CORRECT.