As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT FROM CRUISE AUTOPILOT ROCKS WINGS BACK AND FORTH BETWEEN FL410 AND FL360 WITH A/P DISCONNECTED AIRCRAFT FLIES LEVEL WITH NO ROLL. REMOVED AND REPLACED THE ALLERON SERVO MOTOR WITH A MODIFIED SERVO MOTOR IAW CESSNA CITATION 750 AMM 22-10-01. OPERATIONAL CHECK WAS SATISFACTORY AT THIS TIME.