As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER AP DISENGAGED, LEFT AND RIGHT AILERONS WERE NEARLY LOCKED UP. REMOVED AND REPLACED AILERON SERVO IAW MM 22-10-05. REMOVED AND REPLACED AUTO PILOT TRANSFER BOX IAW MM 22-10-01. INSPECTED AILERON CONTROL PATH FROM YOKE TO AILERONS. OPS CHECKS GOOD PER GMPM. ALSO CHECKED CABLE TENSION IAW MM 27-00-01. P/N ON: 120-45625-001, S/N: 120127, S/N OFF: 120285.