As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AP TRIM RWD CAUTION POSTED ON EICAS. DISCONNECTED AP AND FOUND AILERON SYSTEM JAMMED. OVERPOWERED SYSTEM ACC. CHECKLIST AFTER SEVERAL ATTEMPTS. SUDDENLY SYSTEM GOT FREE AGAIN. VISUALLY INSPECTED AILERON SYSTEM CABLES AND PULLEYS FOR SIGN OF JAMMING NO FINDINGS. REPLACED AILERON SERVO ACTUATOR IAW AMM 22-11-21. PERFORMED OPS TEST SATISFACTORY.