As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL FLT 799 AMS TO PHL. PILOT REPORTS THAT THE AILERONS WERE BINDING FROM BOTH CAPTAIN'S AND F/O'S CONTROL WHEELS, ON THE GROUND AND IN FLIGHT. MAINTENANCE REPLACED THE LEFT UPPER LATERAL CENTER CONTROL ACTUATOR. OPERATIONALLY CHECKS OK.