As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAIN REPORTED THAT DURING APPROACH, THE AILERONS CONTROL FELT HARD. MX PERSONNEL PERFORMED FLIGHT CONTROL TEST, DETECTING THAT THE AILERONS CONTROL DID NOT RETURN TO NEUTRAL POSITION IAW MM 27-11-00. THE LT WING FLIGHT SPOILER ACTUATOR NR 4 WAS REPLACED IAW MM 27-61-51, TESTED CORRECT.