As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1575, FLL-KIN. (AIRCRAFT PERFORMED AN AIR TURN BACK TO FLL). ' RIGHT AILERON DOES NOT CENTER WHEN CONTROL COLUMN CENTERS. IN-FLIGHT AILERON ALSO DID NOT CENTER; ACCOMPLISHED EC E2717023-01. L/H AND R/H AILERON FUSELAGE SECTOR BEARING CLEANING W/O REMOVING THE BEARING ASSY. CONTROL WHEELS OPERATE NORMALLY.'