What was found
AFTER TAKEOFF (SBKP) LEVEL 2 DEFLECT AILERON DISAGREEMENT WARNING APPEARED ON EAD. PERFORMED CHECKLIST, WARNING REMAINED, RETURNED TO AIRPORT (SBKP). ENTERED ON DEFERRED MAINTENANCE ITEM (DMI) PER MEL 27-13-2, CAT "C", PLACARD INSTALLED, AIRCRAFT RELEASE BACK TO SERVICE.