What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED. ON APROACH INTO THE SCHEDULED DESTINATION OF MSN FLIGHT CONTROL FLAP LOCKED ECAM MESSAGE DISPLAYED WITH THE FLAPS AT 0 AND THE SLATS AT 3. THE AIRCRAFT LANDED SAFELY AT MSN WITHOUT FURTHER INCIDENT AND TAXIED TO THE GATE UNDER ITS OWN POWER. MAINTENANCE ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE FLAP SYSTEM PER AMM 27-54-00 WITH NO FAULTS NOTED AND NO DEFECTIVE PARTS BEING IDENTIFIED.