What was found
F/CTL SLATS LOCKED, WING TIP BRK ON. HAPPENED ON DECENT ABOUT 2 HRS INTO FLIGHT. AFTER EXTENSIVE TROUBLESHOOTING REPLACED NR 2 SFCC. AIRCRAFT HAS BEEN OPERATED ON AN EVALUTION FLIGHT, NO ECAM SYSTEM WARNINGS, CAUTIONS OR FLAP INDICATION ANOMALIES NOTED. SFCC SYSTEM 1 AND 2 HAVE BEEN BITE CHECKED IAW AMM 27-51-00-740-002 AND 27-81-00-740-002, NO DEFECTS NOTED AIRCRAFT IS RETURNED TO SERVICE.