What was found
(CAN) ON APPROACH TO RUNWAY, WHEN FLAP 1 WAS SELECTED, THE CREW EXPERIENCED LOCKED SLATS ASSOCIATED WITH OTHER FLIGHT CONTROL FAILURES. ON FLAP EXTENSION FLT CTR SLAT FAULT LOST AP`S, ATHR. FD`S WENT TO ALT LAW ON GEAR SELECTION DIRECT LAW. A MISSED APPROACH WAS CONDUCTED AND QRH COMPLETED FOLLOWED BY A SECOND APPROACH AND LANDING. NO EMERGENCY WAS DECLARED AND THERE WAS NO REPORTED ADVERSE PASSENGER REACTION. MTC WAS ADVISED. NR 1 AND 2 SFCC REPLACED AS PER AMM 27-51-34 P401. GROUND CHECKED SERVICEABLE, CAT 3 DUAL TEST CARRIED OUT THROUGH CFDS AND GRUND CHECKED SERV.