What was found
CREW DECLARED AN EMERGENCY DUE TO ON FLAP 1 SELECTION SLAT FAULT ECAM, LANDED WITH FLAPS 3, SLATS 0, FLAP/SLAT ISSUE. SLAT'S FAILED. ACCOMPLISHED SFCC SYSTEM 1 AND 2 RESET PERFORMED OPS CHECK OF SLATS AND FLAPS IAW 27-54-00, NO FAULTS. ON THE FOLLOWING FLIGHT, CREW REPORTED LANDED FLAPS 3 NO SLATS. THE TECH FOUND RT SLAT ACTUATOR 6091CM, TRIPPED. R & R RT SLAT ACTUATOR, 6091CM IAW AMM 27-84-49. OPS CHECK GOOD. ACFT OK FOR SERVICE.