A300 FLT CREW REPORTS LEADING EDGE SLATS FAIL TO EXTEND AFTER SELECTION. FLT CREW COMPLIES WITH CHECKLIST AND LANDS WITH FULL TRAILING EDGE FLAPS AND LE FLAPS RETRACTED.

Narrative

THE FO WAS FLYING THE AIRCRAFT. TAKEOFF; DEPARTURE; ENRTE NORMAL. WHILE IN THE TERMINAL ENVIRONMENT APPROACH ASKED US TO SLOW TO 210 KTS. SUBSEQUENTLY; TOLD TO SLOW TO 170 KTS. THE FO ASKED FOR SLAT EXTENSION AND AT THAT TIME THE SLATS FAILED TO EXTEND. THE CAPT ASKED FOR VECTORS FROM APPROACH CONTROL SO WE COULD RUN APPROPRIATE CHECKLIST. THE CAPT RAN THE CHECKLIST WHILE THE FO CONTINUED TO FLY THE AIRCRAFT. AFTER PERFORMING CHECKLIST PROCEDURES; THE CAPT DECLARED AN EMERGENCY WITH APPROACH CONTROL AND ASSUMED THE FLYING DUTIES OF THE AIRCRAFT. LANDING WAS NORMAL WITH ZERO SLATS (ABNORMAL CONFIGURATION). FO PERFORMED PILOT MONITORING DUTIES ONCE THE CAPTAIN ASSUMED CONTROL OF THE AIRCRAFT. WHILE PERFORMING THE APPROPRIATE CHECKLIST FOR THE SLAT MALFUNCTION AND APPROACH/LANDING; THE CAPTAIN COORDINATED COMMUNICATIONS WITH COMPANY DISPATCH AND MAINTENANCE CONTROL. LANDING WAS NORMAL. CLEARED THE RUNWAY AND TAXIED TO PARKING.CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: MAINTENANCE DISCOVERED THAT A HYDRAULIC VALVE FOR THE RIGHT LE SLAT FAILED CAUSING THAT SLAT TO REMAIN RETRACTED WHICH TRIGGERED THE SLAT ASYMMETRY SYSTEM PREVENTING THE LEFT LE SLAT FROM EXTENDING. THE ACFT HANDLED NORMALLY BUT LANDED AT HIGHER AIRSPEED.