What was found
RIGHT SLAT FAILED TO EXTEND DURING APPROACH. SUCCESSFUL LANDING WAS ACCOMPLISHED USING FLAPS ONLY. MAINTENANCE INSPECTED T-DUCTS, SLAT TRACKS AND PULLEYS, ALL WERE FOUND TO BE NORMAL. LUBED T-DUCTS AS A PRECAUTION, DEFERRED TO NEXT OVERNIGHT MAINTENANCE AN ALIGNMENT OF BOTH T-DUCTS PER MM 27-80-0 PG 101.