What was found
MIA - ON DESCENT INTO MIA FROM PHL, CREW REPORTED THE NR 2 LEADING EDGE SLAT LIGHT ILLUMINATED WHEN ACTUATING THE FLAPS TO 1 UNIT. CREW DECLARED AN EMERGENCY AND ACCOMPLISHED QRH PROCEDURES. WHEN FLAPS WERE LOWERED TO 10 UNITS, THE LIGHTS WENT GREEN AND THE PROBLEM WAS RESOLVED. CREW CANCELLED THE EMERGENCY AND MADE A NORMAL APPROACH AND LANDING. AIRCRAFT TAXIED TO THE GATE WITHOUT FURTHER INCIDENT. NO PASSENGER ISSUES REPORTED. MAINTENANCE ADJUSTED THE NR 2 LEADING EDGE SLAT MID POSITION SENSOR GAP PER MM 27-88-11-824-024. ACCOMPLISHED SUCCESSFUL TEST OF SLAT SENSOR PER MM 27-88-11, PAGE BLOCK 5.