What was found
FLT 411 - MIA-CUN - AIRCRAFT RETURNED TO PLATFORM AS CONSEQUENCE OF LIGHT DISAGREE SLAT TURNED ON. ON REVISION IT WAS FOUND STALL FAILURE LIGHT, TURN ON TOO. PERFORMED BITE TO BOTH COMPUTERS, FAIL ON VANE NR 1, CONNECTOR WAS CLEANED, AND A BITE TO PROXIMITY SWITCH WAS PERFORMED. DURING TRANSIT CHECK IN CUN THERE WAS TROUBLES WITH WING/TAIL ANTI-ICE RUPTOR. THERE WAS A SHORT-CIRCUIT IN THE WIRE BUNDLE NEAR THE VENTRAL STAIR. AGAIN AIRCRAFT RETURNED BY LIGHT DISAGREE SLAT TURNED ON. IT WAS REPLACED SWITCH SLAT POSITION S1-467 IAW MM 27-80-07. (M)