What was found
SMOKE IN FLIGHT DECK CREW DEBRIEF: THE FLIGHT CREW STATED AT THE APPROXIMATE SAME SPOKE WITH TOMC AND WE WILL START THE AMM TASK 05-51-56-940-8 ACCOMPLISHED INITIAL INSPECTION OF FLT DECK AS PER AMM TIME THEY SWITHCED ON THE RUNWAY TURNOFF, BEACONS AND NAV LIGHTS 01-C1. 05-51-56-940-801-C1 STEP 1. C (1). NO DEFECTS NOTED. AS PER TOMC ON HE SAW A PUFF OF SMOKE COME FROM THE AREA OF THE SWITCHES. NEED TO CONTINUE AT STEP 1 C (2). THIS WAS ALSO FOLLOWED BY AN ELECTRICAL BURNING SMELL. INSPECTED M10056 ON THE P5 PILOT OVERHEAD PANEL. FOUND MELTED TERMINAL POST ON THE S2 RIGHT RWY TURN OFF LIGHT SWITCH. R&R S2 SWITCH PER WDM 33-42-21. OPS CHECK GOOD. ADD EMP:U353871 REF ABOVE UPDATE FOR ID OF THE SOURCE OF THE SMOKE. PER AMM 05-51-56 B(6.A) & SUB TASK 05-51-56-200-001-C4 NO FURTHER MX REQ''D AT THIS TIME.