What was found
MBL - AT 10,000 FEET DURING MODERATE RAIN, SMOKE IN COCKPIT WITH WINDSHIELD FUEL VENTS, ALT STATIC, PITOT AND STALL HEAT ON AND THE ENGINE ANTI-ICE ON. MAINTENANCE DEFERRED WINDSHIELD HEAT IAW MEL 30-7. FOUND RIGHT WINDSHIELD GROUND BLOCK PULLED AWAY FROM WINDSHIELD SURFACE AND ARCING WHEN POWER APPLIED. (M)