What was found
WHILE AT GATE GPU CONNECTED SAW GPU SMOKING. DESELECTED GPU AND AFTER A/C SHUT DOWN AND POWERED UP. FOUND SOMEBODY TO DISCONNECT GPU AND NOTICED STRONG SMOKE SMELL IN A/C. PERFORMED EXTERNAL POWER TEST IAW 24-40-00-700-801-A OPS CHECK'D OK. VISUALLY INSP GROUND POWER AREA, NO DAMAGE NOTED. OK FOR SERVICE