What was found
INSPECTION TYPE:ETOP, ELECTRICAL BURNING ODOR IN COCKPIT, NOT ABLE TO IDENTIFY, RAN ALL ELECTRICAL SYS, CHECKED EQUIP COOLING, IN ALL MODES, HYD-ELEC/RAN FOR 30 MIN, COULD NOT DUPLICATE. FOUND FWD COOLING FAN INOPERATIVE. REPLACED. REF AMM 21-58-06, PHG 401.