What was found
AIRCRAFT HAD FUMES/SMOKE IN COCKPIT. GROUND RAN APU A/C PACKS, NR 1 & 2 ENGINES, POWERED UP COCKPIT ELECTRICAL SYSTEMS, NO FUMES OR SMOKE NOTICED. INSPECTED TAIL COMPARTMENT, BAG BINS, E & E COMPARTMENT AND NOSE COMPARTMENT. NO EVIDENCE OF OVERHEATING NOTED.