What was found
AIRCRAFT WAS GNDED. RETURNED TO GATE WITH ELEC SMOKE SMELL. ACCOMPLISHED JC 26L00021001. TROUBLE SHOT CABIN AIR QUALITY, RAN APU BLEED, NO ODORS. RAN ENG NR 1, NO ODORS. RAN ENG NR 2, NO ODORS. INSPECTED ELEC EQUIP IAW JC, NO ISSUES NOTED. NO ODOR HISTORY.