As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED AN ELECTRIC SMELL IN COCKPIT WHEN SWITCHING POWER FROM APU TO GROUND POWER. MX INSPECTED FLIGHT DECK AND SURROUNDING AREA FOR ELECTRIC SMELL. NO SMELL NOTED. PERFORMED OPS CHECKS OF GROUND POWER AND APU POWER WITH NO DEFECTS NOTED.