As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD FLT 6023 - THE CREW REPORTED AN ELECTRICAL BURNING SMELL FROM THE CLOSET AREA WHILE SITTING AT THE GATE. MAINTENANCE INSPECTED AND COULD NOT DUPLICATE OR SMELL ANY ELECTRICAL BURNING SMELL. NO DEFECTS WERE NOTED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.