As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXPERIENCED SMOKEAND FUMES OF A RUBBER ODOR IN FORWARD CABIN ROWS 1 & 2 AFTER PUSHBACK AND ENGINE START. INSPECTED ALL ELECTRICAL ITEMS IN FORWARD GALLEY, LIGHTING BALLASTS, AND FIXTURES; INSPECTED RIGHT RECIRCIRCULATION FAN, AND RAN ENGINES, NO ODORS NOTED.