As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - ON FLIGHT 2486, RETURNED TO GATE. GROUND SERVICE DOOR LEFT OPEN AFTER PUSHBACK. MAINTENANCE PERFORMED A GVI OF THE GROUND SERVICE DOOR AND SURROUNDING AREAS. NO DEFECTS WERE FOUND. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.