As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - FLIGHT 2309 - THE TAKEOFF WAS ABORTED WHEN THE CREW RECEIVED AN AFT BAGGAGE DOOR WARNING LIGHT. MAINTENANCE INSPECTED THE DOOR AND FOUND THE HANDLE POPPED OUT. THE HANDLE WAS SECURED. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.