As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - AICRAFT RETURNED TO FIELD WHEN FUSELAGE DOOR WARNING WAS RECIEVED FOR THE AFT BAGGAGE DOOR. MAINTENANCE INSPECTED AND FOUND THE DOOR HANDLE NOT STOWED. MAINTENANCE CLEANED AND LUBED THE MECHANISM, STOWED THE HANDLE AND PERFORMED OPERATIONAL CHECK. OPERATIONAL CHECK IS GOOD AND AIRCRAFT RETURNED TO SERVICE.