As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA- ON FLIGHT NUMBER 2389, REAR BAGGAGE DOOR WARNING LIGHT CAME ON DURING CLIMBOUT. CLEANED AND LUBED. PERFORMED OPERATIONAL CHECK AFT BAGGAGE DOOR LATCH SEVERAL TIMES. NO DEFECTS NOTED. FOUND LATCH OPENED ON SHUTDOWN. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.