As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2424 - BAG SMOKE WARNING IN FLIGHT, BOTH LIGHTS AND EICAS MESSAGES STAYED FOR FEW SECONDS THEN WENT OFF. MX RESECURED LOOSE CONNECTOR PLUG AT AFT SMOKE DETECTOR AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. AIRCRAFT WAS APPROVED TO RETURN TO SERVICE.