As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT BAG SMOKE DETECTOR WARNING ILLUMINATED IN-FLIGHT. PERFORMED SMOKE DETECTOR TEST, FOUND NR 1 SMOKE DETECTOR NOT TESTING PROPERLY. ISOLATED NR 1 SMOKE DETECTOR IAW MEL PROCEDURE 26-8. AIRCRAFT RETURNED TO SERVICE. ACTT: 3,169:18. ACTC: 3,667. (X)