As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
3L LAV SMOKE ALARM ACTIVATED, NO INDICATION OF SMOKE OR FIRE. ACP VISUAL AND ALL TEST PER AMM 26-13-00. 3L SMOKE ALARM OK NO FAULTS DETECTED, INSPECTED SMOKE DETECTOR NO ISSUES FOUND AND INSP FLUSH MOTOR AND LIGHTING SYS NO FAULTS FOUND. ALSO NO SMELL OF SMOKE IN OR AROUND LAV 3L. SUSPECT FALSE INDICATION.