As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE AFT LAV AND SMOKE ALARM IN FLIGHT. PAX IN LAV AT THE TIME. QUESTIONED AFTER FLIGHT AND DENIED SMOKING. WARNING STOPPED AFTER 5 SECONDS. FLIGHT COMPLETED. INSPECT AFT LAV NO SIGN OF SMOKE. PERFORM OPERATIONS OF SMOKE DECT, IAW AMM 26-16-00. OPS GOOD.