As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH, A TOILET SMOKE MESSAGE ON ENGINE INDICATION AND CREW ALERT SYSTEM WITH LAVATORY SMOKE DETECTOR ALARM ON. SMOKE ODOR NOTICED, BUT NO SMOKE OR FIRE VISIBLE. EMERGENCY RESPONSE VEHICLES CALLED OUT. FLIGHT LANDED OK. NO EVIDENCE OF SMOKE OR FIRE IN LAVATORY. LAVATORY SMOKE DETECTOR REPLACED. PART TC: 2,977.