As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6676 - CREW SMELLED SMOKE IN THE COCKPIT FOLLOWED BY A "SMOKE TOILET" MESSAGE. INSPECTED AND PERFORMED HIGH POWER RUNS ON AIRCRAFT WITH NO DISCREPANCIES NOTED. REPLACED LAVATORY SMOKE DETECTOR IAW RJ 200 MM REF 26-16-01. OPS CHECK GOOD.