As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FROM JAN-DFW - THE CREW RECEIVED A BRIEF 'SMOKE TOILET' AMBER CAUTION MESSAGE WHICH SUBSEQUENTLY CLEARED ITSELF. THE AIRCRAFT LANDED SAFELY IN DFW. MAINTENANCE REMOVED AND REPLACED THE LAVATORY SMOKE DETECTOR. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)