As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED RECEIVING A LAV SMOKE INDICATION WITH A FUNNY SMELL IN THE COCKPIT AND RETURNED TO THE GATE. ON THE WAY BACK TO THE GATE, THE LAV SMOKE INDICATION EXTINGUISHED BY ITSELF. MAINTENANCE INSPECTED THE LAV SMOKE DETECTOR AND PERFORMED OPERATIONAL CHECKS OF THE PACKS IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 21-00-00 AND FOUND NO DEFECTS. THE AIRCRAFT WAS THEN RELEASED FOR SERVICE.