What was found
SMF - SMOKE AFT LAV MASTER WARNING MESSAGE CAME ON JUST AFTER TAKEOFF. INSPECTED LAVATORY AND FOUND NO EVIDENCE OF FIRE OR SMOKE. RESET SMOKE DETECTOR. GROUND RAN AIRCRAFT. NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SMF - SMOKE AFT LAV MASTER WARNING MESSAGE CAME ON JUST AFTER TAKEOFF. INSPECTED LAVATORY AND FOUND NO EVIDENCE OF FIRE OR SMOKE. RESET SMOKE DETECTOR. GROUND RAN AIRCRAFT. NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.