What was found
AIR RETURN TO SWF, AFTER RECEIVING SMOKE TOILET MESSAGE ON TAKEOFF. GROUND RUNS AND OPERATIONAL CHECKS OF ACM SYSTEM PERFORMED NO DEFECTS. DETERMINED TO BE RESIDUAL DE-ICE FLUID INTO ACM SYSTEM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR RETURN TO SWF, AFTER RECEIVING SMOKE TOILET MESSAGE ON TAKEOFF. GROUND RUNS AND OPERATIONAL CHECKS OF ACM SYSTEM PERFORMED NO DEFECTS. DETERMINED TO BE RESIDUAL DE-ICE FLUID INTO ACM SYSTEM.