As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
2/1/10 FLIGHT 4022 MEM TO TYS ON TAKEOFF RWY9 AFTER 120 KIAS, RECEIVED A SMOKE TOILET MASTER CAUTION MESSAGE. THERE WAS A SMELL OF PETROLEUM OR DEICE FLUID IN THE FLIGHT DECK. AFTER ROTATION PF DECLARED AN EMERGENCY WITH MEM TOWER. MADE RIGHT TRAFFIC TO LAND ON 36C IN MEM WITH CFR IN PLACE. EXTERNAL AND INTERNAL INSPECTION MADE. THEN TAXIED OFF RUNWAY.