As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TUL - FLT 768 - DURING TAKEOFF AFT LAVATORY SMOKE DETECTORS SOUNDED AND THE FLIGHT CREW SMELLED SMOKE IN THE AFT CABIN. AIRCRAFT AIR INTERRUPTED AND LANDED OVERWEIGHT TUL WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE APU WAS OVER SERVICED. SERVICED APU TO PROPER LEVEL AND RAN WITH NO FURTHER ODOR NOTED IN CABIN. OVERWEIGHT LANDING INSPECTION REVEALED NO FINDINGS. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)