As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED A LAVATORY SMOKE INDICATION DURING TAKEOFF. THE CREW REPORTED FURTHER THAT THERE WAS NO VISIBLE SMOKE OR ODOR IN THE AIRCRAFT. THE CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE CLEANED THE SMOKE DETECTOR AND FOUND THE AIRCRAFT SAFE FOR FERRY FLIGHT. THE AIRCRAFT WAS FERRIED TO SDF. SDF MAINTENANCE REPLACED THE NUMBER 2 ENGINE.