As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF CREW REPORTED A LAVATORY SMOKE INDICATION. FLIGHT ATTENDANT FOUND LAVATORY HAZY AND THE LIGHT WAS INOPERATIVE. REPLACED LAVATORY SMOKE DETECTOR AND PERFORMED CHECK FLIGHT. PASSED CHECK FLIGHT AND TRIAD RELEASED. AIRCRAFT RETURNED TO SERVICE. (M)