As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED SHORTLY AFTER TAKEOFF THE FORWARD LAVATORY SMOKE DETECTOR HAD INTERMITTENT INDICATION. THERE WAS NO VISIBLE SMOKE OR ODOR DETECTED. CREW ELECTED TO RETURN TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE DEFERRED THE FORWARD SMOKE DETECTOR PER MEL 26-16-01. MAINTENANCE REMOVED AND REPLACED THE SMOKE DETECTOR IN ACCORDANCE WITH THE AIRCRAFT MAINTENANCE MANUAL. AIRCRAFT WAS RELEASED FOR SERVICE.