As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LMT- SHORTLY AFTER TAKEOFF, THE LAVATORY SMOKE DETECTOR STARTED BEEPING. THE FLIGHT ATTENDANT CHECKED THE LAVATORY AND TRASH BIN FOR SIGNS OF SMOKE OR FIRE. NONE FOUND. FLIGHT ATTENDANT RESET THE SMOKE DETECTOR, THE BEEPING STOPPED, BUT THE FLASHING LIGHT STAYED ON. MAINTENANCE CLEANED THE SMOKE DETECTOR ELEMENT AND PERFORMED TEST PER 26-16-00-710-801. CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.