As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOI- FLIGHT 2403 - LAVATORY SMOKE DETECTOR WENT OFF AFTER TAKEOFF FOR 30 SECONDS. FLIGHT ATTENDANTS NOTED NO SMOKE OR FIRE. MAINTENANCE COMPLIED WITH OPERATIONAL TEST OF THE SMOKE DETECTOR IAW 26-12-11-710-801. NO DEFECTS NOTED. COULD NOT DUPLICATE PROBLEM. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.