As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3060 THE CREW REPORTED THAT DURING TAKEOFF THE LAVATORY SMOKE DETECTOR WENT OFF. THE CREW RAN A CHECKLIST THEN ELECTED TO RETURN TO LAX. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE RIGHT ENGINE IAW AEWC#71-000-00. NO DEFECTS NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE.