As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EWR INFLIGHT T164/15FEB - CREW REPORTS MID LAVATORY SMOKE DETECTORS ACTIVATED FOLLOWED BY SMOKE AND ODOR IN CABIN. LANDED EWR WITHOUT INCIDENT. REPLACED SMOKE DETECTOR IN MID LAVATORY. AIRCRAFT FERRIED TO TUL FOR FURTHER EVALUATION AND REPAIRS.