As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2715 - EWR - FLIGHT CREW REPORTED LAV SMOKE ALARM WENT OFF INFLIGHT, NEITHER FIRE NOR SMOKE NOTICED. CREW LANDED ACFT UNEVENTFULLY. EWR MX REMOVED AND REPLACED LAV SMOKE DETECTOR AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT APPROVED TO RETURN TO SERVICE.