As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 6009 - BTV - FLIGHT CREW REPORTED LAV SMOKE EICAS WIRNING INDICATION IN FLIGHT. CREW PERFORMED QRH. NO SMOKE WAS DETECTED EITHER VISUALLY OR BY ODOR. MESSAGE DISAPPERED ABOUT 15 MIN AFTER APEARED. MX PERFORMED INSPECTION AND OPERATIONAL CHECK - NO DEFECTS FOUND. ACFT WAS APPROVED TO RETURN TO SERVICE.