What was found
CREW RECEIVED A "LAV SMOKE" EICAS MESSAGE. F/A REPORTED SMOKE IN THE CABIN AND A WARNING AND HORN ON THE FIRE PANEL IN THE GALLEY. F/A REPORTED THE REAR OF CABIN FILLED WITH SMOKE. DECLARED AN EMERGENCY AND RAN THE AOM VOL 1 CHECKLIST. DIVERTED AND LANDED WITHOUT INCIDENT. ON ARRIVAL, FOUND NO EVIDENCE OF FIRE/SMOKE OUTSIDE OR INSIDE ACFT. ACFT REMOVED FROM SERVICE. R & R RIGHT HAD ENGINE IAW 72-000-00. THE OPS AND LEAK CHECKED NORMAL. COMPLIED WITH ENGINE ODOR EVENT TROUBLESHOOTING IAW ETN EM-72-034. OPS CHECKED GOOD. NO FINDINGS AT THIS TIME. AIRCRAFT RETURNED TO SERVICE.