What was found
FLIGHT 4132, CREW REPORTED JUST AFTER VR, FUMES AND HAZE BECAME EVIDENT IN COCKPIT. BY APPROX. 500FT, FLIGHT ATTENDANT CHIMMED AND NOTIFIED CREW OF SMOKE IN CABIN. EICAS LAVATORY SMOKE WARNING ILLUMINATED. EMERGENCY PROCDURES PERFORMED PER AOM - 1. FLIGHT ATTENDANT INSPECTED FOR FIRE/SMOKE IN THE LAV & CARGO AREA. AN OVERWEIGHT LANDING WAS NOT MADE. THE JET HAD EXPERIENCED A DE-ICING/ANTI-ICING EVOLUTION. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 1 ENGINE IAW 71-000-00. OPS & LEAK CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.