What was found
AIRCRAFT EN ROUTE, WHEN PASSENGER NOTED ODOR AND SMOKE IN AREA AT LEFT REAR OF CABIN AT CARPETING. CARPET APPEARED HOT, UNDERSIDE MELTED. FLIGHT CREW DIVERTED TO LAS VEGAS. MAINTENANCE DISCOVERED TORN GASKET AT CABIN AIR DUCT, EXIT TO LT WING HEAT PLUMBING WHICH CAUSED HOT SPOT ON CARPET. GASKET ORDERED, DUCTING INSPECTED FOR INTEGRITY AND FOUND GOOD. INSTALLED NEW GASKET. (X)