At 0046 hours, Engine & Truck Company 37, with 8 volunteers, was dispatched for the House on Fire, in the 9100 block of Old Marlboro Pike. The first due engine, E823 (Forestville) arrived on scene and reported a one story trailer with fire showing from the bravo and delta sides of the home. Engine Company 37 was dispatched as the third due engine, and arrived on scene after lying 1100 feet of supply line. The engine positioned on the delta side of the home and deployed a backup line to the rear of the structure. Truck 37 arrived and split into two teams with the inside group being assigned division one supervisor. The truck company conducted primary searches, which were negative and opened up for 23. The engine operated for two and a half hours with the truck clearing shortly after operating for four hours.