At 0914 hours, Box 49-1, reported structure fire in the area of 2nd Street and Attick Avenue in the Oberlin section of the township. Company 49 (Swatara Township), Engines 41 (Bressler), 44 (Lawnton), 45 (Rutherford), Trucks 456 (Chambers Hill), 50 (Steelton), and Air 41 (Bressler) dispatched on the initial alarm. Chief 49-2 arrived on location with smoke showing on sides A & D from a 2.5 story duplex at 1258 2nd Street. A first alarm assignment requested bringing Rescue 88 (Middletown) and Engine 32-1 (Progress) to the scene. Command 49 reported a working chimney fire with extension. Companies stretched 2 lines to the first and second floor as fire was travelling the walls and void spaces. A second alarm was requested bringing additional manpower to the scene. The bulk of the fire was knocked down in about 10 minutes with extensive overhaul.