At 1655 hours, Box 47-3 sent Company 47, Engine 36-2, and Truck 48 to 168 Christian Drive for a residential fire alarm. The alarm company advised of hallway smoke detectors and Duty Officer 47 was updated that a neighbor reporting smoke in the structure. The box assignment was requested bringing Company 46 to the scene. Command 47 had smoke showing from side A of a single family dwelling. Companies stretched a line quickly knocking down a room and contents fire on the first floor. Command special called Engine 39, Rescue 91-5, and Air 35 to the scene. Companies operated for about 2 hours.