On November 18 shortly after 6a.m. Mt. Penn was dispatched along with Lower Alsace (Co4) and Exeter (Co25) to 3615 Patton Ave. for a possible structure fire, reported heater malfunction. Just after arrival Lt 25-2 reported a working fire with fire in the basement. Crews stretched multiple lines into the house at the first floor and basement level while other crews vented the heavy smoke in order to find the seat of the fire in the cut up & sectioned off basement. Once located it was quickly brought under control. Command struck a second alarm to bring additional manpower to the scene from the City of Reading and West Reading (Co64). Extensive overhaul was required to find and extinguish several pockets of hidden fire, especially above and below the area of the front door. Crews were able to begin clearing just after 9a.m. The Red Cross was contacted to assist the occupants. The exact cause of the fire remains under investigation.