At 17:04 Company 83 was dispatched to assist Station 87 on a working structure fire at 881 Main St. in Wilmore Boro.  Truck 83-2 responded at 17:07 with 5 and was followed by Engine 83-1, Rescue 83-3, Engine 83-6, and Tanker 83-7.  Upon arriving on scene crews found a single story dwelling with smoke coming from the windows but no visible fire.  Upon entering the structure, crews found burnt plastic on the stove as the cause of the heavy smoke.  At that point, crews ventilated the home to remove the smoke.  All units were placed back into service at 17:35 by 87 Chief.  Crews from Stations 84 and 86 were also on scene.