While companies were returning from a box alarm in North Philadelphia, Box 989 toned at 1515 hours for York Road and Venango Streets, fire reported at 3629 N. Marvine Street, for a dwelling fire. Engine 50 quickly arrived on location with a 2 story, occupied, brick, 15x35 with heavy smoke conditions in the rear and they would be going in servicer with 2 and 2. Ladder 22 (RIT), Squad 72, and ES10 sent on the working fire. Battalion 8 used 2 lines for fire in 1 room on the second floor rear. The fire was placed under control at 1558 hours. Engines 50, 55, 59, Squad 72, Ladders 22, 12, 18, Battalion Chiefs 8, 2.