21-9 arrived o/s reporting heavy smoke from the 2nd floor & eaves of a 2 story mor dwelling. He requested the re-dispatch for working fire along with r.i.t.-19. Orders were given fro the 1st enginge to drop a supply line. Crews ran 2, 1-3/4 lines into the home. Crews opened up to find fire in the walls and cieling between the 1st & 2nd floor. A quick knock was put on the fire.