01:45 hrs: Engine and Tower 7 were dispatched along with Company 25 (ETFD) for a possible structure fire. DC-25-1 (C. Jordan) arrived with a smoke condition. Crews from Tower 25 and Engine 7 found a fire in the wall. The wall was opened up and the fire was quickly extinguished. Engine 7's crew swept the chimney with a chimney kit while Tower 7's crew performed positive pressure ventilation.