January 5, 2016 DFD would be dispatched at 0656 hours for a possible residential structure fire at 1142 Patterson Street. While en route DFD would be advised that the fire would be in the chimney of the residence. Engine 771 (Station 2) and Engine 774 ( Station 1) would arrive with nothing showing from the exterior of the single family dwelling. Command advised to cancel automatic mutual aid. During roof top operations crews from both engines would check the interior and exterior. Crews found no fire.