04-11-18 At 1953 hrs box 50-1 was struck for a reported structure fire. Chief 50 enroute was advised of a working fire and the box was upgraded to a 2nd alarm. Rescue 40 responded with a crew of 4. Crew arrived and was split into 2 crews. A crew went into the exposure building and a crew into the fire building. Crews assisted with fire attack and overhaul. Time out was 2hrs 23mins.