Slightly before midnight, Station 46 was dispatched to assist East Brandywine (Station 49) and Glenmoore (Station 48) with an odor investigation inside. Engine 46-2 made the response along with Ambulance 46-1. At the scene crews from all companies investigated the house with gas meters, thermal imagers and heat guns. After the source of the odor was determined all units returned to station around 12:45am.