At 1742 hours the crew from AT-751 was dispatched as part of the Rapid Intervention Dispatch when first due crews arrived on Sentinel Dr to find a working fire on the second floor. The crew arrived and took up position with the rest of the Rapid Intervention Group till the fire was placed under control. Crews operated for approximately an hour and a half. The responding crew was: OIC-MFF Myers, DR-MFF Daffron, LB-MFF Weaver, and RB-MFF Blair.