On 03/02/2017 just before noon, Station 23 was alerted for an Engine to assist Station 12 on a Residential Fire in the Carriage Run section of their first due. Units from 12 arrived to find smoke showing and a fire in the attatched garage. Engine 23 arrived as the second due engine and stretched a back up line to the floor above the fire. Engine 23 controlled minor extension into the floor area. Engine 23 operated for 45 minutes before clearing to handle a fire alarm in the first due.