1628 - Box 2-01 1st alarm units were sent to Mifflintown Boro, 1 N Main St at the Courthouse, for a fire alarm. Engine 2 marked out with 5. JCCC advised they could see the alarm in the cameras. Chief 2-2 arrived, normal exterior conditions, visible/audible alarm sounding. Truck 2 and EMS to the Bridge St side. Box held to Co 2. Crews made access, panel showed 3rd floor detector. Crews found a faulty detector. Box cleared.