Around 10am this morning, 137 Rescue responded into Penn Hills in 221s first due for reported house on fire. Penn Hills units arrived on scene to find a working fire. 137 arrived on scene and initially set up RIT operations in conjunction with 196 Engine crew (Monroeville VFD #6). Crews would later be switched to assist with suppression/overhaul. 137 units operated on scene for over two hours before being returned back into service.