At ~ 10:47 AM, Westmoreland 911 dispatched Station 20 (Murrysville VFC) to assist Station 78 (Sardis VFC) for an Automatic Fire Alarm (AFA) at Respironics on Murry Ridge Lane. Station 20 responded with Truck 20 (3 firefighters including Assistant Chief 20), with 7 firefighters in station on standby in case Engine 20 and Squad 20 were needed. Westmoreland 911 also dispatched the following additional stations to support Station 78: Station 236 (Holiday Park VFC), Station 183 (Renton VFC), Station 115 (Upper Burrell VFC), Station 64 (White Valley VFC), Station 102 (Washington Township VFC), Station 170 (Monroeville #4). Engine 78 was first on scene, established the command, and found that maintenance was conducting a fire drill. The AFA System was reset, and Command 78 returned all responding stations except for Station 78. Truck 20 returned to service and station.