At 1642 hours the Good Will Fire Co., Fame Fire Co. (for an engine) and First West Chester Companies were dispatched to assist Station 54 at 1646 West Chester Pk. for the report of smoke in the building. Engine 52-2 (Simpkins) responded with 4. The crew conducting an internal search for the source of the smoke while Station 54 crews investigated the roof and air handling systems. Crews cleared around 1715 hours and it was determined a blower motor had caused the smoke condition.