SAIB: CE-19-01- Engine Oil & Airplane Hour Meter; Pressure Switch Failure

This Special Airworthiness Information Bulletin is to alert owners, operators, and maintenance technicians of Textron Aviation Inc. (Textron) Model 172R, 172S, 182S, 182T, T182T, 206H, T206H airplanes, of failure of the “Sensor-Oil Pressure (Hobbs Switch)”, part number (P/N) 83278 as it is referred to in the illustrated parts catalogue. These engine oil pressure switches could have been provided new with the airplane or as a spares replacement part.