Set up and Adjustment of Fuel Control. Installation of the Throttle Position Sensor (TPS) and Mixture Position Sensor (MPS) DATE: October 3, 2024 MODELS AFFECTED: Cirrus SR20 Aircraft equipped with LFR- BNRM10 Fuel Control TIME OF COMPLIANCE: During fuel control installation

Paul McBride, a former Lycoming employee widely known as “Mr. Lycoming,” likes to tell the story of the Mooney owner whose preowned Lycoming IO-360-powered single wouldn’t get up to the specified maximum RPM setting of 2700. After an adjustment at a shop, the engine did obtain 2700 RPM on the gauge, but the power plant failed in flight shortly thereafter. After a safe emergency landing, Canadian...

SERVICE LETTER NO. L293 Air Temperature Sensor P/N 60C28409 DATE POSTED: November 9, 2023 TO: All Owners and Operators of Lycoming TEO-540-C1A REASON FOR PUBLICATION: This Service Letter announces the availability of an enhanced Air Temperature Sensor to be used when replacement of existing sensor is required.