FAA Adopts Airworthiness Directive for Columbia Aircraft Manufacturing Models LC41-550FG and LC42-550FG

Summary

The Federal Aviation Administration (FAA) has issued an Airworthiness Directive (AD) for Columbia Aircraft Manufacturing's Models LC41-550FG and LC42-550FG airplanes, requiring pilots to deactivate the Thermawing Deice System and install a placard due to potential damage to the wings and horizontal stabilizer caused by a short circuit condition at the deice heater connector.