12 AEROSPACE TURBINE ROTABLES, INC. Hydraulics AeTR currently repairs and overhauls a wide range of hydraulic actuators. Retract actuators, door actuators, uplock/downlock actuators, all fit well into our capabilities. AeTR has test stands for both red fluid and Skydrol actuator types and has engineered many solutions relevant to this product line. HYDRAULIC ACTUATORS AeTR provides detail inspection, repair, and overhaul services for many hydraulic dampers, including the flutter dampers used on Bombardier’s Challenger family. Our specialized test equipment enables us to service, troubleshoot, repair, test, and overhaul flutter dampers in accordance with the published maintenance requirements. FLUTTER DAMPER