Take hydraulic or fuel contamination samples, perform corrosion control treatment, including chemical or mechanical removal of corrosion deposits, Form-in Place (FIP) seal removal and a variety of general labor tasks relating to aircraft or aircraft systems maintenance. With oversight, assist in disassembly, repair, rework and installation of various systems and components such as wings, control surfaces, control systems, landing gear, arresting gear, fuel cells, instrumentation, and engines.