Repairs, replaces, and rebuilds aircraft structures, such as wings and fuselage, and functional components including rigging, surface controls, and plumbing and hydraulic units, using hand-tools, power tools, machines, and equipment such as shears, sheet-metal brake, welding equipment, rivet gun, and drills. Reads and interprets manufacturers' and service maintenance manuals, service bulletins, and other specifications to determine feasibility and method of repairing or replacing malfunctioning or damaged components.