-examine and inspect aircraft components, including landing gear and hydraulic systems to locate cracks, breaks, leaks or other problems.-conduct routine and special inspections as required by regulations.-inspect completed work to certify that maintenance meets standards and that aircraft are ready for operation.-read and interpret maintenance manuals, service bulletins, and other specifications to determine the feasibility and method of repairing or replacing malfunctioning or damaged components.-maintain repair logs, documenting all preventative and corrective aircraft maintenance.-modify aircraft structures, systems or components, following drawings, schematics, charts, engineering orders, and technical publications.-inspect airframes for wear or other defects.-measure parts for wear, using precision instruments.-obtain oil samples and check them for contamination.-maintain, repair, and rebuild aircraft structures, functional components, and parts such as wings and fuselage, rigging, hydraulic units, oxygen systems, fuel systems, electrical system, gaskets, and seals.