Repair body or structure of aircraft according to specifications.

Reinstalls repaired or replacement parts for subsequent riveting or welding, using clamps and wrenches.

Reads work orders, blueprints, and specifications or examines sample or damaged part or structure to determine repair or fabrication procedures and sequence of operations.

Locates and marks dimension and reference lines on defective or replacement part, using templates, scribes, compass, and steel rule.

Repairs or fabricates defective section or part, using metal fabricating machines, saws, brakes, shears, and grinders.

Removes or cuts out defective part or drills holes to gain access to internal defect or damage, using drill and punch.