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Preparing the Doubler AER-4039 is a Course

Preparing the Doubler AER-4039


$12 Enroll

Full course description

Course Description

Doublers are used to increase the strength of the fuselage assembly.

By the end of this course, you will be able to

• Drill pilot holes in the doubler

• Locate the doubler on the skin panel

• Enlarge the holes in the doubler to accommodate the fasteners

Estimated completion time (hours): 1.0