Brief Description: dimpling the understructure of the horizontal stab
Marked and disaaembled all the parts. Deburred all the holes in the skin and skeleton. Dimpled all the holes in the understructure. Smoothed edges on all the parts. If you look at the pictures, you can see where every hole is dimpled. The bent or creased places on the flanges, is the fluting. It is used to straighten the ribs.
