Brief Description: Aft wing skin and tip-up cabin frame
Prep aft wing skin F-774 and tip-up cabin frame F-631. Ground bevel into aft skin edges where needed and deburred. Drilled out rivet holes and deburred holes and frame components. Made F-631E plates. Riveted F-707B angle clip to F-707 frame. Ground bevel into aft edge of F-788 gusset.
