Step 1: Marked Left and right skins. Step 2: Clecoed hinges inside Main Skins. Step 3: Match-drilled The #30 holes in the hinges at the masking tape locations and at the inboard ends. Removede the hinges for deburring. Step 4: Clecoed the Main Skins to the Stabilator Skeleton. Step 5: Riveted the Main Skins to the Stabilator Sleleton Assy. Step 6: Riveted the remaining holes on the Skeleton.