Brief Description: Drilled Left Top Skin to Skeleton/Stub Rib
Drilled top inboard skin & doubler to remainder of main spar, ribs, & rear spar w/41 bit. Enlarged holes in doubler & ribs 2-4 w/30 bit. Positioned W-427 rib into position against ribs 9 & 10 & skin. Bent flange into position. Drilled out 2 rivets in rib 9 & bellcrank bracket. Drilled pilot holes in both 427 ribs. Clamped 427 rib into position & drilled rib to skin, then to ribs. Clamped & drilled top outboard skin to main spar for inboard 20 holes. Deburred inside of bottom inboard skin.
