Brief Description: Left Wing - leading edge / tank
Drilled W423 for nutplatesRivetted nutplates to W423 (Tank Joint Plate)Fastened tank to spar with screws and bolts. Bolts all torqued to 25 inch pounds.Dimpled top skinsScarfed inner side of outboard skin and upper side of inboard skin (primed scarfed areas)Machine counterunk the spar for the skin dimples (should have done this before attaching the leading edge and the tank, but with care, all of the countersinks come out ok.)