Machine countersinked the rivet holes for the center section nutplates. Deburred W-822PP, drilled and dimpled the #6 holes. Machine countersinked the holes for the access plate nutplates #6 and #40. Spot primed all countersinks on spar with EkoPrime. Riveted on the nutplates for the fuel tank on the left spar. Clecoed nutplates for the center section on both spars.
