05-25-2011: 2.5 hrs
The last two holes of the tip rib are riveted using chisel as buckling bar, looks ok
Chisel in bucking position
The last hole on the root rib is so hard to rivet using chisel, I went ahead using a MS319BS pop rivet
Counter balance weight is secured using self-locking nut
Started working on stiffeners of left rudder
Stiffeners E-720 K, J, L are trimmed from E-720 E,D,F
Stiffeners are clecoed to the left rudder skin for final drill
Left rudder stiffeners are match/final drilled and marked for top and bottom surfaces
