Brief Description: counterweight and dimpling rudder spar.
Drilled aft 3 holes in the R-901-L and R-901-R to #30. and dimpled these. Drilled the E-614-020 counterweight to the R-912 rib. Removed the counterweight. Machine countersunk holes in weight for a #10 countersink screw. Deburred holes in the counterbalance rib and dimpled for a #10 countersink screw.
