Trimmed W-707G and W-707D (rear spar reinforcement fork and rear spar doubler plate). Drilled W-707F (rear spar end reinforcement) and W-707E (rear spar center reinforcement) to the rear spar. Cut out aileron pushrod hole. Drilled rivet holes to full size on W-707A/707G and 707D. Countersunk W-707F. Also, countersunk spacers and installed spacers, platenuts on to tie downs.