Brief Description: Preparing the Ribs / Drilling the HS
HS-706, HS-707 and HS-708 fluted and straightened. Both HS-405 forward flanges drilled. Left side HS-702, HS-603PP, HS-706, HS-707 and HS-708 clecoed together. All rib to spar attach holes drilled except for HS-708. All holes deburred. Reassemble structure. HS-801PP skin clecoed to assembly. HS-708 to HS-603PP holes enlarged to #21. HS-404 and 405 rib holes marked.
