Brief Description: Drill HS-00005 rib to HS-603PP spar.
Remove the HS-00006 and HS-00005 ribs and flute as necessary between the rivet hole marks (this was not required).
Reinstall the HS-00006 and HS-00005 ribs. Clamp HS-00006 to the HS-801PP skin and spar assembly.
Match Drill #30 and cleco the aft flange of HS-00005 rib to HS-603PP spar, using the holes in the spar as a drill guide. Remove HS-00005, clean out an chips.
