Enlarge the holes in C-759 and C-660 for #6 canopy attach screws. Enlarge holes to #30 on C-660 for MK-319-BS blind rivets. Countersink #30 holes for MK-319-BS blind rivets. Deburr the edges and rivet holes on C-759 and C-660. This and the countersinking took forever.Enlarge holes for MK319-BS blind rivets on WD-640 canopy frame. Test fit both side skirts. Looks good.
