Drilled F-1038 Step Support Blocks to #12 not #10. Match drilled F-1020-L Mid Baggage Rib for #12 bolts as per directions and installed F-10398 (edge distance not good for 1 hole). Set Step Sweep bank and drilled left #30 guide hole all the way through F-1077. Clecoed F-1022A-L and drilled #30 hole for access. Enlarged holes to #12. Enlarged holes in F-1077 and F-1022A-L to 5/8" for socket access.
