Drilled LH T-813 Fuel Sender Plate to the most outboard internal tank rib. Refered to DWG OP-7 View A-A. Used the pre-punched holes in the plate as a guide to drill #20 holes in the rib. Enlarged holes to 1/4" in rib and not Sender Plate.
Attached the nutplates to Outboard Sender Plate using pre-punched holes as guide. Refered to DWG OP-7 Detail E for nutplate and rivet callouts, orientation, and installation details.
