-Deburred the F830DEF-1 and F830C floor stiffners (12) - used the 3M wheel on the bench grinder. -Cleco'd the 3 F830C floor stiffners to the floorboards -Cleoc'd the 4 F830B stiffners to the floorboards -Cleco'd the F830D and F830E stiffners to the floorboards -Cleco'd the F833D rear seatback hinge to the floorboards and match drilled it to #30 using the floor holes as a guide. -Removed the Hinge -Final drilled #30 the stiffners that is common with the hinge. I accidentally drilled #30 the keeper rivet on the F830F on the right side so I'll use an oops rivet there (NAS 1097). -Cleco'd the F830F to the floorboards and final drilled the outboard holes