Plumbed static line from static port up to cockpit. Wire brushed steps and deburred attachment plate. Scotchedbrited steps, cleaned with MEK, and primed. Clecoed back in F750's and F747's. Clecoed in F751 bulkhead and drilled holes on the side and along the bottom. Began layout of F652 upper baggage bulkhead. Riveted a few miscellaneous rivets on side skin to longeron that I had left out to make taking longeron in and out easier prior to permanently riveting in.