Primed the surface where the doublers will positioned on both sides. Removed the Cover Plates F-1275G-L & R by drilling out the LP4-3 rivets attaching them to the surrounding skin for better access to the landing gear as per SB 12-11-09 Addendum.
Step 10: Disconnected the F-1289D L &R Caliper Brake Lines their associated fittings on the outboard side of the U-1302 Inboard Main Gear Attach Brackets.
Step 11: Removed the two most outboard cushion clamps attaching the F-1204Y Wire Run Conduit to the F-1204 Center section Assembly.
Step 12: Used a Step-Drill to drill 3/8 dia. holes in the F-1276 Bottom Skin to allow insertion of a drift for seating the bolt hardware and a socket extension to permit torque to be applied to the head of the U-1202 attach bolts.
Step 33: No cracks were present as the aircraft had not been flown yet.
