Could use Titanium Grade 5 (aircraft grade); lighter but more expensive and difficult to machine
Cut and re-weld the elevator control horn, with doubler
Add tailwheel steering arm to the rudder
Make the arm 1 inch shorter than the tailwheel arm
Attach a phenolic block on rudder post bulkhead; drill and tap screw holes in to the block
Use 4130
Cut out the bulb at the lower front of the rudder to access the front of the bulkhead
Verify the presence of fiberglass pads on all hinge bracket attach points
Add aft position light
Question #1: Is this necessary with the new AeroLED wingtip lights? The answer hinges on whether are viewable for the requisite 180 degrees. [Answer: not required]