Toyota has released a technical service bulletin (TSB) for 2007-12 Toyota Tundra pickups to address a condition where paint on the tailgate is bubbling and corroding. This is likely caused by water getting trapped in it. The TSB fixes this problem.
Toyota has released a Technical Service Bulletin for a rust condition on the floor area of all 2007-2011 Toyota Tundra pickup truck bed floors. Check out your truck bed and see if you qualify.