I didn't do this, but now wish I had. We have the 2007 29' with twin slides. It comes with an inbuilt coffee maker attached to the cupboard door under the sink. There is quite an extensive amount of Corian material used to frame in the coffee maker, and overall there is a lot of weight hanging off the door.
While driving up the I5 yesterday (the climb from LA up to the Grapevine), we stuck to the inside lane, which was heavily rutted. At one point the cupboard door swung open, and then immediately disintegrated from the weight of the coffeemaker and the juddering - the hinges themselves didn't detach, but the joins in the door simply came apart.
So now I am looking for a replacement cupboard door in cherry, will call the factory tomorrow to see what they have. Others may want to either remove the coffee maker, or devise some latching solution that would absolutely prevent the door from opening.