chances are more probable than not that the platics console itself is cracked and the arm pad itself will detatch soon enough. This happened on mine and at first i was going to pick up a console from a salvace yard. in the mean time i need a fix because i NEED the arm rest in the X.
I took a piece of 1" x 3" wood and cut it down to fit in the console and into the armrest piece. I drilled several holes in the armrest and the console and screwed everything together. months later this thing is still fine, goes up and down fine and supports the weight of my arm everyday. you can't even see the screws unless you fold up the arm rest and look...