Thank you guys for being with me in this sad moment I never use the fostex stand or any stand to be honest since I have a habit of storing all my headphones in their own box after listening so it sit in its box most of the time. I didn't expect this to happen since the only one I knew that had this problem was Anakchan who brought his cans outside for meeting and travelling while the only time mine stayed outside was the time I brought it back to my house. After listen to some tracks in the morning I took it out to put it back to its box and the cup felt down on the way .So it's snapped under a normal usage by itself.
The joint looks like an easy fix by screwing the screw back but I won't do that by myself because the screw driver might damage the beautiful cup and the issue can happen again (this time I am lucky that it felt to a soft surface I don't know about next time). IMO it's a terrible flawed design using such a short and small screw to hold the cup. I sent email to my local shop and fostex aus already so I hope they could find a solution for my case.
Edited by Audio Jester - 12/14/12 at 7:20am