Maintenance for the week of December 22:
• NA megaservers for maintenance – December 22, 4:00AM EST (9:00 UTC) - 8:00AM EST (13:00 UTC)
• EU megaservers for maintenance – December 22, 4:00AM EST (9:00 UTC) - 8:00AM EST (13:00 UTC)
There doesn't seem to be any way to check the status of a filed CS ticket, either in game or via the website. This is a major CS oversight and makes getting good, efficient support almost impossible.