Maintenance for the week of May 6:
• PC/Mac: NA and EU megaservers for patch maintenance – May 6, 4:00AM EDT (8:00 UTC) - 9:00AM EDT (13:00 UTC)
• Xbox: NA and EU megaservers for maintenance – May 8, 6:00AM EDT (10:00 UTC) - 9:00AM EDT (13:00 UTC)
• PlayStation®: NA and EU megaservers for maintenance – May 8, 6:00AM EDT (10:00 UTC) - 9:00AM EDT (13:00 UTC)
During the event, for Sunday and Monday's time periods I never received event tickets even though I played and killed numerous bosses in the City and sewers during that period.
I submitted a support ticket but have not heard back from anyone.