Well, the one station transformer cable burnt, taking all power away from both distribution boards for the station. The second station transformer was undergoing maintenance at the time, so no backup.
The loss of power resulting in a lot of motors tripping across the station, some of which were critical. This lead to the units becoming really difficult to near impossible to control/operate which resulted in the units being shut down one by one, until all 6 units at the station were off load.
As you can imagine, this is a major fuck-up. So yeah, much fun was had.