Speak with Fizzcrank Fullthrottle at Fizzcrank Airstrip.
Oh good, you're [player], right?
We need your help up north at Fizzcrank Airstrip, like yesterday! The magnataur, and the Scourge... and the pumping station!
It's madness I tell you, madness!
You've got to head up there and talk to old man Fullthrottle a.s.a.p.!