I saved Wrex in ME1, I saved Maelon's data in ME2, the import screen in ME3 confirmed this.
When I get to the missions on Tuchanka, I completed every one of the side missions before starting the mission where they take down the Reaper and distribute the genophage cure. Then when I finally get to the lab, Mordin tells me that Eve has died.
Yet every site I've been to says that keeping the data allows her to live. So why did she die?