Take a 1080i60 DVCPRO HD sequence preset and go to Sequence -> Settings.
Change the Editing Ttimebase to 23,98.
The Feld Dominance will switch to None.
If you use a BMD or AJA video card you can monitor 24p to a NTSC monitor.
Go to Final Cut Pro -> System Settings -> Playback Control
Set the Pulldown Pattern to 2:3:2:3
Set up your video card inside the AJA or BMD control panels.