Follow the guide arrow back to the docking station and expect a couple of Houdini splicers along with another alpha series on the lower floor. You should be able to snipe the alpha series dead from ...

Head west from here, into the lounge, and you'll find a pair of Houdini splicers dancing. Whack 'em, then look for a door to the north. You need to hack a control panel next to the door to open it up, ...