Hera watches the grate hit the floor, skittering away from her. Then, she turns, retrieving the droid head, and tossing it up into the vent first, listening to it clatter along above them.

It's a little promising, at least.

Then, using the wall to help her up again, Hera jumps, her hands now reaching to grip the edge of the vent. She bends her arms and, rather smoothly, pulls herself up into it.