4:59...4:58...4:57...
S'krllk jumps off the ladder and squeezes to let Porter through. Meanwhile, Hammer is waiting just north of them where he found the light switch and the rest of the party is lined up as shown below.
Porter jumps up the ladder quickly and tosses a doze grenade through the hatch, ducking back down and closing the hatch to wait for it to go off. As it was dark up there, he couldn't see anything.
But just as you hear the doze grenade go off on the deck above, you notice the latch to the north of you (leading to Remote Robot Bay 2) opening, revealing an armed utility robot holding a laser pistol, which is aimed down the hall at you.
4:45...4:44...4:43...
You are stuck in a narrow 3 foot wide corridor with a utility robot aiming a gun down the aisle at you. Porter is on the ladder and the rest are lined in a row.
As you stare down the hall, you do a mental calculation. Terry had four utility robots. He used one for the aircar. This would be the second one, and there are two more somewhere on the ship.