No I agree at this stage there is no need to open any cargo, but it might be nice to find the weight of it so maybe we can get a clue (very small clue).
Yes until the GM tells us what we can achieve with defence and the engine room we wait and see what the go is.
"Lifting them and getting a weight can mean anything though. Is it a hundred rubber balls or just 2 small bricks of gold weighing the same amount. We should see how easy they are to open, I mean like are they locked?"