Even if it was working 100%, bounce something mechanical that weighs 300lbs across the country and it may not work when you open it up.
I have shipped games myself that REALLY did work 100% and by the time they arrived, they had a fault of some sort (cracked solder joint, connector worked itself off....).
Pinball machines were made to be serviced on site, and most repairs take less than a hour.
What game is it?