First things first- there weren't actually issues with the glue itself on the "red glue boats". So the red glue did not cause problems, the red glue simply indicated that the hulls were a lighter construction.
The original 17s were quite light and my understanding is that they were the lightest hulls ever built. So I would definitely give the hulls a thorough inspection, especially considering that they are now over 25 years old. On the other hand, if they've lasted this long without issues they're probably fine. I suspect that when you look at the boat, it will be very clear whether the hulls are ok- at this point they will either still be rock solid or be totally soft.