I've been toying with the idea of a world that was once hyper-technological, where body modification and nanotech-based body modifications were the norm such that society practically couldn't function without these various enhancements (similar to current society with smartphones). Only, something caused the collapse and ruin of said society. Cut to many generations later, where much of nature has reclaimed the world. Certain systems, such as nuclear power plants, were designed with such redundancy that they have managed to continue operation until now, with the assistance of some mutated post-apocalypse folks being advised by an AI that has helped them with the operation of said facility. However, being post-apocalyptic, they have none of the enhancements that the people operating the facility would have had, and thus would not have the full capability of the original facility workers. As a result, the facility is very gradually declining to the point where failure, potentially catastrophic, is imminent.
My question is, what would a group of 3-6 people who were preserved since before and thus have said enhancements be able to do that could prevent the full collapse of the facility and prevent a potential radiation leak/nuclear explosion? I'm stumped thinking of what exactly they could do differently