This first link here makes me absolutely furious. There's too much to quote from here, but this succinct excerpt touches on loosening safety tests. It goes into more detail in other parts of the article. The post has numerous example of very concerning issues.
> When valves leaked, more leakage was allowed — up to 20 times the original limit. When rampant cracking caused radioactive leaks from steam generator tubing, an easier test of the tubes was devised, so plants could meet standards.
https://www.nbcnews.com/id/wbna43455859
> The proposal comes as most of the nation’s nuclear power plants, which were designed and built in the 1960s or 1970s, are reaching the end of their original 40- to 50-year operating licenses. Many plant operators have sought licenses to extend the operating life of their plants past the original deadlines, even as experts have warned that aging plants come with heightened concerns about safety.
https://www.nytimes.com/2019/07/17/climate/nrc-nuclear-inspe...
> The nuclear industry is also pushing the NRC to cut down on safety inspections and rely instead on plants to police themselves. The NRC “is listening” to this advice, the Associated Press reported last month. “Annie Caputo, a former nuclear-energy lobbyist now serving as one of four board members appointed or reappointed by President Donald Trump, told an industry meeting this week that she was ‘open to self-assessments’ by nuclear plant operators, who are proposing that self-reporting by operators take the place of some NRC inspections.”
https://newrepublic.com/article/153465/its-not-just-pork-tru...
