Oh, I mean the Nuclear Regulatory Agency ...uh, er ... didn't follow-up or something.
The Nuclear Regulatory Commission failed to resolve known safety problems, leading to 14 'near-misses' in US nuclear power plants in 2009 and 2010, according to a new report from a nuclear watchdog group. - Christian Science Monitor
Too much "big government spending", no doubt.
Also in recent memory. Oil platform inspections. And, who can forget the air maintenance shenanigans that took place under Bush?