[vertak]

This study is from 1987. Might it it be slightly outdated?

This article from 2009 addresses the lower age estimates from the 1980’s era, saying reactors could last for 80 years or even more.

https://www.scientificamerican.com/article/nuclear-power-pla...

[natch]

In theory, there is no difference between theory and reality. In practice, there is.

[wiz21c]

FTA :

"We think we can replace almost every component in a nuclear power plant," said Jan van der Lee, director of the Materials Ageing Institute (MAI), a nuclear research facility inaugurated this week in France and run by the state-owned nuclear giant EDF.

EDF is state owned just as much as nuclear reactor construction company => I wouldn't trust that guy

[viraptor]

This is a bit of an edge case. Who else can you ask about the practicality of replacing reactors, other than people who replace reactors?