Computer problem prompts Pa. reactor shutdown

Associated Press Modified: November 9, 2012 at 9:45 am •  Published: November 9, 2012

BERWICK, Pa. (AP) — One of two reactors at a northeastern Pennsylvania nuclear plant was shut down Friday morning after a problem with the computer system that controls its level of water, power company officials said.

The Unit 2 reactor at PPL's Susquehanna nuclear power plant was manually shut down by operators after operators began receiving "invalid data" on a screen, company spokesman Joe Scopelliti said.

Scopelliti said workers did "exactly what they're trained to do" after finding a problem with the system that controls the water level inside the reactor at the Berwick, Columbia County, plant. Scopelliti said there was no danger associated with the shutdown.

The reactor's temperature and water level were within normal operating levels at the time of the shutdown, Scopelliti said. The operators manually shut it down before any issues that would have triggered an automatic shutdown.

The source of the computer system problem is under investigation.

While the Unit 2 reactor is shut down, PPL will conduct a previously planned turbine blade inspection.

Operations at the Unit 1 reactor are not affected.

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