 This is Michiana's breaking news and weather station at 1019 FM, 1340 AM, and mncnation.com. I'm Tommy Lee. Unit 2 of the Cook Nuclear Power Plant is back online. The Unit 2 reactor was taken out of service last week when a leak was detected on a charging pump discharge control valve. The plant says repairs have been completed. WSJM reports that the Unit 2 reactor was reconnected to the power grid late Tuesday morning. No customers were affected by the outage.