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14:36 Feb 19, 2020
Manual Reactor Trip Due to Loss of Control of Steam
At 0936 EST on February 19, 2020, the Watts Bar Unit 1 reactor was manually tripped while operating at 100 percent power in response to loss of control of water level for steam generator number 3. All control and shutdown bank rods inserted properly in response to the manual reactor trip. All safety systems including Auxiliary Feedwater actuated as designed. The plant is stable with decay heat removal through Auxiliary Feedwater and Steam Dump Systems. There is no impact to Unit 2.
|Watts Bar |
Tennessee (NRC Region 2)
|10 CFR 50.72(b)(2)(iv)(B), RPS Actuation|
|Time - Person (Reporting Time:+-4.27 h-0.178 days <br />-0.0254 weeks <br />-0.00585 months <br />)|
10:20 Feb 19, 2020
|NRC Officer:||Donald Norwood|
|Last Updated:||Feb 19, 2020|
|54532 - NRC Website|
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