Browse wiki

LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report

10 CFR 50.73#a2 +  and 10 CFR 50.73 +

05000254  +  and 00254  +

Exelon +, Bax R +  and Barber T +

05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +, 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +  and 05000254/LER-1990-021, :on 900812,RHR Valve 1001-50 Failed to Open During Shutdown Cooling & Startup Operations.Caused by Thermal Binding of Valve & Hydraulic Lock of Valve Operator.Valve Manually Operated +

0.00463 d (0.111 hours, 6.613757e-4 weeks, 1.522e-4 months)  +, 0.012 d (0.288 hours, 0.00171 weeks, 3.938175e-4 months)  +, 0.00249 d (0.0597 hours, 3.554894e-4 weeks, 8.18075e-5 months)  +, 0.00243 d (0.0583 hours, 3.472222e-4 weeks, 7.9905e-5 months)  +, 0.00289 d (0.0694 hours, 4.133598e-4 weeks, 9.5125e-5 months)  +, 0.0108 d (0.258 hours, 0.00154 weeks, 3.53865e-4 months)  +, 2.777778e-4 d (0.00667 hours, 3.968254e-5 weeks, 9.132e-6 months)  +, 0.00694 d (0.167 hours, 9.920635e-4 weeks, 2.283e-4 months)  +  and 2.314815e-5 d (5.555556e-4 hours, 3.306878e-6 weeks, 7.61e-7 months)  +

Limitorque +, General Electric +  and Reliance Electric +

10 CFR 50.73(a)(2)(v), Loss of Safety Function +, 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability +, 10 CFR 50.73(a)(2)(iv), System Actuation +, 10 CFR 50.73(a)(2)(i) +, 10 CFR 50.73(a)(2)(x) +, 10 CFR 50.73(a)(2)(iii) +, 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition +, 10 CFR 50.73(a)(2)(viii)(A) +, 10 CFR 50.73(a)(2)(viii)(B) +  and 10 CFR 50.73(a)(2)(1) +

Primary containment +, Shutdown Cooling +, Residual Heat Removal +, Main Condenser +  and Control Rod +

https://lersearch.inl.gov/Index.aspx?Page=PDFView?Doc::2541990021R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML2008/ML20082D238.pdf  +