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Licensee Event Report, Letter  and Licensee Event Report (LER)

10 CFR 50.73 +, 10 CFR 50.73#a2iB +, 10 CFR 50.73#a2vii +, 10 CFR 50.73#a2ii +, 10 CFR 50.72#b3iiB +  and 10 CFR 50.72#a2vD +

05000317  +, 05000318  +, 00317  +  and 00318  +

Flaherty M +  and Exelon +

05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +, 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +  and 05000317/LER-2015-001, Regarding Component Cooling and Shutdown Heat Exchanger Lineup Potential to Exceed Design Basis Temperatures +

5.787037e-5 d (0.00139 hours, 8.267196e-6 weeks, 1.9025e-6 months)  +, 4.62963e-5 d (0.00111 hours, 6.613757e-6 weeks, 1.522e-6 months)  +, 2.546296e-4 d (0.00611 hours, 3.637566e-5 weeks, 8.371e-6 months)  +, 8.333333e-4 d (0.02 hours, 1.190476e-4 weeks, 2.7396e-5 months)  +  and 9.259259e-4 d (0.0222 hours, 1.322751e-4 weeks, 3.044e-5 months)  +

10 CFR 50.73(a)(2)(iv)(A), System Actuation +, 10 CFR 50.73(a)(2)(v)(A), Loss of Safety Function - Shutdown the Reactor +, 10 CFR 50.73(a)(2)(v)(B), Loss of Safety Function - Remove Residual Heat +, 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)(i)(B), Prohibited by Technical Specifications +, 10 CFR 50.73(a)(2)(i) +, 10 CFR 50.73(a)(2)(x) +, 10 CFR 50.73(a)(2)(ii)(A), Seriously Degraded +, 10 CFR 50.73(a)(2)(iii) +, 10 CFR 50.73(a)(2)(i)(A), Completion of TS Shutdown +, 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition +, 10 CFR 50.73(a)(2)(ix)(A), Prevented Safety Function in Multiple System +, 10 CFR 50.73(a)(2)(viii)(A) +  and 10 CFR 50.73(a)(2)(viii)(B) +

Shutdown Cooling +, Emergency Core Cooling System +  and Containment Spray +

Document Control Desk +  and Office of Nuclear Reactor Regulation +

Unanalyzed Condition +, Ultimate heat sink +, Probabilistic Risk Assessment +  and Large early release frequency +

https://lersearch.inl.gov/Index.aspx?Page=PDFView?Doc::3172015001R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML1508/ML15084A008.pdf  +