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

10 CFR 50.73 +, 10 CFR 50.73#a2ivA +, 10 CFR 50.73#a2vD +, 10 CFR 50.73#a2ivB +, 10 CFR 50.72#b2ivB +, 10 CFR 50.72#b3ivA +, 10 CFR 50.72#b3vD +  and 10 CFR 50.72#b2ivA +

05000341  +  and 00341  +

Polson K +  and DTE Energy +

05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +, 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +  and 05000341/LER-2018-002, Loss of Division 1 Offsite Power Causes Partial Loss of Feedwater Leading to ECCS Injection and Reactor Scram +

9.259259e-4 d (0.0222 hours, 1.322751e-4 weeks, 3.044e-5 months)  +, 2.777778e-4 d (0.00667 hours, 3.968254e-5 weeks, 9.132e-6 months)  +  and 4.282407e-4 d (0.0103 hours, 6.117725e-5 weeks, 1.40785e-5 months)  +

10 CFR 50.73(a)(2)(iv)(A), System Actuation +, 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition +, 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) +, 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 50.73(a)(2)(ix)(A), Prevented Safety Function in Multiple System +, 10 CFR 50.73(a)(2)(viii)(A) +, 10 CFR 50.73(a)(2)(viii)(B) +  and 10 CFR 50.73(a)(2)()(B) +

Washington +  and Michigan +

Feedwater +, Service water +, High Pressure Coolant Injection +, Reactor Protection System +, Emergency Diesel Generator +, Primary Containment Isolation System +, Reactor Core Isolation Cooling +, Reactor Recirculation Pump +, Residual Heat Removal +, Emergency Equipment Cooling Water +, Emergency Core Cooling System +, Safety Relief Valve +, Main Condenser +, Control Rod +, Low Pressure Coolant Injection +  and Main Turbine Bypass System +

TS-3.0.3 +, TS-3.5.1 +, TS-3.8.1 +  and TS-3.7.4 +

Document Control Desk +  and Office of Nuclear Reactor Regulation +

Aging Management +, Maintenance Rule Program +  and Offsite Circuit +

https://lersearch.inl.gov/Index.aspx?Page=PDFView?Doc::3412018002R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML1816/ML18164A077.pdf  +