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

10 CFR 50.73#a1 +  and 10 CFR 50.73#a2iB +

05000413  +  and 00413  +

Henderson K +  and Duke Energy +

05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +, 05000413/LER-2013-002, Regarding Technical Specification Limiting Conditions for Operation (Lcos) 3.6.3 and 3.7.3 Were Violated Due to the Isolation of Nitrogen Supply to Two Unit 1 Main Feedwater Isolation Valves +...

9.259259e-4 d (0.0222 hours, 1.322751e-4 weeks, 3.044e-5 months)  +, 8.333333e-4 d (0.02 hours, 1.190476e-4 weeks, 2.7396e-5 months)  +, 6.944444e-5 d (0.00167 hours, 9.920635e-6 weeks, 2.283e-6 months)  +, 4.166667e-4 d (0.01 hours, 5.952381e-5 weeks, 1.3698e-5 months)  +, 9.259259e-5 d (0.00222 hours, 1.322751e-5 weeks, 3.044e-6 months)  +  and 1.388889e-4 d (0.00333 hours, 1.984127e-5 weeks, 4.566e-6 months)  +

05000413/LER-2011-003, Technical Specification Required Shutdown of Unit 1 and Unit 2 and Associated Technical Specification Violation Involving Notice of Enforcement Discretion Due to Two Inoperable Trains of the Control Room Area Chilled +, 05000413/LER-2013-001, 0 for Catawba Nuclear Station, Unit 1 and 2 Regarding Each Diesel Generator Was Determined to Be Unknowingly Inoperable During Its Monthly Surveillance Test Due to Technical Specification Surveillance Requirement 3.8.1.17 Not B +, 05000414/LER-2012-001 +, 05000413/LER-2012-003, Regarding Technical Specification (TS) Limiting Conditions for Operation (Lcos) 3.0.4 & 3.7.5 Were Violated Due to Unit 1 Entering Mode 3 with Turbine Driven Auxiliary Feedwater (AFW) Pump Unknowingly +  and 05000413/LER-2012-001-01, Regarding Automatic Reactor Trip Due to Faulted Reactor Coolant Pump Motor Cable Resulted in Zone G Relay Lockout and Subsequent Loss of Offsite Power and Emergency Diesel Generator Automatic Start for Both Units +

10 CFR 50.73(a)(1), Submit an LER +, 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)(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 50.73(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) +

Steam Generator +, Feedwater +, Emergency Diesel Generator +  and Auxiliary Feedwater +

TS-3.6.3 +  and TS-3.7.3 +

Document Control Desk +  and Office of Nuclear Reactor Regulation +

Enforcement Discretion +, Loss of Offsite Power +, Overexposure +  and Skill of the craft +

https://lersearch.inl.gov/Index.aspx?Page=PDFView?Doc::4132013002R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML1405/ML14050A128.pdf  +

WO 2125269 +  and WO 2123343 +