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| Issue date | Title | Topic | |
|---|---|---|---|
| 05000498/LER-2017-002 | 22 January 2018 | Unit 1 Condition Prohibited by Technical Specifications Due to Inoperable Control Room Envelope Makeup Filtration System Heating Coil LER 17-002-00 for South Texas Project, Unit 1, Regarding Condition Prohibited by Technical Specifications Due to Inoperable Control Room Envelope Makeup Filtration System Heating Coil | Large early release frequency |
| 05000498/LER-2017-001 | 11 May 2017 | Unit 1 failure of a timing relay during a Technical Specification surveillance LER 17-001-00 for South Texas, Unit 1, Regarding Failure of a Timing Relay During a Technical Specification Surveillance | |
| 05000498/LER-2016-002 | 29 June 2016 | Unit 1 Automatic Reactor Trip and Auxiliary Feedwater System Actuation Following Turbine Trip due to Generator Lockout LER 16-002-00 for South Texas Project, Unit 1, Regarding Automatic Reactor Trip and Auxiliary Feedwater System Actuation Following Turbine Trip Due to Generator Lockout | |
| 05000498/LER-2016-001 | 22 March 2016 | Unit 1 Manual Reactor Trip due to Loss of Main Feedwater to C Train Steam Generator When the Steam Generator Feedwater Regulating Valve Failed Closed LER 16-001-00 for South Texas Project, Unit 1, Regarding Manual Reactor Trip due to Loss of Main Feedwater to C Train Steam Generator When the Steam Generator Feedwater Regulating Valve Failed Closed | Probabilistic Risk Assessment |
| NOC-AE-05001865, LER 05-01-00 South Texas Project Unit 2 Regarding Shutdown of STP Unit 2 Due to Reactor Coolant System Pressure Boundary Leak | 5 April 2005 | LER 05-01-00 South Texas Project Unit 2 Regarding Shutdown of STP Unit 2 Due to Reactor Coolant System Pressure Boundary Leak | Time of Discovery Large early release frequency Pressure Boundary Leakage Pressure boundary leak Through-Wall Leak |
| NOC-AE-04001681, LER 01-03-007 for South Texas, Unit 1 Regarding Failure of Main Steam Power Operated Relief Valves 1B | 18 February 2004 | LER 01-03-007 for South Texas, Unit 1 Regarding Failure of Main Steam Power Operated Relief Valves 1B | |
| NOC-AE-00000840, 1,Unauthorized Entry Into Protected Area,Safeguards Event Report | 4 May 2000 | 1,Unauthorized Entry Into Protected Area,Safeguards Event Report |