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 Issue dateTitleTopic
RC-18-0049, LER 2018-001-01 Tor Virgil C. Summer, Unit 1, Valid Actuation of Emergency Diesel Generator7 May 2018LER 2018-001-01 Tor Virgil C. Summer, Unit 1, Valid Actuation of Emergency Diesel GeneratorMaintenance Rule Program
RC-18-0056, (Vcsns), Unit 1 - Licensee Event Reports (2016-001-02, 2016-002-01, 2016-003-02) - Revision to Correct Typographical Errors25 April 2018(Vcsns), Unit 1 - Licensee Event Reports (2016-001-02, 2016-002-01, 2016-003-02) - Revision to Correct Typographical ErrorsSafe Shutdown
Time of Discovery
Fire Barrier
Past operability
05000395/LER-2017-00522 December 2017AUTOMATIC REACTOR TRIP DUE TO MAIN TURBINE TRIP
LER 17-005-00 for V.C Summer, Unit 1, Regarding Automatic Reactor Trip Due to Main Turbine Trip
Large early release frequency
05000395/LER-2017-00615 December 2017TECHNICAL SPECIFICATION ACTION NOT MET FOR INOPERABLE OXYGEN MONITOR
LER 17-006-00 for Virgil C. Summer, Unit 1, Regarding Technical Specification Action not Met for Inoperable Oxygen Monitor
Grab sample
05000395/LER-2017-00326 October 2017FAILED LIGHTNING ARRESTER ON MAIN TRANSFORMER CAUSES REACTOR TRIP
LER 17-003-00 For Virgil C. Summer Nuclear Station, Unit 1, Regarding Failed Lightning Arrester On Main Transformer Causes Reactor Trip
Large early release frequency
Fuel cladding
05000395/LER-2017-00225 August 2017Low Feedwater Flow to the 'B' Steam Generator Causes Automatic Reactor Trip
LER 17-002-00 for V.C. Summer, Unit 1, Regarding Low Feedwater Flow to the 'B' Steam Generator Causes Automatic Reactor Trip
Stroke time
Power change
05000395/LER-2017-00124 July 2017C MAIN FFFDWATER PUMP FAILURE '1'0 TRIP RESUI,TS IN LOSS OF EMERGENCY FE,EDWATER AUTO START ACTUATION SIGNAL
LER 17-001-00 for V.C. Summer, Unit 1, Regarding C Main Feedwater Failure to Trip Results in Loss of Emergency Feedwater Auto Start Actuation Signal
Past operability
Power change
RC-15-0190, Special Report (Spr) 2014-005-01, Loss or Theft of License Material16 December 2015Special Report (Spr) 2014-005-01, Loss or Theft of License Material
RC-15-0179, Special Report (Spr) 2015-002 Regarding One or More Required Meteorological Monitoring Channels Being Inoperable for More than Seven (7) Days3 November 2015Special Report (Spr) 2015-002 Regarding One or More Required Meteorological Monitoring Channels Being Inoperable for More than Seven (7) Days
RC-15-0139, Submittal of Special Report (Spr) 2015-001 Regarding the Loose-Part Monitoring System (Lpms) Channel Number 8 Being Inoperable in Excess of 30 Days20 August 2015Submittal of Special Report (Spr) 2015-001 Regarding the Loose-Part Monitoring System (Lpms) Channel Number 8 Being Inoperable in Excess of 30 Days
RC-14-0084, Special Report 2014-003 for V.C. Summer, One or More Required Meteorological Monitoring Channels Being Inoperable for More than Seven (7) Days14 May 2014Special Report 2014-003 for V.C. Summer, One or More Required Meteorological Monitoring Channels Being Inoperable for More than Seven (7) Days
RC-14-0085, Special Report 2014-002 for V.C. Summer, Degraded Conditions Lasting Longer than Seven Days14 May 2014Special Report 2014-002 for V.C. Summer, Degraded Conditions Lasting Longer than Seven DaysTime of Discovery
Fire Watch
ML12334A44327 November 2012SR 12-002-00 for Virgil C. Summer, Unit 1 Regarding Meteorological Monitoring Channels Being Inoperable for More than Seven Days
ML12188A5423 July 2012Special Report 2012-001
ML12079A28616 March 2012LER 12-01-00 for Virgil C. Summer, Unit 1 Regarding Core Exit Thermocouples Inoperable Due to an Inadequate Maintenance ProcedureSafe Shutdown
Post Accident Monitoring
Past operability
Probabilistic Risk Assessment
Operating Basis Earthquake
Design basis earthquake
Large early release frequency
Earthquake
ML11186A97430 June 2011Regarding Depressurization of the 'C' Steam Line Creating a Differential Pressure Greater than 97 PSIG Between the Steam Lines, Initiating a Safety Injection
ML11117A30425 April 2011V. C. Summer, Unit 1, Submittal of Special Report (Spr) 2011-001 Re Control Building Fire/Pressure Door (DRCB/102) Being Inoperable for Greater than Seven Days Prior to Completing Repair of the DoorFire Protection Program
Fire Watch
ML06142014517 May 2006LER 99-014-03 for Virgil C. Summer Nuclear Station, Re Kaowool Fire Barriers Outside 10 CFR 50 Appendix R Design BasisSafe Shutdown
Fire Barrier
RC-06-0051, Special Report (Spr) 2006-002 - Inoperability of the Main Steam Line Radiation Monitors (RMG-1 9A(B)(C)) for Greater than 72 Hours13 March 2006Special Report (Spr) 2006-002 - Inoperability of the Main Steam Line Radiation Monitors (RMG-1 9A(B)(C)) for Greater than 72 Hours
ML05278033628 September 2005LER 05-S01-01 for Virgil C. Summer Nuclear Station Regarding Entry of Unauthorized Employee Into the Protected Area
RC-05-0095, LER 05-S01-00 for Virgil C. Summer Nuclear Station Entry of Unauthorized Employee Into the Protected Area22 June 2005LER 05-S01-00 for Virgil C. Summer Nuclear Station Entry of Unauthorized Employee Into the Protected Area
ML03350012911 December 2003LER 03-S03-00 for Virgil C. Summer Regarding Access to Protected Area by an Individual Without Proper Authorization
ML03266050716 September 2003LER 03-S02-00 for Virgil C. Summer Regarding Access to Protected Area by an Individual with Expired Training
ML0318404691 July 2003LER 99-014-02, Virgil C. Summer Re Kaowool Fire Barriers Outside 10CFR50 Appendix R Design BasisSafe Shutdown
Fire Barrier
ML03086051220 March 2003LER 03-S01-00 from Summer Regarding Access to Protected Area by an Individual with an Expired Badge