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Issue date | Title | Topic | |
---|---|---|---|
05000263/LER-2014-002 | 13 July 2016 | Torus to Drywell Vacuum Breaker Did Not Indicate Closed During Testing LER 14-002-01 for Monticello Regarding Torus to Drywell Vacuum Breaker Did Not Indicate Closed During Testing | Unanalyzed Condition Pressure Boundary Leakage |
05000263/LER-2014-003 | 13 July 2016 | Torus to Drywell Vacuum Breaker Dual Indication During Testing LER 14-003-01 for Monticello Nuclear Generating Plant RE: Torus to Drywell Vacuum Breaker Dual Indication During Testing | Unanalyzed Condition Pressure Boundary Leakage |
05000263/LER-2015-004 | 22 August 2017 | Past Inoperability of Turbine Stop Valve Scram Function Exceeded Technical Specification Requirements LER 15-004-01 for Monticello Regarding Past Inoperability of Turbine Stop Valve Scram Function Exceeded Technical Specification Requirements | Time of Discovery High Radiation Area Past operability |
05000263/LER-2015-006 | 21 January 2016 | - Reactor Scram due to Group 1 Isolation from Foreign Material in the Main Steam Flow Instrument Line LER 15-006-00 for Monticello Regarding Reactor Scram due to Group 1 Isolation from Foreign Material in the Main Steam Flow Instrument Line | Foreign Material Exclusion |
05000263/LER-2015-007 | 21 January 2016 | Loss of Residual Heat Removal Capability LER 15-007-00 for Monticello Regarding Loss of Residual Heat Removal Capability | |
05000263/LER-2016-001 | 25 May 2017 | High Pressure Coolant Injection System Cracked Pipe Nipple Caused Oil Leak LER 16-001-02 for Monticello Regarding High Pressure Coolant Injection System Cracked Pipe Nipple Caused Oil Leak | Time of Discovery Mission time Past operability Probabilistic Risk Assessment |
05000263/LER-2016-002 | 30 September 2016 | Inadequate Appendix R Fire Barrier Impacts Safe Shutdown Capability LER 16-002-00 for Monticello Regarding Inadequate Appendix R Fire Barrier Impacts Safe Shutdown Capability | Safe Shutdown Unanalyzed Condition Fire Barrier Exemption Request Fire Protection Program Hourly Fire Watch |
05000263/LER-2016-003 | 25 May 2017 | HPCI Declared Inoperable Due to Excessive Water Level in Turbine LER 16-003-01 for Monticello Regarding HPCI Declared Inoperable Due to Excessive Water Level in Turbine | Temporary Modification |
05000263/LER-2017-001 | 13 June 2017 | Reactor Scram and Group II Isolation Due to 11 Reactor Feed Pump (RFP) Removal from Service with 12 RFP Isolated LER 17-001-00 for Monticello Regarding Reactor Scram and Group II Isolation Due to 11 Reactor Feed Pump (RFP) Removal from Service with 12 RFP Isolated | |
05000263/LER-2017-002 | 13 June 2017 | Main Steam Isolation Valve Closure Time Outside of Technical Specification Requirements LER 17-002-00 for Monticello Nuclear Generating Plant Regarding Main Steam Isolation Valve Closure Time Outside of Technical Specification Requirements | |
05000263/LER-2017-003 | 14 June 2017 | Main Steam Isolation Valve Leakage Exceeds Technical Specification Limits LER 17-003-00 for Monticello Regarding Main Steam Isolation Valve Leakage Exceeds Technical Specification Limits | Anchor Darling |
05000263/LER-2017-004 | 16 August 2017 | High Pressure Coolant Injection Steam Stop Valve Failed to Open During Test LER 17-004-00 for Monticello Regarding High Pressure Coolant Injection Steam Stop Valve Failed to Open During Test | |
05000263/LER-2017-005 | 20 September 2017 | Diesel Generator Emergency Service Water System Automatic Transfer to Alternate Shutdown Panel LER 17-005-00 for Monticello Nuclear Generating Plant Regarding Diesel Generator Emergency Service Water System Automatic Transfer to Alternate Shutdown Panel | Ultimate heat sink |
05000263/LER-2017-006 | 12 January 2018 | Loss of Reactor Protection System Scram Function During Main Steam Isolation Valve and Turbine Stop Valve Channel Functional Tests due to Use of a Test Fixture LER 17-006-00 for Monticello Regarding Loss of Reactor Protection System Scram Function During Main Steam Isolation Valve and Turbine Stop Valve Channel Functional Tests Due to Use of a Test Fixture | Safe Shutdown Half scram Fuel cladding |
CY-92-223, G20110523/LTR-11-0411/EDATS: SECY-2011-0411 - Ltr. from Rep. E.J. Markey to Chairman Jaczko NRC Safety Requirements for Reactors Granted Construction Permits Prior to 1971 | 14 July 2011 | G20110523/LTR-11-0411/EDATS: SECY-2011-0411 - Ltr. from Rep. E.J. Markey to Chairman Jaczko NRC Safety Requirements for Reactors Granted Construction Permits Prior to 1971 | Fukushima Dai-Ichi Significance Determination Process Earthquake Backfit |
IR 05000263/2002001 | 4 March 2002 | Annual Assessment Letter - Monticello Nuclear Generating Plant (Report 50-263/02-01) | |
IR 05000263/2002004 | 24 July 2002 | IR 05000263-02-004 (Drp), on 04/01-06/30/02, Nuclear Management Company, Monticello Nuclear Generating Plant; Flood Protection Measures; Event Followup | Time of Discovery Fitness for Duty High winds High Radiation Area Fire Barrier Internal Flooding Hydrostatic Enforcement Discretion Temporary Modification Locked High Radiation Area Significance Determination Process Scram Discharge Volume Operability Determination Power-Operated Valves Fire Watch |
IR 05000263/2002005 | 18 March 2003 | IR 05000263-02-005, on 08/19 - 23/2002, Nuclear Management Company, LLC, Monticello Nuclear Generating Plant. Routine Baseline Inspection Report. No Violations Noted | Significance Determination Process |
IR 05000263/2002006 | 27 January 2003 | IR 05000263-02-006, on 10/01/2002 - 12/28/2002, Nuclear Management Company, LLC; Monticello. Routine Baseline Inspection Report | Safe Shutdown High Radiation Area Ultimate heat sink Internal Flooding Temporary Modification Locked High Radiation Area Significance Determination Process Foreign Material Exclusion Operability Determination Exemption Request Maintenance Rule Program Failure to Scram |
IR 05000263/2002011 | 29 July 2002 | IR 05000263-02-011, on 06/03-21/2002, Monticello Nuclear Generating Plant, Fire Protection Triennial | Fire Protection Program |
IR 05000263/2002301 | 21 November 2002 | Er 05000263-02-301(DRS); Nuclear Management Company, LLC; on 10/14-18/02; Monticello Nuclear Generating Plant. Initial License Examination Report | |
IR 05000263/2003001 | 4 March 2003 | Annual Assessment Letter - Monticello Nuclear Power Plant (Report 05000263-03-001) | |
IR 05000263/2003002 | 31 March 2003 | IR 05000263-03-002(DRS), on 02/03/2003 Thru 02/21/2003, for Nuclear Management Company, LLC, Monticello, Mn; Monticello Nuclear Generating Plant Safety System Design and Performance Capability Inspection | |
IR 05000263/2003003 | 21 April 2003 | IR 05000263-03-003, on 12/29/02 - 03/31/03, Monticello Nuclear Generating Plant, Maintenance Effectiveness, Maintenance Risk Assessments and Emergenct Work Control, Personnel Performance During Non-Routine Plant Evolutions and Events | Stroke time Internal Flooding Probabilistic Risk Assessment Temporary Modification Condition Adverse to Quality Significance Determination Process Job Performance Measure Operability Determination Maintenance Rule Program |
IR 05000263/2003004 | 25 July 2003 | IR 05000263-03-004, on 04/01/03 - 06/30/03, Nuclear Management Co., Llc. Routine Integrated Report | High winds High Radiation Area Nondestructive Examination Temporary Modification Significance Determination Process Liquid penetrant Pressure Boundary Leakage Fire Protection Program Scaffolding Power change |
IR 05000263/2003005 | 23 October 2003 | IR 05000263-03-005, on 07/01/2003 Through 09/30/2003, for Monticello Nuclear Generating Plant, Monticello, Mn; Routine Integrated Report | Safe Shutdown Shutdown Margin High Radiation Area Offsite Dose Calculation Manual Fire Barrier Temporary Modification Significance Determination Process Annual Radiological Environmental Operating Report Fire Protection Program Fire Watch Failure to Scram |
IR 05000263/2003006 | 22 January 2004 | IR 05000263-03-006; 10/01/2003-12/31/2003; Monticello Nuclear Generating Plant; Routine Integrated Inspection Report | Mission time Temporary Modification Significance Determination Process Maintenance Rule Program Fire Protection Program |
IR 05000263/2003007 | 16 December 2003 | IR 05000263-03-007(DRS); on 11/17/03 - 11/21/03; for Monticello Nuclear Generating Plant; Emergency Preparedness Specialist Report | |
IR 05000263/2003008 | 29 December 2003 | IR 05000263-03-008(DRS); on 10/06/03 - 10/10/03; for Monticello Nuclear Generating Plant; Ti 2515/148, Revision 2, Verification of Compliance with Interim Compensatory Measures Order | |
IR 05000263/2003009 | 14 January 2004 | IR 05000263-03-009; 11/3/2003 -12/05/2003; Nuclear Management Company, LLC; Monticello Nuclear Generating Plant; Identification and Resolution of Problems | High Radiation Area Locked High Radiation Area Condition Adverse to Quality Foreign Material Exclusion |
IR 05000263/2004001 | 27 August 2003 | IR 05000263-04-001- Monticello, Mid-Cycle Assessment Letter | |
IR 05000263/2004002 | 31 March 2004 | IR 05000263-04-002, on 01/01/2004 - 03/31/2004; Monticello Nuclear Generating Plant; Fire Protection and Operability Evaluations | Safe Shutdown Fire Barrier Probabilistic Risk Assessment Temporary Modification Condition Adverse to Quality Significance Determination Process Fire Protection Program Power change Failure to Scram |
IR 05000263/2004003 | 21 July 2004 | IR 05000263-04-003 on 04/01/2004-06/30/2004 for Monticello Nuclear Generating Plant. Adverse Weather, Operability Evaluation, Post Maintenance Testing, Access Control to Radiologically Significant Areas | High Radiation Area Hydrostatic Probabilistic Risk Assessment Temporary Modification Condition Adverse to Quality Significance Determination Process Process Control Program Earthquake Fire Protection Program Scaffolding Unidentified leakage Unidentified leak |
IR 05000263/2004004 | 25 October 2004 | IR 05000263-04-004, on 07/01/2004 - 09/30/2004; Monticello Nuclear Generating Plant; Surveillance Testing | High Radiation Area Hydrostatic Temporary Modification Significance Determination Process Fire Protection Program GOTHIC Overexposure |
IR 05000263/2004005 | 24 January 2005 | IR 05000263-04-005, on 10/01/2004 - 12/31/2004, Monticello Nuclear Generating Plant, Routine Integrated Inspection Report | High Radiation Area Stroke time Internal Flooding Probabilistic Risk Assessment Temporary Modification Significance Determination Process Fire Protection Program Substantial potential for an overexposure Overexposure |
IR 05000263/2004006 | 11 August 2004 | IR 05000263-04-006, on 04/06/2004 - 07/01/2004, Nuclear Management Company Corporate Office; Monticello Nuclear Generating Plant; Security Review of Access Authorization, Access Control, FFD, Work Hours, and Performance Indicators | Significance Determination Process Affidavit |
IR 05000263/2004007 | 3 December 2004 | IR 05000263-04-007 (Drs), on 10/18/2004 - 11/05/2004; Monticello Nuclear Generating Plant; Safety System Design and Performance Capability | Condition Adverse to Quality Aging Management Significance Determination Process Grace period Power Uprate Failure to Scram |
IR 05000263/2005002 | 29 April 2005 | IR 05000263-05-002 on 01/01/2005 - 03/31/2005 for Monticello Nuclear Generating Plant. Maintenance Effectiveness | High Radiation Area Non-Destructive Examination Stroke time Probabilistic Risk Assessment Nondestructive Examination Temporary Modification VT-2 Significance Determination Process Job Performance Measure Foreign Material Exclusion Liquid penetrant Pressure Boundary Leakage Fire Protection Program Scaffolding |
IR 05000263/2005004 | 17 October 2005 | IR 05000263-05-004 on 07/01/2005 - 09/30/2005 for Monticello Nuclear Generating Plant; Problem Identification and Resolution | Internal Flooding Temporary Modification Significance Determination Process Maintenance Rule Program Fire Protection Program |
IR 05000263/2005005 | 24 January 2006 | IR 05000263-05-005 on 10/01/2005 - 12/31/2005 for Monticello Nuclear Generating Plant. Routine Integrated Report | Temporary Modification Significance Determination Process Biofouling Fire Protection Program Substantial potential for an overexposure Overexposure |
IR 05000263/2005006 | 17 March 2005 | IR 05000263-05-006, on 01/31/2005 - 02/17/2005, Monticello Nuclear Generating Plant; Identification and Resolution of Problems | High Radiation Area Significance Determination Process Operability Determination |
IR 05000263/2005007 | 23 February 2005 | IR 05000263-05-007 (DRS) on 01/10/2005 - 01/12/2005 for Monticello Nuclear Generating Plant; Safety System Design and Performance Capability | Significance Determination Process Siren |
IR 05000263/2005011 | 13 October 2005 | IR 05000263-05-011(DRS); on 09/12/2005 - 09/16/2005; Monticello Nuclear Generating Plant; Evaluation of Changes, Tests, or Experiments (10 CFR 50.59) | Fire Barrier Internal Flooding Significance Determination Process Foreign Material Exclusion |
IR 05000263/2005012 | 11 October 2005 | IR 05000263-05-012(DRS), on 08/29/2005 - 09/02/2005; Monticello Nuclear Generating Plant, Emergency Preparedness Specialist Report | Significance Determination Process Siren |
IR 05000263/2005013 | 19 December 2005 | IR 05000263-05-013, on 10/17/2005 - 11/04/2005, Monticello Nuclear Generating Plant Fire Protection Triennial Baseline Inspection | Hot Short Safe Shutdown Fire Barrier Emergency Lighting Significance Determination Process Fire Protection Program |
IR 05000263/2005301 | 16 June 2005 | Er 05000263-05-301(DRS); 05/03/2005 - 05/12/2005; Monticello Nuclear Generating Plant; Initial License Examination Report | |
IR 05000263/2006001 | 2 March 2006 | (EOC) Annual Assessment Letter (Report 05000263/2006-001) | |
IR 05000263/2006002 | 26 April 2006 | IR 05000263-06-002, on 01/01/2006 - 03/31/2006, Monticello Nuclear Generating Plant, Post-Maintenance Testing and Surveillance Testing | Internal Flooding Temporary Modification Aging Management Significance Determination Process Job Performance Measure Scram Discharge Volume Fire Protection Program Scaffolding Power change |
IR 05000263/2006003 | 17 July 2006 | Inspection Report 05000263-06-003; 05000263-06-010; 04/01/2006 - 06/30/2006; Monticello Nuclear Generating Plant. Fire Protection and Surveillance Testing | High winds Temporary Modification Significance Determination Process Fire Protection Program Downpower |
IR 05000263/2006004 | 13 October 2006 | IR 05000263-06-004, 05000263-06-013; Nuclear Management Company LLC; 07/01/2006 - 09/30/2006; Monticello Nuclear Generating Plant. Routine Integrated Resident Inspection Report | Ultimate heat sink Stroke time Internal Flooding Temporary Modification Significance Determination Process Scram Discharge Volume Fire Protection Program |