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| Issue date | Title | Topic | |
|---|---|---|---|
| 05000456/LER-2016-001 | 28 April 2016 | Auxiliary Feedwater Diesel Intake Design Deficiency Related to Turbine Building High Energy Line Break Resulted in an Unanalyzed Condition Due to Insufficient Validation of Vendor Analysis Inputs LER 16-001-00 for Braidwood, Unit 1, Regarding Auxiliary Feedwater Diesel Intake Design Deficiency Related to Turbine Building High Energy Line Break Resulted in an Unanalyzed Condition Due to Insufficient Validation of Vendor Analysis Inputs | Unanalyzed Condition Fire Watch |
| 05000456/LER-2016-002 | 19 July 2016 | Inadequate Protection from Tornado Missiles Identified Due to Non-Conforming Design Conditions LER 16-002-00 for Braidwood, Unit 1, Regarding Inadequate Protection from Tornado Missiles Identified Due to Non-Conforming Design Conditions | Safe Shutdown Unanalyzed Condition Time of Discovery High winds Enforcement Discretion Tornado Generated Missile Tornado Missile Protection |
| 05000456/LER-2021-001, Forward LER 2021-001-00 for Braidwood Station, Unit 1, Train a and B Source Range Neutron Flux Trip Functions Bypassed During Plant Startup | 21 June 2021 | Forward LER 2021-001-00 for Braidwood Station, Unit 1, Train a and B Source Range Neutron Flux Trip Functions Bypassed During Plant Startup | |
| 05000457/LER-2023-001, Submittal of LER 2023-001-00 for Braidwood Station, Unit 2, Train B Auxiliary Feedwater Pump Was Inoperable Due to Degraded Oil in the Crank Case | 17 November 2023 | Submittal of LER 2023-001-00 for Braidwood Station, Unit 2, Train B Auxiliary Feedwater Pump Was Inoperable Due to Degraded Oil in the Crank Case | |
| CP-202000285, Pressure and Temperature Limits Report (Ptlr), ERX-07-003, Revision 5 | 22 April 2020 | Pressure and Temperature Limits Report (Ptlr), ERX-07-003, Revision 5 | Hydrostatic Pressure and Temperature Limits Report |
| IR 05000045/2007301 | 20 December 2007 | Er 05000456-07-301; 0500045-07-301; 12/03/07 - 12/10/07; Braidwood Station, Units 1 and 2; Initial License Examination Report | Post Accident Monitoring Significance Determination Process Job Performance Measure |
| IR 05000219/2012012 | 1 May 2014 | Nuclear Regulatory Commission Office of Investigations Investigation Summary of OI Report No. 3-2010-034 for Exelon Generation, LLC | |
| IR 05000219/2013201 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000237/2012012 | 1 May 2014 | Nuclear Regulatory Commission Office of Investigations Investigation Summary of OI Report No. 3-2010-034 for Exelon Generation, LLC | |
| IR 05000237/2013202 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000254/2012012 | 1 May 2014 | Nuclear Regulatory Commission Office of Investigations Investigation Summary of OI Report No. 3-2010-034 for Exelon Generation, LLC | |
| IR 05000254/2013201 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000272/2012012 | 1 May 2014 | Nuclear Regulatory Commission Office of Investigations Investigation Summary of OI Report No. 3-2010-034 for Exelon Generation, LLC | |
| IR 05000272/2013201 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000277/2012012 | 1 May 2014 | Nuclear Regulatory Commission Office of Investigations Investigation Summary of OI Report No. 3-2010-034 for Exelon Generation, LLC | |
| IR 05000277/2013201 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000289/2012012 | 1 May 2014 | Nuclear Regulatory Commission Office of Investigations Investigation Summary of OI Report No. 3-2010-034 for Exelon Generation, LLC | |
| IR 05000289/2013201 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000352/2012012 | 1 May 2014 | Nuclear Regulatory Commission Office of Investigations Investigation Summary of OI Report No. 3-2010-034 for Exelon Generation, LLC | |
| IR 05000352/2013201 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000373/2012012 | 1 May 2014 | Nuclear Regulatory Commission Office of Investigations Investigation Summary of OI Report No. 3-2010-034 for Exelon Generation, LLC | |
| IR 05000373/2013201 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000452/2007001 | 2 March 2007 | EOC Annual Assessment Letter (Report 05000452-07-001; 05000457-07-001) | |
| IR 05000454/2011015 | 16 June 2011 | IR 05000456-11-012; 05000457-11-012; 05000454-11-015; 05000455-11-015, on 3/31/2011 - 5/4/2011; Braidwood and Byron Stations, Units 1 & 2; Special Inspection | Unanalyzed Condition Past operability Significance Determination Process |
| IR 05000454/2012012 | 1 May 2014 | Nuclear Regulatory Commission Office of Investigations Investigation Summary of OI Report No. 3-2010-034 for Exelon Generation, LLC | |
| IR 05000454/2013202 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000456/2001500 | 4 August 2015 | IR 05000456/20015002; 05000457/2015002, on 04/01/2015 - 06/30/2015, Braidwood Station, Units 1 & 2; Inservice Inspection Activities; Maintenance Effectiveness | Boric Acid High winds High Radiation Area Non-Destructive Examination Offsite Dose Calculation Manual Water Inventory Control Weld Overlay Internal Flooding Enforcement Discretion Met Tower Nondestructive Examination Temporary Modification Nuclear Accident Reporting System VT-2 Functionality Assessment Locked High Radiation Area FLEX Significance Determination Process Process Control Program Operability Determination Liquid penetrant Pressure Boundary Leakage Through Wall Leak Through-Wall Leakage Fire Protection Program |
| IR 05000456/2002003 | 23 July 2002 | IR 05000456-02-003, IR 05000457-02-003, on 02/04/2002 -02/22/2002, Braidwood Station Units 1 & 2. NOV - Final Significance Determination for White Finding | Condition Adverse to Quality Significance Determination Process |
| IR 05000456/2002004 | 29 April 2002 | IR 05000456/2002-004(DRP), Braidwood, Unit 1 on 02/15/2002. Supplemental Inspection to Access Evaluation of Unavailability/Fault Exposure Time for 1B Auxiliary Feedwater Train Exceeding Nrc'S Performance Indicator Threshold During Last Quar | Probabilistic Risk Assessment Condition Adverse to Quality Significance Determination Process |
| IR 05000456/2002006 | 22 July 2002 | IR 05000456-02-006, 05000457-02-006, on 04/01-06/30/2002, Exelon Generation Co, LLC; Braidwood Station; Units 1 & 2. Areas Inspected: Fire Protection, Refueling & Other Outage Activities & Identification & Resolution of Problems | Safe Shutdown Boric Acid Shutdown Margin High Radiation Area Fire Barrier Probabilistic Risk Assessment VT-2 Locked High Radiation Area Test box Significance Determination Process Operability Determination Fire Protection Program Power Uprate |
| IR 05000456/2002007 | 22 October 2002 | IR 05000456-02-007 & IR 05000457-02-007, on 07/01/2002 Through 09/30/2002, Braidwood Station, Units 1 & 2. Fire Protection, Maintenance Effectiveness & Maintenance Risk Assessments & Emergent Work Control | Safe Shutdown Boric Acid Shutdown Margin Ultimate heat sink Grab sample Fire Barrier Probabilistic Risk Assessment Nondestructive Examination Temporary Modification Significance Determination Process Maintenance Rule Program Liquid penetrant Fire Protection Program Scaffolding Power change |
| IR 05000456/2002009 | 24 January 2003 | IR 05000456-02-009, 05000457-02-009; Exelon Generation Company, LLC; on 10/01-12/31/02, Braidwood Station; Units 1 and 2. Operability Evaluations | Safe Shutdown Shutdown Margin High Radiation Area Fire Barrier Nondestructive Examination Temporary Modification Locked High Radiation Area Significance Determination Process Job Performance Measure Maintenance Rule Program Continuous fire watch Fire Protection Program Fire Watch Scaffolding |
| IR 05000456/2002010 | 31 December 2002 | IR 05000456-02-010 DRP, on 11/04 - 12/04/2002, Braidwood Station Unit 1. Supplemental Inspection - Mitigation Systems Cornerstone | Probabilistic Risk Assessment Battery sizing Maintenance Rule Program |
| IR 05000456/2002301 | 25 July 2002 | Er 05000456-02-301, Er 05000457-02-301, on 07/8-18/2002, Exelon Generation Co., LLC, Braidwood Station, Units 1 & 2. Initial License Examination Report. Six RO & Five SRO Applicants Passed Written Exam & Operating Tests | Job Performance Measure |
| IR 05000456/2003001 | 4 March 2003 | Annual Assessment Letter - Braidwood Units 1 & 2 - (05000456-03-001; 05000457-03-001) | |
| IR 05000456/2003003 | 25 July 2003 | IR 05000456-03-003; 05000457-03-003, on 04/01/03 - 06/30/03; Braidwood Station, Units 1 and 2; Routine Baseline Inspection Report | Safe Shutdown Boric Acid High winds High Radiation Area Ultimate heat sink Fire Barrier Past operability Enforcement Discretion Nondestructive Examination Temporary Modification VT-2 Operability Determination Maintenance Rule Program Scaffolding Operability Assessment Siren |
| IR 05000456/2003004 | 18 April 2003 | IR 05000456-03-004, IR 05000457-03-004, on 03/10-13/2003, Exelon Generation Company, LLC; Braidwood Station, Units 1 & 2. Ti 2515/148, Verification of Compliance with Interim Compensatory Measures Order | |
| IR 05000456/2003005 | 21 August 2003 | IR 05000456-03-005 (Drs), IR 05000457-03-005 (DRS) on 06/23-07/11/03; Exelon Generation Company, LLC, Braidwood Station, Units 1 & 2; Fire Protection Triennial. Non-Cited Violations Noted | Hot Short Safe Shutdown Fire Barrier Emergency Lighting Significance Determination Process Operability Determination Fire Protection Program |
| IR 05000456/2003006 | 28 October 2003 | IR 05000456-03-006, 05000457-03-006, 07/01/03 - 09/30/03; Braidwood Station, Units 1 & 2; Performance Indicator Verification | High Radiation Area Offsite Dose Calculation Manual Fire Barrier Enforcement Discretion Probabilistic Risk Assessment Temporary Modification Locked High Radiation Area Significance Determination Process Job Performance Measure Annual Radiological Environmental Operating Report Maintenance Rule Program Power Uprate |
| IR 05000456/2003008 | 26 January 2004 | IR 05000456-03-008; IR 05000457-03-008, on 10/01/2003 - 12/31/2003; Braidwood Station, Units1&2; Operability Evaluations | Safe Shutdown Boric Acid High Radiation Area Fire Barrier Internal Flooding Probabilistic Risk Assessment Nondestructive Examination Temporary Modification Locked High Radiation Area Condition Adverse to Quality Significance Determination Process Maintenance Rule Program Pressure Boundary Leakage Substantial potential for an overexposure Power change Unidentified leakage Overexposure |
| IR 05000456/2003009 | 14 November 2003 | IR 05000456-03-009(DRP); IR 05000457-03-009(DRP); on 9/22-10/15/2003; Braidwood Station; Units 1 & 2. Accelerated Identification and Resolution of Problems Inspection | Foreign Material Exclusion Operability Determination |
| IR 05000456/2004001 | 4 March 2004 | Annual Assessment Letter, Braidwood (IR 05000456-04-001 and IR 05000457-04-001) | |
| IR 05000456/2004003 | 23 April 2004 | IR 05000456-04-003, IR 05000457-04-003, on 01/01/04 - 03/31/04, for Braidwood Station, Units 1 and 2; Routine Integrated Inspection Report | Time of Discovery Fire Barrier Temporary Modification Process Control Program Operability Determination Maintenance Rule Program |
| IR 05000456/2004004 | 20 July 2004 | IR 05000456-04-004, 05000457-04-004, on 04/01/04 - 06/30/04; Braidwood Station, Units 1 & 2; Adverse Weather Protection and Operability Evaluations | High winds High Radiation Area Fire Barrier Internal Flooding Hydrostatic Temporary Modification Significance Determination Process Large early release frequency Operability Determination Earthquake Maintenance Rule Program Scaffolding Operability Assessment |
| IR 05000456/2004005 | 25 June 2004 | IR 05000456-04-005, on 05/25/2004 Through 05/27/2004, for Braidwood Station, Unit 1; Supplemental Inspection - Mitigating Systems Cornerstone | Condition Adverse to Quality Operability Determination |
| IR 05000456/2004006 | 21 October 2004 | IR 05000456-04-006, 05000457-04-006, on 04/06/2004 - 04/09/2004; Exelon Nuclear Corporate, Mid-West Rog Headquarters and 10/04/2004 - 10/17/2004; Braidwood Nuclear Power Station; Security Review of Access Authorization, Access Control, Fitn | |
| IR 05000456/2004007 | 29 October 2004 | IR 05000456-04-007, 05000457-04-007; on 07/01/2004 - 09/30/2004; Braidwood Station, Units 1 and 2; Post-Maintenance and Surveillance Testing | |
| IR 05000456/2004008 | 26 January 2005 | IR 05000456-04-008; 05000457-04-008, on 10/01/2004 - 12/31/2004; Braidwood Station, Units 1 & 2; Operator Performance During Non-Routine Evolutions and Events | Safe Shutdown Boric Acid High Radiation Area Ultimate heat sink Non-Destructive Examination Fire Barrier Internal Flooding Probabilistic Risk Assessment Nondestructive Examination Temporary Modification VT-2 Locked High Radiation Area Significance Determination Process Operability Determination Maintenance Rule Program Fuel cladding Liquid penetrant Pressure Boundary Leakage Power change Overexposure |
| IR 05000456/2004009 | 6 December 2004 | IR 05000456-04-009 (Drs); 05000457-04-009 (Drs), on 11/15/2004 - 11/19/2004; Braidwood Station; Emergency Preparedness Specialist Report | |
| IR 05000456/2005002 | 27 April 2005 | IR 05000456-05-002, IR 05000457-05-002 on 01/01/2005 - 03/31/2005 for Braidwood Station, Units 1 & 2; Fire Protection | Ultimate heat sink Fire Barrier Probabilistic Risk Assessment Temporary Modification Condition Adverse to Quality Significance Determination Process Foreign Material Exclusion Rod Drop Event Maintenance Rule Program |