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 Issue dateTitleTopic
IR 05000454/20230042 February 2024Integrated Inspection Report 05000454/2023004 and 05000455/2023004
ML24022A27223 January 2024Request for Information for an NRC Post-Approval Site Inspection for License Renewal Inspection Report 05000454/2024011License Renewal
ML24018A03617 January 2024Paragon Energy Solutions, Defect with Detroit Diesel/Mtu Fuel Injectors P/N R5229660 Cat Id 0001390618
ML23320A17613 December 2023Exemption from Select Requirements of 10 CFR Part 73 (EPID L-2023-LLE-0027 (Security Notifications, Reports, and Recordkeeping and Suspicious Activity Reporting))Time of Discovery
Fitness for Duty
Contraband
Condition Adverse to Quality
Safeguards Contingency Plan
Exemption Request
ML23277A00311 December 2023Issuance of Amendments Regarding Adoption of TSTF-370Probabilistic Risk Assessment
ML23318A5101 December 2023Relief from the Requirements of the ASME CodeProbabilistic Risk Assessment
IR 05000454/202330127 November 2023NRC Initial License Examination Report 05000454/2023301 and 05000455/2023301Job Performance Measure
BYRON 2023-0065, Unit 2 - Notification of Deviation from Electric Power Research Institute (EPRI) Topical Report MRP-227, Revision 1-A, Materials Reliability Program: Pressurized Water Reactor Internals Inspection and Evaluation Guideline17 November 2023Unit 2 - Notification of Deviation from Electric Power Research Institute (EPRI) Topical Report MRP-227, Revision 1-A, Materials Reliability Program: Pressurized Water Reactor Internals Inspection and Evaluation Guideline
BYRON 2023-0063, Day Inservice Inspection Report for Interval 4, Period 3, (B2R24)16 November 2023Day Inservice Inspection Report for Interval 4, Period 3, (B2R24)
IR 05000454/202300313 November 2023Integrated Inspection Report 05000454/2023003 and 05000455/2023003 and Exercise of Enforcement DiscretionCommercial Grade Dedication
Enforcement Discretion
Temporary Modification
VT-2
Functionality Assessment
FLEX
B.5.b
Significance Determination Process
Foreign Material Exclusion
Process Control Program
Operability Determination
Fire Protection Program
Hourly Fire Watch
Coast down
RS-23-117, Supplemental Information Letter for Part 73 Exemption Request - Responses to Request for Confirmatory Information10 November 2023Supplemental Information Letter for Part 73 Exemption Request - Responses to Request for Confirmatory InformationTime of Discovery
Fitness for Duty
Contraband
Exemption Request
ML23317A11910 November 2023Constellation Energy Generation, LLC - 2023 Annual Report - Guarantees of Payment of Deferred PremiumsAffidavit
ML23313A0859 November 2023Submittal of 2023-301 Byron Initial License Examination Post-Examination Comments
RS-23-114, Proposed Alternative for Examination of Pressurizer Circumferential and Longitudinal Shell-to-Head Welds and Nozzle-to-Vessel Welds1 November 2023Proposed Alternative for Examination of Pressurizer Circumferential and Longitudinal Shell-to-Head Welds and Nozzle-to-Vessel WeldsHydrostatic
VT-2
Finite Element Analysis
License Renewal
ML23297A23526 October 2023Information Request for the Cyber Security Baseline Inspection, Notification to Perform InspectionCyber Security
RS-23-100, Request for Exemption from Enhanced Weapons, Firearms Background Checks, and Security Event Notifications Implementation13 October 2023Request for Exemption from Enhanced Weapons, Firearms Background Checks, and Security Event Notifications ImplementationTime of Discovery
Contraband
Condition Adverse to Quality
Safeguards Contingency Plan
Preemption Authority
Exemption Request
RS-23-097, Constellation Energy Generation, LLC, Advisement of Leadership Changes and Submittal of Updated Standard Practice Procedures Plans12 October 2023Constellation Energy Generation, LLC, Advisement of Leadership Changes and Submittal of Updated Standard Practice Procedures Plans
RS-23-108, Proposed Alternative for Examinations of Examination Categories B-B, B-D, and C-A Steam Generator Pressure Retaining Welds and Full Penetration Welded Nozzles11 October 2023Proposed Alternative for Examinations of Examination Categories B-B, B-D, and C-A Steam Generator Pressure Retaining Welds and Full Penetration Welded NozzlesFinite Element Analysis
Aging Management
License Renewal
Subsequent License Renewal
Power Uprate
RS-23-105, Proposed Alternative for Examinations of Examination Category C-B Steam Generator Nozzle-to-Shell Welds and Nozzle Inside Radius Sections10 October 2023Proposed Alternative for Examinations of Examination Category C-B Steam Generator Nozzle-to-Shell Welds and Nozzle Inside Radius SectionsFinite Element Analysis
Aging Management
License Renewal
Subsequent License Renewal
ML23278A0275 October 2023Operator Licensing Examination Approval - Byron Station, October 2023
RS-23-093, License Amendment to Braidwood Station, Units 1 and 2, and Byron Station, Units 1 and 2, Technical Specifications 3.7.15, Spent Fuel Pool Boron Concentration, 3.7.16, Spent Fuel.29 September 2023License Amendment to Braidwood Station, Units 1 and 2, and Byron Station, Units 1 and 2, Technical Specifications 3.7.15, Spent Fuel Pool Boron Concentration, 3.7.16, Spent Fuel.Boric Acid
Time to boil
Aging Management
Surveillance Frequency Control Program
Fuel cladding
Exclusive Use
ML23251A16229 September 2023Steam Generator Tube Inspection Reports to Reflect TSTF-577 Reporting Requirements
RS-23-094, Relief Request I4R-24, Alternative for Post-Peening Reexamination Frequency for Reactor Pressure Vessel Head Penetration Nozzle Number 7529 September 2023Relief Request I4R-24, Alternative for Post-Peening Reexamination Frequency for Reactor Pressure Vessel Head Penetration Nozzle Number 75Boric Acid
VT-2
Finite Element Analysis
Liquid penetrant
Exclusive Use
RS-23-091, Relief Request I4R-25, Alternative Requirements for Reactor Pressure Vessel Inservice Inspection Intervals26 September 2023Relief Request I4R-25, Alternative Requirements for Reactor Pressure Vessel Inservice Inspection IntervalsProbabilistic Risk Assessment
License Renewal
ML23226A00619 September 2023Review of License Renewal Commitment Number 10 SubmittalLicense Renewal
ML23180A16911 September 2023Calvert Cliff Units 1 & 2, and R.E. Ginna Plant - Withdrawal of Proposed Alternatives to American Society of Mechanical Engineers (ASME) Requirements (Epids L-2022-LRR-0074, 0076, 0079, 0091, 0092, 0093 and 0094)
ML23242A3281 September 2023Amendment No. 233 Correction
IR 05000454/202350131 August 2023Emergency Preparedness Biennial Exercise Inspection Report 05000454/2023501 and 05000455/2023501
IR 05000454/202300530 August 2023Updated Inspection Plan for Byron Station (Report 05000454/2023005 and 05000455/2023005)
IR 05000454/20230023 August 2023Integrated Inspection Report 05000454/2023002 and 05000455/2023002High winds
Commercial Grade Dedication
Past operability
Temporary Modification
Functionality Assessment
FLEX
B.5.b
Foreign Material Exclusion
Operability Determination
Spent Fuel Pool Instrumentation
Fire Protection Program
Downpower
ML23209A72431 July 2023Request for Information on the NRC Quadrennial Comprehensive Engineering Team Inspection: Inspection Report 05000454/2024010 and 05000455/2024010Stroke time
Probabilistic Risk Assessment
Temporary Modification
Aging Management
Large early release frequency
COVID-19
ML23192A03625 July 2023Review of the Spring 2022 Steam Generator Tube Inspection Report
ML23122A30220 July 2023Issuance of Amendments Technical Specifications 2.1.1 and 4.2.1 to Allow a Previously Irradiated Accident Tolerant Fuel Lead Test Assembly to Be Further Irradiated in Unit No. 2Anticipated operational occurrence
IR 05000454/202340218 July 2023Baseline Security Inspection Document; 05000454/2023402; 05000455/2023402
ML23198A03717 July 2023Information Request to Support Upcoming Problem Identification and Resolution (PIR) Inspection at Byron Nuclear PlantTemporary Modification
Aging Management
Maintenance Rule Program
ML23178A24228 June 2023Reassignment of the U.S. Nuclear Regulatory Commission Branch Chief in the Division of Operating Reactor Licensing for Plant Licensing Branch III
RS-23-083, Withdrawal - Proposed Alternatives Related to the Steam Generators27 June 2023Withdrawal - Proposed Alternatives Related to the Steam Generators
ML23172A11722 June 2023Notification of NRC Fire Protection Team Inspection Request for InformationSafe Shutdown
Fire Barrier
Probabilistic Risk Assessment
Fire impairment
Job Performance Measure
Fire Protection Program
RS-23-077, Response to NRC Regulatory Issue Summary 2023-01, Preparation and Scheduling of Operator Licensing Examinations16 June 2023Response to NRC Regulatory Issue Summary 2023-01, Preparation and Scheduling of Operator Licensing Examinations
ML23159A1308 June 2023Day Inservice Inspection Report for Interval 4, Period 3, (B1R25)
ML23159A1548 June 20232022 Regulatory Commitment Change Summary Report
RS-23-075, Application for Technical Specification Improvement to Extend the Completion Time for Condition B of Technical Specification 3.5.1, Accumulators, Using the Consolidated Line Item Improvement Process7 June 2023Application for Technical Specification Improvement to Extend the Completion Time for Condition B of Technical Specification 3.5.1, Accumulators, Using the Consolidated Line Item Improvement ProcessProbabilistic Risk Assessment
Incorporated by reference
Surveillance Frequency Control Program
ML23157A2836 June 2023Notification of NRC Baseline Inspection and Request for InformationBoric Acid
Non-Destructive Examination
Aging Management
Foreign Material Exclusion
Dissimilar Metal Weld
Scaffolding
BYRON 2023-0029, Response to Request for Additional Information Regarding Steam Generator Tube Inspection Reports to Reflect TSTF-577 Reporting Requirements1 June 2023Response to Request for Additional Information Regarding Steam Generator Tube Inspection Reports to Reflect TSTF-577 Reporting RequirementsNondestructive Examination
ML23138A13418 May 2023Information Meeting with a Question and Answer Session to Discuss NRC 2022 End-Of-Cycle Plant Performance Assessment of Braidwood Station and Byron Station
ML23003A78811 May 2023Report for December 12-16, 2022, Regulatory Audit Regarding Reinsertion of a High Burnup Accident Tolerant Fuel Lead Test AssemblyAnticipated operational occurrence
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