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 Issue dateTitleTopic
IR 05000456/20230042 February 2024Integrated Inspection Report 05000456/2023004 and 05000457/2023004
ML24025C72429 January 2024Notification of NRC Baseline Inspection and Request for Information; Inspection Report 05000456/2024002; 05000457/2024002Boric Acid
Non-Destructive Examination
Aging Management
Foreign Material Exclusion
Scaffolding
IR 05000457/202301125 January 20242B Auxiliary Feedwater Pump Diesel Fuel Oil Dilution Report 05000457/2023011 and Preliminary Greater than Green Finding and Apparent Violation
ML24018A03617 January 2024Paragon Energy Solutions, Defect with Detroit Diesel/Mtu Fuel Injectors P/N R5229660 Cat Id 0001390618
RS-24-004, Proposed Alternative to the Distribution Requirements of ASME Code Table IWC-2411-1 for the Steam Generators11 January 2024Proposed Alternative to the Distribution Requirements of ASME Code Table IWC-2411-1 for the Steam Generators
ML23348A21615 December 2023Exemption from Select Requirements of 10 CFR Part 73 (EPID L-2023-LLE-0030 (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
IR 05000456/202002315 December 2023Baseline Security Inspection Document; 05000456/2023/402; 05000457/2023/402Safeguards Contingency Plan
ML23277A00311 December 2023Issuance of Amendments Regarding Adoption of TSTF-370Probabilistic Risk Assessment
ML23339A0455 December 2023Request for Information for an NRC Post-Approval Site Inspection for License Renewal Inspection Report 05000546/2024010Aging Management
License Renewal
ML23313A1551 December 2023Review of the Fall 2022 Steam Generator Tube Inspection Report
ML23331A89222 November 2023Supplement - Braidwood Security Rule Exemption Request ISFSI Docket No. ReferenceExemption Request
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 Case17 November 2023Submittal 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
ML23321A04417 November 2023Notification 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
RS-23-118, 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
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
IR 05000456/202340118 October 2023Security Baseline Inspection Report 05000456/2023401 and 05000457/2023401Fitness for Duty
Safeguards Contingency Plan
IR 05000456/202301018 October 2023Functional Engineering Inspection Commercial Grade Dedication Report 05000456/2023010 and 05000457/2023010Commercial Grade Dedication
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
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
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)
IR 05000456/202300530 August 2023Updated Inspection Plan for Braidwood Station Report 05000456/2023005 and 05000457/2023005
ML23234A24625 August 2023Confirmation of Initial License Examination
IR 05000456/20230023 August 2023Integrated Inspection Report 05000456/2023002 and 05000457/2023002Boric Acid
High Radiation Area
Enforcement Discretion
Nondestructive Examination
Temporary Modification
VT-2
Functionality Assessment
FLEX
Significance Determination Process
Operability Determination
Liquid penetrant
Pressure Boundary Leakage
Fire Protection Program
Coast down
Siren
ML23188A12926 July 2023Issuance of Amendment Nos. 233 and 233 Adoption of TSTF-577, Revised Frequencies for Steam Generator Tube Inspections, Revision 1Post Accident Monitoring
Nondestructive Examination
Surveillance Frequency Control Program
ML23087A07613 July 2023Issuance of Amendment Nos. 232 and 232 Revision of Technical Specifications for the Ultimate Heat SinkSafe Shutdown
Ultimate heat sink
Safe Shutdown Earthquake
Surveillance Frequency Control Program
ML23191A84410 July 202305000456; 05000457 Notification of an NRC Biennial Licensed Operator Requalification Program Inspection and Request for InformationJob Performance Measure
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
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
ML23110A11512 June 2023Environmental Assessment and Finding of No Significant Impact Related to a Requested Increase in Ultimate Heat Sink Temperature (EPID L-2023-LLA-0042) (Letter)Ultimate heat sink
Enforcement Discretion
Incorporated by reference
License Renewal
Environmental Justice
RS-23-074, Supplement to Application for License Amendment to Braidwood Station, Units 1 and 2, Technical Specification 3.7.9, Ultimate Heat Sink9 June 2023Supplement to Application for License Amendment to Braidwood Station, Units 1 and 2, Technical Specification 3.7.9, Ultimate Heat SinkUltimate heat sink
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
RS-23-050, Supplement to Application to Revise Technical Specifications to Adopt TSTF-577, Revised Frequencies for Steam Generator Tube.22 May 2023Supplement to Application to Revise Technical Specifications to Adopt TSTF-577, Revised Frequencies for Steam Generator Tube.Internal Flooding
Probabilistic Risk Assessment
Nondestructive Examination
Cyber Security
Pressure and Temperature Limits Report
Fire Protection Program
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
ML23132A04712 May 2023Submittal of 2022 Annual Radiological Environmental Operating ReportOffsite Dose Calculation Manual
Annual Radiological Environmental Operating Report
ML23130A00710 May 2023Submittal of Core Operating Limits Report Cycle 24, Rev. 16
IR 05000456/20230018 May 2023Integrated Inspection Report 05000456/2023001 and 05000457/2023001Mission time
Enforcement Discretion
Temporary Modification
VT-2
Functionality Assessment
FLEX
Significance Determination Process
Operability Determination
Through Wall Leak
Fire Protection Program
Power change
Coast down
Unidentified leakage
ML23114A25228 April 2023Request to Use a Provision of a Later Edition of the ASME Boiler & Pressure Vessel Code, Section XIIncorporated by reference
ML23118A02028 April 2023Submittal of 2022 Annual Radioactive Effluent Release ReportAnnual Radioactive Effluent Release Report
ML23110A32021 April 2023Information Request to Support the NRC Annual Baseline Emergency Action Level and Emergency Plan Changes Inspection
RS-23-056, Response to Request for Additional Information to Braidwood Station, Unit 1, and Byron Station, Unit 1, for Steam Generator License Renewal Response to Commitment 1020 April 2023Response to Request for Additional Information to Braidwood Station, Unit 1, and Byron Station, Unit 1, for Steam Generator License Renewal Response to Commitment 10Non-Destructive Examination
Code Reconciliation
RS-23-055, Annual 10 CFR 50.46 Report of Emergency Core Cooling System Evaluation Model Changes and Errors10 April 2023Annual 10 CFR 50.46 Report of Emergency Core Cooling System Evaluation Model Changes and Errors
ML23095A1295 April 2023Steam Generator Tube Inspection Report for Refueling Outage 23
ML23094A1354 April 2023Request for Information for Nrc Commercial Grade Dedication Inspection Inspection Report 05000456/2023010 05000457/2023010Commercial Grade Dedication
Large early release frequency
RS-23-052, License Amendment to Braidwood Station, Units 1 and 2, Technical Specification 3.7.9, Ultimate Heat Sink24 March 2023License Amendment to Braidwood Station, Units 1 and 2, Technical Specification 3.7.9, Ultimate Heat SinkSafe Shutdown
Ultimate heat sink
Anticipated operational occurrence
Safe Shutdown Earthquake
Surveillance Frequency Control Program
RS-23-049, Constellation Energy Generation, LLC, Report on Status of Decommissioning Funding for Reactors and Independent Spent Fuel Storage Installations23 March 2023Constellation Energy Generation, LLC, Report on Status of Decommissioning Funding for Reactors and Independent Spent Fuel Storage InstallationsDecommissioning Funding Plan
Authorized possession limits