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 Issue dateTitleTopic
IR 05000454/20230042 February 2024Integrated Inspection Report 05000454/2023004 and 05000455/2023004
IR 05000454/202330127 November 2023NRC Initial License Examination Report 05000454/2023301 and 05000455/2023301Job Performance Measure
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
ML23251A16229 September 2023Steam Generator Tube Inspection Reports to Reflect TSTF-577 Reporting Requirements
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
IR 05000454/202340218 July 2023Baseline Security Inspection Document; 05000454/2023402; 05000455/2023402
IR 05000454/20230015 May 2023Integrated Inspection Report 05000454/2023001 and 05000455/2023001Boric Acid
High Radiation Area
Ultimate heat sink
Weld Overlay
Post Accident Monitoring
Enforcement Discretion
Nondestructive Examination
Temporary Modification
Functionality Assessment
Operability Determination
Fire Protection Program
Dissimilar Metal Weld
Power change
IR 05000454/202301019 April 2023License Phase 1 Report 05000454/2023010Aging Management
Significance Determination Process
License Renewal
IR 05000454/202340130 March 2023Baseline Security Inspection 05000454/2023401; and 05000455/2023401Fitness for Duty
IR 05000454/20223017 March 2023NRC Initial License Examination Report 05000454/2022301 and 05000455/2022301Job Performance Measure
IR 05000454/20220061 March 2023Annual Assessment Letter for Byron Station, Units 1 and 2 (Report 05000455/2022006 and 05000454/2022006)Commercial Grade Dedication
Exemption Request
Coronavirus
IR 05000454/20220041 February 2023Integrated Inspection Report 05000454/2022004 and 05000455/2022004High winds
Nuclear Accident Reporting System
Functionality Assessment
Operability Determination
Severe Accident Management Guideline
Fire Protection Program
Siren
IR 05000454/202201017 January 2023Design Basis Assurance Inspection (Programs) Inspection Report Report 05000454/2022010 and 05000455/2022010Packing leak
Stroke time
Past operability
Significance Determination Process
Power-Operated Valves
Power Operated Valves
IR 05000454/202240328 December 2022Cyber Security Inspection Report 05000454/2022403 and 05000455/2022403Cyber Security
IR 05000454/20224059 December 2022Material Control and Accounting Program Inspection Report 05000454/2022405 and 05000455/2022405Affidavit
IR 05000454/20220037 November 2022Integrated Inspection Report 05000454/2022003 and 05000455/2022003Boric Acid
Stroke time
Internal Flooding
Past operability
Temporary Modification
Functionality Assessment
FLEX
Operability Determination
Fire Protection Program
BYRON 2022-0072, Steam Generator Tube Inspection Report for Refueling Outage 2327 October 2022Steam Generator Tube Inspection Report for Refueling Outage 23Nondestructive Examination
IR 05000454/202200524 August 2022Updated Inspection Plan for Byron Station Units 1 and 2 (Report 05000454/2022005; 05000455/2022005)Commercial Grade Dedication
Operator Manual Action
Open Phase Condition
Exemption Request
Coronavirus
IR 05000454/20224029 August 2022Security Baseline Inspection Report 05000454/2022402 and 05000455/2022402
IR 05000454/20220028 August 2022Integrated Inspection Report 05000454/2022002 and 05000455/2022002Boric Acid
High Radiation Area
Ultimate heat sink
Offsite Dose Calculation Manual
Fire Barrier
Nondestructive Examination
Temporary Modification
Functionality Assessment
Locked High Radiation Area
Missed surveillance
Significance Determination Process
Foreign Material Exclusion
Annual Radiological Environmental Operating Report
Operability Determination
Liquid penetrant
Through Wall Leak
Fire Protection Program
Downpower
Coast down
IR 05000454/20220013 May 2022Integrated Inspection Report 05000454/2022001 and 05000455/2022001Boric Acid
Offsite Dose Calculation Manual
Internal Flooding
Probabilistic Risk Assessment
Temporary Modification
Functionality Assessment
Significance Determination Process
Annual Radioactive Effluent Release Report
Operability Determination
Maintenance Rule Program
Fire Protection Program
Power change
Coast down
IR 05000454/20224014 April 2022Security Baseline Inspection Report 05000454/2022401 and 05000455/2022401Safeguards Contingency Plan
Coronavirus
COVID-19
IR 05000454/20210062 March 2022Annual Assessment Letter for Byron Station, Units 1 and 2 (Report 05000454/2021006 and 05000455/2021006)License Renewal
Exemption Request
COVID-19
IR 05000454/202100411 February 2022Integrated Inspection Report 05000454/2021004 and 05000455/2021004Safe Shutdown
Packing leak
Internal Flooding
Enforcement Discretion
Temporary Modification
VT-2
Functionality Assessment
FLEX
Operability Determination
License Renewal
Fire Protection Program
Downpower
IR 05000454/20210126 January 2022Biennial Problem Identification and Resolution Inpsection Report 05000454/2021012 and 05000455/2021012Boric Acid
High Radiation Area
Stroke time
Coatings
VT-2
FLEX
Aging Management
License Renewal
Pandemic
COVID-19
Through Wall Leak
Through-Wall Leakage
Fire Protection Program
Power change
Operability Assessment
IR 05000454/202130117 December 2021NRC Initial License Examination Report 05000454/2021301; 05000455/2021301Job Performance Measure
IR 05000454/202140322 November 2021Security Baseline Inspection Report 05000454/2021403 and 05000455/2021403Fitness for Duty
Safeguards Contingency Plan
Coronavirus
COVID-19
IR 05000454/202100329 October 2021Integrated Inspection Report 05000454/2021003 and 05000455/2021003 and Exercise of Enforcement DiscretionSafe Shutdown
Boric Acid
High Radiation Area
Commercial Grade Dedication
Internal Flooding
Enforcement Discretion
Nondestructive Examination
Temporary Modification
Functionality Assessment
B.5.b
Pressure and Temperature Limits Report
Operability Determination
Exemption Request
Coronavirus
COVID-19
Liquid penetrant
Fire Protection Program
Coast down
IR 05000454/202140228 September 2021Security Baseline Inspection Report 05000454/2021402 and 05000455/2021402Safeguards Contingency Plan
Coronavirus
COVID-19
COVID19
IR 05000454/20210051 September 2021Updated Inspection Plan for Byron Station Units 1 and 2 (05000454/2021005 and 05000455/2021005)Operator Manual Action
Cyber Security
Open Phase Condition
Exemption Request
Coronavirus
IR 05000454/20210024 August 2021Integrated Inspection Report 05000454/2021002; 05000455/2021002; and 07200068/2021001Safe Shutdown
Boric Acid
Packing leak
Non-Destructive Examination
Stroke time
Internal Flooding
Enforcement Discretion
Functionality Assessment
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Operability Determination
Coronavirus
COVID-19
Fire Protection Program
Downpower
IR 05000454/202101114 May 2021Design Basis Assurance Inspection (Teams) Inspection Report 05000454/2021011 and 05000455/2021011Mission time
Commercial Grade Dedication
Aging Management
Large early release frequency
Battery sizing
Coronavirus
COVID-19
Weak link
IR 05000454/202150121 April 2021Emergency Preparedness Biennial Exercise Inspection Report 05000454/2021501 and 05000455/2021501Met Tower
IR 05000454/202100120 April 2021Integrated Inspection Report 05000454/2021001 and 05000455/2021001Boric Acid
Temporary Modification
Functionality Assessment
Operability Determination
Coronavirus
COVID-19
Fire Protection Program
Fire Watch
Power change
IR 05000454/202140124 March 2021Security Baseline Inspection Report 05000454/2021401 and 05000455/2021401Fitness for Duty
Coronavirus
COVID-19
IR 05000454/201801019 March 2021Closure of Auxiliary Feedwater System Unresolved Item 05000454/2018010-04 and 05000455/2018010-04Probabilistic Risk Assessment
IR 05000454/20200064 March 2021Annual Assessment Letter for Byron Station (Report 05000454/2020006 and 05000455/2020006)Operator Manual Action
Open Phase Condition
Exemption Request
Coronavirus
IR 05000454/20210109 February 2021Triennial Fire Protection Inspection Report 05000454/2021010 and 05000455/2021010Safe Shutdown
Coronavirus
Fire Protection Program
IR 05000454/202000427 January 2021Integrated Inspection Report 05000454/2020004 and 05000455/2020004Boric Acid
Ultimate heat sink
Time to boil
Past operability
Met Tower
Nondestructive Examination
VT-2
Functionality Assessment
Operability Determination
Pandemic
Coronavirus
COVID-19
Liquid penetrant
Through Wall Leak
Fire Protection Program
Coast down
Siren
IR 05000454/202040316 December 2020Security Baseline Inspection Report 05000454/2020403 and 05000455/2020403Fitness for Duty
Coronavirus
COVID-19
IR 05000454/202000310 November 2020Integrated Inspection Report 05000454/2020003 and 05000455/2020003Safe Shutdown
Internal Flooding
Temporary Modification
Functionality Assessment
FLEX
Significance Determination Process
RAMQC
Operability Determination
Coronavirus
COVID-19
Fire Protection Program
Coast down
Exclusive Use
IR 05000454/202001129 September 2020Triennial Inspection of Evaluation of Changes, Tests and Experiments Baseline Inspection Report 05000454/2020011 and 05000455/2020011Code Reconciliation
Coronavirus
IR 05000454/202040218 September 2020Security Baseline Inspection Report 05000454/2020402 and 05000455/2020402Coronavirus
COVID-19
IR 05000454/20200051 September 2020Updated Inspection Plan for Byron Station Units 1 and 2 (Report 05000454/2020005 and 05000455/2020005)Ultimate heat sink
Cyber Security
Exemption Request
COVID-19
IR 05000454/202000227 July 2020Integrated Inspection Report 05000454/2020002 and 05000455/2020002Commercial Grade Dedication
Past operability
Probabilistic Risk Assessment
Functionality Assessment
Significance Determination Process
Operability Determination
Coronavirus
COVID-19
Fire Protection Program
IR 05000454/202000124 April 2020Integrated Inspection Report 05000454/2020001 and 05000455/2020001Safe Shutdown
Boric Acid
Packing leak
High Radiation Area
Past operability
Nondestructive Examination
Temporary Modification
Functionality Assessment
Locked High Radiation Area
Operability Determination
Code Reconciliation
Coronavirus
COVID-19
Liquid penetrant
Fire Protection Program
Substantial potential for an overexposure
Power change
Coast down
Overexposure
IR 05000454/202040130 March 2020Security Baseline Inspection Report 05000454/2020401 and 05000455/2020401Fitness for Duty
Blind Performance Test
IR 05000454/20190063 March 2020Annual Assessment Letter for Byron Station, Units 1 and 2 (Report 05000454/2019006 and 05000455/2019006)