IR 05000275/2023004 | 9 February 2024 | Integrated Inspection Report 05000275/2023004 and 05000323/2023004 | |
IR 05000275/2023011 | 12 January 2024 | NRC License Renewal Phase 1 Inspection Report 05000275/2023011 | Loop seal Weld Overlay Nondestructive Examination Incorporated by reference Aging Management Significance Determination Process Pressure and Temperature Limits Report Moisture barrier License Renewal Subsequent License Renewal |
IR 05000275/2023003 | 13 November 2023 | Integrated Inspection Report 05000275/2023003 and 05000323/2023003 | Ultimate heat sink Enforcement Discretion Probabilistic Risk Assessment Temporary Modification Functionality Assessment Significance Determination Process Operability Determination Offsite Circuit Fire Protection Program Siren |
IR 05000275/2024015 | 10 October 2023 | Information Request for the Cybersecurity Baseline Inspection, Notification to Perform Inspection (050002752024015 and 050003232024015) | Cyber Security |
IR 05000275/2024301 | 24 August 2023 | Notification of NRC Initial Operator Licensing Examination 05000275/2024301; 05000323/2024301 | |
IR 05000275/2023005 | 22 August 2023 | Updated Inspection Plan for Diablo Canyon Power Plant, Units 1 and 2 (Report 05000275/2023005 and 05000323/2023005) - Mid Cycle Letter | Fitness for Duty Cyber Security License Renewal |
IR 05000275/2023002 | 14 August 2023 | Quarterly Integrated Inspection Report 05000275/2023002 and 05000323/2023002- August 7, 2023 | Boric Acid Time of Discovery Internal Flooding Enforcement Discretion Probabilistic Risk Assessment Functionality Assessment Significance Determination Process Operability Determination Pressure Boundary Leakage Through-Wall Leak Through-Wall Leakage Fire Protection Program |
IR 05000275/2021301 | 9 August 2023 | Errata for Diablo Canyon Power Plant, Units 1 and 2 - NRC Examination Report 050002752021301 and 050003232021301 | |
IR 05000275/2023402 | 3 August 2023 | NRC Security Inspection Report 05000275/2023402, and 05000323/2023402 | Fitness for Duty |
IR 05000275/2023301 | 25 July 2023 | NRC Initial Operator Licensing Examination Approval 05000275/2023301, 05000323/2023301 | |
IR 05000275/2023010 | 11 May 2023 | NRC Inspection Report 05000275 2023010 and 05000323 2023010 | Commercial Grade Dedication |
IR 05000275/2023001 | 9 May 2023 | Integrated Inspection Report 05000275/2023001 and 05000323/2023001 | High winds Internal Flooding Enforcement Discretion Functionality Assessment FLEX Operability Determination Earthquake Fire Protection Program Power change Downpower |
IR 05000275/2023403 | 10 March 2023 | NRC Security Baseline Inspection Report 05000275/2023403, 05000323/2023403 (Full Report) | Fitness for Duty |
IR 05000275/2022006 | 1 March 2023 | Annual Assessment Letter for Diablo Canyon Power Plant, Units 1 and 2 (Report 05000275/2022006 and 05000323/2022006) | Fitness for Duty Commercial Grade Dedication Cyber Security License Renewal Exemption Request COVID-19 |
IR 05000275/2022004 | 2 February 2023 | Integrated Inspection Report 05000275/2022004 and 05000323/2022004 | Safe Shutdown Boric Acid Packing leak Stroke time Commercial Grade Dedication Weld Overlay Internal Flooding Probabilistic Risk Assessment Nondestructive Examination Temporary Modification VT-2 Functionality Assessment Significance Determination Process Large early release frequency Operability Determination Earthquake Liquid penetrant Through Wall Leak Fire Protection Program Very Early Warning Fire Detection |
IR 05000275/2022010 | 27 January 2023 | Biennial Problem Identification and Resolution Inspection Report 05000275/2022010 and 05000323/2022010 | Fitness for Duty Probabilistic Risk Assessment Condition Adverse to Quality Significance Determination Process Operability Determination Maintenance Rule Program Pressure Boundary Leakage Operability Assessment |
IR 05000275/2022402 | 26 October 2022 | Security Baseline Inspection Report 05000275/2022402 and 05000323/ 2022402 | Preemption Authority |
IR 05000275/2022003 | 24 October 2022 | Integrated Inspection Report 05000275/2022003 and 05000323/2022003 and Exercise of Enforcement Discretion | Enforcement Discretion Functionality Assessment FLEX Operability Determination Severe Accident Management Guideline Fatigue Rule Fire Protection Program |
IR 05000275/2022005 | 23 August 2022 | Updated Inspection Plan for Diablo Canyon Power Plant, Units 1 and 2 (Report 05000275/2022005 and 05000323/2022005) | Fitness for Duty Commercial Grade Dedication Cyber Security Exemption Request Coronavirus |
IR 05000275/2022002 | 10 August 2022 | Integrated Inspection Report 05000275/2022002 and 05000323/2022002 | Boric Acid High winds High Radiation Area Internal Flooding Probabilistic Risk Assessment Coatings Nondestructive Examination Temporary Modification VT-2 Emergency Lighting Functionality Assessment Significance Determination Process Operability Determination Fire Protection Program Power change Downpower |
IR 05000275/2022011 | 9 August 2022 | Design Basis Assurance Inspection (Teams) Inspection Report 05000275/2022011 and 05000323/2022011 | Safe Shutdown Anticipated operational occurrence Probabilistic Risk Assessment Anchor Darling Significance Determination Process Large early release frequency Weak link |
IR 05000275/2022401 | 3 August 2022 | NRC Security Inspection Report 05000275/2022401, 05000323/2022401 | Safeguards Contingency Plan |
ML22143A881 | 26 May 2022 | Revised Integrated Inspection Report 05000275/2022001 and 05000323/2022001 | Boric Acid Internal Flooding Enforcement Discretion Temporary Modification Functionality Assessment Condition Adverse to Quality Significance Determination Process Coronavirus COVID-19 Fire Protection Program Power change Downpower |
ML22118A936 | 5 May 2022 | Integrated Inspection Report 05000275/2022001 and 05000323/2022001 | Boric Acid Internal Flooding Enforcement Discretion Temporary Modification Functionality Assessment Condition Adverse to Quality Significance Determination Process Coronavirus COVID-19 Fire Protection Program Power change Downpower |
IR 05000275/2022001 | 5 May 2022 | Integrated Inspection Report 05000275/2022001 and 05000323/2022001 | Boric Acid Internal Flooding Enforcement Discretion Temporary Modification Functionality Assessment Condition Adverse to Quality Significance Determination Process Operability Determination Coronavirus COVID-19 Through Wall Leak Fire Protection Program Power change Downpower |
IR 05000323/2021420 | 31 March 2022 | Security Inspection Report 05000275 and 05000323/2021420 | |
IR 05000275/2021006 | 2 March 2022 | Annual Assessment Letter for Diablo Canyon Power Plant, Units 1 and 2 (Report 05000275/2021006 and 05000323/2021006) | Fitness for Duty Exemption Request Coronavirus |
IR 05000275/2021004 | 3 February 2022 | Integrated Inspection Report 05000275/2021004 and 05000323/2021004 | High winds Fire Barrier Enforcement Discretion Temporary Modification Functionality Assessment Operability Determination Fire Protection Program |
IR 05000275/2021404 | 13 January 2022 | Public - Security Baseline Inspection Report 05000275/2021404 and 05000323/2021404 | Affidavit |
IR 05000275/2021003 | 3 November 2021 | Integrated Inspection Report 05000275/2021003 and 05000323/2021003 | Fire Barrier Internal Flooding Met Tower Temporary Modification Functionality Assessment FLEX Annual Radioactive Effluent Release Report Operability Determination Open Phase Initiative Earthquake Power-Operated Valves Coronavirus COVID-19 Fuel cladding Fire Protection Program |
IR 05000275/2021011 | 10 September 2021 | Design Basis Assurance Inspection (Programs) Report 05000275/2021011 and 05000323/2021011 | Anchor Darling Power-Operated Valves Coronavirus COVID-19 Weak link |
IR 05000275/2021405 | 5 August 2021 | Security Baseline Inspection Report 05000275/2021405 and 05000323/2021405 | Contraband Coronavirus COVID-19 |
IR 07200026/2021401 | 3 August 2021 | Diablo Canon Nuclear Power Plant, Security Baseline Inspection Report 07200026/2021401 | Safeguards Contingency Plan |
IR 05000275/2021002 | 2 August 2021 | Integrated Inspection Report 05000275/2021002 and 05000323/2021002 | Packing leak Functionality Assessment Foreign Material Exclusion Operability Determination Coronavirus COVID-19 Fire Protection Program |
IR 05000275/2021012 | 28 July 2021 | Temporary Instruction 2515/194 Report 05000275/2021012 and 05000323/2021012 | Probabilistic Risk Assessment Operator Manual Action Open Phase Condition Open Phase Initiative Coronavirus |
IR 05000275/2021401 | 1 July 2021 | Security Baseline Inspection Report 05000275/2021401 and 05000323/2021401 | Fitness for Duty |
IR 05000275/2021001 | 7 May 2021 | DC IR 2021-001-drk, Diablo Canyon Power Plant Units 1 & 2 - Integrated Inspection Report 05000275/2021001, 05000323/2021001, & Independent Spent Fuel Storage Installation Inspection Report 07200026/2021001 | Boric Acid High winds Shutdown Margin High Radiation Area Stroke time Internal Flooding Nondestructive Examination Temporary Modification Functionality Assessment Locked High Radiation Area Operability Determination Coronavirus COVID-19 Fire Protection Program DM weld Power change |
DCL-21-036, One Hundred Eighty Day Steam Generator Report for Diablo Canyon Power Plant Unit 1 Twenty-Second Refueling Outage | 22 April 2021 | One Hundred Eighty Day Steam Generator Report for Diablo Canyon Power Plant Unit 1 Twenty-Second Refueling Outage | Nondestructive Examination |
ML21102A070 | 12 April 2021 | Notification of NRC Design Bases Assurance Inspection (Programs) (05000275/2021011 and 05000323/2021011) and Initial Request for Information | Stroke time Power-Operated Valves |
IR 05000275/2021403 | 31 March 2021 | Cyber Security Inspection Report 05000275/2021403 and 05000323/2021403 | Cyber Security Affidavit |
IR 05000275/2021010 | 11 March 2021 | Triennial Fire Protection Inspection Report 05000275/2021010 and 05000323/2021010 | Safe Shutdown Fire Barrier Fire impairment Significance Determination Process Coronavirus COVID-19 Continuous fire watch Fire Protection Program |
IR 05000275/2020006 | 3 March 2021 | DC 2020 Annual Assessment Letter for Diablo Canyon Power Plant, Units 1 & 2 (Report 05000275/2020006 & 05000323/2020006) | Fitness for Duty Operator Manual Action Cyber Security Open Phase Condition Exemption Request Power-Operated Valves COVID-19 |
IR 05000275/2020004 | 26 January 2021 | Integrated Inspection Report 05000275/2020004 and 05000323/2020004 | Boric Acid High Radiation Area Enforcement Discretion Nondestructive Examination Temporary Modification Functionality Assessment Significance Determination Process Operability Determination Coronavirus COVID-19 Biofouling Fire Protection Program |
IR 05000275/2020411 | 22 December 2020 | Security Baseline Inspection Report 05000275/2020411 and 05000323/2020411 | Safeguards Contingency Plan |
IR 05000275/2020410 | 15 December 2020 | NRC Security Inspection Report 05000275/2020410 and 05000323/2020410 | Safeguards Contingency Plan |
IR 05000275/2020010 | 30 October 2020 | Biennial Problem Identification and Resolution Inspection Report 05000275/2020010 and 05000323/2020010 | Condition Adverse to Quality Operability Determination Pandemic Coronavirus COVID-19 |
IR 05000275/2020003 | 29 October 2020 | Integrated Inspection Report 05000275/2020003 and 05000323/2020003 | Boric Acid Fire Barrier Enforcement Discretion Functionality Assessment FLEX Significance Determination Process Process Control Program Operability Determination Earthquake Coronavirus COVID-19 Through-Wall Leak Fire Protection Program Scaffolding |
IR 05000275/2020005 | 1 September 2020 | Updated Inspection Plan for Diablo Canyon Power Plant, Units 1 and 2 (Report 05000275/2020005 and 05000323/2020005) | Fitness for Duty Operator Manual Action Cyber Security Open Phase Condition Exemption Request COVID-19 |
IR 05000275/2020002 | 22 July 2020 | Integrated Inspection Report 05000275/2020002 and 05000323/2020002 | Internal Flooding Temporary Modification Functionality Assessment Operability Determination Maintenance Rule Program Coronavirus COVID-19 Fire Protection Program Scaffolding Siren |
IR 05000275/2020001 | 16 April 2020 | Integrated Inspection Report 05000275/2020001 and 05000323/2020001 | High winds Shutdown Margin Stroke time Weld Overlay Internal Flooding Enforcement Discretion Temporary Modification Cyber Security Functionality Assessment Operability Determination Coronavirus COVID-19 Through Wall Leak Fire Protection Program Power change |