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 SiteStart dateTitleTopic
ENS 56968Callaway15 February 2024 08:47:00Automatic Turbine Trip/Reactor Trip
ENS 56723Callaway6 September 2023 13:30:00Controlled Substance Found in the Protected Area
ENS 56561Callaway6 June 2023 17:33:00FITNESS-FOR-DUTY ReportFitness for Duty
ENS 56534University of Missouri-Columbia23 May 2023 13:45:00Technical Specification Violation
ENS 56401Callaway9 March 2023 17:53:00Offsite Notification Due to Injured Worker
ENS 56296University of Missouri-Columbia22 September 2022 18:00:00Technical Specification Violation
ENS 56122University of Missouri-Columbia21 September 2022 05:00:00Loss of Radioactive Material in TransitMoisture Density Gauge
ENS 55972Callaway2 May 2022 04:05:00Invalid Specified System Actuation
ENS 55848Callaway19 April 2022 15:30:00FITNESS-FOR-DUTY Report - Failed FITNESS-FOR-DUTY Test
ENS 55698Callaway7 January 2022 18:23:00Automatic Turbine Trip / Reactor Trip
ENS 55583University of Missouri-Columbia15 November 2021 06:00:00Abnormal Occurrence
ENS 55568University of Missouri-Columbia8 November 2021 06:00:00Technical Specification Violation
ENS 55538Callaway21 October 2021 18:03:00FITNESS-FOR-DUTY Report
ENS 55516University of Missouri-Columbia11 October 2021 05:00:00One Primary Coolant LOW Pressure Instrument Channel Scram Setpoint Found Below Technical Specification Required Minimum
ENS 55266University of Missouri-Rolla19 May 2021 16:00:00Surveillance Not Performed in Required Timeframe
ENS 55259Callaway14 May 2021 18:00:00Individual Fall from Scaffold Ladder - Other Government Agency Notification
ENS 55247Callaway10 May 2021 17:50:00Fitness for Duty - Discovered Vulnerability in Fitness for Duty ProgramFitness for Duty
ENS 55049Callaway24 December 2020 18:35:00Automatic Turbine and Reactor Trip
ENS 54916Callaway27 September 2020 07:03:00Automatic Reactor Trip
ENS 54806Callaway30 July 2020 13:15:00Unanalyzed Condition
ENS 54639Callaway4 April 2020 06:15:00Automatic Reactor Trip
ENS 54069Callaway17 May 2019 04:03:00En Revision Imported Date 6/6/2019
ENS 54061Callaway12 May 2019 04:05:00Discovery of a Condition That Could Have Prevented Fulfillment of a Safety FunctionTime of Discovery
ENS 54005Callaway17 April 2019 06:37:00Undervoltage to a Safety Related Bus Resulting in Valid System Actuation
ENS 53864Callaway7 February 2019 16:50:00Fitness-For-Duty - Alcohol Consumed in Protected Area
ENS 53759Callaway28 November 2018 06:00:00Discovery of a Condition That Could Have Prevented Fulfillment of a Safety FunctionTime of Discovery
ENS 53717Callaway5 November 2018 05:00:00Offsite Notification Due to Chemical Spill Offsite
ENS 53485Callaway3 July 2018 05:00:00En Revision Imported Date 8/1/2018Unanalyzed Condition
Ultimate heat sink
Mission time
ENS 53426Callaway23 May 2018 12:30:00Fitness for DutyFitness for Duty
ENS 53388Callaway7 May 2018 18:35:00Discovery of a Condition That Could Have Prevented Fulfillment of a Safety FunctionSafe Shutdown
Time of Discovery
Mission time
ENS 53223Callaway20 February 2018 18:25:00All Three Auxiliary Feedwater Pumps Inoperable Due to Helb Door Being OpenSafe Shutdown
Unanalyzed Condition
ENS 53203Callaway12 February 2018 10:12:00Loss of Ventilation Identified During Technical Support Center Test
ENS 53119Callaway13 December 2017 19:28:00Fitness for Duty ReportFitness for Duty
ENS 52998Callaway2 October 2017 16:15:00Initial Part 21 Notification - Cameron Model 752B Differential Pressure Transmitters
ENS 52905Callaway15 August 2017 16:46:00Discovery of Non-Conforming Conditions During Tornado Hazards AnalysisSafe Shutdown
Unanalyzed Condition
Time of Discovery
Tornado Missile
ENS 52607Callaway13 March 2017 18:58:00Discovery of Non-Conforming Conditions During Tornado Hazards AnalysisSafe Shutdown
Unanalyzed Condition
Time of Discovery
Tornado Missile
Enforcement Discretion
ENS 52121University of Missouri-Columbia18 July 2016 19:40:00Sealed Source LeakBrachytherapy
Moisture Density Gauge
ENS 51874Callaway20 April 2016 19:05:00Unanalyzed Condition Due to Essential Service Water Pressure TransientUnanalyzed Condition
ENS 51846Callaway3 April 2016 04:02:00Reactor Protection System Actuation While Reactor Shutdown
ENS 51673University of Missouri-Columbia19 January 2016 16:30:00Leaking Ni-63 Source
ENS 51649Callaway12 January 2016 18:53:00Loss of Ventilation System to Emergency Off-Site Facility
ENS 51646Callaway11 January 2016 18:00:00Fitness for DutyFitness for Duty
ENS 51308Callaway11 August 2015 06:39:00Automatic Reactor Trip After an Offsite Electrical Fault
ENS 51257Callaway23 July 2015 18:57:00Auxiliary Feedwater Manual Start Due to Loss of Main Feedwater Pump During Plant Cooldown
ENS 51253Callaway23 July 2015 06:15:00Initiation of Plant Shutdown Due to Rcs LeakagePressure Boundary Leakage
ENS 50861University of Missouri-Columbia4 March 2015 06:00:00Missing Tritium Exit SignTritium Exit Sign
Moisture Density Gauge
ENS 50650Callaway3 December 2014 06:22:00Automatic Reactor Trip Due to Turbine Trip
ENS 50625Callaway19 November 2014 01:00:00Unanalyzed Condition Due to All Four Safety Injection Accumulators InoperableUnanalyzed Condition
Time of Discovery
ENS 50474Callaway19 September 2014 16:34:00Unanalyzed Condition Due to a Postulated Hot-Short Fire Event That Could Adversely Impact Safe Shutdown EquipmentHot Short
Safe Shutdown
Unanalyzed Condition
ENS 50465Callaway17 September 2014 14:13:00Offsite Notification Due to Oil Tanker Truck Spill