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 SiteStart dateTitleTopic
ENS 57220Cooper9 July 2024 09:55:00Loss of Communications Capabilities
ENS 57041Cooper13 March 2024 10:48:00High Pressure Coolant Injection (HPCI) Inoperable
ENS 56989Cooper22 February 2024 17:03:00Accident Mitigation - High Pressure Coolant Iinjection Declared Inoperable
ENS 56811Cooper22 October 2023 16:49:00Secondary Containment Momentarily Inoperable
ENS 56786Cooper10 October 2023 20:53:00Offsite Notification - Spurious Alarm ActuationSiren
ENS 56509Cooper8 May 2023 07:07:00Shutdown Required by Technical Specifications Due to Inoperable Core Spray
ENS 56346Cooper9 February 2023 16:06:00Failed Fitness for Duty TestFitness for Duty
ENS 56278Cooper17 December 2022 05:51:00Manual Reactor Scram
ENS 56220Cooper13 November 2022 04:19:00Automatic Reactor Scram
ENS 56174Cooper22 October 2022 17:58:00ECCS Injection While Shutdown
ENS 56152Cooper7 October 2022 05:50:00Potentially Contaminated Individual Transported to Hospital
ENS 57001Cooper27 August 2022 05:00:00Part 21 - Service Water Booster Pump Bearing Housing Cover Oil Leak
ENS 55981Cooper7 July 2022 21:01:00Loss of National Warning System Tower
ENS 55907Cooper23 May 2022 09:55:00Secondary Containment Pressure Exceeded Technical Specification Requirement
ENS 55715Cooper27 January 2022 16:38:00Loss of Meteorlogical Data Acquisition System
ENS 55703Cooper13 January 2022 14:06:00Offsite Notification Due to Spurious Siren ActuationSiren
ENS 55690Fort Calhoun5 January 2022 15:09:00Offsite Notification Due to Onsite Fire
ENS 55566Fort Calhoun8 November 2021 16:15:00Offsite Notification
ENS 55306Fort Calhoun15 June 2021 17:30:00Offsite Notification
ENS 55098Cooper9 February 2021 07:53:00Control Release of Radioactive Material and Accident MitigationTime of Discovery
ENS 54976Cooper1 November 2020 10:34:00Manual Reactor Trip Due to an Un-Isolable Leak on the Turbine High Pressure Fluid SystemReactor Vessel Water Level
ENS 54907Fort Calhoun23 September 2020 20:28:00Offsite Notification - Press Release for a Fire in ContainmentFire Watch
ENS 54690Cooper1 May 2020 13:31:00Both Secondary Containment Access Doors Open SimultaneouslyTime of Discovery
ENS 54425Cooper5 December 2019 14:10:00Fire Door Discovered UnlatchedUnanalyzed Condition
Time of Discovery
ENS 54232Cooper19 August 2019 14:39:00Loss of Public Prompt Notification System
ENS 54099Cooper4 June 2019 13:15:00Issuance of Press Release Due to Spurious Actuation of Emergency SirensSiren
ENS 54049Cooper5 May 2019 19:05:00En Revision Imported Date 5/31/2019
ENS 53941Cooper16 March 2019 16:00:00Loss of Tone Alert Radio Transmission Tower
ENS 53934Cooper15 March 2019 10:46:00En Revision Imported Date 3/25/2019
ENS 53831Fort Calhoun16 January 2019 06:00:00Offsite Notification Due to Fire Requiring Local Fire Department Response
ENS 53809Cooper29 December 2018 06:00:00Notice of Unusual Event Due to Toxic Gas and Fire
ENS 53668Cooper15 October 2018 05:00:00Fitness-For-Duty Test Positive for Licensed EmployeeFitness for Duty
ENS 53776Cooper13 October 2018 05:00:0060-Day Optional Telephonic Notification of Invalid Specified System ActuationReactor Vessel Water Level
ENS 53646Cooper5 October 2018 05:00:00En Revision Imported Date 10/25/2018
ENS 53650Cooper5 October 2018 05:00:00Control Room Emergency Filter System InoperableTime of Discovery
ENS 53476Cooper26 June 2018 05:00:00En Revision Imported Date 8/14/2018Time of Discovery
Mission time
ENS 53416Cooper22 May 2018 14:00:00Unplanned Public Notification During a Drill
ENS 53261Cooper14 March 2018 22:11:00Loss of Emergency Notification Tone Alert Radio System
ENS 53253Cooper10 March 2018 13:09:00High Pressure Coolant Injection System Declared InoperableTime of Discovery
Packing leak
Unidentified leakage
ENS 53133Cooper20 December 2017 21:59:00Emergency Alert System Out of Service
ENS 53128Cooper19 December 2017 19:40:00Diesel Generators (Dgs) Declared Inoperable Due to a Common Issue
ENS 53125Fort Calhoun18 December 2017 13:10:00Inadvertent Emergency Siren Activation During TestingInadvertent Emergency Siren Activation
Siren
ENS 53074Cooper16 November 2017 02:07:00Loss of Public Prompt Notification System Capability
ENS 53069Cooper14 November 2017 17:18:00Unusual Event Declared Due to Hydrogen Line Leak
ENS 53022Cooper18 October 2017 07:09:00Hpci Declared InoperableTime of Discovery
ENS 52813Cooper20 June 2017 02:15:00Primary Containment Declared Inoperable Due to Failure of Drywell to Suppression Chamber Vacuum Breaker to Fully CloseTime of Discovery
ENS 52771Cooper26 May 2017 08:21:00Control Room Emergency Filtration System InoperableTime of Discovery
ENS 52768Cooper23 May 2017 13:30:00Loss of Meteorological Tower Primary and Backup Communication Equipment
ENS 52765Cooper19 May 2017 13:05:00Nonfunctional Radio Transmission Tower Affects Tone Alert Radios
ENS 52416Cooper8 December 2016 04:40:00Control Room Fan Switch Mis-PositionedTime of Discovery