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| Start date | Site | Title | |
|---|---|---|---|
| ENS 56957 | 9 February 2024 18:22:00 | Peach Bottom | Unanalyzed Condition - Inadequate Fuses for Fuel Pool Cooling |
| ENS 56928 | 18 January 2024 20:04:00 | Columbia | Residual Heat Removal Degraded Due to Service Water Leakage |
| ENS 56910 | 28 December 2023 16:29:00 | Watts Bar | Unanalyzed Condition |
| ENS 56849 | 10 November 2023 21:45:00 | Waterford | Unanalyzed Condition |
| ENS 56670 | 8 August 2023 20:22:00 | Louisiana Energy Services | Unanalyzed Condition |
| ENS 56610 | 6 July 2023 16:32:00 | Millstone | Unanalyzed Condition |
| ENS 56569 | 11 June 2023 05:30:00 | Beaver Valley | Unanalyzed Condition |
| ENS 56541 | 25 May 2023 17:45:00 | Watts Bar | Unanalyzed Condition of Emergency Diesel Generator |
| ENS 56455 | 6 April 2023 20:46:00 | Perry | Main Steam Line 'B' Leakage in Excess of Tech Spec Limits |
| ENS 56350 | 12 February 2023 13:00:00 | Beaver Valley | Control Room Emergency Ventilation System Inoperable |
| ENS 56199 | 1 November 2022 15:29:00 | Westinghouse Electric Corporation | Unanalyzed Condition - Nuclear Material Received in Excess of License Limits |
| ENS 55896 | 13 May 2022 16:11:00 | Monticello | Control Room Envelope Inoperable |
| ENS 55802 | 25 March 2022 19:30:00 | Louisiana Energy Services | Instances of Unanalyzed Conditions |
| ENS 55576 | 14 November 2021 16:50:00 | Millstone | NON-FUNCTIONAL Steam Supply Check Valve to Turbine Driven Auxiliary Feedwater Pump |
| ENS 55565 | 6 November 2021 15:00:00 | Millstone | Steam Supply Check Failure to Turbine Driven Auxillary Feedwater |
| ENS 55459 | 13 September 2021 22:22:00 | Surry | Unanalyzed Condition of Fire Safe Shutdown Equipment |
| ENS 55427 | 24 August 2021 18:06:00 | FitzPatrick | Appendix R Hot Short Unanalyzed Condition |
| ENS 55375 | 22 July 2021 21:51:00 | North Anna | Unanalyzed Condition of Fire Safe Shutdown Equipment |
| ENS 55265 | 19 May 2021 10:15:00 | Palo Verde | Automatic Reactor Trip Due to High Pressurizer Pressure |
| ENS 55231 | 3 May 2021 13:30:00 | Fermi | Unanalyzed Condition |
| ENS 54834 | 13 August 2020 13:38:00 | Harris | Manual Reactor Trip Due to Dropped Control Rod |
| ENS 54806 | 30 July 2020 13:15:00 | Callaway | |
| ENS 54533 | 20 February 2020 17:40:00 | FitzPatrick | Unanalyzed Condition - Unprotected Dc Control Circuits |
| ENS 54487 | 22 January 2020 03:18:00 | Sequoyah | |
| ENS 54425 | 5 December 2019 14:10:00 | Cooper | Fire Door Discovered Unlatched |
| ENS 54417 | 30 November 2019 19:00:00 | Diablo Canyon | Both Trains of Containment Spray Removed from Service |
| ENS 54366 | 2 November 2019 19:15:00 | Beaver Valley | Refueling Water Storage Tank Declared Inoperable Due to Low Level |
| ENS 54266 | 11 September 2019 00:34:00 | Browns Ferry | Unanalyzed Condition Due to Lightning Strike |
| ENS 54257 | 6 September 2019 02:15:00 | South Texas | En Revision Imported Date 11/8/2019 |
| ENS 54197 | 3 August 2019 07:26:00 | Clinton | En Revision Imported Date 8/7/2019 |
| ENS 54130 | 24 June 2019 22:15:00 | FitzPatrick | En Revision Imported Date 10/1/2019 |
| ENS 53997 | 12 April 2019 23:15:00 | Monticello | En Revision Imported Date 5/28/2019 |
| ENS 53968 | 1 April 2019 03:06:00 | Palo Verde | Unanalyzed Condition Due to Eccs Leakage |
| ENS 53712 | 1 November 2018 04:00:00 | Fermi | En Revision Imported Date 12/31/2018 |
| ENS 53675 | 19 October 2018 04:00:00 | Perry | Postulated Hot-Short Fire Event That Could Adversely Impact Safe Shutdown Equipment |
| ENS 53644 | 4 October 2018 04:00:00 | Perry | Postulated Hot Short Fire Event That Could Adversely Impact Safe Shutdown Equipment |
| ENS 53622 | 25 September 2018 05:00:00 | River Bend | Control Building Chillers in Unanalyzed Condition |
| ENS 53612 | 17 September 2018 04:00:00 | Bwx Technologies, Inc. | Unanalyzed Condition |
| ENS 53597 | 11 September 2018 05:00:00 | Monticello | Unanalyzed Condition |
| ENS 53548 | 12 August 2018 04:00:00 | Beaver Valley | En Revision Imported Date 8/17/2018 |
| ENS 53485 | 3 July 2018 05:00:00 | Callaway | En Revision Imported Date 8/1/2018 |
| ENS 53445 | 5 June 2018 06:00:00 | Louisiana Energy Services | En Revision Imported Date 7/12/2018 |
| ENS 53419 | 22 May 2018 04:00:00 | Beaver Valley | En Revision Imported Date 6/22/2018 |
| ENS 53401 | 14 May 2018 17:05:00 | Calvert Cliffs | Saltwater System Non-Conforming with Licensing Basis for Tornado Generated Missiles |
| ENS 53392 | 8 May 2018 04:00:00 | Farley | Unanalyzed Condition |
| ENS 53382 | 4 May 2018 16:29:00 | River Bend | Unanalyzed Condition Associated with Damaging Effects of Tornados |
| ENS 53349 | 19 April 2018 23:44:00 | Watts Bar | Unanalyzed Condition Related to Emergency Core Cooling Gas Accumulation Acceptance Criteria |
| ENS 53300 | 29 March 2018 18:44:00 | Browns Ferry | Unanalyzed Condition Due to Inoperability of Emergency Equipment Cooling Water Pump |
| ENS 53276 | 22 March 2018 08:00:00 | LaSalle | Technical Specification Required Shutdown Due to Pressure Boundary Leakage |
| ENS 53267 | 16 March 2018 05:00:00 | Browns Ferry | Unanalyzed Condition Affecting Residual Heat Removal System |