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Issue date | Title | Topic | |
---|---|---|---|
ML19353A409 | 19 December 2019 | Technical Specification 5.6.8 Special Report: Inoperable Containment Isolation Valve Indication Supplemental Report | Locked High Radiation Area |
05000306/LER-2017-003 | 11 January 2018 | Both Containment SEa) Pump Control Switches in Pull-out in Mode 4 LER 17-003-00 for Prairie Island Nuclear Generating Plant, Unit 2 Regarding Both Containment Spray Pump Control Switches in Pull-Out in Mode 4 | |
05000306/LER-2017-002 | 11 December 2017 | Reactor Coolant System Shutdown Communication Live Vent Through Wall Defect LER 17-002-00 for Prairie Island, Unit 2, Regarding Reactor Coolant System Shutdown Communication Live Vent Through Wall Defect | Boric Acid Non-Destructive Examination Pressure Boundary Leakage Pressure boundary leak Through Wall Leak |
05000306/LER-2017-001 | 29 November 2017 | 23 Containment Fan Coil Unit Operability LER 17-001-00 for Prairie Island, Unit 2, Regarding 23 Containment Fan Coil Unit Operability | Unanalyzed Condition |
05000282/LER-2016-006 | 15 February 2017 | 121 Motor Driven Cooling Water Pump Auto Start LER 16-006-00 for Prairie Island Nuclear Generating Plant, Units 1 and 2 Regarding 121 Motor Driven Cooling Water Pump Auto Start | |
05000306/LER-2015-002 | 22 June 2016 | 21 Feedwater Pump Lockout, Unit 2 Reactor Trip Due to Pressure Switch Failure LER 15-002-01 for Prairie Island, Unit, Regarding 21 Feedwater Pump Lockout, Reactor Trip Due to Pressure Switch Failure | |
05000282/LER-2016-004 | 21 June 2016 | 1 OF 4 LER 16-004-00 for Prairie Island, Unit 1, Regarding Missing Fire Barrier Between Fire Area (FA) 59 and 85 / Fire Hazard Analysis Drawings Do Not Match Boundary Description | Safe Shutdown Unanalyzed Condition Time of Discovery Fire Barrier Fire Watch |
05000282/LER-2016-002 | 25 March 2016 | Listed System Actuation - Motor-Driven Cooling Water Pump Auto-Start LER 16-002-00 for Prairie Island, Unit 1, Regarding Listed System Actuation - Motor-Driven Cooling Water Pump Auto-Start | Ultimate heat sink |
05000306/LER-2016-001 | 12 February 2016 | Unit 2 Reactor Trip due to a Ground Fault resulting in a Generator Trip LER 16-001-00 for Prairie Island, Unit 2, Regarding Reactor Trip Due to a Ground Fault Resulting in a Generator Trip | |
L-PI-15-071, Cancellation of License Event Report (LER)50-282/2015-001-00, 14 Fan Coil Unit Leak | 3 September 2015 | Cancellation of License Event Report (LER)50-282/2015-001-00, 14 Fan Coil Unit Leak | |
L-PI-11-023, Reinstatement of Licensee Event Reports Associated with Flooding Scenarios | 31 March 2011 | Reinstatement of Licensee Event Reports Associated with Flooding Scenarios | Unanalyzed Condition |
L-PI-07-101, LER 07-03-001 for Prairie Island, Unit 1 Regarding Unanalyzed Condition Due to Breached Fire Barrier | 25 January 2008 | LER 07-03-001 for Prairie Island, Unit 1 Regarding Unanalyzed Condition Due to Breached Fire Barrier | Safe Shutdown Unanalyzed Condition Fire Barrier Temporary Modification Fire Protection Program |
L-PI-06-046, Cancellation of Licensee Event Report (LER) 1-05-01, Discovery of Single Failure Vulnerability of Unit 1 Safeguards Buses | 9 June 2006 | Cancellation of Licensee Event Report (LER) 1-05-01, Discovery of Single Failure Vulnerability of Unit 1 Safeguards Buses | Hot Short |