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 Issue dateTitleTopic
05000316/LER-2017-00119 May 20171 OF 5
LER 17-001-00 for Cook, Unit 2 re Containment Hydrogen Skimmer Ventilation Fan #1 Inoperable Longer than Allowed by Technical Specifications
Safe Shutdown
Past operability
Probabilistic Risk Assessment
Large early release frequency
05000316/LER-2016-0029 February 2017Emergency Diesel Generators Declared Inoperable Due to a Manufacturing Design Issue
LER 16-002-00 for Donald C. Cook Nuclear Plant Unit 2 Regarding Emergency Diesel Generators Declared Inoperable Due to a Manufacturing Design Issue
Past operability
Probabilistic Risk Assessment
05000316/LER-2016-00131 August 2016Manual Reactor Trip Due To Moisture Separator Heater Expansion Joint Failure
LER 16-001-00 for Donald C. Cook Nuclear Plant, Unit 2 Regarding Manual Reactor Trip Due To Moisture Separator Heater Expansion Joint Failure
Probabilistic Risk Assessment
ML16193A39015 July 2016Donald C. Cook Nuclear Plant Unit 2 - A Loss of Main Condenser Event Occurred Due to a Storm-Induced Debris Damage of the Circulating Water System Pumps in the Forebay (LER-316-2014-003-00)
05000315/LER-2015-00218 January 2016-Technical Specification Violation due to Inoperable Residual. Heat Removal Pump
LER 15-002-01 for D.C. Cook, Unit 1, Regarding Technical Specification Violation Due to Inoperable Residual Heat Removal Pump
Mission time
Probabilistic Risk Assessment
Large early release frequency
05000316/LER-2015-00115 January 2016Manual Reactor Trip Due To A Secondary Plant Transient
LER 15-001-01 for D.C. Cook, Unit 2, Regarding Manual Reactor Trip Due to a Secondary Plant Transient
Shutdown Margin
Probabilistic Risk Assessment
Temporary Modification
ML0528703605 October 2005Special Report for D. C. Cook Unit 2 Re Unit 2 Reactor Coolant Inventory Tracking SystemPost Accident Monitoring
ML05089034522 March 2005LER 99-001-01 Donald C. Cook Nuclear Plant Unit 2, Regarding Supplemental LER for Degraded Component Cooling Water Flow to Containment Main Steam Line PenetrationsUnanalyzed Condition
Temporary Modification
ML02106014312 April 2002LER 02-02-00, Donald C. Cook Nuclear Plant Unit 2, Technical Specification 3.9.4.c Was Violated During Core Alteration
ML02092053415 March 2002LER 99-012-01 for Cook Nuclear Plant, Unit 1 Re Auxiliary Building ESF Ventilation System May Not Be Capable of Maintaining ESF Room Temperature Post-Accident
ML99363005120 December 1999LER 99-S004-00, Intentionally Falsifying Documentation Results in Unauthorized Unescorted Access, on 11/18/99. with Letter Dated 12/20/99
ML99340024129 November 1999LER 315/99-027-00, Underrated Fuses Used in 250 Vdc System Could Result in Lack of Protective CoordinationUnanalyzed Condition
Operability Determination
ML18219B52027 September 197809/27/1978 Letter Enclosure of Licensee Event Report
ML18219E15227 September 1978Submit Licensee Event Report Nos. RO 78-051/03L-0 & RO 78-052/03L-0
ML18219B52119 September 197809/19/1978 Letter Enclosure of Licensee Event Report
ML18219E15318 September 1978Submit Licensee Event Report No. RO 78-050/03L-0
ML18219B55418 September 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Report (RO 78-062/03L-0)
ML18219B55512 September 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Reports (RO 78-56/03L-1 and RO 78-061/03L-0)
ML18219E15412 September 1978Submit Licensee Event Report No. RO 78-049/03L-0
ML18219B5568 September 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Reports (RO 78-059/03L-1 and RO 78-060/03L-0)
ML18219E1558 September 1978Submit Licensee Event Report No. RO 78-048/03L-0
ML18219B5575 September 1978Letter from Indiana & Michigan Power Co to NRC Submitting License Event Report RO 78-059/03L-0
ML18219B55830 August 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Report RO 78-058/03L-0
ML18219B56222 August 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Reports (RO 78-056/03L-0 and RO 78-057/03L-0)Stroke time
ML18219B56118 August 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Reports (RO 78-052/03L-0, RO 78-053/03L-0, RO 78-054-03L-0 and RO 78-055/03L-0)
ML18219E15615 August 1978Submit Licensee Event Report No. RO 78-047/03L-0
ML18219E15714 August 1978Submit Licensee Event Report Nos. RO 78-045/03L-0 & RO 78-046/03L-0
ML18219E15814 August 1978Submit Licensee Event Report Nos. RO 78-043/03L-1 & RO 78-044/03L-1
ML18219E16011 August 1978Submit Licensee Event Report Nos. 1978-043-03L & 1978-044-03L
ML18219B56410 August 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Report (RO 78-051/03L-0)
ML18219B5659 August 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Report (RO 78-049/03L-1)
ML18219B5668 August 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Report (RO 78-050/03L-0)
ML18219B5674 August 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Report (RO 78-049/03L-0)
ML18219B5682 August 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Reports (RO 78-029/03L-1 and RO 78-048/03L-0)
ML18219B56921 July 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Reports (RO 78-019/03L-1 and RO 78-023/03L-1)
ML18219B57018 July 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Report (RO 78-047/03L-0)
ML18219B57111 July 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Report (RO 78-043/03L-0), Submitted Late Due to a Paper Defect
ML18219B57211 July 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Reports (RO 78-034/03L-1, RO 78-044/03L-0, RO 78-045/03L-0, RO 78-046/03L-0)Boric Acid
ML18219B5735 July 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Report (RO 78-042/03L-0)
ML18219B57529 June 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Report (RO 50-316/78-037), Stating Corrective Actions Taken
IR 05000316/197803729 June 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Report (RO 50-316/78-037), Stating Corrective Actions Taken
ML18219B57722 June 1978D.C. Cook - Submit Licensee Event Report RO 78-036/03L-0 for Unit 2
ML18219B57621 June 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Report (RO 78-035/03L-0), a Resubmittal of LER 78-034/03L-0 Dated 6/19/1978
IR 05000316/197803419 June 1978D.C. Cook - Submit Licensee Event Report RO 50-316/78-034/03L-0 for Unit 2Unidentified leakage
ML18219B57819 June 1978D.C. Cook - Submit Licensee Event Report RO 50-316/78-034/03L-0 for Unit 2
ML18219B5226 June 197806/06/1978 Letter Licensee Event Report
ML18219B5743 June 1978Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Reports (RO 78-038/03L-0, RO 78-039/03L-0, RO 78-040/03L-0, RO 78-041/03L-0)
ML18219B5242 June 197806/02/1978 Letter Licensee Event Report
ML18219B5232 June 197806/02/1978 Letter Licensee Event Report
ML18219B52525 May 197805/25/1978 Letter Licensee Event ReportPacking leak