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| Issue date | Title | Topic | |
|---|---|---|---|
| 05000461/LER-2017-010 | 5 February 2018 | Division 1 Transformer Failure Leads to Instrument Air Isolation to Containment Requiring a Manual Reactor Scram LER 17-010-00 for Clinton Power Station, Unit 1 Regarding Division 1 Transformer Failure Leads to Instrument Air Isolation to Containment Requiring a Manual Reactor Scram | Unanalyzed Condition |
| 05000461/LER-2017-009 | 4 January 2018 | Trip of Emergency Reserve Auxiliary Transformer Static VAR Compensator Causes Positive Secondary Containment Pressure Following Voltage Transient on 138 kV Offsite Source. LER 17-009-00 for Clinton, Unit 1, Regarding Trip of Emergency Reserve Auxiliary Transformer Static VAR Compensator Causes Positive Secondary Containment Pressure Following Voltage Transient on 138 kV Offsite Source | |
| 05000461/LER-2017-005 | 28 September 2017 | Automatic Reactor Scram During the Performance of Scram Time Testing As a Result of an Invalid Oscillation Power Range Monitor Growth Rate Trip LER 17-005-01 for Clinton, Unit 1 Regarding Automatic Reactor Scram During the Performance of Scram Time Testing As a Result of an Invalid Oscillation Power Range Monitor Growth Rate Trip | |
| 05000461/LER-2017-008 | 11 August 2017 | Division 3 Shutdown Service Water Pump Start Failure LER 17-008-00 for Clinton, Unit 1 re Division 3 Shutdown Service Water Pump Start Failure | |
| 05000461/LER-2017-007 | 9 August 2017 | Manual Reactor SCRAM due to Loss of Feedwater Heating LER 17-007-00 for Clinton, Unit 1 re Manual Reactor SCRAM due to Loss of Feedwater Heating | |
| 05000461/LER-2017-006 | 1 August 2017 | 1 OF 3 LER 17-006-00 for Clinton, Unit 1 re Secondary Containment Inoperable During Mode Change Due to Doors Propped Open | |
| 05000461/LER-2017-004 | 10 July 2017 | Main Steam Isolation Valve Local Leak Rate Test Limit Exceeded During Refueling Outage LER 17-004-00 For Clinton Power Station, Unit 1 Re: Main Steam Isolation Valve Local Leak Rate Test Limit Exceeded During Refueling Outage | Time of Discovery |
| 05000461/LER-2017-002 | 5 July 2017 | Failure of the Division 1 Diesel Generator Ventilation Fan Load Sequence Relay Circuit During Concurrent Maintenance of RHR Division 2 Results in an Unanalyzed Condition LER 17-002-01 for Clinton, Unit 1, Regarding Failure of the Division 1 Diesel Generator Ventilation Fan Load Sequence Relay Circuit During Concurrent Maintenance of RHR Division 2 Results in an Unanalyzed Condition | Unanalyzed Condition Commercial Grade Dedication |
| U-604357, Special Report: Inoperable Drywall High Range Gamma Radiation Monitor | 5 July 2017 | Special Report: Inoperable Drywall High Range Gamma Radiation Monitor | Post Accident Monitoring |
| 05000461/LER-2017-003 | 3 July 2017 | Implementation of Enforcement Guidance Memorandum (EGM) 11 - 003, Revision 3 LER 17-003-00 for Clinton Power Station, Unit 1 Regarding Implementation of Enforcement Guidance Memorandum (EGM) 11-003, Revision 3 | Water Inventory Control Preplanned Activity |
| 05000461/LER-2017-001 | 21 April 2017 | Failure of the 138 kV Offsite Power Source Results in a Loss of Secondary Containment Vacuum LER 17-001-00 for Clinton, Unit 1, Regarding Failure of the 138 kV Offsite Power Source Results in a Loss of Secondary Containment Vacuum | High winds |
| 05000461/LER-2016-010 | 6 March 2017 | 1 OF 3 LER 16-010-01 for Clinton Power Station, Unit 1 RE: Failure to Complete Technical Specification Required Actions within the Completion Time Resulted in a Condition Prohibited by Technical Specifications | Surveillance Frequency Control Program Grace period |
| 05000461/LER-2016-009 | 22 August 2016 | Trip of Fuel Building Fans Due to Damper Failure Results in Loss of Secondary Containment LER 16-009-00 for Clinton Power Station, Unit 1 Regarding Trip of Fuel Building Fans Due to Damper Failure Results in Loss of Secondary Containment | |
| 05000461/LER-2016-007 | 15 July 2016 | Main Steam Line Flexible Hose Intergranular Stress Corrosion Cracking Identified During Refueling Outage LER 16-007-00 for Clinton Power Station, Unit 1, Regarding Main Steam Line Flexible Hose lntergranular Stress Corrosion Cracking Identified During Refueling Outage | Pressure Boundary Leakage |
| 05000461/LER-2016-008 | 15 July 2016 | Implementation of Enforcement Guidance Memorandum (EGM) 11-003, Revision 3 LER 16-008-00 for Clinton Power Station, Unit 1, Regarding Implementation of Enforcement Guidance Memorandum (EGM) 11-003, Revision 3 | Preplanned Activity |
| 05000461/LER-2016-006 | 10 June 2016 | Missed Surveillance Results in a Condition Prohibited by Technical Specifications LER 16-006-00 for Clinton Power Station Unit 1 RE: Missed Surveillance Results in a Condition Prohibited by Technical Specifications | Missed surveillance Abnormal operational transient Fuel cladding |
| 05000461/LER-2016-005 | 31 May 2016 | Insulator Failure On the Reserve Auxiliary Transformer Results In A Loss of Secondary Containment Vacuum LER 16-005-00 for Clinton Power Station, Unit 1, Regarding Insulator Failure on the Reserve Auxiliary Transformer Results in a Loss of Secondary Containment Vacuum | |
| 05000461/LER-2016-004 | 26 May 2016 | Trip of Emergency Reserve Auxiliary Transformer Static VAR Compensator Causes Positive Secondary Containment Pressure Following Lightning Strike on 138 kV Offsite Source LER 16-004-00 for Clinton, Unit 1, Regarding Trip of Emergency Reserve Auxiliary Transformer Static VAR Compensator Causes Positive Secondary Containment Pressure Following Lightning Strike on 138 kV Offsite Source | |
| 05000461/LER-2016-003 | 23 May 2016 | Bypassing Both Divisions of Reactor Water Cleanup Leak Detection System is a Reportable Loss of Safety Function LER 16-003-00 for Clinton Power Station, Unit 1 Regarding Bypassing Both Divisions of Reactor Water Cleanup Leak Detection System is a Reportable Loss of Safety Function | |
| 05000461/LER-2016-002 | 13 April 2016 | Trip of Fuel Building Ventilation Exhaust Fan Due to Moisture Formation Resulting In the Loss of Secondary Containment Vacuum LER 16-002-00 for Clinton, Unit 1, Regarding Trip of Fuel Building Ventilation Exhaust Fan Due to Moisture Formation Resulting In the Loss of Secondary Containment Vacuum |