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List of results

• 05000366/LER-2016-001, Regarding 2C EDG Fuel Oil Relief Valve Leakage Caused Train Inoperability  + (Regarding 2C EDG Fuel Oil Relief Valve Leakage Caused Train Inoperability)
• 05000237/LER-2015-002, Regarding 2C ERV Failed to Actuate During Extent of Condition Testing  + (Regarding 2C ERV Failed to Actuate During Extent of Condition Testing)
• 05000366/LER-2016-003, Regarding 2C Emergency Diesel Generator Inoperable Due to Low Lube Oil Pressure  + (Regarding 2C Emergency Diesel Generator Inoperable Due to Low Lube Oil Pressure)
• 05000364/LER-2013-001, Regarding 2C Steam Generator Flow Transmitter Inoperable Longer than Allowed by Technical Specifications  + (Regarding 2C Steam Generator Flow Transmitter Inoperable Longer than Allowed by Technical Specifications)
• 05000382/LER-2009-001, Regarding 3.0.4 Violation: Mode Change with an Inoperable Emergency Feedwater Pump  + (Regarding 3.0.4 Violation: Mode Change with an Inoperable Emergency Feedwater Pump)
• 3F0611-01, Regarding 30-Day Response to NRC Bulletin 2011-01 Mitigation Strategies  + (Regarding 30-Day Response to NRC Bulletin 2011-01 Mitigation Strategies)
• 05000237/LER-2005-001, Regarding 4160 Volt Relaying and Metering Single Failure Vulnerability  + (Regarding 4160 Volt Relaying and Metering Single Failure Vulnerability)
• 05000293/LER-2015-004, Regarding 480 Volt Bus B6 Auto Transfer Function Degraded  + (Regarding 480 Volt Bus B6 Auto Transfer Function Degraded)
• 05000293/LER-2015-004-01, Regarding 480V Bus B6 Auto Transfer Function Degraded  + (Regarding 480V Bus B6 Auto Transfer Function Degraded)
• 05000260/LER-2012-003, Regarding 480V Reactor Motor Operated Valve Board 2E Failed to Manually Transfer to Alternate Power  + (Regarding 480V Reactor Motor Operated Valve Board 2E Failed to Manually Transfer to Alternate Power)
• 05000251/LER-2009-001, Regarding 4B Emergency Diesel Generator Inoperable Due to Air-bound Main Fuel Pump  + (Regarding 4B Emergency Diesel Generator Inoperable Due to Air-bound Main Fuel Pump)
• 05000296/LER-1917-002, Regarding 4kV Shutdown Board Potential Transformer Primary Fuses Do Not Coordinate with Secondary Fuses  + (Regarding 4kV Shutdown Board Potential Transformer Primary Fuses Do Not Coordinate with Secondary Fuses)
• 05000397/LER-2009-004, Regarding 6.9 Kv Non-Segregated Electrical Bus Failure  + (Regarding 6.9 Kv Non-Segregated Electrical Bus Failure)
• 05000311/LER-2016-001, Regarding AFW Loop Response Time Exceeded Technical Specifications  + (Regarding AFW Loop Response Time Exceeded Technical Specifications)
• 05000361/LER-2012-001, Regarding AFW Pump Inoperable Due to Postulated Flooding Event Results in Condition Prohibited by TS  + (Regarding AFW Pump Inoperable Due to Postulated Flooding Event Results in Condition Prohibited by TS)
• 05000482/LER-1917-003, Regarding ARV and MSSV Tornado Missile Vulnerabilities Result in Unanalyzed Condition  + (Regarding ARV and MSSV Tornado Missile Vulnerabilities Result in Unanalyzed Condition)
• 05000321/LER-2007-002, Regarding ATTS Card Failure Results in High Pressure Coolant Injection System Isolation  + (Regarding ATTS Card Failure Results in High Pressure Coolant Injection System Isolation)
• 05000483/LER-2010-006, Regarding Absence of Vent Valve in RHR Heat Exchanger B Discharge Line Resulted in Incomplete TS Surveillance  + (Regarding Absence of Vent Valve in RHR Heat Exchanger B Discharge Line Resulted in Incomplete TS Surveillance)
• 05000390/LER-2003-005, Regarding Accident Mitigation System Degraded Due to Both Trains of ABGTS Inoperable  + (Regarding Accident Mitigation System Degraded Due to Both Trains of ABGTS Inoperable)
• 05000352/LER-2006-003, Regarding Accident Monitoring Instrument Channel Inoperable for Longer than Technical Specification AOT  + (Regarding Accident Monitoring Instrument Channel Inoperable for Longer than Technical Specification AOT)
• 05000443/LER-2004-002, Regarding Accident Monitoring Instrumentation Inoperable Due to Recorder Malfunction  + (Regarding Accident Monitoring Instrumentation Inoperable Due to Recorder Malfunction)
• ML070520450  + (Regarding Accident Sequence Precursor Analysis of the May 20, 2006 Operational Event, LER 413/06-001)
• ML17125A291  + (Regarding Accident Sequence Precursor Analysis)
• 05000397/LER-2013-006, Regarding Accidental Switch Bump Makes Hig Pressure Core Spray and Diesel Inoperable  + (Regarding Accidental Switch Bump Makes Hig Pressure Core Spray and Diesel Inoperable)
• 05000529/LER-2004-003, Regarding Actuation of Plant Emergency Diesel Generators  + (Regarding Actuation of Plant Emergency Diesel Generators)
• 05000219/LER-2004-003, Regarding Actuation of Reactor Protection System Due to Spurious HI-HI Trip Signals on Intermediate Range Monitors Caused by Electromagnetic Interference  + (Regarding Actuation of Reactor Protection System Due to Spurious HI-HI Trip Signals on Intermediate Range Monitors Caused by Electromagnetic Interference)

• 05000446/LER-2003-005, Regarding Actuation of Reactor Protection System  + (Regarding Actuation of Reactor Protection System)
• 05000445/LER-2003-002, Regarding Actuation of Reactor Protection System  + (Regarding Actuation of Reactor Protection System)

• 05000219/LER-2003-003, Regarding Actuation of Reactor Protection System Due to Grid Transient  + (Regarding Actuation of Reactor Protection System Due to Grid Transient)
• 05000275/LER-2013-003-01, Regarding Actuation of Six Emergency Diesel Generators Due to Loss of Offsite Power  + (Regarding Actuation of Six Emergency Diesel Generators Due to Loss of Offsite Power)
• 05000275/LER-2013-003, Regarding Actuation of Six Emergency Diesel Generators Due to Loss of Offsite Power  + (Regarding Actuation of Six Emergency Diesel Generators Due to Loss of Offsite Power)
• 05000390/LER-1917-010, Regarding Actuation of Turbine Driven Auxiliary Feedwater Pump Due to Loss of 6.9kV Shutdown Board  + (Regarding Actuation of Turbine Driven Auxiliary Feedwater Pump Due to Loss of 6.9kV Shutdown Board)
• 05000395/LER-1917-004, Regarding Actuation of a Emergency Diesel Generator  + (Regarding Actuation of a Emergency Diesel Generator)
• 05000219/LER-2005-004, Regarding Actuation of an Emergency Diesel Generator Due to Unexpected Breaker Opening  + (Regarding Actuation of an Emergency Diesel Generator Due to Unexpected Breaker Opening)
• 05000410/LER-2014-004, Regarding Actuation of the Alternate Rod Insertion System and Subsequent Reactor Scram  + (Regarding Actuation of the Alternate Rod Insertion System and Subsequent Reactor Scram)
• 05000458/LER-2016-004, Regarding Actuation of the Division 1 Emergency Diesel Generator and Primary Containment Isolation Logic Due to Partial Loss of Offsite Power  + (Regarding Actuation of the Division 1 Emergency Diesel Generator and Primary Containment Isolation Logic Due to Partial Loss of Offsite Power)
• 05000302/LER-2004-001, Regarding Actuation of the Reactor Protection System and Emergency Feedwater System Caused by a Failed Circuit Board within the Main Feedwater Integrated Control System on March 24, 2004  + (Regarding Actuation of the Reactor Protection System and Emergency Feedwater System Caused by a Failed Circuit Board within the Main Feedwater Integrated Control System on March 24, 2004)
• ML040081015  + (Regarding Administration of Licensing Examinations Week of May 3, 2004)
• ULNRC-05952, Regarding Adoption of National Fire Protection Association Standard NFPA 805  + (Regarding Adoption of National Fire Protection Association Standard NFPA 805)
• 05000457/LER-2014-002, Regarding Age Related Degradation of Heat Trace Leads to Refueling Water Storage Tank Vent Path Temperature Decreasing Below Technical Specification Value  + (Regarding Age Related Degradation of Heat Trace Leads to Refueling Water Storage Tank Vent Path Temperature Decreasing Below Technical Specification Value)
• 05000250/LER-2006-007, Regarding Age-Related Capacitor Failure Causes One Low Pressurizer Pressure Protection Channel to Be Inoperable  + (Regarding Age-Related Capacitor Failure Causes One Low Pressurizer Pressure Protection Channel to Be Inoperable)
• 05000249/LER-2016-001, Regarding Alert Declared from Unit 3 HPCI Auxiliary Oil Pump Motor Fire  + (Regarding Alert Declared from Unit 3 HPCI Auxiliary Oil Pump Motor Fire)
• 05000483/LER-2014-005, Regarding All ECCS Accumulator Isolation Valve Operator Breakers Closed in Mode 3 with RCS Pressure Greater than 1000 PSIG  + (Regarding All ECCS Accumulator Isolation Valve Operator Breakers Closed in Mode 3 with RCS Pressure Greater than 1000 PSIG)
• 05000440/LER-2005-002, Regarding All Emergency Diesel Generators Declared Inoperable Due to Degraded Testable Rupture Discs  + (Regarding All Emergency Diesel Generators Declared Inoperable Due to Degraded Testable Rupture Discs)
• 05000454/LER-2006-002, Regarding All Refueling Water Storage Tank Level Instrumentation Channels Made Inoperable During a Single Channel Calibration Activity Due to a Design Flaw  + (Regarding All Refueling Water Storage Tank Level Instrumentation Channels Made Inoperable During a Single Channel Calibration Activity Due to a Design Flaw)
• 05000275/LER-2013-004, Regarding All Three Unit 1 Emergency Diesel Generators Momentarily Inoperable  + (Regarding All Three Unit 1 Emergency Diesel Generators Momentarily Inoperable)
• ML22046A245  + (Regarding Alternative to Implement Code Case OMN-22, Smooth Running Pumps)
• ML101670113  + (Regarding Amendment Request for Approval of the Cyber Security Plan)
• ML11213A001  + (Regarding Amendments to Adopt Technical Specification Task Force (TSTF)-425, Revision 3, for the Relocation of Specific Surveillance Frequency Requirements to a Licensee Controlled Program)
• ML14083A617  + (Regarding Ameren Missouri License Renewal Amendment 31, National Fire Protection Association 805 Changes to the Callaway Plant, Unit 1, License Renewal Application)
• 05000440/LER-1917-003, Regarding Annulus Exhaust Gas Treatment System Loss of Safety Function  + (Regarding Annulus Exhaust Gas Treatment System Loss of Safety Function)
• 05000296/LER-2012-001, Regarding Annunciator Panel Power Supply Fire in Unit 3 Control Room  + (Regarding Annunciator Panel Power Supply Fire in Unit 3 Control Room)