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This page provides a simple browsing interface for finding entities described by a property and a named value. Other available search interfaces include the page property search, and the ask query builder.

List of results

• 05000237/LER-1977-057, /01T-0 for Dresden, Unit 2 Re While in Refuel Mode During Refueling, CRD D-2 Select Switch Allowed Two Drives to Be Simultaneously Selected Defeating the Refuel Mode one-rod-permissive, Contrary to T.S. 3.10.D.1  + (16:18:56, 8 January 2025)
• 05000237/LER-1977-058, /01T-0 for Dresden, Unit 2 Re During Refueling Tests Required by LLRT Procedure Dts 1600-1, Torus Air Sample Line Isolation Valves 8501-1A and 1B Had Through Leakage in Excess of Single Valve Ad Penetration Limits  + (16:18:57, 8 January 2025)
• 05000237/LER-1977-059, /03L-0 for Dresden, Unit 2 Re During Normal Operation, Surveillance Program Review Revealed Violation of T.S. 1.0.CC.b Maximum Combined Interval Time by 6.5 Days for HPCI Monthly Valve and Pump Operability  + (16:19:02, 8 January 2025)
• 05000237/LER-1977-051, /03L-0 for Dresden, Units 2 and 3 Re During Surveillance, Diesel Tripped Resulting in Operation of Unit 3 in Degraded Mode Permitted by T.S. 3.9.B.2  + (16:19:06, 8 January 2025)
• 05000237/LER-1978-042, /03L-0 for Dresden, Unit 2 Re During Weekly Turbine Control Vlv Exercising 3 Control Vlv Failed to Fast Close at the 10% Vlv Position  + (16:19:08, 8 January 2025)
• 05000237/LER-1977-056, /03X-2 for Dresden, Unit 2 Re While Unit Was Shut Down for Refueling, Service Water Samples Were Taken at All Containment Cooling Heat Exchangers  + (16:19:10, 8 January 2025)
• ML17252B496  + (16:19:11, 8 January 2025)
• 05000237/LER-1978-044  + (16:19:12, 8 January 2025)
• 05000237/LER-1978-043, /03L-0 for Dresden, Unit 2 Re During Unit start-up, While Pulling CRDs to Criticality on Sequence a the RWM Malfunctioned Causing Rod Insert and Withdraw Blocks  + (16:19:13, 8 January 2025)
• 05000237/LER-1978-045, /03L-0 for Dresden, Unit 2 Re While Performing Monthly Surv. Dis 1400-3, Auto Blow-down Permissive Sw. Ps 2-1430-1466D Tripped at 120 Psig  + (16:19:15, 8 January 2025)
• 05000237/LER-1978-028, /01X-1 for Dresden, Units 2 and 3 Re NRC Request for Immediate Actions to Be Taken to Mitigate the Potential for a Spurious Closure of a Recirculation Loop Suction Valve with a LOCA Occurring Between the Loop Discharge and Suct  + (16:19:17, 8 January 2025)
• 05000237/LER-1978-046, /03L-0 for Dresden, Unit 2 Re Drywell Inspection Was Made After Observing Increased Leakage Into Equipment and Floor Drain Sumps  + (16:19:18, 8 January 2025)
• 05000237/LER-1978-047, /03L-0 for Dresden, Unit 2 Re During Shutdown While Performing Monthly Sblc Tank Boron Concentration Surv., the Volume/Concentration Parameters of Sblc Tank Were Found Outside Tech. Spec. Limits  + (16:19:22, 8 January 2025)
• ML17252B488  + (16:19:23, 8 January 2025)
• 05000237/LER-1976-064, For Dresden, Unit 2 Re Reportable Occurrence Report Submitted with Technical Specifications, Section 6.6.B. Without Enclosures  + (16:19:24, 8 January 2025)
• 05000237/LER-1976-062, Re Upon Completion of Routine Diesel Generator Surveillance Testing, Control Switch Was Placed in the Stop Position, Generator Output Subsequently Became Erratic, Generator Voltage Began Oscillating  + (16:19:32, 8 January 2025)
• 05000237/LER-1976-061, Re During Testing of HPCI Test Return Line, Which Was Suspected to Be Leaking, Was Found That Contamination Demineralized Water Was in Fact Leaking from the Underground Pipe Into the Storm Sewer  + (16:19:34, 8 January 2025)
• 05000237/LER-1976-060, Re Discovery of Water Leakage in Diesel Generator Room Led Identification of Small Hole in HPCI Test Return Line at Condensate Storage Tank  + (16:19:35, 8 January 2025)
• 05000237/LER-1976-058, Re During Pump Operability Testing, Core Spray System Test Valve Failed to Close Against Pump Pressure  + (16:19:38, 8 January 2025)
• 05000237/LER-1976-059, Re Review of Quad-Cities Unusual Event Letter Led to Discovery That Dresdens Standby Gas Treatment System Deviated from Single Failure Criteria That Disabled the SBGT System  + (16:19:39, 8 January 2025)
• 05000237/LER-1976-057, Re Instrument Trip Point for Isolation Was Found at 115.6 Inches H1O Dp During Routine Monthly Surveillance Testing of Reactor Water Level  + (16:19:41, 8 January 2025)
• 05000237/LER-1976-055, For Dresden, Units 2 and 3 Re Following Inspection, Post-Maintenance Surveillance Test Was Performed on a Standby Gas Train. Maximum Attainable Flow Was Below the Tech Spec Limit  + (16:19:42, 8 January 2025)
• 05000237/LER-1976-051, Regarding Failure of Unit 2/3 Diesel Fire Pump to Start During Routine Surveillance Testing  + (16:19:44, 8 January 2025)
• 05000237/LER-1976-052, Regarding Discovery of Drywell High Pressure ECCS Initiation Switch Ps 1632A to Actuate at 2.04 PSI, Which Is Above the Technical Specification Limit  + (16:19:46, 8 January 2025)
• 05000237/LER-1976-048, Regarding Discovery of the APRM Channel 5 Indication Had Dropped from 54% to 31%  + (16:19:48, 8 January 2025)

• 05000237/LER-1976-049, Regarding Discovery of Core Spray Outboard Injection Valve Mo 2-1402-24B Lost Open/Closed Indication and Could Not Be Electrically Reopened  + (16:19:49, 8 January 2025)

• 05000237/LER-1976-050, Regarding Discovery of the Diesel Generator Cooling Water Pump Breaker in the Tripped Condition  + (16:19:51, 8 January 2025)
• 05000237/LER-1976-047, Regarding Starting Failure of LPCI Pump 2C for Use in Maintaining Torus Water Temperature Requirements  + (16:19:56, 8 January 2025)
• 05000237/LER-1976-045, Regarding Discovery of Sustained High Reactor Pressure Switch 2-263-53C to Actuate 5 PSI Above the Technical Specification Limit  + (16:19:57, 8 January 2025)
• 05000237/LER-1976-044, Regarding Discovery of LPCI Permissive Pressure Switch 2-263-52A to Actuate at 367 PSI, Which Is Above the Technical Specification Limit  + (16:19:59, 8 January 2025)
• 05000237/LER-1976-018, Regarding Discovery of Feedwater Isolation Check Valves 2-220-58B and -62B to Exceed the 29.381 Scfh Technical Specification Limit  + (16:20:01, 8 January 2025)
• 05000237/LER-1976-041, Regarding Discovery of Pressure Switch Ps 2-263-55C to Actuate at 1072 PSI, or 2 PSI Above the Technical Specification Limit  + (16:20:02, 8 January 2025)
• 05000237/LER-1976-042, Regarding Discovery of Pressure Switch Ps 2-263-55A to Actuate at 1072 PSI, Which Is Above the Technical Specification Limit  + (16:20:04, 8 January 2025)
• 05000237/LER-1975-051, For Dresden Unit 2 Regarding Report of Unit-2 High Torus Water Level Exceeding the Technical Specifications Limit  + (16:20:05, 8 January 2025)
• 05000237/LER-1975-052, For Dresden Unit 2 Regarding a Report of Rapid Closure of Unit-2 Main Steam Isolation Valve 203-1C  + (16:20:07, 8 January 2025)
• ML17252B457  + (16:20:08, 8 January 2025)
• ML17252B458  + (16:20:08, 8 January 2025)
• 05000237/LER-1975-044, A-00 for Dresden Unit 2 Supplemental Report to Letter Dated October 2, 1975, Entitled Unit-2 Diesel Generator Failure to Start  + (16:20:10, 8 January 2025)
• 05000237/LER-1975-038, A-00 for Dresden Unit 2 Supplemental Report to Letter Dated June 25, 1975, Entitled Failure of Valve MO-2-1301-2 to Operate  + (16:20:11, 8 January 2025)
• 05000237/LER-1976-001, Regarding Receipt of Oscillograph Alarms on the 138KV Yard and Observance of Ocb Bus 1 Disconnect to Be Arcing and Glowing  + (16:20:13, 8 January 2025)
• 05000237/LER-1976-002, Regarding an Occurrence of a Reactor Scram on Low Vacuum After Condenser Vacuum Was Broken While Unit Was Down for Maintenance  + (16:20:15, 8 January 2025)
• 05000237/LER-1976-003, Regarding Discovery of B Tip Probe at Position 9557, Which Is Past the Normal In-Shield Position of 9649  + (16:20:17, 8 January 2025)
• 05000237/LER-1976-004, Regarding Discovery of the Drywell High Pressure Scram Sensor PS-2-1621-B to Be Set 0.07 PSI Beyond the Technical Specification Limit of 2.00 PSI  + (16:20:19, 8 January 2025)
• 05000237/LER-1976-005, Regarding Discovery of Isolation Condenser Condensate High Flow DPIS 1349B to Actuate at 33.0 Inches Dp Increasing Which Is Above the Technical Specifications  + (16:20:20, 8 January 2025)
• 05000237/LER-1976-009, Regarding HPCI Steam Supply Valve 2-2301-4 Closing and Failure to Reopen During the Quarterly Timing Test  + (16:20:22, 8 January 2025)
• 05000237/LER-1976-007, Regarding Discovery of the Drywell-To-Torus Dp Dropping to .95 and Below 1.00  + (16:20:27, 8 January 2025)
• 05000237/LER-1976-012, Regarding Discovery of the 2A LPCI Pump Breaker to Be Out of Service  + (16:20:29, 8 January 2025)
• 05000237/LER-1976-013, Regarding Discovery of Drain Valve 2-4999-74 to Be Blocked Open Mechanically and Electrically Inoperable  + (16:20:30, 8 January 2025)
• 05000237/LER-1976-019, Regarding the Discovery of Loose Retainer Clamp Bolt Keepers on 19 of 20 Jet Pumps  + (16:20:32, 8 January 2025)
• 05000237/LER-1976-021, Regarding Discovery of an Indication in the Isolation Condenser Sensitized Stainless Steel Safe-End  + (16:20:35, 8 January 2025)
• 05000237/LER-1976-016, Regarding a Discovery of a Through-Wall Crack in the 14-Inch HPCI Sensitized Stainless Steel Safe-End  + (16:20:37, 8 January 2025)