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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
- ML20084G179 + (08:23:43, 26 May 2025)
- 05000259/LER-1982-064, Updated LER 82-064/03X-1:on 820823 & Jan 1984,Station II Cable Tray Fixed Spray Sys Did Not Meet Tech Spec Requirements.Caused by Restriction in Supply Line Strainer Due to Buildup of Silt & Clam Shells + (08:23:55, 26 May 2025)
- L-75-282, Advises That Insp of Inaccessible safety-related Hydraulic Pipe Restraints Completed on 750525.Adjusting Turnbuckle Locknuts on One Restraint Vibrated Loose.Turnbuckle Reinstalled & Locknuts Tightened + (08:24:03, 26 May 2025)
- ML20084F979 + (08:24:06, 26 May 2025)
- L-75-405, Advises That Insp of safety-related Hydraulic Pipe Restraints Located Inside Containment Completed on 750804. All Restraints Operable + (08:24:07, 26 May 2025)
- ML20084F626 + (08:24:46, 26 May 2025)
- L-75-584, Submits Results of Liquid Penetrant & Ultrasonic Volumetric Exams of All Six Reactor Pressure Vessel Nozzle Safe End Welds.No Recordable Indications Produced During Liquid Penetrant Exam.Unit 4 to Be Examined During Spring 1976 + (08:24:52, 26 May 2025)
- 05000333/LER-1995-009, :on 950425,partial Invalid Isolation of Reactor Bldg Ventilation Occurred Due to Jumper Sliding Off Terminal & Striking Nearby Cable Connector.Continued W/Existing Mod Intended to Improve Attachment of Jumpers + (08:26:39, 26 May 2025)
- ML20084E041 + (08:27:44, 26 May 2025)
- ML20084D988 + (08:27:52, 26 May 2025)
- ML20084D985 + (08:27:54, 26 May 2025)
- L-75-591, Informs of Insp Completion Re safety-related Hydraulic Pipe Restraints Located Inside Containment,On 751207,per Directorate of Licensing .All Restraints in Satisfactory Condition + (08:28:22, 26 May 2025)
- 05000263/LER-1984-014, :on 840322,lightning Arrestor Assembly Failed, Causing Full 3-phase Fault Affecting Nearly Entire Area Distribution Sys.Caused by Mechanical Failure.Affected Sys Reset & Returned to Normal + (08:28:37, 26 May 2025)
- 05000302/LER-1983-003-03, Containment Isolation Valve MUV-41 Declared Inoperable.Caused by Stripped Gear Train Due to Lack of Lubrication.Gears Replaced & Lubricated + (08:28:38, 26 May 2025)
- 05000362/LER-1984-013-01, :on 840330 & 0401,following Reactor Shutdown for Maint,Rcs Exceeded 1.0 Uci/G Dose Equivalent I-131. Caused by Iodine Spiking Following Power Change.Purification Flow Increased & RCS Activity Reduced + (08:28:41, 26 May 2025)
- 05000313/LER-1995-006, :on 950423,TS Required Daily Battery Surveillance Test Had Not Been Performed.Caused by Personnel Error.Survey Surveillance Checks by Operations Crew Added as Method of Assuring Completion + (08:28:43, 26 May 2025)
- 05000328/LER-1984-005-03, :on 840329,Surveillance Instruction 269, Channel Function Test of ESF Instrumentation for Automatic Switchover to Containment Sump, Not Completed Per Tech Specs.Scheduling & Tracking Program Modified + (08:29:38, 26 May 2025)
- 05000327/LER-1984-022, :on 840330 & 0409,high Radiation Alarm Actuated,Causing Containment Ventilation Isolation.Caused by Electromagnetic Interference Spike & Inadvertent Circuit Input Grounding.Alarm Reset + (08:29:41, 26 May 2025)
- 05000366/LER-1984-001-02, Revised LER 84-001-02:on 840203,during Insp of Torus Interior,Fracture in 54-inch Vent Header Detected.Caused by Matl Being Subj to Temp Below Ndtt.Vent Header Repaired & Procedure Changes &/Or Sys Mods Made + (08:30:19, 26 May 2025)
- 05000370/LER-1984-009, :on 840319,reactor Trip Initiated by Steam Generator a low-low Level.Caused by Sys Fluctuations After Loop Power Supply Card Failed.Nlp Card Replaced & Loop Returned to Svc + (08:30:29, 26 May 2025)
- 05000293/LER-1980-004-01, Results of Core Spray Sparger Cracks in Conjunction W/Inservice Insp Program Revealed Several Linear Indications on Each Sparger.Visual Insps Conclude Indications within Criteria + (08:31:03, 26 May 2025)
- 05000341/LER-1995-005, :on 950425,reactor Tripped Due to High Neutron Flux.Caused by Reactor Pressure Transient.Tested Circuit Boards to Attempt Further Cause Determination to Component Level + (08:31:09, 26 May 2025)
- 05000244/LER-1976-013-03, /03L-0:on 760416,B Bank Group 2 Rod Cluster Controls G5 & 6 Dropped.Cause Under Investigation + (08:31:13, 26 May 2025)
- 05000244/LER-1976-014-03, /03L-0:on 760412,N44 Power Range Detector High Voltage Power Supply Failed.Cause Under Investigation + (08:31:16, 26 May 2025)
- 05000219/LER-1976-026-01, /01P-0:on 761012,unplanned Radioactive Release to Discharge Canal Not Monitored.Caused by Design Error Routing Relief Valve Discharge Via 1-5 Sump Instead of to Radwaste Facility Via High Conductivity Tank.Valve to Be Rerout + (08:31:31, 26 May 2025)
- 05000302/LER-1982-033-03, Reactor Bldg Pressure Indicator BS-16-PI Discovered Inoperable.Caused by Instrument Drift.Bailey Transmitters BS-16-PT & BS-17-PT Replaced W/Rosemount Transmitters & Calibr + (08:31:35, 26 May 2025)
- 05000498/LER-1995-006, :on 950420,failed to Meet Requirements of TS Due to Not Performing Required Surveillance on H Recombiner. Held Briefings to Stress Need for Proper Identification of Components During Performance of Activities + (08:32:06, 26 May 2025)
- L-77-228, Forwards Rept on Sys Disturbance 770516 + (08:32:11, 26 May 2025)
- 05000302/LER-1995-007, :on 950421,inattention to Detail Caused Delay in Performance of Surveillance That Resulted in Violation of Improved Ts.Counselled Individuals Involved & Revised Procedures + (08:32:15, 26 May 2025)
- 05000220/LER-1976-030, :on 760805,review Revealed That Condenser Delta Temp & Discharge Canal Temp Not Recorded Hourly During 760717-22.Caused by Computer Typers Being Down Due to New Instrumentation Installation.Data Through 760731 Invalid + (08:32:28, 26 May 2025)
- ML20084B442 + (08:32:35, 26 May 2025)
- 05000220/LER-1976-044, :on 761116,one Emergency Vent Loop Taken Out of Svc.Caused by Repairs Being Made on Bent Observation Door While Unit on Load + (08:32:41, 26 May 2025)
- 05000220/LER-1977-003, :on 770304,reactor low-low-low Instrument Level Setpoint Found Below Required Setting.Caused by Instrument Setpoint Change.Setpoint Reset + (08:32:44, 26 May 2025)
- 05000220/LER-1977-004, :on 770307,one Solenoid Operated Pressure Relief Valve Found Set Lower than Required.Caused by Instrument Setpoint Change.Setting Reset + (08:32:49, 26 May 2025)
- 05000220/LER-1977-011, :on 770320,one Reactor low-low Water Level Trip Found Lower than Required Setpoint.Caused by Setpoint Change While Sys Bypassed for Maint & Special Level Instrumentation in Svc + (08:32:54, 26 May 2025)
- 05000220/LER-1977-015, :on 770404,shutdown Pump Tripped During Lowering of Water Level to Clear Temporary Shield Work Platform. Caused by Excessive Water Lowering in Reactor Annulus Area. Addl Water Level Monitoring Added + (08:32:59, 26 May 2025)
- 05000220/LER-1977-016, :on 770406,possible Tech Spec Noncompliance Found Re Frequency,Location & Sampling Period.Caused by Ambiguous Wording Concerning Trapnet Procedures.Environ Contractor Will Propose & Implement Trapnet Procedures + (08:33:05, 26 May 2025)
- 05000220/LER-1977-018, :on 770416,one Pair of Drywell Air Vent & Fill Valves Would Not Pressurize to Type C Isolation Valve Leak Rate Test Conditions,Indicating Probable Leakage in Excess of Tech Spec.Cause Not Stated + (08:33:07, 26 May 2025)
- ML20084B166 + (08:33:16, 26 May 2025)
- 05000338/LER-1981-063-03, Reactor Trip Breaker B Failed to Open When High Pressurizer Pressure Signal Simulated.Caused by Failure of Metal Latch in Undervoltage Trip Attachment.Attachment Replaced + (08:33:37, 26 May 2025)
- 05000237/LER-1976-063, Updated LER 76-063/03L-l:on 761003,stack Gas Sample Pump Flow Appeared Abnormally Low.Caused by Collection of Carbon Impeller Vane Products in Pump Cavity & Filter.Pump & Filter Replaced + (08:34:28, 26 May 2025)
- 05000237/LER-1976-066, Updated LER 76-066/01T-1:on 761113,during Maint Outage,Hpci Injection Valve M02-23018 Found in Closed Position W/Valve Stem Severed.Caused by Mechanical Overstress of Stem.Stem Replaced + (08:34:41, 26 May 2025)
- 05000237/LER-1976-068-03, /03L-0:on 761212,CRD F-5 Found to Uncouple & Overtravel When Withdrawn to Position 48 Following 50% Core Scram Testing.Caused by Loosened Inner Filter.Crd F-5 to Be Disassembled & Insp + (08:34:50, 26 May 2025)
- 05000237/LER-1976-072-03, /03L-0:on 761228,during Start Up Operations,Crd J-11 Found to Uncouple & Overtravel When Withdrawn to Position H8.Caused by Loosened Inner Filter.Crd J-11 to Be Disassembled & Inspected + (08:35:06, 26 May 2025)
- 05000364/LER-1984-002, :on 840123,hourly Firewatch Patrol in Train B Auxiliary Bldg Battery Charger Room Not Performed During 1300-1400 & 1400-1500 H.Caused by Personnel Error. Individual Counseled + (08:35:26, 26 May 2025)
- 05000336/LER-1982-049-01, Fire Water Storage Tanks a & B Found at 190,153 Gallons & 190,074 Gallons, Respectively.Caused by Stripped Gear in Makeup Valve Operator a & Sticking Brake in Operator B + (08:35:51, 26 May 2025)
- 05000237/LER-1976-053, Updated LER 76-053/01T-1:on 760803,util Advised by GE That MAPLHGR Limits in Effect No Longer Considered Sufficiently Conservative at Low Core Flow Rates.Problem Thought to Be ECCS Models Used to Determine Rates + (08:35:57, 26 May 2025)
- 05000336/LER-1983-018-03, Reactor Protection Sys Channel A,Low Steam Generator Pressure Bypass Removal Setpoints Found Out of Spec in Nonconservative Direction. Caused by Instrument Shift.Setpoints Adjusted + (08:36:01, 26 May 2025)
- 05000336/LER-1982-008-03, Reactor Coolant Pump Speed Sensing Bistable Trip Setpoint Found Out of Spec. Caused by Instrument Drift.Bistable Trip Unit Replaced.W/ + (08:36:14, 26 May 2025)
- ML20083R150 + (08:36:18, 26 May 2025)
- A830008, Forwards Low-Low Set Relief Logic Sys & Lower MSIV Water Level Trip for Cooper Nuclear Station Unit 1, Supplementing .Approval of Design Change & Tech Specs Requested by 830501.Rept Withheld (Ref 10CFR2.790).GE Affidavit Encl + (08:37:51, 26 May 2025)