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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

• 05000336/LER-1990-014-02, :on 901010,main Steam Safety Valve Setpoint Drift Discovered During as-found Simmer Test  + ( :on 901010,main Steam Safety Valve Setpoint Drift Discovered During as-found Simmer Test )
• 05000271/LER-1990-014, :on 901010,potential Loss of Primary Containment Discovered Due to Teflon Seals in Personnel Airlock  + ( :on 901010,potential Loss of Primary Containment Discovered Due to Teflon Seals in Personnel Airlock )
• 05000271/LER-1990-018, :on 901010,primary Containment Isolation Sys Group 1 Isolation Signal Received,Causing Spurious Actuation.Caused by Inadequate Procedure.Procedure Revised to Include Specific Instructions  + ( :on 901010,primary Containment Isolation Sys Group 1 Isolation Signal Received,Causing Spurious Actuation.Caused by Inadequate Procedure.Procedure Revised to Include Specific Instructions )
• 05000440/LER-1990-030, :on 901011,failure to Perform Required Surveillance Prior to Resuming Fuel Movement Discovered  + ( :on 901011,failure to Perform Required Surveillance Prior to Resuming Fuel Movement Discovered )
• 05000445/LER-1990-035, :on 901011,potential common-mode Failure of HPSI Pumps Discovered Due to Incorrect Suction Vent Valve Application  + ( :on 901011,potential common-mode Failure of HPSI Pumps Discovered Due to Incorrect Suction Vent Valve Application )
• 05000528/LER-1990-010, :on 901012,ESF Actuation Caused by Calibr Step Omission in Work Document  + ( :on 901012,ESF Actuation Caused by Calibr Step Omission in Work Document )
• 05000369/LER-1990-026-01, :on 901012,determined That Both Trains of Annulus Ventilation Sys Rendered Inoperable & Judged to Be Unable to Create Required Negative Pressure in Annulus within Required Time  + ( :on 901012,determined That Both Trains of Annulus Ventilation Sys Rendered Inoperable & Judged to Be Unable to Create Required Negative Pressure in Annulus within Required Time )
• 05000213/LER-1990-022, :on 901012,error Identified in Calibr of Auxiliary Feedwater Flow Transmitters  + ( :on 901012,error Identified in Calibr of Auxiliary Feedwater Flow Transmitters )
• 05000266/LER-1990-012, :on 901012,potential Single Failure in B03-B01 & B04-B02 Control Circuits Occurred  + ( :on 901012,potential Single Failure in B03-B01 & B04-B02 Control Circuits Occurred )
• 05000324/LER-1990-016-02, :on 901012,reactor Scram Occurred on Turbine Stop Valve Fast Closure Caused by Reactor High Level When Fuse Failed in Feedwater Control Sys Circuitry  + ( :on 901012,reactor Scram Occurred on Turbine Stop Valve Fast Closure Caused by Reactor High Level When Fuse Failed in Feedwater Control Sys Circuitry )
• 05000369/LER-1990-026, :on 901012,removal of Emergency Air Penetration Access Plate Rendered Annulus Ventilation Sys Inoperable. Caused by Design Deficiency.Mods Submitted to Prevent Recurrence  + ( :on 901012,removal of Emergency Air Penetration Access Plate Rendered Annulus Ventilation Sys Inoperable. Caused by Design Deficiency.Mods Submitted to Prevent Recurrence )
• 05000364/LER-1990-003-01, :on 901013,Tech Spec 3.0.3 Entered Due to Intermediate Range Nuclear Detectors Being Declared Inoperable  + ( :on 901013,Tech Spec 3.0.3 Entered Due to Intermediate Range Nuclear Detectors Being Declared Inoperable )
• 05000409/LER-1990-004, :on 901013,diesel Generator 1A Failed to Successfully Complete 18-month Test  + ( :on 901013,diesel Generator 1A Failed to Successfully Complete 18-month Test )
• 05000348/LER-1990-007, :on 901013,preaction Fire Protection Sys Clapper Valves Failed to Trip  + ( :on 901013,preaction Fire Protection Sys Clapper Valves Failed to Trip )
• 05000369/LER-1990-027, :on 901013,solid State Protection Sys General Warning of Reactor Trip Occurred Due to Equipment Failure  + ( :on 901013,solid State Protection Sys General Warning of Reactor Trip Occurred Due to Equipment Failure )
• 05000250/LER-1990-020, :on 901013,surveillance Interval of Tech Spec 4.8.2.1 Exceeded Due to Personnel Error.Personnel Involved Counseled & Procedure 4-OSP-201.3 Revised  + ( :on 901013,surveillance Interval of Tech Spec 4.8.2.1 Exceeded Due to Personnel Error.Personnel Involved Counseled & Procedure 4-OSP-201.3 Revised )
• 05000416/LER-1990-019-01, :on 901014,during Refueling Outage Four,Three Events Occurred in Which Same Power Supply Breaker Inadvertently Opened  + ( :on 901014,during Refueling Outage Four,Three Events Occurred in Which Same Power Supply Breaker Inadvertently Opened )
• 05000382/LER-1990-016-02, :on 901014,two Posted High Radiation Areas Greater than 1000 Mrems Discovered Not Locked Per Tech Spec 6.12.2.W/undated Ltr  + ( :on 901014,two Posted High Radiation Areas Greater than 1000 Mrems Discovered Not Locked Per Tech Spec 6.12.2.W/undated Ltr )
• 05000352/LER-1990-023-01, :on 901015,emergency DGs Discovered to Be Inoperable on Various Occasions,Resulting in Condition Prohibited by Tss.Caused by Inadequate Testing of Redundant Rectifier Banks for Emergency DGs  + ( :on 901015,emergency DGs Discovered to Be Inoperable on Various Occasions,Resulting in Condition Prohibited by Tss.Caused by Inadequate Testing of Redundant Rectifier Banks for Emergency DGs )
• 05000315/LER-1990-012, :on 901015,failed to Comply W/Tech Spec When Fire Watch Posting Miscommunicated  + ( :on 901015,failed to Comply W/Tech Spec When Fire Watch Posting Miscommunicated )
• 05000339/LER-1990-006-02, :on 901015,pressurizer Power Operated Relief Valves Not Properly Tested Due to Personnel Error  + ( :on 901015,pressurizer Power Operated Relief Valves Not Properly Tested Due to Personnel Error )
• 05000265/LER-1990-010-03, :on 901015,reactor Scram Occurred Due to Turbine Trip from Moisture Separator High Level.Caused by Partially Blocked Drain Line on 2C Moisture Separator Level Switch.Level Switches Cleaned  + ( :on 901015,reactor Scram Occurred Due to Turbine Trip from Moisture Separator High Level.Caused by Partially Blocked Drain Line on 2C Moisture Separator Level Switch.Level Switches Cleaned )
• 05000265/LER-1992-010, :on 901015,reactor Scram Occurred Due to Turbine Stop Valve Closure.Modification of DG Autostart Logic Will Be Installed to Preclude Similar Starts of Dg  + ( :on 901015,reactor Scram Occurred Due to Turbine Stop Valve Closure.Modification of DG Autostart Logic Will Be Installed to Preclude Similar Starts of Dg )
• 05000265/LER-1990-010-10, :on 901015,reactor Scrammed Due to Turbine Trip from Moisture Separator High Level Due to Broken Line.W/  + ( :on 901015,reactor Scrammed Due to Turbine Trip from Moisture Separator High Level Due to Broken Line.W/ )
• 05000321/LER-1990-021, :on 901015,unit Manually Scrammed Due to High Vibration of Main Turbine  + ( :on 901015,unit Manually Scrammed Due to High Vibration of Main Turbine )

• 05000277/LER-1990-029, :on 901016,E4 Diesel Generator Not Tested While RHR Loop a Inoperable  + ( :on 901016,E4 Diesel Generator Not Tested While RHR Loop a Inoperable )

• 05000341/LER-1990-012, :on 901016,HPCI Steam Line Flow Transmitter Failure Occurred  + ( :on 901016,HPCI Steam Line Flow Transmitter Failure Occurred )
• 05000373/LER-1990-012-04, :on 901016,automatic Start of Oa Control Room Emergency Makeup Fan Occurred Due to Procedural Deficiency  + ( :on 901016,automatic Start of Oa Control Room Emergency Makeup Fan Occurred Due to Procedural Deficiency )
• 05000416/LER-1990-020-01, :on 901016,containment Cooling Sys Found on High Radiation Level  + ( :on 901016,containment Cooling Sys Found on High Radiation Level )
• 05000374/LER-1990-011-08, :on 901016,north Bank Automatic Depressurization Sys Backup Pressure Supply Declared Inoperable  + ( :on 901016,north Bank Automatic Depressurization Sys Backup Pressure Supply Declared Inoperable )
• 05000206/LER-1990-019, :on 901016,nuclear Overpower Low Trip Setpoint Was Determined to Be Greater than Allowed by Tech Specs Due to Inadequate Review of Design Change Documents  + ( :on 901016,nuclear Overpower Low Trip Setpoint Was Determined to Be Greater than Allowed by Tech Specs Due to Inadequate Review of Design Change Documents )
• 05000315/LER-1990-013, :on 901017,18 & 19,11 of 20 Main Steam Safety Valve Lift Setpoints Out of TS Specified Range.Caused by Setpoint Drift.Valves Reset to Acceptable Values & Retested Satisfactorily  + ( :on 901017,18 & 19,11 of 20 Main Steam Safety Valve Lift Setpoints Out of TS Specified Range.Caused by Setpoint Drift.Valves Reset to Acceptable Values & Retested Satisfactorily )
• 05000327/LER-1990-027, :on 901017,LCO 3.0.3 Entered Due to Lack of Selective Coordination for Feeder Breakers  + ( :on 901017,LCO 3.0.3 Entered Due to Lack of Selective Coordination for Feeder Breakers )
• 05000445/LER-1990-031, :on 901017,containment Atmosphere Gaseous Radioactivity Monitoring Sys Declared Inoperable Due to Nonconservative Alarm Setpoints  + ( :on 901017,containment Atmosphere Gaseous Radioactivity Monitoring Sys Declared Inoperable Due to Nonconservative Alarm Setpoints )
• 05000298/LER-1990-011, :on 901017,unplanned Automatic Reactor Scram & ESF Actuations Occurred Due to 345 Kv Ground Fault  + ( :on 901017,unplanned Automatic Reactor Scram & ESF Actuations Occurred Due to 345 Kv Ground Fault )
• 05000370/LER-1990-010-04, :on 901018,breach of Containment Integrity Occurred.Caused by Partially Open Sample Valve Due to Inappropriate Action  + ( :on 901018,breach of Containment Integrity Occurred.Caused by Partially Open Sample Valve Due to Inappropriate Action )
• 05000282/LER-1990-015-01, :on 901018,determined That ASME Section XI Tests Omitted from Testing Procedures During Rev Process.W/  + ( :on 901018,determined That ASME Section XI Tests Omitted from Testing Procedures During Rev Process.W/ )
• 05000250/LER-1990-021, :on 901018,determined That Length of Time CCW Headers Split for Movement of Heavy Loads Exceeded Appropriate Action Statement Time Limit That Should Have Been Imposed  + ( :on 901018,determined That Length of Time CCW Headers Split for Movement of Heavy Loads Exceeded Appropriate Action Statement Time Limit That Should Have Been Imposed )
• 05000498/LER-1990-024, :on 901018,failed to Take Tech Spec Actions When One Channel of Subcooling Margin Became Inoperable  + ( :on 901018,failed to Take Tech Spec Actions When One Channel of Subcooling Margin Became Inoperable )
• 05000483/LER-1990-013, :on 901018,health Physics Technician Received Exposure in Excess of 10CFR20.101(a) Limits of 7.5 Rems to Skin of Whole Body  + ( :on 901018,health Physics Technician Received Exposure in Excess of 10CFR20.101(a) Limits of 7.5 Rems to Skin of Whole Body )
• 05000280/LER-1990-015, :on 901018,hydrogen Analyzer Surveillance Testing Was Performed Due to Misinterpretation of Tech Spec Requirements  + ( :on 901018,hydrogen Analyzer Surveillance Testing Was Performed Due to Misinterpretation of Tech Spec Requirements )
• 05000321/LER-1990-022, :on 901019,Group 5 Primary Containment Isolation Occurred on RWCU High Differential Flow  + ( :on 901019,Group 5 Primary Containment Isolation Occurred on RWCU High Differential Flow )
• 05000412/LER-1990-022, :on 901019,discovered Inadequate Electrical Isolation Between Control & Protection Circuits  + ( :on 901019,discovered Inadequate Electrical Isolation Between Control & Protection Circuits )
• 05000333/LER-1990-023, :on 901019,manual Reactor Scram Due to Blocked Circulating Water Intake Screens  + ( :on 901019,manual Reactor Scram Due to Blocked Circulating Water Intake Screens )
• 05000213/LER-1990-020, :on 901019,manual Trip Occurred Due to Condensate Pump Degradation & Procedural Noncompliance  + ( :on 901019,manual Trip Occurred Due to Condensate Pump Degradation & Procedural Noncompliance )
• 05000339/LER-1990-008-02, :on 901020,cold Leg Safety Injection Branch Flow Found to Be Below Tech Spec Requirements  + ( :on 901020,cold Leg Safety Injection Branch Flow Found to Be Below Tech Spec Requirements )
• 05000206/LER-1990-020, :on 901020,during post-maint Test to Replace screw-type Battery Jumper Cable Lugs,Concerns Raised W/ Existing Battery Terminal Resistance Measurement Methodology.Ts Surveillance Procedure Enhanced  + ( :on 901020,during post-maint Test to Replace screw-type Battery Jumper Cable Lugs,Concerns Raised W/ Existing Battery Terminal Resistance Measurement Methodology.Ts Surveillance Procedure Enhanced )
• 05000302/LER-1990-017, :on 901020,pipe Restraint Disconnected,Leading to Sys Inoperability  + ( :on 901020,pipe Restraint Disconnected,Leading to Sys Inoperability )
• 05000296/LER-1990-004, :on 901020,unplanned ESF Actuation Occurred & RWCU Sys Inboard Isolation Valve Found Closed.Caused by Failure of Control Room Alarm to Reflash.Failed Relay & Blown Fuse Replaced  + ( :on 901020,unplanned ESF Actuation Occurred & RWCU Sys Inboard Isolation Valve Found Closed.Caused by Failure of Control Room Alarm to Reflash.Failed Relay & Blown Fuse Replaced )
• 05000296/LER-1990-004-04, :on 901020,unplanned ESF Actuation Occurred. Investigation Ongoing to Determine Cause of Actuation.W/  + ( :on 901020,unplanned ESF Actuation Occurred. Investigation Ongoing to Determine Cause of Actuation.W/ )
• 05000458/LER-1990-032, :on 901021,snubber Removed from Piping in Violation of Tech Spec 3.7.4  + ( :on 901021,snubber Removed from Piping in Violation of Tech Spec 3.7.4 )