Pages that link to "05000335/LER-1982-001, Forwards LER 82-001/03L-0"
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The following pages link to 05000335/LER-1982-001, Forwards LER 82-001/03L-0:
Displayed 9 items.
- ML20041A817 (redirect page) (← links)
- 05000335/LER-1982-001-03, /03L-0:on 820107,during Refueling Outage & Subsequent Startup Period,Radiation Levels Exceeded Setpoint Rendering Channel 7 Inoperable.Caused by Misunderstanding of Surveys.Training Instituted (← links)
- 05000335/LER-1982-001 (redirect page) (← links)
- 05000335/LER-2014-001 (← links)
- 05000335/LER-2015-001 (← links)
- 05000335/LER-2012-001 (← links)
- 05000335/LER-2012-002 (← links)
- 05000335/LER-2012-003 (← links)
- 05000335/LER-2012-005 (← links)
- 05000335/LER-2012-007 (← links)
- 05000335/LER-2012-008 (← links)
- 05000335/LER-2013-002 (← links)
- 05000335/LER-2016-003 (← links)
- 05000335/LER-2016-002 (← links)
- 05000335/LER-2016-001 (← links)
- 05000335/LER-2011-003 (← links)
- 05000335/LER-2011-002 (← links)
- 05000335/LER-2011-001 (← links)
- 05000335/LER-2010-003 (← links)
- 05000335/LER-2010-002 (← links)
- 05000335/LER-2010-001 (← links)
- 05000335/LER-2009-003 (← links)
- 05000335/LER-2009-002 (← links)
- 05000335/LER-2009-001 (← links)
- 05000335/LER-2008-001 (← links)
- 05000335/LER-2007-001 (← links)
- 05000335/LER-2006-001 (← links)
- 05000335/LER-2005-001 (← links)
- 05000335/LER-2004-001 (← links)
- 05000335/LER-2003-005 (← links)
- 05000335/LER-2003-004 (← links)
- 05000335/LER-2003-003 (← links)
- 05000335/LER-2003-002 (← links)
- 05000335/LER-2003-001 (← links)
- 05000335/LER-2002-002 (← links)
- 05000335/LER-2002-001 (← links)
- 05000335/LER-2013-001 (← links)
- 05000335/LER-2012-006 (← links)
- 05000335/LER-2012-004 (← links)
- 05000335/LER-2007-003 (← links)
- 05000335/LER-2006-003 (← links)
- 05000335/LER-2005-003 (← links)
- 05000335/LER-2004-004 (← links)
- 05000335/LER-2001-009 (← links)
- 05000335/LER-2001-008 (← links)
- 05000335/LER-2001-007 (← links)
- 05000335/LER-2001-006 (← links)
- 05000335/LER-2001-005 (← links)
- 05000335/LER-2001-004 (← links)
- 05000335/LER-2001-003 (← links)
- 05000335/LER-2001-002 (← links)
- 05000335/LER-2001-001 (← links)
- 05000335/LER-2017-003 (← links)
- 05000335/LER-2017-002 (← links)
- 05000335/LER-2017-001 (← links)
- 05000335/LER-1982-025, Forwards LER 82-025/03L-0 (← links)
- 05000335/LER-1982-022, Forwards LER 82-022/03L-0 (← links)
- 05000335/LER-1982-020, Forwards LER 82-020/03L-0 (← links)
- 05000335/LER-1982-019, Forwards LER 82-019/03L-0 (← links)
- 05000335/LER-1982-021, Forwards LER 82-021/03L-0 (← links)
- 05000335/LER-1982-017, Forwards LER 82-017/03L-0 (← links)
- 05000335/LER-1982-018, Forwards LER 82-018/03L-0 (← links)
- 05000335/LER-1982-011, Forwards LER 82-011/03L-0 (← links)
- 05000335/LER-1982-016, Forwards LER 82-016/03L-0 (← links)
- 05000335/LER-1982-044, Forwards LER 82-044/03L-0 (← links)
- 05000335/LER-1982-045, Forwards LER 82-045/43X-0 (← links)
- 05000335/LER-1983-003, Forwards LER 83-003/03L-0 (← links)
- 05000335/LER-1983-002, Forwards LER 83-002/03L-0 (← links)
- 05000335/LER-1982-066, Forwards LER 82-066/03L-0 (← links)
- 05000335/LER-1982-065, Forwards LER 82-065/03L-0 (← links)
- 05000335/LER-1982-063, Forwards LER 82-063/01T-0 (← links)
- 05000335/LER-1982-061, Forwards LER 82-061/03L-0 (← links)
- 05000335/LER-1981-002, Forwards LER 81-002/03L-0 (← links)
- 05000335/LER-1982-041, Forwards LER 82-041/03L-0 (← links)
- 05000335/LER-1982-038, Forwards LER 82-038/03L-0 (← links)
- 05000335/LER-1982-035, Forwards LER 82-035/03L-0 (← links)
- 05000335/LER-1982-036, Forwards LER 82-036/03L-0 (← links)
- 05000335/LER-1982-030, Forwards LER 82-030/03L-0 (← links)
- 05000335/LER-1982-033, Forwards LER 82-033/03L-0 (← links)
- 05000335/LER-1982-027, Forwards LER 82-027/03L-0 (← links)
- 05000335/LER-1982-032, Forwards LER 82-032/03L-0 (← links)
- 05000335/LER-1982-029, Forwards LER 82-029/03L-0 (← links)
- 05000335/LER-1982-031, Forwards LER 82-031/03L-0 (← links)
- 05000335/LER-1982-023, Forwards LER 82-023/99X-0 (← links)
- 05000335/LER-1983-008, Forwards LER 83-008/03L-0 (← links)
- 05000335/LER-1983-001, Forwards LER 83-001/03L-0 (← links)
- 05000335/LER-1982-071, Forwards LER 82-071/03L-0 (← links)
- 05000335/LER-1983-005, Forwards LER 83-005/03L-0 (← links)
- 05000335/LER-1982-064, Forwards LER 82-064/03L-0 (← links)
- 05000335/LER-1982-054, Forwards LER 82-054/03L-0 (← links)
- 05000335/LER-1982-058, Forwards LER 82-058/03L-0 (← links)
- 05000335/LER-1982-057, Forwards LER 82-057/03L-0 (← links)
- 05000335/LER-1982-055, Forwards LER 82-055/03L-0 (← links)
- 05000335/LER-1982-052, Forwards LER 82-052/03L-0 (← links)
- 05000335/LER-1982-051, Forwards LER 82-051/03L-0 (← links)
- 05000335/LER-1983-022, Forwards LER 83-022/01T-0 (← links)
- 05000335/LER-1983-017, Forwards LER 83-017/03L-0 (← links)
- 05000335/LER-1983-020, Forwards LER 83-020/03L-0 (← links)
- 05000335/LER-1982-039, Forwards LER 82-039/03L-0 (← links)
- 05000335/LER-1982-037, Forwards LER 82-037/03L-0 (← links)
- 05000335/LER-1983-009, Forwards LER 83-009/03L-0 (← links)
- 05000335/LER-1982-062, Forwards LER 82-062/03L-0 (← links)
- 05000335/LER-1982-056, Forwards LER 82-056/03L-0 (← links)
- 05000335/LER-1982-050, Forwards LER 82-050/03L-0 (← links)
- 05000335/LER-1982-049, Forwards LER 82-049/03L-0 (← links)
- 05000335/LER-1982-048, Forwards LER 82-048/03L-0 (← links)
- 05000335/LER-1982-047, Forwards LER 82-047/03L-0 (← links)
- 05000335/LER-1982-069, Forwards LER 82-069/03L-0 (← links)
- 05000335/LER-1982-068, Forwards LER 82-068/03L-0 (← links)
- 05000335/LER-1982-070, Forwards LER 82-070/03L-0 (← links)
- 05000335/LER-1982-059, Forwards LER 82-059/03L-0 (← links)
- 05000335/LER-1982-060, Forwards LER 82-060/03L-0 (← links)
- 05000335/LER-1983-016, Forwards LER 83-016/03L-0 (← links)
- 05000335/LER-1983-023, Forwards LER 83-023/01T-0 (← links)
- 05000335/LER-1983-015, Forwards LER 83-015/03L-0 (← links)
- 05000335/LER-1983-024, Forwards LER 83-024/03L-0 (← links)
- 05000335/LER-1983-018, Forwards LER 83-018/03L-0 (← links)
- 05000335/LER-1983-019, Forwards LER 83-019/99T-0 (← links)
- 05000335/LER-1983-013, Forwards LER 83-013/03L-0 (← links)
- 05000335/LER-1983-011, Forwards LER 83-011/03L-0 (← links)
- 05000335/LER-1983-012, Forwards LER 83-012/03L-0 (← links)
- 05000335/LER-1983-014, Forwards LER 83-014/03L-0 (← links)
- 05000335/LER-1983-010, Forwards LER 83-010/03L-0 (← links)
- 05000335/LER-1983-006, Forwards LER 83-006/03L-0 (← links)
- 05000335/LER-1983-007, Forwards LER 83-007/03L-0 (← links)
- 05000335/LER-1982-026, Forwards LER 82-026/03L-0 (← links)
- 05000335/LER-1982-028, Forwards LER 82-028/03L-0 (← links)
- 05000335/LER-1982-024, Forwards LER 82-024/03L-0 (← links)
- 05000335/LER-2024-001, Unplanned Reactor Scram (← links)
- 05000335/LER-2022-003, Manual Reactor Trip Due to Loss of Feedwater Pump (← links)
- 05000335/LER-2022-002, Condition Prohibited by Technical Specifications (← links)
- 05000335/LER-2021-001, Manual Reactor Trip Due to Insufficient Feed Flow to Steam Generators (← links)
- 05000335/LER-1986-009-03, :on 860919,unit Manually Tripped Due to Smoking Isophase Bus Cable Jumpers.Caused by Plant Concern for Equipment Protection.Faulty Isophase Cable Jumpers Replaced (← links)
- 05000335/LER-1986-010-03, :on 861006,discovered That Surveillance Interval for Testing of Charcoal Absorbers in ECCS Area Ventilation Sys Exceeded.Caused by Personnel Error.Test Sample Indicated Iodine Removal within Limits (← links)
- 05000335/LER-1987-002-02, :on 870207,reactor Tripped on Low Steam Generator Level During Controlled Shutdown for Scheduled Refueling Outage.Caused by Equipment Failure.Steam Generator Level Indicators Repaired (← links)
- 05000335/LER-1986-006-03, :on 860718,review of Calibr Procedure for Containment High Range Radiation Monitors Led to Finding That Alarm Setpoints Incorrectly Set.Caused by Error in Calibr Procedure.Alarm Setpoints Reset (← links)
- 05000335/LER-1986-005-03, :on 860620,in-core Detector Monitoring Sys Inoperable Due to Incorrect Sensitivity Factors in Digital Data Processing Sys.Caused by Personnel Error During Reloading of Sys.Written Procedures Initiated (← links)
- 05000335/LER-1987-001-02, :on 870123,discovered 23 Walls Needed to Be Reclassified as seismic,10 of Which Required Mods.Caused by Personnel Error.Mods Completed on Nine Walls by 870126 & on Tenth Wall During Refueling Outage (← links)
- 05000335/LER-1986-008-03, :on 860827,Train B Exhaust Ventilation Fan HVE-9B Became Inoperable When Thermal Overload Relay Spuriously Actuated & Redundant Train a Fan HVE-9A Found Inoperable Due to Oil Tank Level.Causes Not Identified (← links)
- 05000335/LER-1987-003-02, :on 870212,spurious Safety Injection Signal on Train a & Containment Isolation Actuation Signal Occurred. Caused by Maint Supervisor Bumping Panel Containing Relays. Signals Reset (← links)
- 05000335/LER-1986-011-03, :on 861204,discovered That Startup Transformer B Inoperable Due to Feeder Breakers Being Left Open After Maint.Caused by Cognitive Personnel Error.Remaining Ac Power Sources Verified Operable & Breakers Tagged (← links)
- 05000335/LER-1986-007-03, :on 860804,4,160-volt Bus 1A3 Deenergized Due to Inadvertent Actuation of Differential Current Protective Relay.Caused by Technician Failure to Ensure Breaker Cubicle Door Fully Open While Inserting Breaker (← links)
- 05000335/LER-1987-004-02, :on 870227,while Performing Eddy Current Test of Steam Generator B,Discrepancy Discovered in Plugging Pattern.Caused by Util & Contractor Personnel Failing to Detect Error.Plugs Properly Installed (← links)
- 05000335/LER-1986-004-03, :on 860413,turbine Generator & Steam Generator Feed Pump Tripped Automatically Due to High Steam Generator Level.Caused by Personnel Error.Operators Counseled.Plant Training Group Will Evaluate Event (← links)
- 05000335/LER-1986-002-03, :on 860206,during Monthly Reactor Protection Sys Logic Matrix Test,Reactor Tripped.Caused by Failure of Logic Matrix Relay Trip Select Switch.Switch Replaced.Logic Matrix Test Successfully Completed (← links)
- 05000335/LER-1986-001-03, :on 860120,spurious Containment Isolation Actuation Signal Generated.Caused by Static Electrical Discharge.Containment Isolation Actuation Signal Reset & Equipment Restored to Normal Lineup (← links)
- 05000335/LER-1985-012, :on 851219,during Shutdown for Scheduled Refueling Outage,Visual Exams & Functional Testing Identified Failed Snubbers.Caused by Installation/Maint Errors.Snubbers Replaced (← links)
- 05000335/LER-1986-003-03, :on 860214,iodine Removal Sys Out of Svc Greater than 72 H.Caused by Combination of Leaking Check Valves & Cognitive Personnel Error.Valves Repaired & Training Requirements Under Evaluation (← links)
- 05000335/LER-1985-012-02, :on 851219,inservice Insp of Snubbers Revealed Failures.Caused by Design & Personnel Errors.Defective Snubbers Repaired or Replaced.Supplemental Rept Will Be Submitted by 860214 (← links)
- 05000335/LER-1985-008-03, :on 850929,25% Time Extension Specified by Tech Specs for Quarterly MSIV part-stoke Surveillance Test Exceeded.Caused by Personnel Error.Surveillance Performed. Operator Counseled (← links)
- 05000335/LER-1985-009-03, :on 851106,during Attempt to Lift Upper Guide Structure Out of Reactor vessel,1 of 3 Lift Bolts Failed. Caused by Insufficient Thread Engagement & Stripping.Reactor Vessel Maint Procedures Revised (← links)
- 05000335/LER-1985-010-02, :on 851126,seismic Support Design for Control Room Suspended Ceiling Found Inadequate.Caused by Error in Engineering Judgement.Plant Mod Designed & Installed (← links)
- 05000335/LER-1985-007-03, :on 850821,Exxon Nuclear Informed Util of Nonconservative Error in Input Value for Cycle 6 Fuel LOCA-ECCS Analysis.Caused by Breakdown in Exxon Internal Communication in Distributing Plant Data (← links)
- 05000335/LER-1985-006-03, :on 850527,inadvertent Actuation of Containment Spray Pump 1B Occurred,Resulting in No Spray Flow.Caused by Personnel Error.Pump Secured.Operator Counseled (← links)
- 05000335/LER-1985-005-03, :on 850523,control Rod Slipped,Creating Deviation Between Rod & Remainder of Group.Caused by Personnel Error.Procedure Will Be Revised to Clarify Tech Spec Requirement (← links)
- 05000335/LER-1985-004-02, :on 850404,deviation from Tech Specs Re Measured Battery Specific Gravity Discovered.Plant Procedures Only Require Temp Correction Instead of Temp & Level.Caused by Personnel Error (← links)
- 05000335/LER-1996-010, :on 960730,upper & Lower Detector Leads for Linear Range Ni Were Reversed on Channels A,C & D.Mod Package for Replacement of RPS Ni Drawers Contained Design Error.Drawers Have Been Reconnected & Retested (← links)
- 05000335/LER-1985-002, :on 850228,inboard Valves of Containment Isolation Valves Found Inoperable.Caused by Mechanical Connector Problem.Procedures Revised (← links)
- 05000335/LER-1985-002-01, :on 850228,inboard Valve of Series Set of Containment Isolation Valves Found Inoperable in Open Position.Caused by Incorrect Connection to Backup Nitrogen Sys Due to Mechanical Connector Problem (← links)
- 05000335/LER-1984-011-02, :on 841009,emergency Diesel Generator 1A Fuel Oil Storage Tank Found 3/4-inch Below Tech Spec Requirement. Cause Not Stated.Fuel Inventory Corrected.Guidance on Reading to Specified Limits Issued (← links)
- 05000335/LER-1984-009-02, :on 840914,shear Pin Broke on Traveling Screen 1B1 Requiring Circulating Water Pump 1B1 to Be Shutdown.Side Condenser B Lost Cooling & Reactor Manually Tripped.Intake Screens Repaired.Reactor Restarted (← links)
- 05000335/LER-1985-001-01, :on 850125,ECCS Area Ventilation Fan HVE-9B Inadvertently Placed Out of Svc for Maint W/Redundant Fan HVE-9a Already Out of Svc.Cause Unknown.Fan HVE-9B Returned to Svc (← links)
- 05000335/LER-1985-003-02, :on 850307,reactor Trip Occurred During Logic Matrix Test.Caused by Operator Turning Test Switch to Incorrect Position.Note to Be Added to Procedure Methods to Terminate Logic Matrix Test (← links)
- 05000335/LER-1984-007-02, :on 840823,reactor Trip Occurred During Weekly Logic Matrix Test.Caused by Opening of Two Trip Circuit Breakers.Trip Selector Switch & Logic Matrix Relay Replaced (← links)
- 05000335/LER-1984-006-02, :on 840726,reactor Tripped by Reactor Protection Sys on Loss of Load Signal.Caused by Loose Nut in Vacuum Trip Mechanism Giving False Low Vacuum Condition.Nut Replaced (← links)
- 05000335/LER-1984-005-01, :on 840626,reactor Tripped Due to Failed Msiv. Caused by Failure of Rupture Disc in Air Supply to Valve Operator.Rupture Disk Replaced & Valve Tested & Returned to Svc (← links)
- 05000335/LER-1984-008-02, :on 840828,spurious Containment Isolation Signal Received.Caused by Two Shorted Instrument Bus Wires During Electrical Insp.Signal Reset (← links)
- 05000335/LER-1984-003-02, :on 840514,improper Paralleling of Motor Generator Set 1B Caused Overcurrent Condition in Motor Generator Set 1A.Caused by Personnel Error (← links)
- 05000335/LER-1984-002-03, :on 840504,during Steam Generator Eddy Current Testing & Overview of Insp Results,Determined That 12 Tubes Missed & 3 Tubes Partially Tested in 1A & 6 Tubes Missed & 5 Tubes Partially Tested in 1B (← links)
- 05000335/LER-1984-004, :on 840613,surveillance Performed on Both Shield Bldg Exhaust Fan Dampers Where Flow Less than Required 6,000 CFM on Each Train.Caused by Dampers Slightly Out of Adjustment.Dampers Adjusted (← links)
- 05000335/LER-1984-001-03, :on 840307,design Problem Re Undervoltage Relaying of 480-volt Buses Discovered on Diesel Generator Loading Sequence Under Certain Accident Conditions.Plant Change/Mod Implemented (← links)
- 05000335/LER-1982-069-03, /03L-0:on 821227,control Element Assembly (CEA) 43 Slipped 45 Inches During Periodic CEA Exercise.Cause Not Determined.Cea 43 Restored to Normal Position (← links)
- 05000335/LER-1982-068-03, /03L-0:on 821220,one of Four Redundant 120-volt Ac Instrument Power Buses Was Lost When 1A Static Inverter Output Breaker Opened.Cause Not Determined.Inverter Contacts Cleaned & Tested.Inverter Returned to Svc (← links)
- 05000335/LER-1982-070-03, /03L-0:on 821229,during Routine Testing,Emergency Safety Features Actuation & Reactor Protection Sys Channel B Input for Containment Pressure Failed.Caused by Failed 45-volt Power Supply.Power Supply Replaced (← links)
- 05000335/LER-1983-028-03, /03L-0:on 831004,while Defueled,Test Connections Not Provided Spare Electrical Penetration E-4 W/Flange Cover.Caused by Design Deficiency Not Showing Flanged Connection.Design Change Performed (← links)
- 05000335/LER-1982-059-03, /03L-0:on 821117,during Surveillance Testing of Diesel Generator 1B,solenoid Operated Fill Valve for Engine Mounted Fuel Oil Tank Failed to Open.Caused by Stuck Level Float Switch.Switch Moved,Cleaned & Satisfactorily Tested (← links)
- 05000335/LER-1982-060-03, /03L-0:on 821117,during Full Power Operation, Auxiliary Feedwater Flow Recorder 1B & Sigma Indicated Flow When Actual Flow Zero.Caused by Defective Force Motor Internal to Transmitter.Transmitter Replaced (← links)
- 05000335/LER-1983-016-03, /03L-0:on 830315,high Pressure Safety Injection Sys Used to Provide Boric Acid Flow Path Surveillance Procedures Inadequate in Addressing Tech Spec Requirements. Procedures Corrected to Comply W/Tech Specs (← links)
- 05000335/LER-1983-023-01, /01T-0:on 830401,util Informed by NSSS Vendor That Instrument Nozzle Partial Penetration Welds Could Be Over Stressed If External Piping Imposed Any Bending Loads on Nozzle.Design Changes Implemented to Secure Nozzles (← links)
- 05000335/LER-1983-015-03, /03L-0:on 830312,reactor Protection Sys Matrix Relay AB-3 Failed.Util Coordinating Corrective Action for Relays w/C-E & CP Clair Co (← links)
- 05000335/LER-1983-024-03, /03L-0:on 830314,during Refueling Outage, Investigation of Noise Problems on wide-range Nuclear Instrumentation Sys Revealed Failed Fission Chamber in Detector.Caused by Possible Mfg Error (← links)
- 05000335/LER-1983-018-03, /03L-0:on 830309,during Local Leak Rate Testing, Valve FCV-25-3 Leaked Excessively & Check Valves V-27101 & V-27102 Stuck Open.Caused by Dirt Preventing Closure. Valves Adjusted & Cleaned (← links)
- 05000335/LER-1983-019-99, /99T-0:on 830322,during Inservice Insp,Rejectable Indication Noted in Results of Ultrasonic Tests of Steam Generator A.Cause Unknown.Nozzle safe-ends Being Replaced. Decision Re Future Repairs to Be Made at Later Date (← links)
- 05000335/LER-1983-013-03, /03L-0:on 830302,during Refueling Outage,Charging Sys Common Header Isolation Valve V2429 Tagged Closed to Facilitate Work on Seal Water Injection Sys to Reactor Coolant Pumps Resulting in Loss of Boration Flow Path (← links)
- 05000335/LER-1983-011-03, /03L-0:on 830228,periodic Integrated ESF Test Revealed Eight Diesel Generator Loading Timers Out of Tolerance.Caused by Setpoint Drift.Troubleshooting in Progress to Identify Problems & Correct Deficiencies (← links)
- 05000335/LER-1983-012-03, /03L-0:on 830301,during Cold Shutdown & Prior to Refueling,Steam Generator a Drained for Work & LPSI Pump B Placed Out of Svc.Caused by Operator Unfamiliarity W/Tech Spec Requirements for Minimal Required Equipment (← links)
- 05000335/LER-1983-014-03, /03L-0:on 830224,25,26 & 27,during Preparation for 1983 Refueling Outage,Dose Equivalent I-131 Exceeded Tech Spec Limit.Iodine Spiking Expected on Power Reductions Based on Past Operating History (← links)
- 05000335/LER-1983-010-03, /03L-0:on 830217,reactor Protection Sys Logic Matrix Relay AB-1 Found Failed During Periodic Testing. Caused by Open CP Clair Model HGZX-1011 Mercury Wetted Relay.Relay Replaced in Kind (← links)
- 05000335/LER-1983-006-03, /03L-0:on 830121,during Periodic Control Element Assembly (CEA) Exercise,Cea 43 Slipped.Cause Not Determined. CEA 45 Has Operated Normally Since Event (← links)
- 05000335/LER-1983-007-03, /03L-0:on 830203,control Element Assembly 66 Dropped 56 Inches to Core.No Cause Found.Element Returned to Group Position & Normal Operation Resumed (← links)
- 05000335/LER-1982-026-03, /03L-0:on 820622,one of Four Redundant 120-volt Ac Instrument Power Buses Was Lost When Output Breaker 1A Static Inverter Opened.Cause Unknown.Oscillator Circuit Board Replaced (← links)
- 05000335/LER-1982-028-03, /03L-0:on 820624,while Performing Periodic Control Element Assembly Exercise,Control Element Assembly 54 Dropped to Full Insertion.Cause Not Determined (← links)
- 05000335/LER-1983-026-09, /09T-0:on 830513,67 of 264 Bergen Paterson EA-3 Clamps Discovered Oriented Improperly.Caused by Vendor Catalog Interpreted Improperly.Clamps Will Be Replaced During Present Outage (← links)
- 05000335/LER-1983-008-03, /03L-0:on 830128,while Testing Operability of Containment Fan Coolers Using Staggered Test basis,HVS-1D Failed to Start.Caused by Dirty Breaker Contacts at Load Ctr Breaker.Breaker Overhauled & Thoroughly Cleaned (← links)
- 05000335/LER-1983-001-03, /03L-0:on 830104,channel Mc Containment Radiation Isolation Bistable Found to Trip at 10.117 R/H Vice 10 R/H Tech Spec Limit.Cause of Consolidated Control Model 6N88-1 Bistable Drift Undetermined.Setpoint Adjusted (← links)
- 05000335/LER-1982-071-03, /03L-0:on 821230,turbine & Reactor Tripped, Resulting in DEQ I-131 Spike.Caused by Open Circuit in Reactor Protection Sys Trip Logic Due to 1A Inverter Frequency Oscillator Drift.Circuit Board Replaced (← links)
- 05000335/LER-1983-005-03, /03L-0:on 830110,auxiliary Feedwater Pump Discharge (MV-09-11) Failed to Operate During Surveillance. Caused by Dirty Gould Contacts.Contacts Cleaned (← links)
- 05000335/LER-1982-064-03, /03L-0:on 821216,w/B Charging Pump Out of Svc for Maint,Control Room Received Charging Pump 1A Safety Injection Actuation Signal Autostart Failure Alarm.Alarm Cleared & Did Not Restart.Caused by Misadjustment (← links)
- 05000335/LER-1982-054-03, /03L-0:on 821123,DDPS Declared Inoperable During Normal Operation,Resulting in Loss of Control Element Assembly Pulse Counting Backup Position Indication & Linear Heat Rate Monitor.Loss of Ddps Software Related (← links)
- 05000335/LER-1982-058-03, /03L-0:on 821117,during Full Power Operation, Containment Escape Lock Mechanical Interlock Failed During Surveillance Test 4.6.1.3.C.Caused by Misaligned Locking Mechanism.Mechanism Realigned (← links)
- 05000335/LER-1982-057-03, /03L-0:on 821114,dose Equivalent I-131 Exceeded Tech Spec 3.4.8.a Limit After Reactor Trip.Caused by Iodine Buildup in Primary Coolant Due to Power Transient After Operation W/Nominal Fuel Leakage (← links)
- 05000335/LER-1982-055-03, /03L-0:on 821109,control Element Assembly Motion Inhibit Circuit for Control Element Assembly Out of Sequence Deviation Scanner Failed.Caused by Failure of Relay in Out of Sequence Circuitry.Relay Replaced (← links)
- 05000335/LER-1982-052-03, /03L-0:on 821101,during Test to Check Ability of 1c Auxiliary Feedwater Pump to Take Suction,Condensate Storage Tank MV-09-11 Failed to Open.Caused by Torque Limiter Switch Malfunction.Switch Readjusted (← links)
- 05000335/LER-1982-051-03, /03L-0:on 821024,while Moving Control Rods During Ascent to Full Power,Control Element Assembly 40 Dropped to Full Insertion.Cause Undetermined.Control Element Assembly Recovered.Plant Operation Resumed (← links)
- 05000335/LER-1983-022-01, /01T-0:on 830405,during Refueling,Foreign Objects Found on Core Support Plate.Cause Unknown.All Large Loose Parts Removed from Bottom of Vessel.Event Under Investigation (← links)
- 05000335/LER-1983-017-03, /03L-0:on 830320 & 22,mechanical Interlock on Personnel Hatch to Containment Bldg Defeated,Resulting in Both Inner & Outer Doors Being Left Open.Interlock Defeated to Release Personnel Trapped in Hatch (← links)
- 05000335/LER-1983-020-03, /03L-0:on 830322,closing Latch Pin Broken on LPSI Pump 1B Breaker While Being Slow Closed for Alignment Check. Westinghouse porcel-line Air Circuit Breaker Model 50DHP250 Involved.Pins from Two Breakers on Bus Removed & Test (← links)
- 05000335/LER-1982-039-03, /03L-0:on 820827,prior to Removing Startup Transformer 1A from Svc for Maint,Surveillance Requirements of Tech Spec 3.8.1.1 Performed Except for Verifying Operability of Diesel Generator 1B.Caused by Oversight (← links)
- 05000335/LER-1982-037-03, /03L-0:on 820816,1A3 4.16 Kv Bus Failed.Caused by Load Shedding Relay in Vital/Nonvital Tie Breaker Opening Breaker,As Result of Operator Closing Breaker Door.Bus re-energized (← links)
- 05000335/LER-1983-009-03, /03L-0:on 830207,train Heaters for Shield Bldg Ventilation Sys Tripped Off Due to High Temp.Caused by Defective Fenwal Model 543 Temp Controller.Controller Replaced (← links)
- 05000335/LER-1982-062-03, /03L-0:on 821126,safety Injection Signal Inadvertently Actuated While Performing Monthly Preventive Maint Test.Caused by Incorrectly Positioned Trip Test Switch.Undervoltage Relay Properly Set (← links)
- 05000335/LER-1982-056-03, /03L-0:on 821111,control Element Assembly Motion Inhibit Circuit for out-of-sequence Deviation Scanner Failed.Caused by Loose Relay Socket in Circuitry.Relay Reseated & Circuitry Returned to Svc (← links)
- 05000335/LER-1982-050-03, /03L-0:on 821023,during Recovery from Reactor Trip,All Three Charging Pumps Operating to Recover Pressurizer Level Became Gas Bound.Caused by Vol Control Tank Pumped Dry & Hydrogen Admitted to Pump Suctions (← links)
- 05000335/LER-1982-049-03, /03L-0:on 821018,pulse Counting Function of Control Element Assembly 41 Found Deleted.Caused by Operator Error During Setup for Moderator Temp Coefficient Test. Operators Instructed to Run Deletion Log After Readjustment (← links)
- 05000335/LER-1982-048-03, /03L-0:on 821003,diesel Generator 1A Fuel Oil Sys Found Inoperable Due to Isolated Fuel Oil Transfer Pump. Caused by Isolation of Fuel Oil Pump for 821001 Preventive Maint.Sys Verified & Returned to Svc (← links)
- 05000335/LER-1982-047-03, /03L-0:on 820930,reactor Protection Sys Logic Matrix Relay BD-2 Failed During Periodic Testing.Caused by Relay Being Electrically Opened.Relay Replaced.Periodic Testing Will Identify Future Similar Failures (← links)
- 05000335/LER-1982-044-03, /03L-0:on 820923,pulse Counting Function for 21 Control Element Assemblies Found Deleted During Normal Testing.Caused by Personnel Error.Methods for Alerting Operators Investigated (← links)
- 05000335/LER-1982-045-43, /43X-0:on 820913,wash Trough Used to Decontaminate Respirators & Similar Items Found Not Draining Into Radwaste Sys.Caused by Error Resulting from Personnel Turnover.Drain Rerouted.Dump Area Surveys Will Continue (← links)
- 05000335/LER-1983-003-03, /03L-0:on 830108,dose Equivalent Iodine Exceeded Tech Spec Limit of 1.0 Uci/G.Caused by Iodine Spiking Phenomenon in Primary Coolant Due to Transient Resulting from Power Reduction Below Point of Adding Heat (← links)
- 05000335/LER-1983-002-03, /03L-0:on 830106,pressurizer Surge Line Sample Containment Isolation Valve Failed to Close Upon Signal from Remote Switch.Caused by Mechanical Freeze Due to Corrosion Buildup Between Bonnet & Stem.Valve Repaired (← links)
- 05000335/LER-1982-066-03, /03L-0:on 821209,during Surveillance Test, Auxiliary Feedwater Pump 1C Flow Control Valve MV-09-11 Failed to Cycle.Caused by Torque Switch Roller Shaft Bearing Being 1/4 Inch Short.Torque Switch Replaced (← links)
- 05000335/LER-1982-065-03, /03L-0:on 821213,train a Containment Spray Flow Control Valve FCV 07-1A Would Not Open Fully.Caused by Mechanical Failure of Solenoid Operated Air Control Valve. Valve Replaced (← links)
- 05000335/LER-1982-063-01, /01T-0:on 821215,during Full Power,Surveillance Revealed That Neither Fire Pump Would Start Automatically Upon Test of Any Four Sys Pressure Switches.Caused by One Firewater Header Pressure Switch in Isolation Mode (← links)
- 05000335/LER-1982-061-03, /03L-0:on 821127,during Routine Power Ascension & Positioning for Rod Programming Requirement for Minimizing Control Element Assembly (CEA) Guide Tube Wear,Cea 43 Dropped to Full Insertion.No Cause Found (← links)
- 05000335/LER-1981-002-03, /03L-0:on 810122,digital Data Processing Sys Computer Dropped off-line,resulting in Loss of Control Element Assembly Pulse Counting Backup Position Indication. Caused by Software Problem.Problem Under Investigation (← links)
- 05000335/LER-1982-041-03, /03L-0:on 820907,at 99% Power,Reactor/Turbine Trip Occurred Resulting in Brief Loss of Vital Buses & Iodine Spike.Caused by Motor Auxiliary Contact Initiating False Loss of Load & Inhibit Signals (← links)
- 05000335/LER-1982-038-03, /03L-0:on 820816,after Manual Unit Trip,Dose Equivalent I-131 Exceeded Limit of 1.0 Uci/Gm I-131.Extended Period of Power Operation W/Nominal Fuel Leakage Resulted in Iodine Buildup in Primary Coolant (← links)
- 05000335/LER-1982-035-03, /03L-0:on 820812,two of Three Control Room Air Conditioning Units Out of Svc Simultaneously for Approx 8-h. Caused by Locked Rotor Due to Water Entry Into Fan Motor. Motor Replaced (← links)
- 05000335/LER-1982-036-03, /03L-0:on 820813,at 99% Power W/Charging Pump B Out of Svc,Charging Pump C Taken Out of Svc to Recharge Discharge Accumulator.Pump Recharged & Restored to Operable Status (← links)
- 05000335/LER-1982-030-03, /03L-0:on 820725,channel Ma Containment Isolation Signal Radiation Monitor Failed Low.Caused by Failed Action Model 4300-159 V/I Converter.Converter Replaced (← links)
- 05000335/LER-1982-033-03, /03L-0:on 820721,during Normal Surveillance Testing,Diesel Generator Turbocharger Failed.Caused by Broken Coupling on Soak Back Oil Pump Due to Insufficient Lubrication to Turbocharger Guide & Thrust Bearings (← links)
- 05000335/LER-1982-027-03, /03L-0:on 820715,dc Ground Isolated on Solenoid Valve V6554.Caused by Valve Failing to Properly Indicate Position Due to Shorted Terminal Lugs on Terminal Board of Valve.Lugs Reconnected & Valves Returned to Svc (← links)
- 05000335/LER-1982-032-03, /03L-0:on 820708,MV-09-12 Discharge Valve for Steam Driven 1C Auxiliary Feedwater Pump to B Steam Generator Would Not Cycle Properly.Caused by Torque Limiter Switch Malfunction.New Motor Installed (← links)
- 05000335/LER-1982-029-03, /03L-0:on 820629,during Full Power Operation, Primary & Backup Heat Tracing Sys for Boron Injection Flow Paths from Boric Acid Makeup Tanks Isolated.Caused by Personnel Error.Heat Tracing re-energized (← links)
- 05000335/LER-1978-035, Forwards LER 78-035/03L-0 (← links)
- 05000335/LER-1978-035-03, /03L-0 on 780905:During Full Pwr Oper 2 Damper Motors in the Suction Line for ECCS Area Exhaust Fan HVE-9B Blew Control Circuit Fuses,Caused by Loss of Insulating Fluid Thru Leaking Gasket in One Motor,Shorting Both Out (← links)
- 05000335/LER-1982-031-03, /03L-0:on 820702,during Normal Operation Containment Isolation Valve V5201 Failed to Shut.Caused by Leaking Packing.Valve Repaired (← links)
- 05000335/LER-1982-023-99, /99X-0:on 820614,fire Detection Instrument Channels 2.01.13,2.01.14 & 2.02.13 in Containment at 18-ft Level & Below Alarmed.Cause Not Determined.Instrument Repairs Will Be Done When Shutdown Allows Accesibility (← links)
- 05000335/LER-1982-024-03, /03L-0:on 820616,diesel Generator 1B Failed Due to Loss of Oil Pressure During Turbocharger Coastdown.Caused by Failed Turbocharger Unit.Turbocharger & Oil Pump Replaced (← links)
- 05000335/LER-1982-015-03, /03L-0:on 820423,during Normal Full Power Operation,Radiation Channel MD Failed Routine Surveillance. Caused by Failure of action-PAK Model 4300-159 E to I Converter.Instrument Repaired (← links)
- 05000335/LER-1982-015, Forwards LER 82-015/03L-0 (← links)
- 05000335/LER-1982-014-03, /03L-0:on 820424,during Power Operation,Rcs Leakage Exceeded Limit of 10 Gpm.Caused by Failed Body to Bonnet Gasket on V-1237 Pressurizer mini-spray Valve.Valve Isolated to Stop Leakage.Gasket Replaced (← links)
- 05000335/LER-1982-014, Forwards LER 82-014/03L-0 (← links)
- 05000335/LER-1982-012-03, /03L-0:on 820410,while Operating at 99% Power,W/ Charging Pump B Out of Svc,Charging Pump C Exhibited Low Flow & Declared Inoperable.Caused by Faulty Pump Internal Suction & Discharge Valves.Valves Replaced (← links)
- 05000335/LER-1982-012, Forwards LER 82-012/03L-0 (← links)
- 05000335/LER-1982-013, Forwards LER 82-013/03L-0 (← links)
- 05000335/LER-1982-007-03, /03L-0:on 820218,while at 98% Power,Heater 6B2 in Ventilation Sys Which Provides Humidity Control Found Inoperable.Caused by Defective Thermocouple Amplifier Which de-energized Heater.Amplifier Repaired & Heater Retested (← links)
- 05000335/LER-1982-007, Forwards LER 82-007/03L-0 (← links)
- 05000335/LER-1982-008-03, /03L-0:on 820226,during Surveillance Testing, MV1403 (Block Valve for Power Operated Relief Valve) Would Not Shut.Cause Will Be Investigated During Next Shutdown (← links)
- 05000335/LER-1982-008, Forwards LER 82-008/03L-0 (← links)
- 05000335/LER-1982-009-03, /03L-0:on 820317,while Operating at 98% Power, Weekly Surveillance of Core Barrel Movement Required by Tech Spec 3.4.11 Was Not Performed.Surveillance Was Inadvertently Overlooked.Personnel Instructed to Perform Surveillance (← links)
- 05000335/LER-1982-009, Forwards LER 82-009/03L-0 (← links)
- 05000335/LER-1982-010-03, /03L-0:on 820221,during Surveillance of Hot Shutdown Panel,Steam Generator Level Indicator FP 9009 Showed No Indication.Caused by Sticking Meter Movement of Sigma Model 922-00E.Sys Repaired & Returned to Operation (← links)
- 05000335/LER-1982-010, Forwards LER 82-010/03L-0 (← links)
- 05000335/LER-1982-006-03, /03L-0:on 820208,small Bore Piping Mechanical Snubber 146 Found Locked Up.Cause Not Determined.Snubber Replaced.Complete Rept of Snubber Insp Available in Response to IE Bulletin 81-01 (← links)
- 05000335/LER-1982-006, Forwards LER 82-006/03L-0 (← links)
- 05000335/LER-1982-005-03, /03L-0:on 820204 & 14,during Full Power Operation, Two Out of Three Control Room Air Conditioning Units Out of Svc Simultaneously.Caused by Stuck Dampers & Faulty Linkage & Valves.Units Repaired & Returned to Svc (← links)
- 05000335/LER-1982-005, Forwards LER 82-005/03L-0 (← links)
- 05000335/LER-1982-002-03, /03L-0:on 820121,subcooled Margin Monitor Instrument Declared Out of Svc.Cause Not Determined.Monitor Began Operating Properly During Troubleshooting (← links)
- 05000335/LER-1982-002, Forwards LER 82-002/03L-0 (← links)
- 05000335/LER-1982-001-03, /03L-0:on 820107,during Refueling Outage & Subsequent Startup Period,Radiation Levels Exceeded Setpoint Rendering Channel 7 Inoperable.Caused by Misunderstanding of Surveys.Training Instituted (← links)
- 05000335/LER-1982-001, Forwards LER 82-001/03L-0 (← links)
- 05000335/LER-1982-004-03, /03L-0:on 820110,at 94% Power,Wide Range Nuclear Instrumentation Channel C Failed.Cause of Failure of Gamma Metrics RCS 200 Neutron Flux Monitor Cannot Be Determined During Power Operation Due to Inaccessibility (← links)
- 05000335/LER-1982-004, Forwards LER 82-004/03L-0 (← links)
- 05000335/LER-1982-003-03, /03L-0:on 820109,control Room Air Intake Chlorine Monitor CL2-SM-1A Failed & Attempts to Reset Were Unsuccessful.Cause Not Determined.Detector Flushed W/ Demineralized Water & Reset (← links)
- 05000335/LER-1982-003, Forwards LER 82-003/03L-0 (← links)
- 05000335/LER-1981-059-03, /03L-0:on 811222,containment Vacuum Relief Valve FCV-25-8 Discovered to Be Inoperable.Caused by Faulty Vacuum Relief Solenoid.Solenoid Replaced.Vacuum Retested Satisfactorily (← links)
- 05000335/LER-1981-059, Forwards LER 81-059/03L-0 (← links)
- 05000335/LER-1981-058-03, /03L-0:on 811222,containment Isolation Channel Mc High Radiation Bistable Was Out of Tolerance in Nonconservative Direction.Cause Not Stated.Mc Hi Radiation Bistable Readjusted (← links)
- 05000335/LER-1981-058, Forwards LER 81-058/03L-0 (← links)
- 05000335/LER-1981-056-03, /03L-0:on 811219,while at 98% Power,Both MSIVs Closed Resulting in Reactor trip,V1200 to Lift & RCS D.E I-131 to Go High Out of Spec.Caused by Improperly Adjusted Ring Set Screws,Nozzle & Nozzle Ring (← links)
- 05000335/LER-1981-056, Forwards LER 81-056/03L-0 (← links)
- 05000335/LER-1981-060-03, /03L-0:on 811221,primary Sampling Sys Valve V-5203 Would Not Shut Automatically on Containment Isolation Signal.Caused by Valve Being Incorrectly Wired & Improperly Tested During TMI Mods (← links)
- 05000335/LER-1981-060, Forwards LER 81-060/03L-0 (← links)
- 05000335/LER-1981-061-03, /03L-0:on 811221,routine Surveillance Revealed That HCV-14-8B Would Shut Only 70% of Full Stroke.Caused by Leaking Air Supply Control Solenoid.Solenoid Replaced (← links)
- 05000335/LER-1981-061, Forwards LER 81-061/03L-0 (← links)
- 05000335/LER-1981-054-03, /03L-0:on 811207,during QC Review of Records,Noted That Nov Surveillance on 1C Intake Cooling Water Pump Had Not Been Done on 811116.Cause Not Stated.Surveillance Run on Pump Satisfactorily Completed on 811218 (← links)
- 05000335/LER-1981-054, Forwards LER 81-054/03L-0 (← links)
- 05000335/LER-1981-052-03, /03L-0:on 811210,more than Three Incore Detector Alarms in Alarm Condition & Appropriate Action Not Taken. Caused by vendor-supplied Software Utilizing Incorrect Flux Inputs in Arriving at Setpoints (← links)
- 05000335/LER-1981-052, Forwards LER 81-052/03L-0 (← links)
- 05000335/LER-1981-057-03, /03L-0:on 811106,NRC Inspector Noticed Grease on Fitting Used to Addl Fluid to Hydraulic Snubber.Eight Snubbers in Component Cooling Sys Contaminated.Caused by Improper Lubrication.Snubbers Rebuilt (← links)
- 05000335/LER-1981-057, Forwards LER 81-057/03L-0 (← links)
- 05000335/LER-1981-055-03, /03L-0:on 811219,during Normal Reactor Startup, Surveillance Requirement to Manually Trip Rx Trip Breakers Not Performed Per Tech Spec Limits.Caused by Personnel Error (← links)
- 05000335/LER-1981-055, Forwards LER 81-055/03L-0 (← links)
- 05000335/LER-1981-050-03, /03L-0:on 811201,during Zero Physics Testing, Surveillance Requirement to Suspend Shutdown Margin Was Not Met W/Rods Not Tripped within Previous 24-h.Caused by Failure to Follow Procedure.Procedure Clarified (← links)
- 05000335/LER-1981-050, Forwards LER 81-050/03L-0 (← links)
- 05000335/LER-1981-051-03, /03L-0:on 811128 & 30,electric Driven Auxiliary Feedwater Pump a Failed to Start.Caused by Loose Bolt on Floor Interlock Lever of Pump Breaker Causing Intermittent Actuation of Trip Plunger.Bolt Tightened (← links)
- 05000335/LER-1981-051, Forwards LER 81-051/03L-0 (← links)
- 05000335/LER-1981-046-01, /01T-0:on 811023 Steam Generator Eddy Current Testing Determined 24 of 2,282 Tubes Inspected in Steam Generator a & 42 of 3,228 Tubes in Generator B Exceeded 40% Degradation.Tubes W/Excess 20% Degradation Plugged (← links)
- 05000335/LER-1981-047-03, /03L-0:on 811010,maint & vendor-recommended Mods Performed on Diesel Generator A.During Retest Run Engine Turbocharger Failed.Cause Not Determined (← links)
- 05000335/LER-1981-047, Forwards LER 81-047/03L-0 (← links)
- 05000335/LER-1981-048-03, /03L-0:on 811012,SMR-42-1 Would Not Actuate in Negative Direction & SMI-42-11 Slightly Out of Tolerance on Indication.Caused by Slightly off-ctr Spring Mass Mechanism for SMR-42-1 & Setpoint Drift for SMI-42-11 (← links)
- 05000335/LER-1981-048, Forwards LER 81-048/03L-0 (← links)
- 05000335/LER-1981-045-03, /03L-0:on 810930,reactor Protection Sys loss-of- Load Pressure Switch Points Found 50 Psi Below Limit.Caused by Setpoint Drift.Switches Recalibr to 800 Psig.Procedure Changed to Calibr Switches at 1,000 Psig (← links)
- 05000335/LER-1981-045, Forwards LER 81-045/03L-0 (← links)
- 05000335/LER-1981-043-03, /03L-0:on 810918,1A Battery Charger Shut Down on High Voltage During Battery Charging Surveillance.Caused by Defective Shutdown Device.Device Replaced (← links)
- 05000335/LER-1981-043, Forwards LER 81-043/03L-0 (← links)
- 05000335/LER-1981-042-03, /03L-0:on 810912,test Revealed That 12 DG Loading Timers Were Out of Tolerance,That Containment Spray Pump 1A & Containment Cooling Fan 1B Did Not Start & That Intake Cooling Water Pump 1C Did Not Strip on Undervoltage (← links)
- 05000335/LER-1981-042, Forwards LER 81-042/03L-0 (← links)
- 05000335/LER-1981-041-03, /03L-0:on 810908,after Plant Trip from 100% Power Due to Main Generator Ground,Dose Equivalent I-131 Exceeded Limit.Cause by Trip After Extended Period of Operation.Dose Equivalent Decreased to Below Limit After 12-h (← links)
- 05000335/LER-1981-041, Forwards LER 81-041/03L-0 (← links)
- 05000335/LER-1982-053-03, While Performing post- Maint Surveillance Test of Steam Driven Auxiliary Feedwater Pump 1C,steam Supply Valve MV-08-13 Failed to Open.Caused by Failed Pump Start Switch.Switch Replaced (← links)
- 05000335/LER-1982-053, Forwards Updated LER 82-053/03X-1 (← links)
- 05000335/LER-1983-004-03, /03L-0:on 830114,auxiliary Feedwater Pump C Trip & Throttle Valve Not Manually Reset.Caused by Operator Oversight.Operator Counseled on Correct Trip Operation (← links)
- 05000335/LER-1983-004, Forwards LER 83-004/03L-0 (← links)
- 05000335/LER-1982-067-03, /03L-0:on 821225,redundant 120-volt Ac Instrument Power Bus Lost When Output Breaker of Static Inverter 1A Opened,Causing Loss of Reactor Protection & ESF Channel. Caused by Defective Output Frequency Module.Module Adjusted (← links)
- 05000335/LER-1982-067, Forwards LER 82-067/03L-0 (← links)
- 05000335/LER-1982-046-03, /03L-0:on 820923,auxiliary Feedwater Pump 1C Tripped on Overspeed.Caused by Failed Ramp Generator. Generator Replaced (← links)
- 05000335/LER-1982-046, Forwards LER 82-046/03L-0 (← links)
- 05000335/LER-1982-043-03, /03L-0:on 820923,at 100% Power,T Hot Input to Subcooled Margin Monitor Became Erratic,Giving False Indication & Alarms.Cause Undetermined.Malfunction Cleared When Cover of Junction Box Removed (← links)
- 05000335/LER-1982-043, Forwards LER 82-043/03L-0 (← links)
- 05000335/LER-1982-040-03, /03L-0:on 820902,short Caused Generator Breakers to Open & Synchronizing Inhibit Timer to Start.Caused by Personnel Short Circuiting Relay During Generator Negative Sequence Relay Testing.Protection Design Reviewed (← links)
- 05000335/LER-1982-040, Forwards LER 82-040/03L-0 (← links)
- 05000335/LER-1982-034-03, /03L-0:on 820804,refueling Water Tank Level Transmitter LT-07-2B Failed High.Caused by Leakage Past Diaphragm.Transmitter Dismantled,Reassembled & Tested Satisfactorily (← links)
- 05000335/LER-1982-034, Forwards LER 82-034/03L-0 (← links)
- 05000335/LER-1983-027-03, /03L-0:on 830531,periodic Surveillance of Fuel Handling Bldg Area Radiation Monitors Not Performed Per Tech Specs.Caused by Incorrect Surveillance Procedure & Personnel Error.Procedure Revised (← links)
- 05000335/LER-1983-025-03, /03L-0:on 830419,31-day Fire Station Insp Interval Exceeded.Caused by Personnel Oversight.Personnel Advised of Importance of Performing Required Insps (← links)
- 05000335/LER-1983-025, Forwards LER 83-025/03L-0 (← links)
- 05000335/LER-1983-021-03, /03L-0:on 830329,w/refueling Cavity Filled Greater than 23 Ft,Two Shutdown Cooling Hot Leg Suction Valves Closed,Isolating Flow to Core.Caused by Shorting Out of Power Supply to Control Circuit.Power Restored (← links)
- 05000335/LER-1983-021, Forwards LER 83-021/03L-0 (← links)
- 05000335/LER-1981-044, Forwards LER 81-044/03L-0 (← links)
- 05000335/LER-1981-040-03, /03L-0:on 810818,engineered Safeguards Sys Channel a Containment Pressure Setpoints for Safety Injection & Containment Isolation & Spray Found Out of Tolerance in Nonconservative Direction.Caused by Instrument Drift (← links)
- 05000335/LER-1981-040, Forwards LER 81-040/03L-0 (← links)
- 05000335/LER-1981-039, Forwards LER 81-039/03L-0 (← links)
- 05000335/LER-1981-037-03, /03L-0:on 810705,measured Discard Containment Pressure Transmitter Alarmed Intermittently & Finally Failed.Cause Unknown.Transmitter Repaired by Replacing Oscillator & Force Motor (← links)
- 05000335/LER-1981-037, Forwards LER 81-037/03L-0 (← links)
- 05000335/LER-1981-036-03, /03L-0:on 810701,measured Discard Containment Pressure Transmitter Failed Intermittently.Cause Not Stated.Spare Transmitter (Fischer-Porter Model 50EN1071BCXANS) Used to Replace Original Transmitter (← links)
- 05000335/LER-1981-036, Forwards LER 81-036/03L-0 (← links)
- 05000335/LER-1981-035-03, /03L-0:on 810701,RCS Inventory Balance Indicated Unidentified Leakage Greater than 1 Gpm.Caused by Scratches on V2318.Seat Lapped & Disc,Stem & All Gaskets Replaced (← links)
- 05000335/LER-1981-035, Forwards LER 81-035/03L-0 (← links)
- 05000335/LER-1981-034-03, /03L-0:on 810626,control Element Assembly (CEA) 61 Dropped to Full Insertion While Being Inserted for Periodic CEA Exercise.Cause Unknown (← links)
- 05000335/LER-1981-034, Forwards LER 81-034/03L-0 (← links)
- 05000335/LER-1981-033-03, /03L-0:on 810625,setpoint for Engineered Safeguard Sys Channel C Containment Pressure Was Found Out of Tolerance in Nonconservative Direction.Caused by Setpoint Drift.Setpoint Readjusted (← links)
- 05000335/LER-1981-033, Forwards LER 81-033/03L-0 (← links)
- 05000335/LER-1981-028-03, /03L-0:on 810522,during Normal Operations,One of Two Chlorine Detectors in North Control Room Air Intake Failed.Caused by Clogging of Wick.Wick Replaced (← links)
- 05000335/LER-1981-028, Forwards LER 81-028/03L-0 (← links)
- 05000335/LER-1981-029-03, /03L-0:on 810528,while Performing Engineered Safety Feature Channel Functional Test,Steam Generator Pressure Channel Mc Setpoint Was Less than Tech Specs. Cause of Drift Undetermined.Setpoint Adjusted (← links)
- 05000335/LER-1981-029, Forwards LER 81-029/03L-0 (← links)
- 05000335/LER-1981-032-03, /03L-0:on 810624,plant Personnel Determined Periodic Test of AB Battery Charger Had Not Been Performed. Caused by Interpreting Tech Specs Precisely.Test Satisfactorily Performed (← links)
- 05000335/LER-1981-032, Forwards LER 81-032/03L-0 (← links)
- 05000335/LER-1981-026-03, /03L-0:on 810529,during Full Power Control Element Assembly Exercising,Linear Reed Switch Position Indication for Control Element Assembly 30 Failed.Cause Undetermined. Investigation Planned During Next Outage (← links)
- 05000335/LER-1981-026, Forwards LER 81-026/03L-0 (← links)
- 05000335/LER-1981-027-03, /03L-0:on 810519,while Cleaning Condenser Water Boxes,Control Element Assembly 65 Dropped While Being Inserted.Cause Unknown.Assembly Returned to Group Position (← links)
- 05000335/LER-1981-027, Forwards LER 81-027/03L-0 (← links)
- 05000335/LER-1981-031-03, /03L-0:on 810605,electrical Ground Occurred on 125-volt Dc Bus B.Caused by Grounded Coil in Faulty Electrohydraulic Actuator for Governor Valve.Spare Actuator Installed (← links)
- 05000335/LER-1981-031, Forwards LER 81-031/03L-0 (← links)
- 05000335/LER-1981-030-03, /03L-0:on 810603,control Element Assembly Motion Inhibit Circuit for Power Dependent Insertion Limit Failed. Caused by Failure of Relay in Metrascope Limit Circuit. Relay Replaced & Circuit Repaired (← links)
- 05000335/LER-1981-030, Forwards LER 81-030/03L-0 (← links)
- 05000335/LER-1982-004, Forwards LER 82-004/03L-0 (← links)
- 05000335/LER-1982-053, Forwards Updated LER 82-053/03X-1 (← links)
- 05000335/LER-1982-067, Forwards LER 82-067/03L-0 (← links)
- 05000335/LER-1982-046, Forwards LER 82-046/03L-0 (← links)
- 05000335/LER-1982-040-03, /03L-0:on 820902,short Caused Generator Breakers to Open & Synchronizing Inhibit Timer to Start.Caused by Personnel Short Circuiting Relay During Generator Negative Sequence Relay Testing.Protection Design Reviewed (← links)
- 05000335/LER-1982-034, Forwards LER 82-034/03L-0 (← links)