Pages that link to "05000354/LER-2009-001, Regarding Reactor Manual Scram Due to Turbine Runback"

The following pages link to 05000354/LER-2009-001, Regarding Reactor Manual Scram Due to Turbine Runback:

Displayed 7 items.

• 05000354/LER-2009-001 (redirect page) ‎ (← links)
  • 05000354/LER-2001-006 ‎ (← links)
  • 05000354/LER-2001-003 ‎ (← links)
  • 05000354/LER-2001-002 ‎ (← links)
  • 05000354/LER-2001-001 ‎ (← links)
  • IR 05000354/2009002 ‎ (← links)
  • 05000354/LER-1995-017, Forwards LER 95-017 Re Inadequate Testing of Emergency Bus Undervoltage Logic Circuitry,Missed Surveillance Test & DGs Being Declared Inoperable ‎ (← links)
  • 05000354/LER-1996-025, Forwards LER 96-025-00.Commitments Listed Including Work Order Initiated to Install Recording Instrumentation to Determine Actual Line Dynamics During Next RCIC warm-up ‎ (← links)
  • 05000354/LER-1997-008, Forwards LER 97-008-00 Entitled, ESF Actuation: C Svc Water Pump Auto-Start. Commitments,Encl ‎ (← links)
  • 05000354/LER-1996-030, Submits List of Commitments Re Unplanned HPCI Sys Inoperability Due to Stuck Open Extended Containment Boundary Valve in LER 96-030-00 ‎ (← links)
  • 05000354/LER-1996-028, Forwards LER 96-028-00,submitted Pursuant to Requirements of 10CFR50.73(a)(2)(v).Commitments Listed ‎ (← links)
  • 05000354/LER-1998-006, Forwards LER 98-006-00,entitled Inadequate Performance of Primary Containment Integrity Verification, IAW 10CFR50.73(a)(2)(i)(B).Commitments Made by Util,Encl ‎ (← links)
  • 05000354/LER-1999-006, Forwards LER 99-006-00 Re Esfa B Channel Primary Containment Isolation Signal Actuation.Attachment a Lists Commitments Util Making to NRC Re LER ‎ (← links)
  • 05000354/LER-1997-026, Forwards LER 97-026-00,re Inoperable E Filtration, Recirculation,Ventilation Sys Recirculation Unit Due to Tripped High High Temperature Switch.Commitment,Listed ‎ (← links)
  • 05000354/LER-1988-022, Special Rept 88-006-00:on 880826,HPCI Injection Occurred. Caused by Low Reactor Vessel Level Signal Following Reactor Scram Described in LER 88-022-00.HPCI Injection Nozzle Usage Factor Not Calculated ‎ (← links)
  • 05000354/LER-1986-074, Resubmits LER 86-074-00.LER Found Out of Original Envelope & Loose in Mail ‎ (← links)
  • 05000354/LER-1998-004, Forwards LER 98-004-00 Re EDG Inoperability in Excess of Allowed Outage Time,Due to High Particulate Concentration in Diesel Fuel Oil Storage Tanks ‎ (← links)
  • 05000354/LER-1989-009, Forwards Corrected Page 1 of LER 89-009-00.Event & Rept Dates Incorrectly Coded ‎ (← links)
  • 05000354/LER-1998-003, Forwards LER 98-003-00 Re Concurrent Inoperability of a & B Cr.Commitments Made by Pse&G,Encl ‎ (← links)
  • 05000354/LER-1997-018, Forwards LER 97-018-00,discussing Esfa Which Resulted from RPS MG Set Breaker Trip.List of Commitments,Encl ‎ (← links)
  • 05000354/LER-1998-002, Forwards LER 98-002-00, TS Prohibited Condition - Indequate Filtration,Recirculation & Ventilation Sys Surveillance Test, Per 10CFR50.73(a)(2)(i)(B).Commitment Made by Util,Encl ‎ (← links)
  • 05000354/LER-1998-001, Forwards LER 98-001-00,re Missed HPCI Surveillance Resulting in Unavailability of HPCI ‎ (← links)
  • 05000354/LER-1999-007, Forwards LER 99-007-00,re License Condition Violation - Class-1E Battery Charging Operation.Commitments Made by Util Encl ‎ (← links)
  • 05000354/LER-1995-037, Responds to Enforcement Conference Notification Stating Wish to Waive Attending 960314 Conference.Iaw NRC Enforcement Policy,Relevant Info Re Violations Noted in Insp Rept 50-354/95-19 Provided in LER 95-037-00 ‎ (← links)
  • 05000354/LER-1994-002, Provides Clarification of Corrective Actions in LER 94-002-00 & Update on C/A Status,In Response to NOV Issued to Pse&G in NRC ‎ (← links)
  • 05000354/LER-2024-001-01, Invalid Primary Containment Integrated Leak Rate As-Found Test (ILRT) Supplement ‎ (← links)
  • 05000354/LER-2024-001, Invalid Primary Containment Integrated Leak Rate As-Found Test (ILRT) ‎ (← links)
  • 05000354/LER-2023-003-01, Inadvertent Main Turbine Control Valve Closure Caused Reactor Scram ‎ (← links)
  • 05000354/LER-2023-003, Inadvertent Main Turbine Control Valve Closure Caused Reactor Scram ‎ (← links)
  • 05000354/LER-2023-001-02, Technical Specification Required Shutdown Due to Declaring the Suppression Chamber and Primary Containment Inoperable ‎ (← links)
  • 05000354/LER-2023-001-01, Technical Specification Required Shutdown Due to Declaring the Suppression Chamber and Primary Containment Inoperable ‎ (← links)
  • 05000354/LER-2023-001, Technical Specification Required Shutdown Due to Declaring the Suppression Chamber and Primary Containment Inoperable ‎ (← links)
  • 05000354/LER-2022-001, B EDG Inoperable Resulting in a Condition Prohibited by Technical Specifications ‎ (← links)
  • 05000354/LER-2021-001, Safety Relief Valve (SRV) As-Found Setpoint Failures ‎ (← links)
  • 05000354/LER-1998-004-03, :on 980522,EDG B Declared Inoperable.Caused by Contamination W/Lubrication Oil in Delivered Fuel Oil. EDG Drained,Cleaned,Refilled & Sampled ‎ (← links)
  • 05000354/LER-1989-006-01, :on 890310,26 R Frequency Surveillance Procedures Exceeded Tech Spec Overdue Dates by Intervals of 1 to 10 Days.Caused by Less Conservative Interpretation. Schedule of Surveillance Procedures Reviewed ‎ (← links)
  • 05000354/LER-1989-017-01, :on 890830,reactor Scram Occurred Due to Result of Low Reactor Pressure Vessel Water Level Signal.Caused by Installation of Air Line Failure During Plant Const.Leak Check of All Soldered Connections Done ‎ (← links)
  • 05000354/LER-1989-001, :on 890106,during Testing,Valves Which Isolate Liquid Radwaste Discharge Line Did Not Close When Radwaste Monitor Downscale Failure Was Simulated.Caused by Design Deficiency.Design Change Implemented ‎ (← links)
  • 05000354/LER-1989-013-02, :on 890629,failure to Perform Required Local Leak Rate Testing on Hpci/Rcic Turbine Exhaust Vacuum Relief Piping Identified.Caused by Valves Not Being Included in Scope of Inservice Test Program ‎ (← links)
  • 05000354/LER-1989-005-01, :on 890301,isolation of RHR Loop Outboard Isolation Valve B Occurred During Surveillance Procedure. Caused by Noncognitive Personnel Error.Procedure Revised. Individuals Involved Counseled ‎ (← links)
  • 05000354/LER-1989-010-01, :on 890414,Tech Specs Requirement for Breaker Alignment Verification within One H of Declaring Emergency Diesel Generator Inoperability Missed.Caused by Supervisor Error.Incident Reviewed W/Personnel Involved ‎ (← links)
  • 05000354/LER-1989-011-01, :on 890427,high Radiation Area Not Properly Reposted Following Maint Per Tech Specs.Caused by Personnel Error.Exposure Doses for All Personnel Involved Reviewed & Safety Tagging Procedure Revised ‎ (← links)
  • 05000354/LER-1998-003-01, :on 980407,concurrent Inoperability of a & B CR Chillers Was Noted.Caused by Personnel Error. Performed IST Tests,Equipment Repairs,Training & Revised Procedures ‎ (← links)
  • 05000354/LER-1989-003-02, :on 890221,initiation of Invalid Channel B LOCA Signal During Testing Resulted in ESF Actuation.Caused by Momentary Failure in Test Equipment Circuitry,Causing Core Spray Logic to Lockup.Equipment Tested ‎ (← links)
  • 05000354/LER-1989-004-01, :on 890222,inadvertent Alternate Rod Insertion Signal Initiated by Redundant Reactivity Control Sys.No Control Rod Motion Occurred.Caused by Deficient Procedure. Procedure Revised to Include Resetting of Trip ‎ (← links)
  • 05000354/LER-1989-009-03, :on 890419,overvoltage Condition Affecting Class 1E Channel C Battery Charger Resulted in Loss of ECCS Instrumentation When Inverter Tripped.Caused by Personnel Error.Personnel Counselled ‎ (← links)
  • 05000354/LER-1989-016-01, :on 890802,discovered That Limit Switch Assembly on Primary Containment Instrument Gas Sys Valve Did Not Meet Requirements.Caused by Faulty Replacement in 1985. Environmentally Qualified Switch Installed ‎ (← links)
  • 05000354/LER-1988-014-02, :on 880511,RWCU Loop Isolated on High Flow Differential ESF Signal During Pressurization of Filter/ Demineralizer.Caused by Design & Procedure Deficiencies. RWCU Sys Operation Procedure Revised ‎ (← links)
  • 05000354/LER-1989-008-01, :on 890410,non-Q-listed Temp Switch Discovered Installed in Control Room Emergency Filtration Sys Chiller. Caused by Personnel Error.Train Declared Inoperable & Proper Temp Switch Obtained & Installed ‎ (← links)
  • 05000354/LER-1989-006, :on 890310,discovered That 26 R Frequency Surveillance Procedures Exceeded Tech Spec Overdue Dates by Intervals of 1 to 10 Days.Caused by Data Inputting Error in Surveillance Tracking Computer Sys ‎ (← links)
  • 05000354/LER-1989-015-01, :on 890713,discovered That Monthly Functional Test of HPCI Sys Div 1 Steam Leak Detection Temp Switch Not Performed Since 890317.Caused by Problems Encountered During Recovery from Computer Malfunction ‎ (← links)
  • 05000354/LER-1989-007-01, :on 890406,Tech Spec 3.0.3 Entered Due to Inoperability of Both Control Room Emergency Filtration (CREF) Units.Caused by Unrelated Equipment Failures in CREF a & B Trains.Failed Seal Replaced in Train a ‎ (← links)
  • 05000354/LER-1989-012-02, :on 890607,HPCI Sys Declared Inoperable Due to Steam Supply Valve Packaging Leakage on Outboard Steam Supply Isolation Valve.Caused by Compression of Packing During Normal Packing Gland Adjustments ‎ (← links)
  • 05000354/LER-1989-014-01, :on 890710,unit Experienced Single Control Rod Scram During Instrumentation & Control Surveillance Testing on Reactor Protection Sys Channel B.Caused by Blown Fuse. Scram Solenoid Fuse Replaced ‎ (← links)
  • 05000354/LER-1987-048, :on 871125,trip of Safety Auxiliary Cooling Sys (Sacs) Pumps B & D & Automatic Start of Pump a Occurred. Caused by Lack of Precautions in Sacs Venting Procedure. Procedure for Venting Room Coolers Revised ‎ (← links)
  • 05000354/LER-1987-035, :on 870804,standby Liquid Control Sys B Started,Squib Valve Fired & RWCU Isolated.Cause Undetermined.Piping Flushed & Restored to Svc & Squib Valve Replaced & Tested Satisfactory ‎ (← links)
  • 05000354/LER-1987-036, :on 870804,ventilation Duct Chase Loads from Distribution Panel a de-energized.Root Cause of Occurence Under Investigation.Procedures Will Be Revised as Necessary & Battery Chargers & Inverters Investigated ‎ (← links)
  • 05000354/LER-1987-033, :on 870730,unanticipated Initiation of Filtration,Recirculation & Ventilation Sys E Recirculation Fan Occurred.Caused by Dirty Contacts in Low Flow Switches of Sys Trains.Contacts cleaned.W/870831 1tr ‎ (← links)
  • 05000354/LER-1987-034, :on 870730,reactor Scram Occurred Due to Inadvertent Deenergizing of 120 Volt Ac Uninterruptible Power Supply Inverter.Caused by Inadequate Equipment Operator Training Program.Training Upgraded ‎ (← links)
  • 05000354/LER-1987-018, :on 870224,unanticipated Failure of MSIV to Close on Signal Occurred.Caused by Accidental Intrusion of Foreign Matl.Solenoids in MSIV Pneumatic Valve Operator Replaced & MSIV Inoperability Verified ‎ (← links)
  • 05000354/LER-1987-031, :on 870714 & 27,filtration,recirculation & Ventilation Sys Auto Initiations Occurred.Caused by Procedural Deficiency.Procedures Revised & Reviewed W/ Appropriate Staff ‎ (← links)
  • 05000354/LER-1987-030, :on 870714,HPCI Initiation Occurred While Valving in Level Transmitter on Low Pressure Side of Reactor Vessel Level Ref Leg.Caused by Design Deficiency in Transmitter.Design Change Implemented ‎ (← links)
  • 05000354/LER-1987-029, :on 870718,discovered That Instrument Root Valve (Irv) on RHR Pump C Discharge Line Closed.Cause Could Not Be Determined.All RHR & Core Spray Irvs to Automatic Depressurization Sys Verified to Be Open ‎ (← links)
  • 05000354/LER-1987-032, :on 870729,discrepancies Discovered Between Measured & Indicated Flows for Filtration,Recirculation & Ventilation Sys (FRVS) B.Caused by Incorrect Calibr Procedure.Frvs Recalibr.Procedure Updated ‎ (← links)
  • 05000354/LER-1987-050, :on 871204,determined Surveillance Missed for MSIV Outboard Steam Sealing Gas Test Line Isolation Valve on 871111 Test.Caused by Personnel Error.Procedure for Tracking Surveillance Testing Reinforced W/Personnel ‎ (← links)
  • 05000354/LER-1987-040, :on 870910,two Isolations of RWCU Sys Occurred. Caused by High Differential Signal Due to Two Drain Valves Left Open & Personnel Errors While Placing Pump Back in Svc. Operator Counseled & Procedures Reviewed ‎ (← links)
  • 05000354/LER-1987-046, :on 871016,initiation of Primary Containment Isolation Sys B Occurred While Swapping Reactor Protection Sys from Normal to Alternate Bus Power.Caused by Lack of Indication Alerting Operators of First Trip ‎ (← links)
  • 05000354/LER-1987-045, :on 871007,primary Containment Isolation Sys Initiation When Restoring Power to Logic Cabinet.Caused by Spurious Logic Module Inputs.No Specific Corrective Actions Assigned ‎ (← links)
  • 05000354/LER-1987-005-03, :on 870624,loose Parts Monitor Printer Declared Inoperable After Routine Insp Revealed Problems W/Printer. New Printer Ordered But Not Received Before Expiration of 30-day Limiting Condition for Operation ‎ (← links)
  • 05000354/LER-1987-047, :on 871010,safety Relief Valve Failed to Close on Signal.Caused by Sand Blasting Grit in Solenoid Valve. Malfunctioning Target Rock Valve Replaced & Solenoids of Other Safety Relief Valves Inspected ‎ (← links)
  • 05000354/LER-1987-044, :on 870925,isolation of RHR Sys Occurred During Performance of Instrument & Control Surveillance Test on Reactor Vessel Pressure Transmitter.Caused by Possible Loose Connection on Calibr Card or Wire ‎ (← links)
  • 05000354/LER-1987-028, :on 870629 & 0701,RWCU Sys Isolation Occurred. Caused by Design Deficiencies.Procedure for Operation of Rwcs Reviewed by Chemistry Dept & Revised to Explicitly Define Valving Sequence ‎ (← links)
  • 05000354/LER-1987-027, :on 870626,Channel C HPCI Isolation Occurred. Caused by Failed Temp Module.All Currently Installed Riley Tempmatic 86 Temp Modules Replaced W/Newer Model & Design Change Initiated ‎ (← links)
  • 05000354/LER-1987-043, :on 870922,NSSSS Channel D Isolation of RHR Sys Occurred When Fuse Blown During Performance of Surveillance Procedure.Caused by Insufficient Work Space Due to Design Deficiency.Fuse Replaced ‎ (← links)
  • 05000354/LER-1987-042, :on 870920,LOCA Signal Resulted in Isolation of Various Channel a Components.Caused by Leaking Instrument Valve.Instrument Isolation Valve Repaired & Sensor Calibr Procedure Reperformed Satisfactorily ‎ (← links)
  • 05000354/LER-1987-041, :on 870910,channel Functional Test Overdue on Primary Containment Instrument Gas Sys.Caused by Personnel Unfamiliar W/New Computerized Scheduling Sys.Training in Proper Use of New Scheduling Sys Enhanced ‎ (← links)
  • 05000354/LER-1989-002-02, :on 890130,control Room Emergency Filtration Sys a Automatically Started in Response to Invalid Signal from Radiation Monitoring Sys.Caused by Voltage Transient in Channel C.Precaution Added to Procedures ‎ (← links)
  • 05000354/LER-1987-026, :on 870615,motor-operated Valves Thermal Overloads Installed W/O Bypass Capability Per Tech Spec Requirement.Caused by Inadequate Design Review & Tech Spec Implementation.Design Change Initiated ‎ (← links)
  • 05000354/LER-1987-025, :on 870611,sampling Frequency for Liquid Effluents (Composite Tritium & Gross Alpha) Required by Chemistry Dept Procedures Determined Inconsistent W/Tech Specs.Caused by Personnel Error ‎ (← links)
  • 05000354/LER-1989-001-02, :on 890118,RWCU Sys Isolation Occurred While Performing Warmup of RWCU Pump B.Caused by Personnel Error. Nuclear Shift Supervisor Counseled & Procedure for Warming Pump Will Be Revised to Ensure Controls ‎ (← links)
  • 05000354/LER-1987-024, :on 870608,Channel a Primary Containment Isolation Sys Isolation Occurred When Two Functional Tests Being Performed at Same Time.Caused by Procedural Inadequacy.Procedures Revised ‎ (← links)
  • 05000354/LER-1987-039, :on 870829,during Performance of Weekly Turbine Overspeed Protection Operbility Test,Reactor Scram Occurred. Caused by Pressure Transient Induced in Electrohydraulic Control Sys.Design Change Initiated ‎ (← links)
  • 05000354/LER-1987-023, :on 870605,Tech Spec Violated Due to Drop of Emergency Diesel Generators a & B Below Min Limit.Caused by Low Pressure Alarm.Air Sys Pressure to Be Recorded Daily ‎ (← links)
  • 05000354/LER-1987-038, :on 870818,failure to Perform Surveillance of Reactor Level Instrumentation within Period Required by Tech Specs Discovered.Caused by Personnel Error.Individual Responsible for Missed Surveillance Counseled ‎ (← links)
  • 05000354/LER-1987-037, :on 870816,reactor Scram & HPCI Occurred.Caused by Deficient Feedwater Sys Operating Procedure Due to Inadequate Instructions for Removing Reactor Feed Pump Turbine from Svc.Procedure Revised ‎ (← links)
  • 05000354/LER-1999-011, :on 990919,unplanned Inoperability of HPCI Sys Occurred Due to Failure of Trip Unit Associated with HPCI Turbine Exhaust Pressure Transmitter.Failed Trip Unit Was Replaced & Procedures Were Revised.With ‎ (← links)
  • 05000354/LER-1997-022, :on 970910,unplanned Manual Scram Occurred Due to Relay Malfunction in a Phase Main Generator step-up Transformer.Sampled & Tested Oil in Main Steam Generators & Replaced Cooling Fan Control Circuit Relays ‎ (← links)
  • 05000354/LER-1997-013-01, Forwards LER 97-013-01 Re Unplanned High Pressure Coolant Injection Sys Inoperability.Attachment a Listed Item Representing Commitment ‎ (← links)
  • 05000354/LER-1997-020, :on 970828,identified Potential Design Deficiency of Safety Related Control Area Chilled Water Sys Chiller Units.Caused by Human Error in Original Design. Performed Operability Determination & Revised Evaluation ‎ (← links)
  • 05000354/LER-1998-002-02, :on 980320,determined That Inadequate Surveillance Test Existed for Filtration,Recirculation & Ventilation Sys.Caused by Inadequate Surveillance Procedure Rev in 1997.Revised Appropriate Surveillance Procedure ‎ (← links)
  • 05000354/LER-1999-010, :on 990831,automatic Isolation Signal Received. Caused by Steam Flashing That Resulted in Spurious Steam Line Pressure Signals.Isolation Signal Was re-set & warm-up of RCIC Steam Lines Was Completed.With ‎ (← links)
  • 05000354/LER-1998-001-03, :on 980213,missed HPCI Resulted in Unavailability of Hpci.Caused by Personnel Error.Reactivated Recurring Tasks & Successfully Performed Surveillance Testing ‎ (← links)
  • 05000354/LER-1987-004-03, :on 870610,north Plant Vent High Flow Sample Pump Inoperable for More than 72 H.Caused by Equipment Failure.Spare Parts for Equipment Problem on Order & Should Be Installed by 870627 ‎ (← links)
  • 05000354/LER-1997-017, :on 970731,personnel Confirmed That Battery Powered Emergency Lighting 8 H Functional Test Had Not Been Performed Since Nov 1994.Caused by Inadequate Preventive Maint Program W/Inadequate Testing.Batteries Replaced ‎ (← links)
  • 05000354/LER-1997-034-01, Forwards LER 97-034-01, Condition Prohibited by Ts:Missed EDG Surveillance. Util Commitments to NRC Re Subj LER Encl ‎ (← links)
  • 05000354/LER-1986-073, :on 861003,during Local Leak Rate Testing of Type D Electrical Penetrations,Personnel Discovered Check Valve to Electrical Peneration 1-HW-204 Installed in Reverse.Caused by Incorrect Field Installation ‎ (← links)
  • 05000354/LER-1986-071, :on 861004,two post-accident Sample Sys Valves Failed to Pass Local Leak Rate Testing.Caused by Lack of Detail on Isometric Drawings.Isometric Drawings Revised to Provide Necessary Detail Re Flow Direction ‎ (← links)
  • 05000354/LER-1986-069, :on 860924,full Reactor Scram Originating from Nuclear Instrumentation Sys Occurred.Caused by Spurious Inoperative Trip of Intermediate Range Monitor G.Testing Procedures Will Be Revised ‎ (← links)
  • 05000354/LER-1987-003-03, :on 870420,primary Containment Hydrogen/Oxygen Concentration Analyzer & Monitor Declared Inoperable for More than 7 Days.Caused by Problems During Routine Surveillance.Util Granted 72 H Extension ‎ (← links)
  • 05000354/LER-1986-062, :on 860920,discovered Monthly Functional Test of Drywell Floor & Equipment Sump Flow Monitor Not Completed.Caused by Misunderstanding.Procedure Revised ‎ (← links)
  • 05000354/LER-1986-085, :on 861114,full Reactor Scram Resulted from Valid Reactor High Pressure Signal.Caused by Personnel Improperly Calculating Peak Reactor Pressure During Turbine Control Valve Testing.Procedure Revised ‎ (← links)
  • 05000354/LER-1986-087, :on 861117,Channel a Nuclear Steam Supply Shutoff Sys Isolation Logic Inadvertently Actuated.Caused by Personnel Error Resulting in Momentary Loss of Power. Technicians Will Be Counseled ‎ (← links)
  • 05000354/LER-1986-086, :on 861114,reactor Bldg Ventilation Sys Isolated & Filtration,Recirculation & Ventilation Sys Automatically Actuated from Valid High Radiation Signal. Caused by Steam Leak in RWCU Sys.Leak Repaired ‎ (← links)
  • 05000354/LER-1986-066, :on 860907,discovered That Surveillance Testing of Main Turbine Bypass Valve Not Performed Prior to Increasing Reactor Power Above 25%.Caused by Procedural Inadequacy.Surveillance Test Procedure Revised ‎ (← links)
  • 05000354/LER-1986-088, :on 861118,discovered That Low Flow Switches for RHR Room Coolers Calibr Incorrectly.Caused by Delay in Updating Calibr Documents After Startup Deviation Rept Implemented.Icd Cards Corrected ‎ (← links)
  • 05000354/LER-1986-065, :on 860906,reactor Scram Occurred Due to Reactor Low Water Level 3 Signal.Caused by Unstable Control of Reactor Feedpump C Due to Incomplete Tuning of Associated Controller Electronics.Tuning Completed ‎ (← links)
  • 05000354/LER-1986-064, :on 860831,reactor Scram Occurred on Valid Level 3 Signal.Caused by Low Reactor Water Level Due to Feed Pump Trip Which Occurred After Reactor Level Swelled to Level 8.Procedure Re Feed Pump Reset Revised ‎ (← links)
  • 05000354/LER-1987-021, :on 870508,ESF Actuation Occurred When Reactor Protection Sys Bus a de-energized.Caused by Design Deficiency Re Use of Nonregulated Transformer.Regulating Transformer Will Be Installed ‎ (← links)
  • 05000354/LER-1987-022, :on 870509,cooling Tower Blowdown Radiation Monitoring Sys Sample Pump Found Out of Svc for Greater than 12 H & Required Grab Samples Not Taken.Caused by Personnel Error.Technician Counseled & Retrained ‎ (← links)
  • 05000354/LER-1986-084, :on 861030,radiation Protection Technician Could Not Establish Sample Flow While Attempting to Obtain Monthly Tritium Grab Sample from North Plant Vent Radiation Monitoring Skid.Caused by Personnel Error ‎ (← links)
  • 05000354/LER-1986-083, :on 861101,inadvertent Actuation of Channel D LOCA Logic Occurred from Invalid Reactor Water Level Signal. Caused by Equipment Failure in That Inboard 1 Isolation Valve Leaked Through.Valve Will Be Repaired ‎ (← links)
  • 05000354/LER-1986-052, :on 860820,discovered That One Temp Element Used in Channel B Suppression Pool Temp Monitoring Sys Averaging Circuit Not Verified Operable.Caused by Design Drawing Deficiency ‎ (← links)
  • 05000354/LER-1986-082, :on 861028,HPCI Sys Declared Inoperable After Discovery That Flow Controller Proportional Gain Adjusted Earlier W/O Retest of HPCI Sys.Caused by Personnel Error. Hpic & RCIC Returned to Operable Status ‎ (← links)
  • 05000354/LER-1986-056, :on 860808,reactor Bldg to Torus Vacuum Breakers Inoperable.Caused by Tubing Error to Differential Pressure Transmitters Controlling Inboard air-operated Butterfly Valves.Design Change Implemented ‎ (← links)
  • 05000354/LER-1986-058, :on 860808,discovered That Sampling of Cooling Tower Blowdown Not Performed.Caused by Personnel Error. Reviews by Nuclear Training Ctr & Station Managers Performed for Inclusion Into Training Programs ‎ (← links)
  • 05000354/LER-1986-057, :on 860808,inadvertent Actuation of Channel a Nuclear Steam Supply Shutoff Sys Isolation Logic Occurred Due to Loss of Power.Caused by Blown Fuse Due to Energized Terminal Grounding.Design Change Initiated ‎ (← links)
  • 05000354/LER-1987-020, :on 870421,while Shift Chemistry Technician Attempting to Place RWCU Filter/Demineralizer B in Hold Mode,Steam Leak Isolation Timer Initiated on High Differential Flow.Caused by Personnel Error ‎ (← links)
  • 05000354/LER-1986-081, :on 861023,during Manual Hot Quick Start Initiation of Hpci,Response Time Exceeded Acceptance Criteria of 27 S.Caused by Hydraulic Sys Being Out of Balance & Excessive Ramp Time ‎ (← links)
  • 05000354/LER-1986-070, :on 861022,core Spray Pump C Discharge Pressure Transmitter Isolated.Caused by Personnel Error Following Discovery of Tagging Discrepancy.Root Valve Opened & Event Reviewed W/Personnel ‎ (← links)
  • 05000354/LER-1986-080, :on 861018,full Reactor Scram Occurred from Valid Reactor Vessel Low Water Level 3 Signal.Caused by Loss of RFP Flow Due to Incorrect Field Installation of Test Jack Leads.Leads Reinstalled ‎ (← links)
  • 05000354/LER-1986-079, :on 861019,automatic Isolation of RWCU Sys from Invalid High Differential Flow Signal Occurred.Caused by Differential Flow Indication Being in Error Due to Entrapped Air in Sensing Lines.Valve Repaired ‎ (← links)
  • 05000354/LER-1987-019, :on 870401,determined That Trip Setpoints for Main Steam Line Radiation Monitors Exceeded Tech Spec Limits.On 870413,determined That Setpoint Values High.Caused by Administrative Errors.Engineers Counseled ‎ (← links)
  • 05000354/LER-1986-048, :on 860730,reactor Scrammed on Reactor Vessel Low Water Level 3 Signal.Caused by Electrohydraulic Control Sys (EHC) Power Failure.Ehc Power Supply Trip Points Calibr & Event Reviewed W/Operators ‎ (← links)
  • 05000354/LER-1987-014, :on 870211,Tech Spec Action Statement 3.4.3.2.b Entered Because of Unidentified Reactor Coolant Leakage in Drywell in Excess of 5 Gpm.Caused by Weld Failure on Drain Line.Cracked Drain Line Repaired ‎ (← links)
  • 05000354/LER-1986-047, :on 860729,spurious High Radiation Signal Received Causing Control Room Ventilation Sys to Align to Emergency Filtration Mode.Similar Events Occurred on 860504, 08 & 0707.Caused by High Voltage Drifting ‎ (← links)
  • 05000354/LER-1986-044, :on 860725,reactor Scram on Low Level Occurred Due to Electrohydraulic Control Panel Transient.Cause Attributed to Inadequate Instrumentation & Control Procedure.Procedure Revised ‎ (← links)
  • 05000354/LER-1986-042, :on 860717,HPCI Sys Actuation Occurred on Invalid Reactor Vessel Low Water Level 2 Signal from Channel C LOCA Instrumentation.Caused by Hydraulic Transient Due to Personnel Stepping on Sensing Line ‎ (← links)
  • 05000354/LER-1999-009, :on 990820,license Condition Violation Re Min FW Temp Limits Were Noted.Caused by Lightning Strike. Recovered & Restored Plant Sys Affected by Electrical Transient ‎ (← links)
  • 05000354/LER-1999-008-01, :on 990817,CR Was Notified That Control Equipment Mezzanine (CEM) Floor Drain Discovered in Open Position.Caused by Failure to Include CEM Floor Drain Valve in Tagging Control Sys.Valve Was Closed.With ‎ (← links)
  • 05000354/LER-1997-025, :on 971004,engineering Personnel Confirmed That Potential Unmonitored Release Path Existed Since Plant Startup.Caused by Human Error in Original Design & in Subsequent Design Reviews.Design Change Will Be Implemented ‎ (← links)
  • 05000354/LER-1986-036, :on 860707,control Room Supply & Exhaust Ducts to Control Room Ventilation Unit a Isolated.Caused by Spurious Upscale Spike on Radiation Monitor.Design Mod Implemented to Change Power Supplies ‎ (← links)
  • 05000354/LER-1986-089, :on 861119,inadvertent RWCU Isolation Signal Occurred Due to Invalid Signal from Steam Leak Detection Instrumentation.Caused by Design Inadequacy.Design Change to Improve Relay Access Will Be Implemented ‎ (← links)
  • 05000354/LER-1987-008, :on 870126,core Spray Pump B Discovered Running During Shift Turnover Walkdown of Control Room Panel.Caused by Failure to Remove Lead at Core Spray Div 2 Auto Start 10 Second Time Delay Relay ‎ (← links)
  • 05000354/LER-1987-010, :on 870130,NSSS Sys Channel a Isolation Occurred When Fuse Blew on Portion of Isolation Logic.Caused by Insufficient Work Space Inside Steam Leak Detection Panels.Design Change Expedited ‎ (← links)
  • 05000354/LER-1987-012, :on 870203,RCWU Sys Isolation Occurred.Caused When Read/Set Switch on Riley Tempmatic 86 Temp Module Placed in Read Position.Design Change Request Initiated for Temp Modules ‎ (← links)
  • 05000354/LER-1987-009, :on 870124,cooling Tower Blowdown RMS Sample Pump Froze.Sampling of Radioactive Liquid Effluent Not Initiated Until Tech Spec Action Statement Entered on 870126.Caused by Personnel Error ‎ (← links)
  • 05000354/LER-1987-011, :on 870202,during Nuclear QA Audit,Discovered That Four Cs-137 Sources Not Leak Tested within Period Specified by Tech Spec 4.7.6.2.Caused by Personnel Error. Personnel Counseled Re Compliance W/Tech Specs ‎ (← links)
  • 05000354/LER-1986-078, :on 861111,automatic Isolation of RWCU Sys from Valid High Differential Flow Signal Received.Caused by Leak, Resulting in 50 Gpm Differential Flow.Corrective Actions Include Leak Repair & Redesign of RWCU Sys ‎ (← links)
  • 05000354/LER-1987-005, :on 870123,primary Containment Isolation Sys Actuation Occurred When Reactor Bldg Exhaust Radiation Monitoring Channel a Momentarily Tripped While Channel C in Tripped Condition.Cause Unknown ‎ (← links)
  • 05000354/LER-1986-077, :on 861010,automatic Isolation of RWCU Sys Occurred.Caused by Invalid High Differential Flow Signal. Blowdown Line Isolation Valve Repaired & Evaluations Re Filling & Venting of Sys Initiated ‎ (← links)
  • 05000354/LER-1986-023, :on 860519,Channel B ESF Actuation Occurred Due to Spurious Low Reactor Water Level Signals.Caused by Personnel Error.Mgt Will Discuss Awareness of Need to Exercise Care When Valving Transmitters ‎ (← links)
  • 05000354/LER-1987-006, :on 870123,while Performing Instrumentation & Control Surveillance Procedure,Filtration,Recirculation & Ventilation Sys auto-started.Caused by Deenergizing Wrong Channel.Technicians Counseled ‎ (← links)
  • 05000354/LER-1987-007, :on 870123,HPCI Channel a Outboard Steam Supply Valve Isolated & Hpci/Rhr a Area Leak Temp Hi Alarm Activated.Caused by Design Error in Temp Differential.Min Intake Temp Setpoint Increased ‎ (← links)
  • 05000354/LER-1986-067, :on 860917,accident Monitoring Instrumentation Inoperable.Caused by Loss of Power Due to Design Oversight. Design Change to Connect Acoustic Monitors & Noted Recorders to Uninterruptible Power Supply Implemented ‎ (← links)
  • 05000354/LER-1986-017, :on 860509,inadvertent Actuation of Control Room Emergency Filter Unit a Occurred.Caused by Trouble Shooting Activity.Control Room Radiation Monitoring Sys Actuation Logic Arrangement Will Be Reviewed ‎ (← links)
  • 05000354/LER-1986-016, :on 860508,control Room Emergency Filtration Automatically Initiated & on 860504,Train a of Control Room Ventilation Isolated.Caused by Drifting High Voltage Supply for Detector 1SP-RE-4858C1.Supply Recalibr ‎ (← links)
  • 05000354/LER-1997-021, :on 970821,standby Liquid Control Sys Tank Concentration Was Below TS Limits.Caused by Leaking Valves in Demineralized Water Makeup Lines.Standby Liquid Control Tank Concentration Was Restored ‎ (← links)
  • 05000354/LER-1986-068, :on 860916,discovered Tech Spec Action Statement Allowable Time Exceeded for Inoperable North Plant Vent (Npv) Flow Rate Monitor Channel.Caused by Personnel Error.All Effluents to Npv Isolated ‎ (← links)
  • 05000354/LER-1997-019, :on 970807,ESFA - Closure of B Safety Auxiliaries Cooling Sys to Turbine Auxiliaries Cooling Sys Isolation Valves Occurred.Caused by Loose Fuse Clip.Replaced Fuse Clip ‎ (← links)
  • 05000354/LER-1986-012, :on 860504 & 08,control Room Emergency Filtration Actuations Occurred.Caused by High Voltage Power Supply Drift.Equipment Recalibr,Which Eliminated Spurious Radiation Monitor Signals ‎ (← links)
  • 05000354/LER-1986-063, :on 860828,determined That 12 air-operated Valves Had Solenoid Valves Installed with Operating Air Supply Pressure Rating Less than Max.Caused by Design Inadequacy.Valves Replaced ‎ (← links)
  • 05000354/LER-1986-006-01, :on 860417,reactor Bldg Ventilation Sys Isolation & Start of Filtration Recirculation Ventilation Sys Fan D Occurred.Caused by Procedural Inadequacy Resulting in Circuit Memory Set.Procedure Revised ‎ (← links)
  • 05000354/LER-1997-016, :on 970716,notified by NRC That Surveillance Requirement Re Filtration,Recirculation & Ventilation Sys Failed to Comply W/Plant UFSAR Commitments.Caused by Failure to Clarify Ufsar.Completed 10CFR50.59 SE ‎ (← links)
  • 05000354/LER-1987-004, :on 870113,RWCU Sys Isolation Occurred.Caused by Read/Set Switch on Riley Tempmatic 86 Temp Module Placed in Read Position.Evaluation to Determine Appropriate Temp Module Mod Performed ‎ (← links)
  • 05000354/LER-1987-002, :on 870108,control Room Ventilation Sys (CRV) Isolated & Control Room Emergency Filtration Actuated. Caused by Personnel Error.Technician Counseled to Refrain from Accessing Equipment W/O Authorization ‎ (← links)
  • 05000354/LER-1987-003, :on 870112,reactor Water Cleanup Sys Isolation Occurred Due to Blown Fuse on Nsss.Caused by Inadequate Access to Steam Leak Detection Panels for Testing & Installation of Test Equipment ‎ (← links)
  • 05000354/LER-1987-001, :on 870103 & 04,grab Samples from Containment Atmosphere Not Taken as Required by Tech Specs.Caused by Personnel Error.Radiation Protection Technician Counseled on Necessity to Comply W/Tech Specs ‎ (← links)
  • 05000354/LER-1999-007-01, :on 990614,license Condition Violation - Class 1E Battery Charging Operation Was Noted.Caused by Inadequate Procedure Development.Procedures Revised & Personnel Held Accountable for Inappropriate Actions ‎ (← links)
  • 05000354/LER-1986-055, :on 860805,during Cold Shutdown,Channel a Primary Containment Isolation Occurred.Caused by Procedural Deficiency.Instrumentation & Control Procedures Revised to Include Logic Status Verification ‎ (← links)
  • 05000354/LER-1986-050, :on 860801,RWCU Isolation Occurred on High Differential Flow.Caused by Inadequate Power Ascension Procedure.Procedure Revised to Allow More Controlled Approach to Sys Limits ‎ (← links)
  • 05000354/LER-1986-093, :on 861209,automatic Isolation of Operating RHR Shutdown Cooling Loop Occurred Due to Inadvertent Actuation of Low Pressure Permissive Trip Unit During Backfilling. Caused by Inadequate Backfilling Instructions ‎ (← links)
  • 05000354/LER-1986-094, :on 861210,inadvertent Isolation of RWCU Sys Occurred.Caused by Air Bubbles in Differential Flow Transmitter in Channel A.Steam Leak Isolation Sys Will Be Monitored to Identify Entrapped Air Problems ‎ (← links)
  • 05000354/LER-1986-030, :on 860618,control Room Ventilation Supply Fan a Tripped on Low Air Flow,Initiating Automatic Start of Control Area Ventilation Train B.Caused by Personnel Error. Warning Signs Installed on Plenum Doors ‎ (← links)
  • 05000354/LER-1986-091, :on 861206,safety/relief Valve P Opened for 45 During Test & Trip Point Calibr.Caused by Operator Error in Setting Valve Switch.Operator Counseled ‎ (← links)
  • 05000354/LER-1999-002, :on 990206,discovered That Flowpath Verification for B Safety Auxiliaries Cooling Sys Had Not Been Performed.Caused by Personnel Error.Performed Flowpath Verification.With ‎ (← links)
  • 05000354/LER-1986-090, :on 861128,min Required Radiation Monitors Not in Svc When Operational Condition Changed.Caused by Personnel Miscommunication & Input Error to Work Order Tracking Sys.Procedures to Be Reviewed W/Staff ‎ (← links)
  • 05000354/LER-1986-028, :on 860607,Channel a of Standby Liquid Control Sys (SLCS) Inadvertently Actuated.Cause Unknown.Bailey Solid State Logic Modules Replaced in Both SLCS Channels ‎ (← links)
  • 05000354/LER-1986-059, :on 860814,inadvertent Actuation of Channel B ESF Logic & Channel B1 Scram Logic Occurred While Plant in Operational Condition 1.Cause Unidentified.Loca Logic Channels Will Be Monitored ‎ (← links)
  • 05000354/LER-1986-060, :on 860816,suppression Pool Level Violated Tech Spec Limit.Caused by Sensing Loop Installation Error, Resulting in Incorrect Calculation of Calibr Data.Level Increased to within Tech Spec Limits ‎ (← links)
  • 05000354/LER-1986-024, :on 860525,surge Occurred in Ref Leg of Channel D Reactor Level Instrumentation Resulting in Actuation of LOCA Logic.Caused by Procedural Inadequacy for Return to Svc Following Calibr.Procedures Revised ‎ (← links)
  • 05000354/LER-1998-008-01, Forwards LER 98-008-01 Re ESF Actuation/Automatic Reactor Scram Due to Turbine Trip.Caused by High Moisture Separator Level.Commitments Listed in Attachment a ‎ (← links)
  • 05000354/LER-1986-022, :on 860516,RWCU Sys Isolated on High Differential Flow.Caused by Operator Error During Manual Increase of Blowdown Flow Following Completion of Testing. Operator Counseled & Training Scheduled ‎ (← links)
  • 05000354/LER-1988-027, :on 881015,all Reactor Feedwater Pumps Tripped on High Discharge Pressure Signal W/Resultant Loss of Feedwater Flow Causing Scram.Caused by Spurious Reactor Feedwater Pumps Signal ‎ (← links)
  • 05000354/LER-1986-009-01, :on 860425,technician Moved Adjacent intermediate-range Monitor Cable While Checking Wire Identification Numbers in Preamplifier Cabinet,Causing Spike of Scram Signal.Addl Training Scheduled ‎ (← links)
  • 05000354/LER-1986-021, :on 860515,Channel D ESF Actuation Occurred on Spurious Low Reactor Water Level Signals.Caused by Personnel Induced Pressure Transient on Ref Leg.Program to Remove Air from Instrument Sensing Lines Begun ‎ (← links)
  • 05000354/LER-1986-020, :on 860515,Channel D ESF Actuation Occurred on Spurious Low Reactor Water Level Signals.Caused by Personnel Induced Pressure Transient on Ref Leg.Program to Remove Air from Instrument Sensing Lines Begun ‎ (← links)
  • 05000354/LER-1988-026, :on 881006,discovered That Quarterly Surveillance of Emergency Diesel Generator Fuel Oil Storage Tanks Signed on But Not Completed.Caused by Personnel Error. Surveillance Restructured for Multiple Checks ‎ (← links)
  • 05000354/LER-1988-001, :on 880126,emergency Diesel Generator a Experienced Invalid Failure During post-maint Retest.Caused by Jumper Wire Missing in Voltage Regulator Ac Shutdown Contactor.Contactor Refigured ‎ (← links)
  • 05000354/LER-1999-005, :on 990324,TS Prohibited Condition Re Inadequate Secondary Containment Surveillance Tests,Was Noted.Caused by Personnel Error.Performed Design Calculation GU-0030 & Revised Procedure HC.OP-ST.GU-002.With ‎ (← links)
  • 05000354/LER-1986-019, :on 860513,Channel D ESF Actuation Occurred on Spurious Low Reactor Water Level Signals.Caused by Pressure Transient on Common Ref Leg.Instrument Lines Backfilled & Quick Disconnects Installed ‎ (← links)
  • 05000354/LER-1986-018, :on 860512,station Svc Water Pump C Discharge Strainer Failed.Caused by Mechanical Failure of Strainer Element Due to Design Deficiency.Strainer Elements Replaced & Clearance Between Shoe & Element Increased ‎ (← links)
  • 05000354/LER-1986-013, :on 860506,during Surveillance Test of Main Steam Line D flow-high Isolation Actuation Trip Circuitry, Technician Inadvertently Interrupted Electrical Power Continuity.Caused by Procedural Error ‎ (← links)
  • 05000354/LER-1986-005-01, :on 860416,during Fuel Load,Discovered Filtration,Recirculation,Ventilation Sys Inoperable.Caused by Personnel Error.Review of Addl Training Requirements Initiated ‎ (← links)
  • 05000354/LER-1986-003-01, :on 860415,inadvertent Reactor Protection Sys Initiation Occurred During Performance of Neutron Monitoring Sys Troubleshooting Activities.Caused by Technician Error Design Change Request 4 HME-86-742 Submitted ‎ (← links)
  • 05000354/LER-1986-002-01, :on 860413,inadvertent Channel B LOCA Signal Occurred During Performance of Channel Functional Test Procedure IC-FT.BB-004(Q).Caused by Procedural Inadequacy. Technician Instructed to Check Battery During Testing ‎ (← links)
  • 05000354/LER-1999-004, :on 990309,check Valves for a Containment Atmosphere CS Vacuum Breaker Isolation Valve Accumulator Did Not Meet Requirements During Testing.Caused by Improper Selection of Valve Type.Valve Discs Replaced ‎ (← links)
  • 05000354/LER-1987-017, :on 870224,reactor Scram Occurred During Performance of Instrumentation & Control Surveillance Procedure on Reactor Vessel Level Channel C32-K624C.Caused by Work Environ Factors.Procedures Revised ‎ (← links)
  • 05000354/LER-1986-040, :on 860714 Technicians Discovered RCIC Sys Condensate Storage Tank Low Level Switches Disconnected Since 860627.Caused by Personnel Error.Personnel Counseled & Procedures Will Be Revised ‎ (← links)
  • 05000354/LER-1986-038, :on 860713,operator Discovered Channel Checks on Reactor Protection & Isolation Actuation Instrumentation Not Performed on 860713 or 14.Caused by Clerical Error. Administrative Procedure Will Be Revised ‎ (← links)
  • 05000354/LER-1999-003, :on 990228,as Found Values for Safety Relief Valve Lift Setpoints Exceed TS Allowable Limits,Were Revealed.Caused by Friction on Siding Surfaces.Srvs Inspected,Refurbished & Satisfactorily Retested ‎ (← links)
  • 05000354/LER-1988-024, :on 880921,nonconservative Calculational Errors Re Calibr Values for Reactor Feedwater Flow Instrumentation Indicated.Caused by Use of Incorrect Data.Action Plan to Address Issue Established ‎ (← links)
  • 05000354/LER-1986-035, :on 860704,reactor Trip Occurred Due to Reactor Protection Sys Channels A1 & A2 Tripping from APRM Channel E Caused by Momentary Upscale Spike of Local power-range Monitor 1C-24-57.Origin of Spike Unknown ‎ (← links)
  • 05000354/LER-1987-016, :on 870218,automatic Start of Filtration, Recirculation & Ventilation Sys Occurred.Cause Unknown.No Definitive Corrective Action Re Autostart Could Be Assigned. Need for More Attentiveness Stressed ‎ (← links)
  • 05000354/LER-1986-049, :on 860801,inadequacies Discovered in Instrumentation & Control & Technical Isolation Instrumentation Response Time Procedures.Procedures Revised to Include Automatic Isolation Relays ‎ (← links)
  • 05000354/LER-1986-054, :on 860804,Channel a LOCA Logic Channel A1 Reactor Scram Logic Actuated from Invalid Low Water Levels 1 2 & 3 Signals Causing Full Reactor Scram.Caused by Personnel Error.Backfilling Procedure Revised ‎ (← links)
  • 05000354/LER-1986-051, :on 860803,RWCU Sys Isolation Occurred During Performance of Channel Functional Test of Steam Leak Detection Switch G33-N600E.Cause Unknown.Switch Functionally Checked ‎ (← links)
  • 05000354/LER-1986-053, :on 860804,Channel a LOCA Logic Actuation Occurred Due to Invalid Low Water Level 1 Signal.Caused by Personnel Error.Technician Counseled Re Ramifications of Improper Valving During Test Performance ‎ (← links)
  • 05000354/LER-1986-046, :on 860720,HPCI Sys Received Invalid Level 2 Initiation Signal from C Channel Reactor Vessel Low Water Level Instrumentation.Caused by Personnel Error.Sensing Lines Labeled to Warn Personnel ‎ (← links)
  • 05000354/LER-1986-045, :on 860719,reactor Scram Occurred as Result of Downranging Two Intermediate Range Monitors.Caused by Personnel Error.Nuclear Control Operator to Complete Root Cause Analysis ‎ (← links)
  • 05000354/LER-1986-037, :on 860712,grab Sample Not Obtained at 12 H Frequency.Caused by Personnel Error.Supervisor Counseled in Proper Determination of Equipment Operability.Event Will Be Included in Training Program ‎ (← links)
  • 05000354/LER-1997-027, :on 971114,TS SR Implementation Deficiencies Re 125/250 Vdc Batteries Were Noted.Caused by Improperly Performed Surveillance Test.Revised Procedures HC.MD-ST.PK-0002 (Q) & HC.MD-ST.PJ-0002 (Q) ‎ (← links)
  • 05000354/LER-1986-041, :on 860715,HPCI Sys Actuated from Invalid Reactor Vessel Low Water Level 2 Signal from Channel C LOCA Instrumentation.Caused by Transient Due to Personnel Stepping on Sensing Line Piping.Lines Labeled ‎ (← links)
  • 05000354/LER-1997-029, :on 971118,snubber Was Mistakenly Removed. Caused by Personnel Error.Installed Snubber,Verified Required Snubbers Were Installed Per Design & Held Personnel Accountable ‎ (← links)
  • 05000354/LER-1986-032, :on 860630,manual Scram Initiated to Shut Down for Troubleshooting,As Controlled Rod Insertion Precluded by Malfunction of Reactor Manual Control Sys.Caused by Faulty Transmitter Card.Card Replaced ‎ (← links)
  • 05000354/LER-1986-031, :on 860629,reactor Scram Occurred as Result of Upscale Trip on intermediate-range Monitor D.Caused by Personnel Error.Operator Counseled ‎ (← links)
  • 05000354/LER-1986-029, :on 860611,control Area Chiller a Tripped on Low Refrigerant Pressure.Caused by Malfunction of Ball Float Valve.Valve Replaced ‎ (← links)
  • 05000354/LER-1997-023-01, Forwards LER 97-023-01 Re Core Spray Nozzle Weld through- Wall Leak.Commitments Made by Util,Encl ‎ (← links)
  • 05000354/LER-1986-027, :on 860602,4,800 Lb of Fiberglass Reinforced Plastic (FRP) Found in Traveling Screen Motor Room Svc Water Intake Structure.Caused by FRP Not Recognized as Combustible Matl.Hourly Fire Watch Performed ‎ (← links)
  • 05000354/LER-1986-025, :on 860530,console Indication for Train a Svc Water Pump,Safety Auxiliary Cooling Pump & Emergency Diesel Generator Lost & Some Chillers Tripped.Caused by Design Deficiency Re Electrical Cabinet ‎ (← links)
  • 05000354/LER-1986-015, :on 860506,Channel a ESF Actuation Occurred on Spurious Reactor Water Level 1 & 2 Signals Generated by Opening of Isolation Valve Off Ref Leg.Caused by False Readings Due to Closed Root Valve.Valves Aligned ‎ (← links)
  • 05000354/LER-1986-014, :on 860506,Channel D ESF Actuation Occurred. Caused by Spurious Reactor Water Low Level Signal.Task Force Formed to Provide in-depth Review of Occurences Due to Numerous Events ‎ (← links)
  • 05000354/LER-1997-033, :on 971210,failure to Perform Secondary Containment Isolation Actuation Instrumention Channel Checks,Was Noted.Caused by Personnel Error.Personnel Involved Was Held Accountable ‎ (← links)
  • 05000354/LER-1997-016-01, :on 970716,filtration,recirculation & Ventilation Sys TS Surveillance Compliance Occurred.Caused by Failure of Procedure Revs to Recognize Need to Justify Exception.Procedures Revised.With ‎ (← links)
  • 05000354/LER-1986-011, :on 860502,breaker Trips Occurred,Resulting in Loss of Power.Caused by Relay Technician Error.Test Manual Will Be Updated & Review of Procedures in Technician Training Programs Performed ‎ (← links)
  • 05000354/LER-1997-024, :on 971001,as Found Values for Safety Relief Valve Lift Setpoints Exceed TS Occurred.Caused by Corrosion Bonding of Pilot Disc to Pilot Seat Due to Radiolytic Oxygen.Srvs Inspected ‎ (← links)
  • 05000354/LER-1997-032, :on 971205,inoperability of HPCI & RCIC Noted. Caused by Unsuitability of Replacement Governor Valve Stem, over-compression of Valve Stem Spring & Misalignment of Remote servo-governor Lever.Procedures Revised ‎ (← links)
  • 05000354/LER-1986-010, :on 860426,Channel a ESF Actuation Occured as Result of Spurious Reactor Low Level Signal.Cause Unknown. Addl Emphasis Placed on Engineering Review of Instrument Setup ‎ (← links)
  • 05000354/LER-1998-008-02, :on 981115,ESFA Automatic Reactor Scram, Occurred.Caused by High Moisture Separator Level.Moisture Separator Drain Tank Dump Valves Were Tested Satisfactorily While Shutdown & Again During Restart ‎ (← links)
  • 05000354/LER-1997-028, :on 971117,failure to Perform Secondary Containment Isolation Actuation Sys Surveillances Was Noted. Caused by Personnel Error.Performed Overdue Surveillance ‎ (← links)
  • 05000354/LER-1997-031, :on 971130,automatic Isolation Signal Was Noted During warm-up of RCIC Sys.Caused by Spurious Steam Line Pressure perturbations.Re-set Isolation Signal & Completed warm-up of RCIC Steam Lines ‎ (← links)
  • 05000354/LER-1997-030, :on 971122,inoperability of CAC Sys Vacuum Breaker Isolation Valves Noted.Caused by Failure to Review Accumulator Sizing Calculation.Repaired Subject Valves, Revised Procedures & Updated IST Program ‎ (← links)
  • 05000354/LER-1990-021-02, :on 901003,environ Qualification Concerns W/ Source Range & Intermediate Range Monitors Noted.Unknown Number of SRM & IRM Detectors Electrical Connector Replaced W/Connectors W/Unqualified Teflon Bushings ‎ (← links)
  • 05000354/LER-1986-075, :on 861005,during Troubleshooting on Control Room Radiation Monitors,Inadvertent Isolation of Normal Ventilation Occurred,Actuating Emergency Supply.Caused by Human Factors Problem ‎ (← links)
  • 05000354/LER-1986-076, :on 861005,inadvertent Automatic Start of Emergency Diesel Generator B Occurred.Cause Undetermined. Start Signals Will Be Monitored Continuously for 90 Day Period Utilizing Strip Chart Recorders ‎ (← links)
  • 05000354/LER-1986-072, :on 861003,discovered That Reactor Bldg Exhaust Duct Radiation Monitor SP-RE-4857C Not Mounted in Operational Position.Cause Undetermined.Monitor Installed in Operational Position ‎ (← links)
  • 05000354/LER-1988-030, :on 881104,pinhole Leak Observed on Recirculation Pump B Discharge Valve.On 881108,pinhole Leak Observed on Recirculation Pump a Suction Valve Drain Line Cap Weld.Caused by Vibration Induced Stress ‎ (← links)
  • 05000354/LER-1988-029, :on 881101,unanticipated Turbine Generator Trip & Reactor Scram Occurred.Caused by Failure of Exciter Brush Collector Ring Assembly.Exciter Brushes Replaced & New Procedure to Replace Weekly Insp Implemented ‎ (← links)
  • 05000354/LER-1999-006-01, :on 990518,unexpected Actuation of B Channel PCIS Occurred.Caused by Personnel Error.Addl Training Will Be Provided to Operations Personnel to Preclude Addl Unexpected ESF Actuations ‎ (← links)
  • 05000354/LER-1988-015, :on 880526,unanticipated Loss of Second Control Room Emergency Filtration Chiller Occurred.Caused by Component Design Deficiency.Operation Procedure Reviewed & Design Mod to Chiller Installed ‎ (← links)
  • 05000354/LER-1998-007-02, :on 981009,standby Liquid Control Pump Inoperability Was Noted Due to Incorrectly Performed Ist. Caused by Personnel Error.Revised Test Procedure. with ‎ (← links)
  • 05000354/LER-1988-025, :on 880930,both Control Room Emergency Filtration Units Determined Inoperable Due to Surveillance Procedure Not Meeting Requirement of Tech Spec 4.7.2.e.3. Procedure Revised ‎ (← links)
  • 05000354/LER-1986-008, :on 860424,during Initial Fuel Loading,Nrc Inspector Discovered 24 H Standby Liquid Control Sys Surveillances Not Current.Caused by Personnel Error.All Specified Readings to Be Recorded ‎ (← links)
  • 05000354/LER-1986-007-01, :on 860420,Channel B ESF Actuation Occurred Due to Pressure Transient on Common Ref Leg.Cause Unknown. Review of Instrument Setup on Ref Leg Will Determine If Procedural or Design Changes Needed ‎ (← links)
  • 05000354/LER-1986-004-01, :on 860416,noncoincident Reactor Protection Sys Initiation Occurred as Result of Trip Signal Generated by APRM of Neutron Monitoring Sys.Caused by Failure of APRM- Associated Lprm.Lprm Restored ‎ (← links)
  • 05000354/LER-1988-023, :on 880908,RWCU Pump a Seal Failure & Isolation Equipment Failure Occurred.Local Insp Determined That Steam Leaking from Pump Seal.Caused by Equipment Failure.Failed RWCU Pump Seal Replaced ‎ (← links)
  • 05000354/LER-1988-012, :on 880430,reactor Manually Scrammed Following Circulating Water Sys (CWS) Infeeds Trip.Caused by Failure in CWS Multiplex (Mux) Sys.Replacement of CWS Mux Sys W/Hard Wired Sys Planned & Enhanced Maint Developed ‎ (← links)
  • 05000354/LER-1998-006-02, :on 980916,inadequate Performance of Primary Containment Integrity Verfication Was Noted.Caused by Personnel Error.Verified That Valve Was Closed ‎ (← links)
  • 05000354/LER-1988-011, :on 880426,discovered That Seismically Unqualified Tubing Spans Installed on Two Local Instrument Racks.Caused by Personnel Faulty Preparation of Design Change Which Installed Tubing W/O Requirements ‎ (← links)
  • 05000354/LER-1988-010, :on 880414,two HPCI Oil Control Valves Discovered Not to Be in Required Position for Operability. Caused by Unauthorized Repositioning of Valves.Valves Restored to Required Position & Signs Posted ‎ (← links)
  • 05000354/LER-1987-049, :on 870409,primary Containment Penetration Failed Local Leak Rate Test W/Leakage Rate in Excess of 100,000 Sccm.Caused by Seat Leakage & Packing Leaks on Two Valves Associated W/Penetration.Event Reviewed ‎ (← links)
  • 05000354/LER-1988-009-01, :on 880413,reported That Contrary to Tech Spec Requirement,Two 4-h Flow Rate Estimates Not Made During South Plant Vent Monitor Outage.Caused by Operator Failure to Initiate & Complete Daily Log ‎ (← links)
  • 05000354/LER-1988-020, :on 880728,access Doors to High Radiation Areas Found Unlocked Due to Personnel Errors.Verified Other Doors Locked,Reinforcement Counselling & Possible Elimination of Lock Open Capability Reviewed ‎ (← links)
  • 05000354/LER-1988-021, :on 880728,cracks Discovered in Ductwork of Filtration,Recirculation & Ventilation Sys D.Caused by Design Deficiency.Stiffeners & Support Added to Flow Straighteners ‎ (← links)
  • 05000354/LER-1987-036-01, :on 870804,channel a Class 1E 125 Volt DC Loads from Distribution on Panel a de-energized During Operational Condition 1.Root Cause Not Determined.Breakers for Affected Sys Opened & Reset.Procedures Revised ‎ (← links)
  • 05000354/LER-1988-008-01, :on 880401,caulking Matl Discovered Around Reactor Bldg Blowout Panels.Caused by Installation of Caulking W/O Design Change Authorization & Personnel Error. Unauthorized Caulking Removed ‎ (← links)
  • 05000354/LER-1988-007-01, :on 880330,reactor Protection Sys Actuation Occurred.Caused by Workers Installing Design Change in Area Near Intermediate Range Monitor Preamplifier Cabinet.Warning Signs Posted ‎ (← links)
  • 05000354/LER-1988-019, :on 880728,Channel C ECCS Level 1 Actuation Occurred During Functional Testing of Reactor Vessel Level Channel Causing Actuation of Emergency Diesel Generator & LOCA Sequencer.Caused by Procedural Deficiency ‎ (← links)
  • 05000354/LER-1998-005-03, :on 980810,discovered That Two Nitrogen Gas Supply Check Valves to B hydrogen-oxygen Analyzer Were Not Being Tested.Caused by Missed Ist.Ist Data Base Is Being Reviewed to Assure Completeness & Accuracy.With ‎ (← links)
  • 05000354/LER-1988-018, :on 880725,unanticipated Isolation of RWCU Occurred W/Plant in Operational Condition 1.Caused by Blown Fuse in Channel a of Nuclear Steam Supply Shutoff Sys.Fuse Replaced & Personnel Counseled ‎ (← links)
  • 05000354/LER-1988-006-01, :on 880321,momentary Upscale Spike on Intermediate Range Monitor Resulted in Full Reactor Protection Sys Actuation.Caused by Electronic Noise Generated by Welders.Methods Evaluated ‎ (← links)
  • 05000354/LER-1988-003, :on 880220,primary Containment Leakage Rate Determined to Be in Excess of Tech Spec Limit.Caused by Hairline Crack on Inboard Check Valve Seat & Irregularities in Outboard Check Valve Seat.Valves Adjusted ‎ (← links)
  • 05000354/LER-1997-015, :on 970708,failed to Analyze Radioactive Effluent Samples within Required Surveillance Interval. Caused by Incorrect Interpretation of Ts.Will Revise Completion Dates for Surveillance Work Orders ‎ (← links)
  • 05000354/LER-1997-014, :on 970708,failed to Complete Offsite Power Distribution Line Up within Required Time Frame.Caused by Personnel Error.Implemented Disciplinary Actions & Presented Event to Other Operating Crews ‎ (← links)
  • 05000354/LER-1988-005, :on 880310,primary Containment Isolation Sys Inputs Inoperable & Required Tech Specs Actions Not Taken. Caused by Inadequate Design Change Package (DCP) Description.Secondary Containment Established ‎ (← links)
  • 05000354/LER-1988-016, :on 880616,unanticipated Primary Containment & Control Room Emergency Filtration Initiation Occurred.Caused by Momentary Power Loss Due to Inverter Malfunction During Switching.High Voltage Power Supply Replaced ‎ (← links)
  • 05000354/LER-1988-002-02, :on 880213,primary Containment Leak Rate Testing of Recirculation Sample Inboard Isolation Valve Overdue.Caused by Personnel Error.Event Will Be Reviewed as Stated When Preparing First Refuel Outage ‎ (← links)
  • 05000354/LER-1996-002-01, :on 960119,TS Violation Occurred Re Failure to Complete Flood Protection Actions within Required Timeframe. Caused by Malfuntioned three-way Pneumatic Supply Valve. Repaired Watertight Door ‎ (← links)
  • 05000354/LER-1997-012, :on 970613,engineered Safety Feature Actuation: Single Rod Scram Occurred.Caused by Failed Open a RPS Fuse Located in HCU Which Supplies RPS Power to a Side Scram Solenoid for Control Rod 26-27.Fuse Replaced ‎ (← links)
  • 05000354/LER-1988-001-01, :on 880106 & 28,liguid & Gaseous Radwaste Discharge Monitors Failed to Pass Functional Tests.Caused by Design & Procedure Deficiencies.Gaseous Radwaste Monitor Surveillance Procedures Revised ‎ (← links)
  • 05000354/LER-1994-004-02, :on 940419,inboard MSIV Closure Occurred. Caused by Procedural Deficiency.Corrective Action:I&C Procedures Will Be Revised & Steps Will Be Added to Ensure Proper Valve Lineup & Switch Positions ‎ (← links)
  • 05000354/LER-1988-002, :on 880213,primary Containment Isolation Valves Inoperable.Caused by Failure of Inservice Insp to Notify Control Room Personnel That Surveillance Overdue.Both Inboard & Outboard Valves Reworked ‎ (← links)
  • 05000354/LER-1997-009-01, :on 970528,unplanned HPCI Inoperablity Occurred Due to Min Flow Bypass Valve Failure.Caused by Personnel Error.Isolated Flow Transmitter Was Returned to Svc on 970528 ‎ (← links)
  • 05000354/LER-1988-004-02, :on 880301,discovered That Required Surveillance of Refueling Floor Exhaust Process Radiation Monitoring Channel B Not Performed.Caused by Personnel Error.Senior Supervisor Counseled ‎ (← links)
  • 05000354/LER-1988-003-01, :on 880220,primary Containment Leak Rate Determined in Excess of Tech Spec Levels.Caused by Cracked Stellite on AE-V003 Disk & Worn Disk Hinge Pin.Valves Repaired & Review of Event Planned ‎ (← links)
  • 05000354/LER-1997-003, :on 970204,unplanned RCIC Sys Inoperability Occurred Due to IST Failure of Turbine Steam Exhaust Containment Isolation Valve.Repaired 1FCV-003 Prior to Next IST ‎ (← links)
  • 05000354/LER-1987-051, :on 871208,automatic Reactor Scram Occurred. Caused by Grounding of Cabinets C & D Which Provided Path for Spurious Signal.Personnel Instructed & Monitor Grounding Configuration Analyzed ‎ (← links)
  • 05000354/LER-1987-052, :on 871210,isolation of RWCU Sys Occurred While Pressurizing Filter/Demineralizer (F/D) B.Caused by F/D Design Deficiency.Procedures Changed & Design Change Scheduled for 1988 Outage ‎ (← links)
  • 05000354/LER-1997-008-01, :on 970520, C Swp Was Removed from Svc While a Pump Was Running in Manual.C Pump Automatically Restarted.Caused by Silt Accumulation Combining W/Hydraulic Perturbation.Sensing Lines Were back-flushed ‎ (← links)
  • 05000354/LER-1997-007, :on 970407,Struthers-Dunn 219NR Series Relay Failed Due to Thermal Degradation of Magnetic Vinyl Plastic Bearing Pad Matl.Replaced Degraded Relays Before End of Seventh Refueling Outage,Per 10CFR21 ‎ (← links)
  • 05000354/LER-1997-005, :on 940407,TS Surveillance Test Deficiency Was Identified Due to Personnel Errors & Review Process Failures.Performed Separate Evaluation of 10CFR50.59 & Engineering Performance Issues ‎ (← links)
  • 05000354/LER-1986-001-01, :on 860215,diesel Generator D Windings & Rotor Extensively Damaged.Caused by Personnel Error.Field Work Package Incomplete,Qc Involvement Informal & Work Not Properly Implemented ‎ (← links)
  • 05000354/LER-1997-001, :on 970103,EDG & Fire Suppression Sys Interaction Results in Plant Being in Condition Outside of Design Basis Occurred.Caused by Inadequate Analysis During Plant Construction.Training Will Be Completed ‎ (← links)
  • 05000354/LER-1997-006-01, :on 970322,HPCI Injection Occurred Due to Personnel Error During Performance of Functional Test. Functional Test for Nuclear Boiler Drywell Pressure Was Completed ‎ (← links)
  • 05000354/LER-1997-004, :on 970207,B Div Primary Containment Isolation Sys Isolation Occurred.Caused by Personnel Error During Troubleshooting.Failed Optical Isolator Replaced & Channel Calibr Satisfactorily Completed on 970208 ‎ (← links)
  • 05000354/LER-1996-026-01, :on 961108,ESF Actuation/Single Rod Scram Occurred Due to Stuck Scram Solenoid Pilot.Sspv Replaced & CR 42-07 Returned to Svc ‎ (← links)
  • 05000354/LER-1996-025-01, :on 961107,during warm-up of RCIC Sys Automatic Isolation Signal Received from High Steam Flow Signal.Caused by Spurious Steam Line Pressure &/Or Steam Line Flow Signals.Rcic Isolation Signal Reset & Work Order Initiated ‎ (← links)
  • 05000354/LER-1995-033, :on 951114,TS Surveillance Requirements 4.8.3.1 & 4.8.3.2 Not Completed Fullfilled Due to Surveillance Test Inadequacies.Surveillance Procedures Revised & Surveillances Successfully Performed ‎ (← links)
  • 05000354/LER-1996-024-01, :on 961029,two Redundant Vacuum Breakers on a Station Svc Water Sys Loop Were Tested & Found Inoperable Due to Accumulation of Deposits on Internal Moving Parts. Both Vacuum Breakers on a Station,Repaired ‎ (← links)
  • 05000354/LER-1996-022, :on 960816,identified Condition That Could Have Prevented Removal of RHR safety-auxiliaries Cooling Sys for Deficiencies.Caused by Procedure Changes Made W/O Adequate Review.Established Administrative Controls ‎ (← links)
  • 05000354/LER-1995-033-12, Forwards LER 95-033-12 Which Documents Discovery of TS Surveillance Implementation Deficiency Identified by TS Surveillance Improvement Program ‎ (← links)
  • 05000354/LER-1996-021-01, :on 961020,operation in Condition Prohibited by TS Due to Failure to Adequately Perform Standby Liquid Control Sys Surveillances.Temporary Log Was Established to Record Actual Tank Temperature ‎ (← links)
  • 05000354/LER-1997-002, :on 970117,discovered Inconsistency Between Filtration,Recirculation & Ventilation Sys TS & Ability to Withstand Prescribed Single Failures Under Design Basis Conditions.Submitted TS Amend ‎ (← links)
  • 05000354/LER-1995-033-01, :on 951114,TS Surveillance Requirement Implementation Deficiencies Occurred.Caused by Lack of Documentation of Annunciation for Previous Surveillances. SDV Bypass Logic Were Satisfactorily Tested ‎ (← links)
  • 05000354/LER-1996-022-02, Forwards LER 96-022-02,documenting Event That Occurred at Hope Creek Generating Station,Unit 1.Util Commitments Made within Ltr,Listed ‎ (← links)
  • 05000354/LER-1996-030-01, :on 961230,uplanned HPCI Sys Inoperability Occurred Due to Stuck Open Extended Containment Boundary Valve.Repaired Check Valve & HPCI Sys Restored ‎ (← links)
  • 05000354/LER-1996-029-01, :on 961228,unplanned Reactor Core Isolation Cooling Sys Inoperability Occurred Due to Stuck Governor Valve.Valve Stem Was Replaced & RCIC Sys Was Returned to Service on 961230 ‎ (← links)
  • 05000354/LER-1996-028-01, :on 961220,potential Loss of Containment Integrity Occurred Due to Water Hammer in Drywell Cooler Piping.Administrative Controls Were Implemented to Prevent Defeating of Drywell Cooler Isolation Interlocks ‎ (← links)
  • 05000354/LER-1996-027-01, :on 961202,ESF Actuation & Unplanned Automatic Start of Safety Auxiliaries Cooling Sys Pump a Occurred Due to Personnel Error.Nco Involved in Event Counseled ‎ (← links)
  • 05000354/LER-1995-033-14, Forwards LER 95-033-14.Design Change Package Will Be Completed Which Will Revise RBM Bypass Setpoint Calculation ‎ (← links)
  • 05000354/LER-1996-014, :on 960416,nonconservative Safety Limit Min Critical Power Ratio Calculation Methodology Error Discovered.Caused by Inadequate Design Assumptions.Interim Controls Placed on MCPR ‎ (← links)
  • 05000354/LER-1992-014-02, :on 921023,RWCU & RHR Sys Isolation Occurred as Result of Partial Loss of Power to Nssss Sys Control Logic. Caused by Design Deficiency.Engineering Evaluation Underway to Determine If Addl Mods Required ‎ (← links)
  • 05000354/LER-1992-012-02, :on 921017,RM Skid Declared Inoperable Due to Low Sample Flow Indication on Particulate,Iodine & Noble Gas Monitor Portion of Skid.Caused by Design Deficiency.Design Review of RMS Skid Will Be Performed ‎ (← links)
  • 05000354/LER-1992-015-02, :on 921216,breaker Malfunction Occurred, Resulting in Bus Lockout & Deenergization of All Channel D Ac Powered Equipment.Caused by Logic Card Failure.Logic Card Replaced & Feeder Breaker Retested ‎ (← links)
  • 05000354/LER-1990-007, :on 900517,CR Received Indication of Half Scram & Isolation of Inboard RWCU Isolation Valve.Caused by Spurious Trip of Channel a RPS Bus Electrical Protection Assembly.Design Change Initiated ‎ (← links)
  • 05000354/LER-1990-033, :on 901219,CR Received Indication of Half Scram & Isolation of Inboard RWCU Isolation Valve Due to Faulty Logic Card on Channel RPS Bus.Design Change Implemented.W/ ‎ (← links)
  • 05000354/LER-1992-013-02, :on 921203,received Indications of Loss of Reactor Recirculation MG Set Cooling Fans.Caused by Personnel Error.Personnel Have Been Given Addl Training on Equipment Located in Work Area ‎ (← links)
  • 05000354/LER-1992-008-02, :on 920827,containment Penetration Test Isolation Valve Opened During Implementation of Troubleshooting Plan.Caused by Procedural Inadequacy. Troubleshooting Procedure to Be Modified ‎ (← links)
  • 05000354/LER-1996-023, :on 960821,RCIC Sys Isolation Occurred Due to Failed Steam Leak Detection Monitor.Failure Drawer Was Replaced & RCIC Sys Was Returned ‎ (← links)
  • 05000354/LER-1996-006, :on 920120,side Backdraft Isolation Dampers Installed Backwards.Caused by Construction Error.Restored Backdraft Isolation Dampers to Design Configuration ‎ (← links)
  • 05000354/LER-1996-008, :on 920510,plant Operated W/Control Rod Withdrawal Speeds Outside of Design Basis.Caused by mis-adjustment of Control Rod Drive Sys Flow Control Needle Valves.Rods Properly Set within UFSAR Limits ‎ (← links)
  • 05000354/LER-1996-033, :on 951114,two Events Occurred Due to Identification of TS Surveillance Test Inadequacy.Caused by Ineffective Procedures.Tssip Review Will Be Completed ‎ (← links)
  • 05000354/LER-1995-033-09, Forwards LER 95-033-09.Suppl Documents of Surveillance Implementation Deficiencies ‎ (← links)
  • 05000354/LER-1991-010, :on 910515,discovered ESF Actuation & Automatic Closure of RCIC Torus Vaccum Breaker Inboard Isolation Valve During Functional Testing.Cause Not Determined.Procedure Revised ‎ (← links)
  • 05000354/LER-1996-020, :on 960719,south Plant Vent Radioactive Gaseous Effluent Monitor Declared Inoperable.Caused by Failure to Perform Actions for Inoperable Instrumentation.Frequency of Grab Samples Flow Estimations Increased ‎ (← links)
  • 05000354/LER-1995-033-08, Forwards LER 95-033-08.Suppl Documents Discovery of TS Surveillance Implementation Deficiency Identified by TS Surveillance Improvement Program ‎ (← links)
  • 05000354/LER-1992-011-02, :on 920925,CR Operators Received Channel a PCIS Actuation Due to Procedural Deficiency.Individual Calibration Procedures Will Be Revised & Instrument Rack Restoration Procedures Will Be Expedited ‎ (← links)
  • 05000354/LER-1992-010-02, :on 920924,primary Containment Isolation Actuation Occurred Due to Procedural Deficiency.Incident Will Be Reviewed W/All Personnel Involved in Design Change Package Preparation & Review ‎ (← links)
  • 05000354/LER-1996-019, :on 960614,LPCI Has Not Been Appropriately Tested as Specified in TS SR 4.5.1.c.1.Caused by Ineffective Reviews of Procedures That Implement TS Requirements. Procedures Implementing TS Sr,Will Be Reviewed ‎ (← links)
  • 05000354/LER-1994-003, :on 941121,average Power Exceeded License Power Limit.Caused by Personnel Errors.Counseled Personnel & Placed Limitations on Reactor Power and Thermal Limits Until Feedwater Transmitters Calibr ‎ (← links)
  • 05000354/LER-1992-009-02, :on 920916,RWCU Isolation Occurred.Caused by Inadequate Planning for Removal of Analog Logic Cabinet. Instruction for Removal of Logic Cabinets Will Be Developed for Use in Future Work Packages ‎ (← links)
  • 05000354/LER-1996-018, :on 960522,failed to Test Control Room Emergency Filtration Sys.Caused by Inadequate Review & Approval of Surveillance Activities.Revised Surveillance Procedures ‎ (← links)
  • 05000354/LER-1996-017, :on 960505,failed to Perform Electrical Distribution Sys line-up.Caused by Personnel Error.Personnel Issues Addressed & Repaired Temp Control Valves for a and D Emergency Diesel Generator ‎ (← links)
  • 05000354/LER-1996-016, :on 960427,unplanned High Pressure Coolant Injection Sys Inoperability Due to Blown Fuse & Trip Unit Card Failure.Caused by Shorted Capacitor.Trip Unit Card & Fuse Were Replaced ‎ (← links)
  • 05000354/LER-1996-015, :on 960410,potential to Operate in Unanalyzed Condition Occurred.Caused by Original Design Calculation Deficiency.Appropriate Maximum UHS Temp Will Be re-evaluated ‎ (← links)
  • 05000354/LER-1996-013, :on 960406,ESFA Occurred Due to Isolation of MSL Drain Inboard Isolation Valve.Replaced & Tested Circuit Board ‎ (← links)
  • 05000354/LER-1996-012, :on 960320,missed Offgas Sample Resulting in Condition Prohibited by Ts.Caused by Defective Needle Luer Lock Adapter.Needle Luer Lock Adapter on Backup Sample Apparatus Replaced ‎ (← links)
  • 05000354/LER-1996-010, :on 960319,automatic Isolation Signal Received from High Steam Flow Signal.Caused by Deficient RCIC warm-up Procedure.Isolation Signal re-set,warm-up Completed & RCIC Sys Returned to svc.Warm-up Procedure Revised ‎ (← links)
  • 05000354/LER-1996-011, :on 960320,HPCIS Failed Surveillance & ADS Declared Inoperable Resulting in Entry Into TS 3.0.3.Caused by Personnel Error.Procedures Revised & Personnel Trained ‎ (← links)
  • 05000354/LER-1996-009, :on 960317,determined That Plant Operating in Unanalyzed Condition Due to Inappropriate Sws/Safety Auxiliary Cooling Sys Throttle Valve Settings.Repositioned Valves & Revised Appropriate Procedures ‎ (← links)
  • 05000354/LER-1992-007-02, :on 920605,SLCS Declared Inoperable Due to Low Concentration of Sodium Pentaborate.Caused by Procedural Deficiency.Chemistry Dept Procedures Revised to Add Sodium Pentaborate When Needed ‎ (← links)
  • 05000354/LER-1996-004, :on 960229,discovered Required IST Surveillances for D Safety Auxiliaries Cooling Sys Pump & B Station Svc Water Pump Not Performed.Caused by Less than Adequate Oversight.Instruction Provided ‎ (← links)
  • 05000354/LER-1995-042, :on 951212,fuel Bundle Was Confirmed to Be Misoriented During Operating Cycle.Caused by Less than Adequate Procedural & Human Factor Controls Being Established.Revised Procedures ‎ (← links)
  • 05000354/LER-1992-006-02, :on 920525,suppression Chamber Inoperable Due to Suppression Chamber to Drywell Vacuum Breaker Failures. Inoperable Vacuum Breakers Repaired & Bypass Leakage Surveillance Completed Satisfactorily ‎ (← links)
  • 05000354/LER-1995-038, :on 951127,failed to Comply W/Required Action Statement Upon Removal of Failed Snubber on RHR SDC Line.C/A to Avoid Unnecessary SDC Isolations & Associated Potential for Water Hammer Events Identified & Assigned in CAP ‎ (← links)
  • 05000354/LER-1995-038-02, Forwards LER-95-038-02 Re Failure to Comply W/Required Action Statement Upon Removal of Failed Snubber on RHR Shutdown Cooling Line.Suppl Updates Corrective Actions ‎ (← links)
  • 05000354/LER-1996-001, :on 960113,safety & Turbine Acs Heat Exchangers Fouled W/Detritus Occurred Due to Failed Svc Water Strainer. Strainers Replaced & Enhanced Maint & Design Mod ‎ (← links)
  • 05000354/LER-1996-003, :on 960214,failure to Perform Rcics Surveillances Condition Prohibited by Ts.Caused by Inadequate Review & Testing of Procedures.Surveillance Procedure Revised & Testing of Subject Valves ‎ (← links)
  • 05000354/LER-1995-016, :on 950708-09,SDC Bypass Event Occurred, Rendering SDC Mode of RHR Sys Inoperable Due to Procedural non-compliance & Inadequate Operator Knowledge,Skills & Training.Special Training on Event Conducted ‎ (← links)
  • 05000354/LER-1996-005, :on 960130,inadequate Surveillance Testing for RHR Suppression Pool & Spray Modes Occurred.Caused by Lack of Rigorous Application of Engineering Priciples.Ts Surveillance Requirements Revised ‎ (← links)
  • 05000354/LER-1995-041, :on 951226,ESF Start of D Ssws Pump & B CREF Fan Occurred During Performance of Lop/Loca Surveillance Test.Caused by Inadequate Procedures.Reinforced Expectations for Response to Conditions ‎ (← links)
  • 05000354/LER-1995-036, :on 951129,as Found Values for Safety Relief Valve Lift Setpoints Exceeded TS Allowable Limit.Caused by Corrosion Bonding of Pilot Disc to Pilot Seat.Srvs Inspected & Refurbished ‎ (← links)
  • 05000354/LER-1996-001-03, :on 960113,safety & Turbine Acs HXs Fouled W/Grass Due to Failed Service Water Strainer.Caused by Detritus Overloading.Strainer Replaced & Maint & Design Mods Enhanced ‎ (← links)
  • 05000354/LER-1995-026, :on 951026,RMCS Found in locked-up Condition. Caused by Power Supply Problems to Display Memory Module Card File & Loose Clamp Screw.Power Supply to RMCS Dmm Replaced,Cards Cleaned & Connections Tightened ‎ (← links)
  • 05000354/LER-1992-005-02, :on 920415,control Room Ventilation Isolation & Emergency Filter Started Resulting in ESF Actuation.Caused by Inadequate self-checking by Technician.Technician Counseled & Event Reviewed During Training ‎ (← links)
  • 05000354/LER-1995-040, :on 951218,EDG B Inadvertently Started Due to Improper Removal from Svc.Caused by Lack of Questioning Attitude by Operations Personnel.Addressed Communications Issues & Made Procedural Revs ‎ (← links)
  • 05000354/LER-1995-039, :on 951208,operation in Excess of 100% Rated Core Thermal Power Occurred Due to Core Thermal Power Calculation Methodology Error.Calculations Revised ‎ (← links)
  • 05000354/LER-1995-035, :on 951120,failed to Lock Reactor Mode Switch in Opcon 5,missed SRM Surveillance & Missed Suppression Chamber Level Surveillance Due to Inadequate Procedures. Revised Procedures ‎ (← links)
  • 05000354/LER-1995-034, :on 951110,TS Violation Occurred Due to Failure to Follow Rod Sequence Control Sys Surveillance Procedures. Revised Procedures ‎ (← links)
  • 05000354/LER-1995-032, :on 951114,failed to Complete Flood Protection Actions within Required Timeframe,Resulting in TS Violation Due to Low Mgt Priority Placed on Resolving Watertight Door Problems Properly.Watertight Door Repaired ‎ (← links)
  • 05000354/LER-1995-031, :on 951110,plant Shut Down Due to Inability to Perform Surveillance 4.6.2.1,drywell to Suppression Chamber Pressure Decay Test.Vacuum Breakers Will Be Tested & Testing Methodology Will Be Revised ‎ (← links)
  • 05000354/LER-1995-030, :on 951106,FRVS Noble Gas Surveillance Was Missed Due to Personnel Error.Revised Procedure ‎ (← links)
  • 05000354/LER-1995-029, :on 951102,both Trains of Standby Liquid Control Declared Inoperable Due to Failure to Perform Surveillance Per IST Requirements.Audit Team Performed in- Depth Review of Sys ‎ (← links)
  • 05000354/LER-1995-026-01, :on 951026,RMCS Found in locked-up Condition Causing Entry of LCO Action Statement.Caused by Failure to Maintain Power Supply within Required Tolerances. Investigation Continuing ‎ (← links)
  • 05000354/LER-1995-003-01, Informs of Extension of Expected Submission Date for LER 95-003-01 Entitled Failure to Perform Surveillance in Operational Condition Specified in TS from 951130 to 960105 ‎ (← links)
  • 05000354/LER-1995-025-01, :on 951024,HPCI Sys Was Declared Inoperable Due to Out of Adjustment Limit Switch.Replaced Limit Switch & Repaired HPCI Turbine Steam Admission Valve ‎ (← links)
  • 05000354/LER-1995-020, :on 950908,automatic Actuation of HPCI Suction Path Swapover ESF Occurred.Caused by Absence of Realistic Operating Band Considering Loop Inaccuracies.Incorporated Realistic Band Into Operations Procedures ‎ (← links)
  • 05000354/LER-1995-028, :on 951030,failed to Exert Best Efforts to Restore Liquid Effluent Radiation Monitoring Sys to Operable Status.Caused by Low Mgt Priority Given.Improved Related Processes ‎ (← links)
  • 05000354/LER-1995-027, :on 951027,grab Sample Not Taken within Required 8 Hour Period.Caused by Equipment Failure Resulting in 12 Hour Hot Shutdown.Investigation & Repair of Equipment Failures Initiated ‎ (← links)
  • 05000354/LER-1995-024-01, :on 950928,missed Special Rept for Filtration Recirculation Ventilation Sys High Range Noble Gas Monitor Rendered Inoperable on 950913.Caused by Personnel Error. Required Special Rept 95-03 Issued on 951024 ‎ (← links)
  • 05000354/LER-1995-023-01, :on 950930,unplanned Entry Into TS 3.0.3 Occurred Due to Not Demonstrating Operability of EDGs Per TS 3.8.1.1 Action B.Revised Procedure Based on License Change Request & Discussions W/Nrc ‎ (← links)
  • 05000354/LER-1990-031-02, :on 901129,HPCI Sys Declared Inoperable Due to High Vibration Readings on HPCI Booster Pump Speed Reducing Gear Box.Caused by Worn Shaft Bearing & Misaligned Input Shaft.Shaft Realigned ‎ (← links)
  • 05000354/LER-1990-021, :on 901003,determined That source-range & intermediate-range Monitor Electrical Connectors Replaced W/ non-environmentally Qualified Matl.Caused by Conflicting Documentation.Work Orders Initiated ‎ (← links)
  • 05000354/LER-1995-022-01, :on 950720,failed to Enter TS 4.0.3 When Conditions Dictated That All EDGs Should Have Been Declared Inoperable Due to Inadequate Analysis by Operator Experience Feedback Program.Counseled Involved Personnel ‎ (← links)
  • 05000354/LER-1995-009, :on 950613,squib Valve Explosive Charges Found to Be Past Mfg Expiration Date.Caused by Personnel Error. Explosive Charges in Traversing in-core Probe Shear Valves Replaced ‎ (← links)
  • 05000354/LER-1995-021, :on 950920,results of HPCI Sys Oil Reservoir Sample Indicated Moisture Content Above Specified Limit Established by Vendor.Caused by Steam Leakage Through Turbine Steam Admission Valve.Hpci Drained ‎ (← links)
  • 05000354/LER-1995-019-01, :on 860628,RCIC Sys Jockey Pump Suction Piping Has Been Inoperable Since Plant Startup.Caused by Failure to Address Suction from Torus & Required NPSH for FW Water Seal.Replaced RCIC Jockey Pump Suction ‎ (← links)
  • 05000354/LER-1992-001-02, :on 920121,indications of RPS Loss of Power, Half Scram & Initiation of Channel a & C NSS Shutoff Sys Received.Caused by Personnel Error.Technicians Counseled & Incident Reviewed W/Technicians ‎ (← links)
  • 05000354/LER-1991-019, :on 911123 & 911213,three Spurious Fan Starts in E Filtration Recirculation Ventilation Occurred Due to Water Accumulation in Low Flow Switch Sensing Lines.Design Change Package to Be Installed at Outage ‎ (← links)
  • 05000354/LER-1995-018-01, :on 950720,surveillance Test Was Missed Due to Procedure & Personnel Error & Automatic Depressurization & HPCI Sys Inoperability.Memo Sent to All I&C Supervisors & Technicians Re Event ‎ (← links)
  • 05000354/LER-1991-018-01, :on 910914, F Filtration Recirculation Ventilation (FRVS) Fan Discovered Running Due to Water in Low Flow Switch Combined W/Minor Pressure Perturbation in Ventilation Sys.Design Change Approved ‎ (← links)
  • 05000354/LER-1992-004-01, :on 920308,during Design Change Implementation, Channel B ECCS Actuation Led to Engineered Safety Sys Actuation.Caused by Design Deficiency & Personnel Errors. Design Change Tested & Personnel Counselled ‎ (← links)
  • 05000354/LER-1992-002-02, :on 920128,control Room Ventilation Train B Tripped.Caused by Marginal Freon Level,Instrument Drift & Seasonal Temp Changes.Freon Level Restored & Frequency of Switch Calibrs Revised ‎ (← links)
  • 05000354/LER-1992-003-02, :on 920129,inadvertent Isolation of Control Room Ventilation Sys a & Start of Emergency Filter Unit 1 Occurred.Caused by Failed Foil Cover on Channel Detector. Foil Replaced & Detector Recalibr ‎ (← links)
  • 05000354/LER-1995-017-01, :on 950713,discovered That Testing of Emergency Bus Undervoltage Logic Circuitry Inadequate,Surveillance Test Missed & DGs Declared Inoperable Due to Procedural Inadequacy.Test Procedures Prepared & Issued ‎ (← links)
  • 05000354/LER-1995-015, :on 950708,reactor Shutdown to Comply W/Ts 3.7.2 Exceeded LCO for a CR Ventilation.Caused by Momentary Power Interruption to Control Circuit Due to Problem W/Freon.Replaced Freon Temp Switch ‎ (← links)
  • 05000354/LER-1995-014, :on 950703,automatic Actuation of HPCI Sys Suction Path Swapover ESF Occured Due to Personnel Did Not Fully Understand Potential Effects of Total Loop Instrument Accuracy.Sensitized Personnel ‎ (← links)
  • 05000354/LER-1991-020-01, :on 911207,personnel Received Indication of HPCI Isolation During Steam Line Warmup Following HPCI Outage.Caused by Improper Wiring of Temp Detector.Wiring Corrected & Delta-T Circuits Inspected ‎ (← links)
  • 05000354/LER-1995-013, :on 950627,discovered Condidtion Prohibited by TS Due to Missed Surveillance in Accordance W/Requirements of TS 4.0.5.Surveillance Considered Overdue as of 950427. Surveillance Scheduling Sys Updated ‎ (← links)
  • 05000354/LER-1995-012, :on 950626,discovered That Door to Exclusion Area,Steam Tunnel on Elevation 102 Not Locked Due to Previous Installation Error.Door Guarded from Time of Discovery Until Lock Repaired & Locked ‎ (← links)
  • 05000354/LER-1995-011-01, :on 950620,unexpected Trip of RCIC Pump Occurred.Caused by Personnel Error.Work Stds Handbook Direction in Regard to Climbing on Plant Equipment Will Be Revised ‎ (← links)
  • 05000354/LER-1991-019-01, :on 911123,discovered Filtration Recirculation Fan Running.On 911213,recirculation Fan Spuriously Started. Caused by Accumulation of Water in Low Flow Switch. Instrument Lines Cleaned & Switch Replaced ‎ (← links)
  • 05000354/LER-1995-010, :on 950621,during Scheduled HPCI Sys IST RCIC Turbine & Jockey Pump Tripped Due to Personnel Error. Reviewed Event W/All Dept Personnel Re Need to Review Work Order to Identify Proper RWP ‎ (← links)
  • 05000354/LER-1995-009-01, :on 950613,identified That Last Squib Surveillance Performed During Refuel Outage 3 in 1991 & All 5 Squib Valve Explosive Charges Past Mfg Expiration Date. Caused by Personnel Error.Charges Replaced ‎ (← links)
  • 05000354/LER-1995-008, :on 950608,reviewer Determined Procedure Rev Would Render HPCI Inoperable During Jockery Pump Test.Caused by Personnel Error.Lessons Learned Will Be Shared W/ Appropriate Individuals ‎ (← links)
  • 05000354/LER-1995-007-01, :on 950603,diesel Fuel Oil Storage Tank Level Found Below TS Min Level Requirement Due to Design Deficiency.Alarm Response Procedure Revised ‎ (← links)
  • 05000354/LER-1990-022, :on 901022,inadvertent auto-start of Core Spray Pump a Occurred,Causing ESF Actuation.Caused by Technician Connecting Test Switch Lead to Wrong Terminal. Technician Counseled & Design Change Initiated ‎ (← links)
  • 05000354/LER-1995-006, :on 950323,480 Volt Normal Infeed Breaker Did Not Close During Attempted Transfer.Caused by Procedural non-compliances/personnel Error.Personnel Will Be Disciplined ‎ (← links)
  • 05000354/LER-1991-016-01, :on 910724,ESF Actuation Occurred Re RCIC Sys Isolation.Caused by Instrument Failure.Failed Card in Numac Monitor Replaced & Sys Returned to Operable Status ‎ (← links)
  • 05000354/LER-1990-029, :on 901126,ECCS Actuation Occurred Re Electrical Spike on Channel a Logic Results in Autostart of Channel A.Caused by Inadequate Design.Nuclear Training Dept Incorporated Review of Event ‎ (← links)
  • 05000354/LER-1991-015-01, :on 910626,ESF Actuation Occurred Due to Trip of Reactor Protection Sys Channel a Electrical Protection Assembly.Caused by Spurious Trip.Functional Test of Electrical Protection Assembly Conducted ‎ (← links)
  • 05000354/LER-1991-014-01, :on 910619,various Channel B ECCS Actuations Initiations Occurred Due to Design Deficiency in ECCS Relay Cabinet.Design Change in Relay Cabinet Completed & Tested Satisfactorily ‎ (← links)
  • 05000354/LER-1991-017-01, :on 910815,ESF Actuation Occurred Re High Pressure Coolant Injection Sys.Caused by Equipment Malfunction.Optic Isolator Card Changed at Next Scheduled HPCI Sys Outage ‎ (← links)
  • 05000354/LER-1995-005, :on 950320,unplanned Manual Reactor Scram Due to Loss of Both Reactor Recirculation Pumps While in Operational Condition 1.Design Change Was Created to Eliminate MG Set Motor Breaker Trip ‎ (← links)
  • 05000354/LER-1995-004, :on 950308,determined That Items or Conditions Meeting Requirements of 10CFR50.73 Required to Be Reported Regardless of Any Other Notifications.Caused by Personnel Error.Reporting Requirements Reviewed ‎ (← links)
  • 05000354/LER-1995-002, :on 950215,notified That Surveillance Test Used to Verify Operability of RSS Instrumentation Did Not Satisfy Surveillance Requirements of TS 3.3.7.4.Caused by Incorrect Rev in 1986.Procedure Has Been Revised ‎ (← links)
  • 05000354/LER-1991-010-01, :on 900515,automatic Closure of Inboard RCIC Torus Vacuum Breaker Isolation Occurred.Cause of Event Inconclusive.Further Testing & Insp of Valve Logic Control Circuitry Will Be Conducted at Next Outage ‎ (← links)
  • 05000354/LER-1995-001, :on 950130,procedure That Had Been Revised Via Temporary on-spot Change on 941223 Had Not Been Reviewed & Approved.Caused by Improper Work Practices.Individual Involved Counseled ‎ (← links)
  • 05000354/LER-1994-016, :on 941102,EDG Unknowingly Started When Technician Working in Diesel Relay Cabinet Bumped Against Diesel Start Relay.Personnel Involved in Event Counseled ‎ (← links)
  • 05000354/LER-1991-013-01, :on 910605,both Trains of Standby Liquid Control Discovered Inoperable During Performance of Inservice Testing.Caused by Procedural Deficiency.Procedures Modified ‎ (← links)
  • 05000354/LER-1991-012-01, :on 910604,condition Requiring Entry Into Tech Spec 3.0.3 Occurred.Caused by Concurrent Inoperability of High Pressure Coolant Injection Sys for Surveillance & B Low Pressure Coolant Injection Sys for Maint ‎ (← links)
  • 05000354/LER-1991-011-01, :on 910522,both Control Room Ventilation Sys Trains Declared Inoperable.Caused by Unrelated Equipment Malfunctions.Temporary Repair Performed on Broken Terminal on a CRV Compressor ‎ (← links)
  • 05000354/LER-1991-008-01, :on 910507,reactor Scram on Low Water Level Occurred.Caused by Personnel Error.Counseling Controls Technician Re self-verification & Attention to Detail & Implementing Design Change ‎ (← links)
  • 05000354/LER-1991-009-01, :on 910508,full Reactor Protection Sys Actuation Occurred Due to Electronic Spiking of Intermediate Range Monitor G.Caused by Equipment Malfunction.Monitor Replaced Prior to Plant Return to Power ‎ (← links)
  • 05000354/LER-1991-007-01, :on 910505,filtration,recirculation & Ventilation Sys Units Discovered Inoperable During Surveillance Test.Caused by Blown Heater Control.Blown Fuses Replaced & Unit Returned to Operable Status ‎ (← links)
  • 05000354/LER-1994-003-03, :on 941121,condition Prohibited by License, Operation of Facility in Excess of Licensed Power Level Due to Personnel Error.Personnel Involved Have Been Counseled & Disciplined ‎ (← links)
  • 05000354/LER-1994-013-01, :on 940915,control Room Shift Manning Requirements of TS 6.2.2.a Were Not Met.Caused by Personnel Error.Administrative Procedure Revised & Operators Trained ‎ (← links)
  • 05000354/LER-1994-019, :on 941213,moisture Content Above Limit Specified for Turbine Operation.Caused by HPCI Oil Reservoir Leaking Through Steam Admission Isolation Valve.Hpci Lube Oil Sys Drained,Flushed & Filled W/New Oil ‎ (← links)
  • 05000354/LER-1994-018, :on 941207,discovered Design of Deficiency Common to Redundant Station Svc Water Traveling Screens. Engineering Revised Design,Eliminated Flow Sensor & Utilized Booster Pump Breaker Position ‎ (← links)
  • 05000354/LER-1994-017, :on 941022,during Performance of Quarterly in Svc Test of Safety Auxiliary Cooling Sys Two Room Cooler Isolation Valves Failed to Stroke Open.Caused by Common Mode Failure Existed.Valves Will Be Stroked Weekly ‎ (← links)
  • 05000354/LER-1994-015, :on 941007,RPS Actuation - Invalid Main Turbine Trip Resulted in Reactor Scram Due to Component Failure.Ehc Card Replaced & Satisfactorily Tested & Failure Analysis Performed on Failed Card ‎ (← links)
  • 05000354/LER-1994-014-01, :on 941002,reactor Scram Occurred Due to Sudden Trip of Main Turbine Generator.Caused by Design Deficiency in Digital Fwcs.Confirmatory Level 8 Trip for Main Turbine Wired Correctly & Design Change Implemented ‎ (← links)
  • 05000354/LER-1990-014, :on 900817,discovered Tech Spec Limit for Ultimate Heat Sink Established Unconservatively High. Caused by Design Calculation Error.Design Change Request Initiated ‎ (← links)
  • 05000354/LER-1991-006-03, :on 910405,RWCU Isolation Occurred During Course of Venting Sys Differential Flow Transmitters.Caused by Deficient Sys Operating Procedure.Procedure Change Implemented & Event Reviewed W/Personnel ‎ (← links)
  • 05000354/LER-1990-028, :on 901117,turbine Trip on Moisture Separator High Level Resulted in Reactor Scram.Caused by Moisture Separator Level Control Sys Malfunction.Control Room Personnel Instructed on Procedures ‎ (← links)
  • 05000354/LER-1994-012-01, :on 940830,during Insp Short Circuit Occurred That Caused Trip of Logic Sys for Associated Valve.Caused by Incorrectly Sized Fuse.Correct Size Fuse Was Installed in Logic Module ‎ (← links)
  • 05000354/LER-1994-011, :on 940801,reactor Scram Occurred During Surveillance Testing Due to Faulty Test Equipment.Maint Dept Administrative Procedures Will Be Revised to Assure That New Equipment Included within Program ‎ (← links)
  • 05000354/LER-1994-010-01, :on 940729,discovered That Work Order for Monthly Surveillance Test of Filtration,Recirculation Ventilation Sys Not Closed Out Properly Due to Personnel Error.Work Order Sys Data Base Reviewed ‎ (← links)
  • 05000354/LER-1994-009-02, :on 940718,discovered Design Deficiency in Orginal Plant Design.Caused by Design Change Omitting Necessary Wiring Changes for Control Switch.Personnel Involved Have Been Counseled ‎ (← links)
  • 05000354/LER-1994-002-02, :on 940321,discovered Past Occurrence Where Operator Stood Watch in Dual Role as Nss/Sta W/O Meeting STA Educ Requirements.Caused by Failure of Hiring Process. Individual Involved Terminated ‎ (← links)
  • 05000354/LER-1990-029-01, :on 901126,emergency Core Cooling Sys Actuation Electrical Spike on Channel a Logic Results in Auto Start of Channel a Component.Multiple Causes Listed.Design Changes Implemented & Logic Cards Replaced ‎ (← links)
  • 05000354/LER-1991-004, :on 910203,ESF Actuation & Primary Containment Isolation Sys Actuation Occurred While Manipulating Vessel Level Instrument.Caused by Inherent Sensitivity of Reactor Vessel.Incident Will Be Reviewed W/Technicians ‎ (← links)
  • 05000354/LER-1991-002-01, :on 910122,determined That three-room Temp Monitoring Thermocouples,Providing Input to Steam Leak Detection Sys,Incorrectly Wired.Caused by Installation Deficiency.Thermocouples Checked ‎ (← links)
  • 05000354/LER-1994-008-01, :on 940602,noncompliance W/Ts 3.3.7.11 Re Action for Out of Svc Radiation Monitoring Instrumentation Occurred.Caused by Personnel Error.Calibration Procedure Will Be Revised ‎ (← links)
  • 05000354/LER-1994-007-02, :on 940515,reactor Automatically Scrammed on Low Level Due to Design & Training Deficiencies.Auto Swap from Auto to Manual Pump Control for Detection of RFP Flow Transmitter Failure Deleted ‎ (← links)
  • 05000354/LER-1994-006-02, :on 940426,actuation of Nuclear Steam Supply Shutoff System (NS4) Occurred Due to Equipment Failure. Corrective Action:Failed Heater Was Replaced & Engineering Is Currently Reviewing Fault Protection Scheme ‎ (← links)
  • 05000354/LER-1994-005-02, :on 940420,ESF Actuation & RHR Sys Isolation Occurred During Surveillance Testing.Caused by Design Deficiency.Station Committed to Install & Test New Alternate Power Supply Transformers by Year End ‎ (← links)
  • 05000354/LER-1991-001-01, :on on 910111,primary Containment Isolation Sys Channel B Actuated.On 910110,ESF Actuated During Performance of Surveillance Test.Caused by Variety of Factors.Functional Test Procedure for ECCS Modified ‎ (← links)
  • 05000354/LER-1990-034-02, :on 901224 & 910107,filtration,recirculation & Ventilation Sys (FRVS) Recirculation Fan Found Running. Caused by Less than Adequate Design of FRVS Fan auto- Initiation Circuitry.Time Delay Installed ‎ (← links)
  • 05000354/LER-1990-033-02, :on 901219,control Room Received Indication of Half Scram & Isolation of Inboard RWCU Valve.Caused by Faulty Logic Card on Channel a RPS Bus Ac Power Supply.Card Replaced & Logic Card Design Change Initiated ‎ (← links)
  • 05000354/LER-1990-032-02, :on 901211,PCIS Channel B Isolation Signal Generated.Caused by Inadequate Supervisory Oversight of Subject Surveillances by Controls Supervisor & Nuclear Shift Supervisor.Personnel Counseled ‎ (← links)
  • 05000354/LER-1990-029-02, :on 901126,charger Output Voltage Spiked High & Initiated Electrical Sys Response Resulting in ECCS Logic. Causes Include Failure of Battery Charger Control Logic Card ‎ (← links)
  • 05000354/LER-1990-030-02, :on 901128,offgas Sys Hydrogen Grab Sample Not Taken within 4 H of Declaring Normal H2 Monitors Inoperable. Caused by Personnel Error.Personnel Responsible Counseled & LER Rept Forwarded to Nuclear Training Dept ‎ (← links)
  • 05000354/LER-1990-028-02, :on 901117,turbine Trip on Moisture Separator High Level Resulted in Reactor Scram Due to Moisture Separator Level Control Sys Malfunction.Troubleshooting of Level Control Sys Conducted ‎ (← links)
  • 05000354/LER-1990-027-02, :on 901116,discovered That Analysis of Offgas Sys Sample for Hydrogen Content Not Performed within 4 H as Required by Tech Specs.Caused by Personnel Error.Technician Counseled & Disciplinary Action Taken ‎ (← links)
  • 05000354/LER-1990-026-02, :on 901114,warmup of HPCI Sys Steam Supply Lines Conducted in Peparation for Restart During Forced Outage.Caused by Broken Pipe Support on Steam Supply Line. Design Change Request Initiated ‎ (← links)
  • 05000354/LER-1990-024-02, :on 901104,discovered Reactor Scram on High Average Power Range Monitor Flux Levels Due to Broken Gas Line ‎ (← links)
  • 05000354/LER-1990-025-02, :on 901104,discovered Recirculation Sys Instrument Line Crack.Caused by vibration-induced Fatigue ‎ (← links)
  • 05000354/LER-1990-022-02, :on 901022,inadvertent Auto Start of Core Spray Pump Occurred During Maint Dept Controls Surveillance Test ‎ (← links)
  • 05000354/LER-1990-023-02, :on 901022,automatic Start of E Filtration, Recirculation & Ventilation Sys Occurred ‎ (← links)
  • 05000354/LER-1994-001-02, :on 940305,ESF Sys Actuation,Isolation & Loss of Shutdowm Cooling Occurred.Caused by Personnel Error.Lead Technician Counseled on Event ‎ (← links)
  • 05000354/LER-1993-012-02, :on 931201,manual Reactor Scram Initiated Due to Severe Arcing on Main Generator Exciter Brush Assembly. Caused by Inadequate Preventive Maint Procedures & Insps. Monthly Insp Procedures Being Revised ‎ (← links)
  • 05000354/LER-1993-011-02, :on 931121,engineered Safety Sys Actuation Occurred & Svc Water Pump Started Due to Invalid Refuel Floor High Radiation Signal.Caused by Equipment Failure. Failed Preamp Card Replaced ‎ (← links)
  • 05000354/LER-1990-020-02, :on 901003,shift Supervisor Directed Entry Into Tech Spec 3.0.3 to Replace Suspect Pressure Transmitter in Reactor Vessel Instrument Racks,Per NRC Bulletin 90-001.W/ ‎ (← links)
  • 05000354/LER-1990-019-02, :on 900927,semiannual Type B Local Leak Rate Test on Drywell Personnel Airlock Discovered 1 Day Overdue. Caused by Inadequate Scheduling of Surveillances. Scheduling Revised & Tech Specs Reviewed ‎ (← links)
  • 05000354/LER-1990-016-02, :on 900824,inadequate Diesel Fuel Oil Analysis Methods by Lab Resulted in Entry of Tech Spec 3.0.3. Investigation Re Cause of Incident Not Complete ‎ (← links)
  • 05000354/LER-1990-015-02, :on 900821,during Performance of Test Procedure on Steam Leak Detection Sys,Isolation of Reactor Core Isolation Cooling Inboard Steam Isolation Valve Occurred.Caused by Personnel Error ‎ (← links)
  • 05000354/LER-1990-014-02, :on 900817,determined That Tech Spec Min Operability Value for Ultimate Heat Sink Temp High.Caused by Misinterpretation of Evaluation of Svc Water Sys & Safety Auxiliaries Cooling Sys HX Design Calculations ‎ (← links)
  • 05000354/LER-1990-011-02, :on 900703,determined That Control Room B Emergency Filtration (CREF) Sys Had Been Run on CREF Train A.Caused by Personnel Error.Nuclear Shift Supervisors Involved Counseled ‎ (← links)
  • 05000354/LER-1993-009-02, :on 931109,engineered Safety Sys Actuation Occurred During Surveillance Testing Due to Test Equipment Malfunction.Verified Mode Switch Position & Replaced Toggle Switch ‎ (← links)
  • 05000354/LER-1990-010-02, :on 900628,ESF Actuation/Rwcu Isolation on High Differential Flow Signal Occurred Due to Procedural Inadequacies & Personnel Error.Caused by Open Drain Path Upstream of Discharge Valve.Isolation Reset ‎ (← links)
  • 05000354/LER-1993-010-02, :on 931110 B Control Room Ventilation Sys Tripped.Caused by Loose Electrical Connections in Control Panel.Replacement of Swivel & Installation of New Connectors in Control Cabinet Completed ‎ (← links)
  • 05000354/LER-1993-008-02, :on 931101,engineered Safety Sys Actuation & Invalid HPCI Sys Isolation Occurred.Caused by Personnel Error.Technician Counseled Re Attention to Detail & Proper Self Checking ‎ (← links)
  • 05000354/LER-1990-018-02, :on 900926,safety Auxiliaries Cooling Sys Pump a Declared Inoperable to Conduct NDE on through-wall Leak on Pump Casing.Pump Replaced & Pump Casing Defect Will Be Evaluated ‎ (← links)
  • 05000354/LER-1990-016, :on 900824,discovery That Diesel Fuel Oil Analysis by Contract Lab Inadequate.Waiver of Compliance of 48 H Requested.Use of Contractor Lab Discontinued & Purchase Orders Reviewed ‎ (← links)
  • 05000354/LER-1993-007-02, :on 931026,TS Violation Occurred Due to Control Room Emergency Filter Sys Being Declared Inoperable. Repaired Damper Actuator ‎ (← links)
  • 05000354/LER-1990-017-02, :on 900912,Tech Spec 3.0.3 Entered Due to Lack of Calibr of Differential Pressure Switch ‎ (← links)
  • 05000354/LER-1990-009-02, :on 900607,HPCI Sys Oil Samples Indicated High Water Content & Traces of Sediment Contamination.Caused by Design Deficiency in HPCI Turbine Lube Oil Reservoir. Reservoir Cleaned,Flushed & Wiped Down ‎ (← links)
  • 05000354/LER-1990-008-02, :on 900604,reactor Bldg Exhaust Radiation Monitor Trip Setpoint Found Nonconservatively High.Caused by Personnel Error.Technicians Disciplined,Rept Reviewed W/All Personnel & Setpoint Included in Procedure ‎ (← links)
  • 05000354/LER-1993-004-02, :on 930516,component Failure in EHC Sys Resulted in Generator/Turbine Trip & Reactor Scram.Failed Components Replaced & Addl Monitoring Devices Installed on EHC Sys ‎ (← links)
  • 05000354/LER-1993-003-02, :on 930513,plant Transient Initiated When 13.8 Kv Pothead Failed,Inducing Voltage Drop & Phase Differential Relay Actuation Due to Loss of Offsite Power on 2 of 4 Vital Buses.Failed Pothead Replaced ‎ (← links)
  • 05000354/LER-1990-006-02, :on 900512,filtration,recirculation & Ventilation Sys Recirculation Fan E Discovered Running by Nuclear Control Operator.Cause Not Determined.Work Orders Initiated to Inspect Flow Switches ‎ (← links)
  • 05000354/LER-1990-007-02, :on 900517,control Room Received Indication of Half Scram & Isolation of Inboard Reactor Water Cleanup Isolation Valve.Caused by Spurious Trip of Channel a Reactor Protection Sys Epa.Design Change Implemented ‎ (← links)
  • 05000354/LER-1990-005-02, :on 900419,determined That Inoperability of Liquid Radwaste Discharge Monitor Not Reported in Recent Radioactive Effluent Release Rept.Caused by Procedural Deficiency.Effluent Rept Revised ‎ (← links)
  • 05000354/LER-1990-004-02, :on 900418,ground Fault on Motor Control Ctr Feeder Breaker Occurred & Resulted in de-energization of Reactor B Protection Sys.Cause Not Determined.Feeder Breaker & Trip Device Replaced ‎ (← links)
  • 05000354/LER-1993-001, :on 930216,while Performing Monthly Functional Test for HPCI Sys Delta T Channel A5,discovered That Channel Under Test in Bypass Condition.Caused by Procedural Inadequacy.Procedures Re Use of Spare Channel Revised ‎ (← links)
  • 05000354/LER-1993-001-01, Forwards Revised LER 93-001-01,correcting Typo in LER Number Specified in Previous Occurrence Section from 86-009-00 to 89-006-00 ‎ (← links)
  • 05000354/LER-1993-002-02, :on 930323,discovered That Required post-maint Retest Activities Not Performed for Several Valves Repaired During Outage.Caused by Personnel Error.New Recurring Tasks Will Be Established When Frequency Changes ‎ (← links)
  • 05000354/LER-1993-001-02, :on 930216,noted That HPCI Isolation Sys Delta T in Bypass Condition During Monthly Functional Test.Caused by Procedural Inadequacy.Procedures Will Be Revised to Identify Actions to Place Channel in Svc ‎ (← links)
  • 05000354/LER-1990-003-02, :on 900319,reactor Scram Occurred on Low Reactor Level When All Feedwater Pumps Tripped in Response to Loss of Primary & Secondary Condensate Pumps.Caused by Offsite Marsh Fire.Incident Reviewed ‎ (← links)
  • 05000354/LER-1994-003-02, :on 940405,loss of Shutdown Cooling Occurred Due to an Inadvertent High Reactor Pressure Isolation Signal.Corrective Action:Operations Department Procedure Used to Restore Shutdown Cooling Isolations ‎ (← links)
  • 05000354/LER-1994-001, :on 940305,ESF Actuation/Isolation & Loss of Shutdown Cooling Occurred.Caused by Personnel Error. Technician Counseled ‎ (← links)
  • 05000354/LER-1991-005-01, :on 910219,reactor Scram Relay Malfunction Resulted in Startup Level Control Valve Failing Closed. Caused by Failure of Relay Controlling Position of RFW 12 Startup Level Control Valve.Relay Replaced ‎ (← links)
  • 05000354/LER-1991-003, :on 910125,channel C Primary Containment Isolation Sys Actuated,Resulting in Trip of Radwaste Area Supply & Exhaust Fans.Caused by Design Deficiency Re Steam Leak Detection Sys Cabinets.Fuse Replaced ‎ (← links)
  • 05000354/LER-1990-035-02, :on 901227,pipe Section on Svc Water Sys (Ssws) a Loop Developed Minor Through Wall Flaw.Caused by Pipe Corrosion.Pipe Section on Ssws Will Be Replaced Prior to Restart from Current Refueling Outage ‎ (← links)
  • 05000354/LER-1990-025-01, :on 901104,leak Discovered on Weld on Reactor Recirculation Instrument Line While Investigating Source of Drywell Leakage.Caused by Crack at Welded Joint Due to vibration-induced Fatigue.Line Replaced ‎ (← links)
  • 05000354/LER-1989-026, :on 891231,leak from Weld on 1-inch Reactor Recirculation Sys Elbow Tap Flow Transmitter Instrument Line Joint Discovered.Caused by Equipment Failure Due to Installation Deficiency During Plant Const ‎ (← links)
  • 05000354/LER-1990-001-02, :on 900106,turbine Trip on Moisture Separator High Level Resulted in Reactor Scram.Caused by Combination of Equipment Failure & Cognitive Personnel Errors.Moisture Separator Drain Control Instrumentation Tuned ‎ (← links)
  • 05000354/LER-1989-025-02, :on 891230,turbine Trip Occurred During Performance of Main Turbine Thrust Bearing Wear Detector Surveillance.Caused by Malfunction of Limit Switch.Design Change Implemented for Keylock Bypass Switch ‎ (← links)
  • 05000354/LER-1990-002-02, :on 900119,HPCI Outboard Steam Supply Isolation Valve Auto Closed on High Room Differential Temp Signal. Caused by Inoperative Temp Control Loop.Troubleshooting of Loop Initiated to Determine Malfunction ‎ (← links)
  • 05000354/LER-2019-002, Safety Relief Valve (SRV) As-found Set-point Failures ‎ (← links)
  • 05000354/LER-1989-026-01, :on 891231,leak from Weld on Reactor Recirculation Sys Flow Transmitter Instrument Line Joint Discovered.Cause Not Stated.Instrument Line Cut Out & Replaced W/New Section of Piping ‎ (← links)
  • 05000354/LER-1989-021, :on 891013,concluded That Class 1E Electrical Separation Criteria Not Met in Reactor Protection Sys Panel. Caused by Inadequate Review of 1986 Design Change Package. Nonconforming Power Supplies Removed ‎ (← links)
  • 05000354/LER-1989-024-01, :on 891129,determined That Surveillance Frequency for Safety Auxiliaries Cooling Sys Valve EG-HV-2302B Should Have Been Increased.Caused by Data Recording Error.Personnel Counseled ‎ (← links)
  • 05000354/LER-1989-019-02, :on 891004,inadequate Instrumentation Used on Core Spray Pumps for ASME Section XI Testing.Caused by Inadequate Design Change Package.Event Reviewed W/Station Inservice Testing Engineer ‎ (← links)
  • 05000354/LER-1989-023-01, :on 891104,full Reactor Protection Sys Signal Inadvertently Generated While Pressurizing Drywell,Resulting in Full Scram Signal.Caused by Procedural Deficiency. Integrated Leak Rate Test Procedure Revised ‎ (← links)
  • 05000354/LER-1989-022, :on 891016,reactor Protection Sys Electric Protection Assemblies Opened,Resulting in Loss of RHR B Which Had Been Operating in Shutdown Cooling Mode.Caused by Low Voltage Output.Assemblies Reset ‎ (← links)
  • 05000354/LER-1989-021-01, :on 891013,review of GE Transient Analysis Recording Sys Determined That Class 1E Electrical Separation Criteria Not Met in Two Reactor Protection Sys Panels. Nonconforming Power Supplies Removed ‎ (← links)
  • 05000354/LER-1989-020-01, :on 891011,pressure Spike in Reactor Vessel Ref Leg Resulted in ESF Actuation During Filling & Venting of Pressure Transmitter.Caused by Personnel Error.Technicians Counseled & Retrained in Venting Procedures ‎ (← links)
  • 05000354/LER-1989-022-01, :from 891016-27,scrams Experienced on Channel B Reactor Protection Sys Electric Assemblies & Nuclear Steam Supply Shutdown Sys Isolated,Resulting in Loss of Shutdown Cooling.Assemblies & Output Voltages Reset ‎ (← links)
  • 05000354/LER-1989-018-01, :on 891003,determined That Two Tech Spec Required Readings Not Taken as Required When Vent Monitoring Sys Inoperable on 890929.Caused by Lack of Adequate Communication.Personnel Involved Counseled ‎ (← links)
  • 05000354/LER-2019-001, Manual Scram and Manual Actuation of Reactor Core Isolation Cooling ‎ (← links)
  • 05000354/LER-2018-004, High Pressure Coolant Injection System Inoperable Due to Failed Fuse ‎ (← links)
  • 05000354/LER-2018-002-01, Safety Relief Valve L (SRV) As-Found Setpoint Failure ‎ (← links)
  • 05000354/LER-2018-003-01, Feedwater Isolation Valve Leakage Exceeded Technical Specification Limit ‎ (← links)
  • 05000354/LER-2018-003, Feedwater Isolation Valve Leakage Exceeded Technical Specification Limit ‎ (← links)
  • 05000354/LER-2018-001, Operations with a Potential to Drain the Reactor Vessel Without Secondary Containment ‎ (← links)
  • 05000354/LER-1917-001, Regarding Secondary Containment Door Not Latched in Closed Position ‎ (← links)
  • 05000354/LER-2016-006, Regarding Mode Change Without B Channel Level Instrumentation Operable ‎ (← links)
  • 05000354/LER-2016-005, Regarding Reactor Protection System Actuation While the Reactor Was Shutdown ‎ (← links)
  • 05000354/LER-2016-004, Regarding Operations with a Potential to Drain the Reactor Vessel (OPDRV) Without Secondary Containment ‎ (← links)
  • 05000354/LER-2016-003, Regarding As-Found Values for Safety Relief Valve Lift Set Points Exceed Technical Specification Allowable Limit ‎ (← links)
  • 05000354/LER-2016-002, Regarding High Pressure Coolant Injection System Inoperable ‎ (← links)
  • 05000354/LER-2016-001, Regarding High Pressure Coolant Injection System Found to Be Inoperable During Testing ‎ (← links)
  • 05000354/LER-2015-005, Regarding Reactor Scram Due to Invalid RRCS Actuation ‎ (← links)
  • 05000354/LER-2015-004, Regarding As-Found Values for Safety Relief Valve Lift Set Points Exceed Technical Specification Allowable Limit ‎ (← links)
  • 05000354/LER-2015-003, Regarding Conditions Prohibited by Technical Specifications Due to Low Pressure ECCS ‎ (← links)
  • 05000354/LER-2015-002, Regarding Operations with a Potential to Drain the Reactor Vessel (OPDRV) Without Secondary Containment ‎ (← links)
  • 05000354/LER-2015-001, Regarding Conditions Prohibited by Technical Specifications Due to Core Spray Lnoperabilities ‎ (← links)
  • 05000354/LER-2013-011, Regarding Filtration, Recirculation, and Ventilation System Exceeded Technical Specification Allowed Outage Time ‎ (← links)
  • 05000354/LER-2013-010, Regarding Loss of Both Control Room Chillers ‎ (← links)
  • 05000354/LER-2013-007, Regarding As-Found Values for Safety Relief Valve Lift Set Points Exceed Technical Specification Allowable Limit ‎ (← links)
• ML090850434 (redirect page) ‎ (← links)
• 05000354/LER-2009-006, Regarding Post-fire Safe Shutdown Analysis Error ‎ (← links)
• 05000354/LER-2009-005, Regarding Missed EDG Surveillance Check ‎ (← links)
• 05000354/LER-2009-004, Regarding Multiple Control Rod Drifts Resulting in a Reactor Scram ‎ (← links)
• 05000354/LER-2009-003, For Hope Creek, Regarding Traversing In-Core Probe (TIP) Containment Isolation Valves Found Open ‎ (← links)
• 05000354/LER-2009-002, As Found Values for Safety Relief Valve Lift Setpoints Exceed Technical Specification Allowable ‎ (← links)