Pages that link to "05000389/LER-1999-001"
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The following pages link to 05000389/LER-1999-001:
Displayed 50 items.
- 05000389/LER-2005-001 (← links)
- 05000389/LER-2001-001 (← links)
- 05000389/LER-1983-001, Forwards LER 83-001/01T-0 (← links)
- 05000389/LER-1986-007, Forwards Response to NRC 861001 Request for Addl Info Surrounding Event Reported in LER 86-007 Re Inoperable Pressurizer Safety Valves (← links)
- 05000389/LER-2024-003, Unplanned Reactor Scram (← links)
- 05000389/LER-2024-002-01, Safety Injection Tank Vent Through Wall Leakage (← links)
- 05000389/LER-2024-002, Safety Injection Tank Vent Through Wall Leakage (← links)
- 05000389/LER-2024-001, Safety Injection Tank Vent Through Wall Leakage (← links)
- 05000389/LER-2022-001, Reactor Shutdown Required by Technical Specifications Due to a Misaligned Control Element Assembly (← links)
- 05000389/LER-2021-002, Foreign Material Exclusion Device Found in Containment Spray System (← links)
- 05000389/LER-2021-001, Automatic Reactor Trip Due to a Breaker Failure on the 2B2 480V Motor Control Center (← links)
- 05000389/LER-1986-013-02, :on 860915,while at Full Power,Turbine Trip Actuated Reactor Trip on Loss of Load.Caused by Failure to Place Containment Sump Recirculation Channel Back in Svc Before Mode Change.Operator Counseled (← links)
- 05000389/LER-1986-012-02, :on 860819,audit Revealed That Emergency Battery Surveillance Performed on 860613 Deficient Due to Two Individual Cell Voltages Recorded at 2.09 V Below Tech Spec Corrected Voltage.Procedure Revised (← links)
- 05000389/LER-1987-004-03, :on 870422,turbine & Reactor Trips Occurred Due to Loss of nonsafety-related Load Ctr.Caused When Maint Personnel Jumped Wrong Terminals During Ammeter Calibrs. Personnel Counseled & Wiring Problem Corrected (← links)
- 05000389/LER-1986-014-01, :on 861008,discovered Surveillance Interval for Hot Shutdown Control Panel Instrumentation Exceeded.Caused by Personnel Error.Departmental Surveillance/Testing Schedule Procedure Implemented (← links)
- 05000389/LER-1986-001, :on 860107,unit Manually Tripped Due to Turbine Cooling Water Leak in Main Generator Exciter Housing.Unit Also Tripped on Local Power Density.Caused by Wear Hole in Drain Line & Personnel Error.Drain Line Fixed (← links)
- 05000389/LER-1986-009-02, :on 860522,containment Bypass Leak Rate Exceeded Tech Spec 3.6.1.2(c) Limits.Caused by Degraded Disc in Outside Containment Isolation Valve.Disc Replaced & Bypass Leak Rate Retested Successfully (← links)
- 05000389/LER-1986-005-02, :on 860310,discovered That Time Limit for Performance of Semiannual ESF Sys Relay Surveillance Exceeded.Caused by Failure to Assign Tracking Responsibility to Any Dept.Operations Dept Assigned Tracking (← links)
- 05000389/LER-1986-010-02, :on 860604,reactor Trip Occurred Due to Low Steam Generator Water Level.Caused by Ineffective Manual Control of Steam Generator Water Levels During Low Power Operations.Control Room Operators Counseled (← links)
- 05000389/LER-1986-008-02, :on 860428,hourly Fire Watch Not Conducted for 24 H of Contractor Bargaining Unit Personnel Walkout.Caused by Cognizant Personnel Error.Procedure Re Request to Breach Fire Barrier Will Be Revised (← links)
- 05000389/LER-1986-007-02, :on 860417,while Refueling,Two of Three Pressurizer Code Safety Valves (AB) Failed to Lift When Bench Tested.Caused by Excessive Binding from Corroded Carbon Steel Components.Valves Rebuilt (← links)
- 05000389/LER-1986-002-02, :on 860111,reactor Trip Initiated by Inadvertent Manual Turbine Trip During Turbine Overspeed Testing.Caused by Operator Error.Turbine Trip Lever Painted Red to Be Distinguished from Test Lever (← links)
- 05000389/LER-1986-001-01, :on 860107,unit Manually Tripped Due to Turbine Cooling Water (Kb) Leak in Main Generator Exciter Housing. Caused by Installation Error.Leak Repaired.Operating Procedure Revised (← links)
- 05000389/LER-1986-004-02, :on 860210,discovered That Max Allowable Time Interval Exceeded for 31-day in-core Alarm Setpoint Surveillance.Caused by Personnel Error.Surveillance Performed (← links)
- 05000389/LER-1983-015-03, /03L-0:on 830527,during Preoperational Testing, Both 4,160-volt safety-related Buses 2A3 & 2B3 Deenergized. Caused by Tie Breakers Being Tripped as Operator Opened Cubicle Door & Switch Gears Cleaned (← links)
- 05000389/LER-1983-017-03, /03L-0:on 830527,during Preoperational Testing, Instrument Inverter Mb Briefly Deenergized.Caused by Operator Opening Inverter Supply Breaker by Mistake.Power to Inverter Restored (← links)
- 05000389/LER-1986-003, :on 860113,25% Allowed Time Extension for Performance of Monthly Auxiliary Feedwater Actuation Logic Surveillance Exceeded.Caused by Personnel Error.Logic Surveillance performed.W/860211 1tr (← links)
- 05000389/LER-1985-010-03, :on 851226,individual Control Element Assembly Declared Inoperable Causing Reactor Shutdown.Caused by Failure of Upper Gripper Coil.Coil Installed & Operators Counseled (← links)
- 05000389/LER-1985-007-02, :on 850718,reactor Trip Occurred at 99% Power in Mode 1 When MSIV Closed.Caused by Error in Dc Ground Isolation Procedure.Rev to Procedure & Review of safety- Related Sys Circuits & MSIV Relay Sys Underway (← links)
- 05000389/LER-1985-008-02, :on 850808,reactor Trip Occurred When MSIVs Closed by Spurious Side a ESF Actuation Signal.Caused by Personnel Error.Plant Stabilized & RCS Cooldown Commenced for Reactor Coolant Pump Seal Replacement (← links)
- 05000389/LER-1985-009-02, :on 850910,high Vibrations Occurred on Reactor Coolant Pump 2A2,causing Manual Trip.Caused by Pump Vibration Permitting Oil Slinger Ring to Break Free & Damaged Oil Seal in Oil Reservoir (← links)
- 05000389/LER-1983-012-03, /03L-0:on 830523,during Preoperational Testing, PORV Position Indicator Lights Discovered to Be Out.Caused by Failed Magnetic Slug on Valve Stem.New Magnet W/Annealed Metal Used as Replacement (← links)
- 05000389/LER-1985-003-03, :on 850417,reactor Manually Tripped.Caused by Spurious close-intercept-valve Signal Generated by Technician.Plant Stabilized in Hot Shutdown & Digital Electrohydraulic Sys Evaluated (← links)
- 05000389/LER-1985-006-02, :on 850516,two Control Element Assemblies in Subgroup 12 Dropped.Caused by Personnel Error in Pulling Wrong Circuit Card During Maint.Personnel Informed of Error & Greater Caution Will Be Exercised in Future (← links)
- 05000389/LER-1985-005-02, :on 850509,during Periodic Surveillance, Inadvertent Actuation of ESF for Containment Sump Recirculation Experienced.Caused by Faulty Switch in Channel MD Test Circuit.Switch Replaced (← links)
- 05000389/LER-1985-001-02, :on 850408,reactor Trip Occurred as Result of Low Steam Generator Level.Caused by Ineffective Communication Between Control Room Operators During Power Ascension.Ler Disseminated to Operations Staff (← links)
- 05000389/LER-1985-002-02, :on 850408,reactor Trip Occurred When Main Feedwater Block Valve 2A Opened.Caused by Personnel Error. Startup Procedure Will Be Revised to Include Visual Verification of Proper Valve Operation (← links)
- 05000389/LER-1984-016-02, :on 841219,turbine/reactor Trip Occurred on Low Vacuum Due to Condensate Pump 2B Recirculation Line Crack. Cause Not Stated.Recirculation Line,Breaker & Reactor Coolant Pressure Seals Replaced (← links)
- 05000389/LER-1984-015-02, :on 841218,reactor Trip Occurred Due to Low Steam Generator Level.Caused by Poor Suction Strainer Venting Technique (← links)
- 05000389/LER-2020-001, Turbine Loss of Load Trip Found Outside Technical Specification Allowable Range Due to Unspecified Legacy M&TE or Calibration Deficiencies (← links)
- 05000389/LER-1984-014-02, :on 841129,while at 68% Power,Esf Channel a Actuated Due to Blown Fuse.Cause of Blown Fuse Unknown.Fuse & Diode Replaced (← links)
- 05000389/LER-1984-011-03, :on 841121,reactor Tripped Due to Loss of Turbine Load & Auxiliary Feed Pump C Tripped on Overspeed. Caused by Generator Exciter Bearing Failure & Steam Leakage, Respectively.Bearing Replaced (← links)
- 05000389/LER-1984-010-03, :on 841119,inservice Insp Surveillance Requirements of Tech Spec 4.7.9 Performed & 19 Snubbers Declared Inoperable as Result.All Inoperable Snubbers Replaced or Repaired (← links)
- 05000389/LER-1984-017-02, :on 841225,while in Hot standby,2A1 SIT Outlet Check Valve Leaked,Permitting HPSI Flow to Be Diverted Into Safety Injection Tank Instead of 2AI Loop (← links)
- 05000389/LER-1984-012-02, :on 841119,manual Trip Occurred After Seizure of Condensate Pump 2C.Caused by Impeller Failure (← links)
- 05000389/LER-1984-009-03, :on 841104,during Scheduled Refueling Outage, Containment Isolation Signal Inadvertently Actuated (← links)
- 05000389/LER-1984-008-03, :on 841030,train a Control Room Emergency Ventilation Sys Did Not Meet Tech Spec Requirements.Caused by Removal of Block Devices Installed on Damper Linkage During Preoperational Testing (← links)
- 05000389/LER-1984-007-03, :on 841024,during Refueling Outage,Containment Isolation Signal Actuation Received.Caused by Improper Calibr of One Containment Radiation Monitor.Channel Calibr (← links)
- 05000389/LER-1984-006-03, :on 841014,operators Could Not Obtain Reading of Auxiliary Feedwater (AFW) Flow to Steam Generator B from AFW Pump B.Caused by Stem Separating from Plug on AFW Valve. Investigation Continuing (← links)
- 05000389/LER-1984-005-02, :on 840830,reactor Trip Occurred During Monthly Auxiliary Feedwater Actuation Signal Functional Test.Caused by Unexpected Closing of Train a Feedwater Isolation Valve Due to High Resistance Across Relay Contact (← links)