Pages that link to "05000457/LER-1996-001"
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The following pages link to 05000457/LER-1996-001:
Displaying 50 items.
- 05000457/LER-2001-002 (← links)
- 05000457/LER-2001-001 (← links)
- 05000457/LER-1998-003, Forwards LER 98-003-00 Re Unit 2 Reactor Trip.Actions & Associated Action Tracking Number That Braidwood Station Is Committed to Implement in Response to LER Described Below (← links)
- 05000457/LER-1997-004, Forwards LER 97-004-00 from Braidwood Generating Station IAW Requirement of 10CFR50.73(a)(2)(iv),which Requires 30-day Rept.Ler Was Originally Transmitted W/Error in Reportability Requirements of Cover Ltr Only (← links)
- 05000457/LER-1999-002, Forwards LER 99-002-00,IAW 10CFR50.73(a)(2)(iv).Commitments Made by Util Are Listed (← links)
- 05000457/LER-2023-001, Train B Auxiliary Feedwater Pump Was Inoperable Due to Degraded Oil in the Crank Case (← links)
- 05000457/LER-1997-005-01, :on 971106,violation of TS Due to SI Rvs Lifting & Failing to Reseat.Caused by Sys Design Deficiency. Revised Procedures & Evaluated Setpoint Tolerance (← links)
- 05000457/LER-1998-003-05, :on 980508,failure to Identify ESF Battery Inoperability Resulted in Missed LCO Action Requirement. Caused by Personnel Error & Inadequate Procedure.Revised Procedure & Counseled Individuals Involved (← links)
- 05000457/LER-1989-001-09, :on 890223,loss of RHR 2B Loop Occurred as Result of Procedural Deficiency.Caused by Failure to Identify That Placing Ssps in Test Would Not Block auto- Closure of Pump Valves.Procedure Revised (← links)
- 05000457/LER-1989-003-01, :on 890322,centrifugal Charging Pump 2B Manual mini-flow Isolation Valve Mispositioned.On 890601, Recirculation Flow Read Zero.Caused by Personnel Error. Locked Equipment Program Will Be Revised (← links)
- 05000457/LER-1988-024, :on 880921,turbine Trip Occurred When Steam Generator 2C Experienced High Level Oscillation.Caused by Design Deficiency in man-machine Interface.Engineering Evaluation Will Be Performed (← links)
- 05000457/LER-1989-002-10, :on 890511,unit 345 Kv Bus 11 Received Trip Signal from Transmission Substation 177,resulting in Reactor Trip.Caused by Defective Trip Coil.Phase a Trip Coil Repaired & Relay Time Delays Increased (← links)
- 05000457/LER-1988-029-02, :on 881025,reactor Manually Tripped When Alarm Received at Main Control Panel for High Suction Strainer Differential Pressure for Condensate Pumps 2A & 2C.Caused by Plugged Suction Strainers.Condenser Cleaned (← links)
- 05000457/LER-1989-003-10, :on 890322,discovered Mispositioning of Centrifugal Charging Pump 2B Manual Mini Flow Isolation Valve.Caused by Personnel Error.Valve Immediately Opened. Independent Verification Program to Be Revised (← links)
- 05000457/LER-1988-011-01, Withdraws LER 88-011-01 Re Reactor Shutdown as Result of Valve 2SI89089B Declared Inoperable Due to non-environ Qualified Motor.Addl Info Submitted Proved Motor Was Environ Qualified to Required Stds & No Shutdown Required (← links)
- 05000457/LER-1988-025, :on 880926,verified That Monthly Target Axial Flux Difference Surveillance Not Performed.Caused by Personnel Error.Calculated New Target Values for Delta 1, Updated Curve Book & Processed Computer (← links)
- 05000457/LER-1997-005-04, :on 971106,relief Valve 2SI8851 Lifted & Failed to Reseat W/Indications of Bellows Failure When SI Pump Started.Caused by Limited Margin Between Pump Start Pressure Transient & Lift Setpoint of Valves.Replaced Failed Valves (← links)
- 05000457/LER-1998-002-02, :on 980203,BDPS Was Bypassed for Extended Period of Time.Caused by Personnel Error.Revised Procedure (← links)
- 05000457/LER-1997-002-08, :on 970927,reactor Trip Breakers Were Manually Opened Due to Decoder & Encoder Control Card Failure. Replaced Defective Card & re-performed Surveillance Prior to Unit Startup (← links)
- 05000457/LER-1997-001-13, :on 970916,identified That Scaffolding Had Potentially Blocked Weighted Lever Arm on Extraction Steam non-return Check Valve 2ES015C.Caused by Improper Assumptions.Maint Adjusted Scaffold (← links)
- 05000457/LER-1988-022, :on 880919,reactor Trip Occurred Due to Source Range Channel N31 Exceeding Setpoint of 1.0xE5 Counts Per Second.Caused by Loose Connection in Main Control Room Panel 2PM05J.Investigation Conducted (← links)
- 05000457/LER-1988-021, :on 880915,high Level Alarm Occurred on Steam Generator 2C.Caused by Out of Calibr Positioner for Feedwater Regulating Bypass Valve 2FW530A.Water Level Restored & Work Request Issued (← links)
- 05000457/LER-1999-002-02, :on 990424,ESFA Was Noted.Caused by High Water Level in 2C Sg.Sg Blowdown Sys Was Placed in Operation & SG Water Level Was Returned to Normal Operating Range (← links)
- 05000457/LER-1988-016-03, :on 880624,facility Reactor Trip Occurred on 2B Steam Generator low-low Level Due to Failue of Heater Drain Tank Makeup Valve.Valve Repaired & No Significant Abnormalities Found (← links)
- 05000457/LER-1999-001-03, :on 990414,reactor Tripped Due to Main Generator & Turbine Trip.Caused by Spurious Generator Stator Ground relay,GIX-104 Relay,Actuation.Voltage Regulator Parts Replacement Program Was Developed.With (← links)
- 05000457/LER-1988-029, :on 881025,manual Reactor Trip & RCS Inventory Balance in Excess of Required Time Interval Occurred.Caused by Condensate Pump Suction Strainers Plugging.Main Condenser Thoroughly Inspected & Cleaned (← links)
- 05000457/LER-1988-026, :on 880923,when Second Phase of Data Collection Attached,Turbine & Reactor Trip Occurred.Caused by New Type of Configuration & Lack of Proper Communications Between Personnel.Test Equipment Removed (← links)
- 05000457/LER-1988-025-01, :on 880926,monthly Target Axial Flux Difference Surveillance Not Performed,Resulting in Exceedance of Tech Spec Limit.Caused by Cognitive Personnel Error.New Target Values for Delta I Calculated (← links)
- 05000457/LER-1988-023-01, :on 880919,Trains 2A & 2B Declared Inoperable. Caused by Inadequate Venting Due to Surveillance Data Sheets Not Providing Complete Guidance & Inadequate Review of Surveillance.Procedures Changed (← links)
- 05000457/LER-1998-001-03, :on 980126,unit 2 Reactor Tripped as Result of 2A SG Low Low Level.Caused by Misconfigured Electronic Circuit Card in Unit 2 Turbine Digital electro-hydraulic Control Sys.Operations Stabilized (← links)
- 05000457/LER-1997-005-08, :on 971106,relief Valve 2SI8851 Lifted & Failed to Reseat.Caused by Limited Margin Between Pump Start Pressure Transient & Valve Lift Setpoints.Replaced Failed Relief Valves W/New Valves & Performed Testing (← links)
- 05000457/LER-1997-003-09, :on 971017,incorrect Setpoints Were Entered Into 2AR012J Rm.Caused by Combination of Programmatic Deficiencies in Controlling Procedures Personnel Error. Containment Release G-97-313,secured (← links)
- 05000457/LER-1997-004-09, :on 971014,containment Fuel Handling Incident Radiation Monitor 2AR11J Alarm Setpoints Were Set Incorrectly.Caused by Personnel Error.Verified Proper Response of Equipment (← links)
- 05000457/LER-1997-001-12, :on 970916,identified That Scaffolding Had Potentially Blocked Weighted Lever Arm on Extraction Steam non-return Check Valve 2ES015C.Caused by Result of Ack Deficiencies.Maint Adjusted Scaffold (← links)
- 05000457/LER-1988-009-05, :on 880530,manual Reactor Trip Due to Inoperable Rod Control Sys.Caused by Failure of Miscellaneous Electric Room (Mer) Ventilation Fan.Temporary Cooling Fans Installed in Mer (← links)
- 05000457/LER-1988-003-02, :on 880131,inadvertent Loss of Power to Instrument Bus 212 Resulting in a Reactor Trip.Caused by Personnel Error.Bus Reenergized,Painters Told to Discontinue Work on Inverter Cabinet & Fuse Replaced (← links)
- 05000457/LER-1988-004-01, :on 880129,emergency Diesel Generator auto-started Due to Undervoltage Signal Generated by Inadvertent Removal of Bus 241 Potential Fuses by Operator. Caused by Operator Error.Operator Counseled (← links)
- 05000457/LER-1988-030, :on 881030,steam Generator Water Level Reached hi-hi Level Due to Overfeeding.Caused by Nuclear Station Operator Lack of Experience.Steam Generator Water Levels Restored to Normal Band (← links)
- 05000457/LER-1988-031, :on 881105,reactor Trip Due to Negative Rate Trip on All Instrumentation Sys Power Range Channels Occurred.Caused by Incorrect Relay 1H Setting Due to Conflicting Info in Technical Manual (← links)
- 05000457/LER-1999-003-03, :on 990519,spurious Spiking of Indication on Intermediate Range Neutron Flux Channel N36 Resulted in Unit 2 Reactor Trip.Cause Unknown.Personnel Stabilized Reactor in Shutdown Condition Using Appropriate Emergency Procedures (← links)
- 05000457/LER-1988-024-02, :on 880921,steam Generator hi-hi Level Due to Incorrect Operation of High Pressure Cleanup Loop Occurred. Caused by Design Deficiency in man-machine Interface. Engineering Evaluation Will Be Performed (← links)
- 05000457/LER-1988-008, :on 880220,inadequate Capacitor Connection Resulted in Degraded Instrument Bus Voltage & Reactor Trip. Caused by Preservice Installation Error of Capacitor by Vendor.Capacitor & Connecting Leads Replaced (← links)
- 05000457/LER-1988-020-01, :on 880904,manual Reactor Trip Occurred Due to lo-lo Steam Generator Levels.Caused by Failure of Emergency Drain Valve.Steam Generator Levels Recovered & Stable Conditions Established (← links)
- 05000457/LER-1988-014, :on 880622,reactor Trip Occurred as Result of lo-lo Level on Steam Generator 2B.Caused by Low Static Spring Preload,Dirt & Grease Partially Blocking Valve Action.Steam Generator Water Level Restored (← links)
- 05000457/LER-1988-012, :on 880620,shorting Switch on Relay Casing Intentionally Opened as Part of Reading on Phase B Overcurrent Protective Relay Resulted in Voltage Spike. Caused by Defective Test Switch (← links)
- 05000457/LER-1988-019-02, :on 880724,reactor Manually Tripped Due to Decreasing Steam Generator Levels.Caused by Mispositioning of Instrument Air Isolation Valve in 90% Closed Position. Stated Valves Stroked & Heaters Checked (← links)
- 05000457/LER-1988-005-04, :on 880321,component Cooling Water Surge Tank Level Instrumentation Discrepancies Discovered.Caused by Design Organization Error.Mods Initiated to Address Level Switches,Level Indication Cables & Labeling (← links)
- 05000457/LER-1988-018-01, :on 880702,reactor Tripped While Conducting Startup Test Bwsu NR-75A.Caused by Failure of Pressurizer Pressure Bistable 457C.Work Request A23995 Written & Failed Card Replaced by Instrument Maint Dept (← links)
- 05000457/LER-1988-015-02, :on 880626,feedwater (FW) Isolation & Turbine Driven FW Pump Trip Occurred.Caused by Sensitivity of Westinghouse Steam Generator D-5.FW Isolation Reset & FW Pump Restarted (← links)
- 05000457/LER-1988-017-01, :on 880629,Surveillance 2BwOS 4.6.2.1.D-1 Invalid.Caused by Calculational Error.Event Reviewed W/ Personnel Involved.Attention to Detail Stressed (← links)