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| 05000364/LER-1998-001-01, :on 980328,manual Reactor Trip Was Noted.Caused by Dropped Control Rod K-2 & F-10.Affected Cable & Connectors Were Replaced During Unit 2 Twelfth Refueling Outage & Tested During Startup |
- on 980328,manual Reactor Trip Was Noted.Caused by Dropped Control Rod K-2 & F-10.Affected Cable & Connectors Were Replaced During Unit 2 Twelfth Refueling Outage & Tested During Startup
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| 05000364/LER-1998-001-05, :on 980328,manual Reactor Trip Due to Dropped Control Rod K-2,was Determined.Caused by Overcurrent Condition.Crdm Cable & Connectors Associated W/Rod K-2 Will Be Replaced & Rod Will Be Tested During Startup Testing |
- on 980328,manual Reactor Trip Due to Dropped Control Rod K-2,was Determined.Caused by Overcurrent Condition.Crdm Cable & Connectors Associated W/Rod K-2 Will Be Replaced & Rod Will Be Tested During Startup Testing
| 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition |
| 05000364/LER-1998-001, Forwards LER 98-001-00 Re Manual Reactor Trip Due to Dropped Control Rod K-2.Two NRC Commitments Contained in Corrective Action Section of LER | Forwards LER 98-001-00 Re Manual Reactor Trip Due to Dropped Control Rod K-2.Two NRC Commitments Contained in Corrective Action Section of LER | |
| 05000348/LER-1998-001-02, :on 980217,inadequately Performed Surveillance Occurred Due to Improper Calculation of E-Bar.E-Bar & 100/E-Bar Values Were Recalculated Using Corrected Average Beta Energies for Each Unit |
- on 980217,inadequately Performed Surveillance Occurred Due to Improper Calculation of E-Bar.E-Bar & 100/E-Bar Values Were Recalculated Using Corrected Average Beta Energies for Each Unit
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| 05000364/LER-1998-002-04, :on 980405,discovered Turbine Auto Stop Trip (AST) Oil Pressure Switch Sepoints Out of TS Limits.Caused by Vibration Induced Wear.Will Replace Existing AST Switches W/More Rugged Type Pressure Switch Less Susceptible to Wear |
- on 980405,discovered Turbine Auto Stop Trip (AST) Oil Pressure Switch Sepoints Out of TS Limits.Caused by Vibration Induced Wear.Will Replace Existing AST Switches W/More Rugged Type Pressure Switch Less Susceptible to Wear
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| 05000364/LER-1998-002, Forwards LER 98-002-00 Re Discovery of Turbine Auto Stop Oil Pressure Switch Setpoints Being Out of TS Limits.Commitments Made by Util,Discussed | Forwards LER 98-002-00 Re Discovery of Turbine Auto Stop Oil Pressure Switch Setpoints Being Out of TS Limits.Commitments Made by Util,Discussed | |
| 05000348/LER-1998-002-05, :on 980816,SG Tube Leakage Investigation,Repair & Evaluation,Occurred.Caused by ODSCC in Two Locations on Same Tube.Operational Leak Rate Limit Requiring Plant Shutdown Has Been Administratively Reduced |
- on 980816,SG Tube Leakage Investigation,Repair & Evaluation,Occurred.Caused by ODSCC in Two Locations on Same Tube.Operational Leak Rate Limit Requiring Plant Shutdown Has Been Administratively Reduced
| 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2) |
| 05000348/LER-1998-002, Forwards LER 98-002-00 Re SG Tube Leakage Investigation Repair & Evaluation.Commitments Contained in Corrective Action Section of Event Rept,Listed | Forwards LER 98-002-00 Re SG Tube Leakage Investigation Repair & Evaluation.Commitments Contained in Corrective Action Section of Event Rept,Listed | |
| 05000348/LER-1998-003, :on 970315,failure to Comply W/Ts 4.5.3.2 & 3.5.2,was Determined.Caused by Personnel Error.Personnel Involved Have Been Coached Re Procedure Adherence |
- on 970315,failure to Comply W/Ts 4.5.3.2 & 3.5.2,was Determined.Caused by Personnel Error.Personnel Involved Have Been Coached Re Procedure Adherence
| 10 CFR 50.73(a)(2)(i) |
| 05000364/LER-1998-003-01, :on 980411,SG Tube Degradation & Tube Status Were Noted During Insp.Caused by Tube Defects.Tubes Were Repaired & Plugged |
- on 980411,SG Tube Degradation & Tube Status Were Noted During Insp.Caused by Tube Defects.Tubes Were Repaired & Plugged
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| 05000348/LER-1998-003-04, :on 980816,determined That Wgdt Hydrogen & Oxygen Had Exceeded Concentration Limits,Per TS 3.11.2.5. Caused by Undetected Leak.Leak Was Identified & Isolated & Waste Gas Sys Was Returned to Svc on 980818.With |
- on 980816,determined That Wgdt Hydrogen & Oxygen Had Exceeded Concentration Limits,Per TS 3.11.2.5. Caused by Undetected Leak.Leak Was Identified & Isolated & Waste Gas Sys Was Returned to Svc on 980818.With
| 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2) |
| 05000364/LER-1998-004-01, :on 980420,failure to Perform Penetration Room Filtration Sys SR Was Noted.Caused by Personnel Error.Note Has Been Corrected & Initial Review of Surveillance Schedules Have Been Performed |
- on 980420,failure to Perform Penetration Room Filtration Sys SR Was Noted.Caused by Personnel Error.Note Has Been Corrected & Initial Review of Surveillance Schedules Have Been Performed
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| 05000364/LER-1998-004, Forwards LER 98-004-00,IAW 10CFR50.73(a)(2)(i).Commitments Made within Ltr,Listed | Forwards LER 98-004-00,IAW 10CFR50.73(a)(2)(i).Commitments Made within Ltr,Listed | 10 CFR 50.73(a)(2)(i) |
| 05000348/LER-1998-004-03, :on 980909,turbine Trip & Consequent Reactor Trip Occurred.Caused by Reactor Protection Sys Card Failure. Failed Card Was Replaced & Unit 1 Returned to Power on 980910.With |
- on 980909,turbine Trip & Consequent Reactor Trip Occurred.Caused by Reactor Protection Sys Card Failure. Failed Card Was Replaced & Unit 1 Returned to Power on 980910.With
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) |
| 05000364/LER-1998-005, :on 980516,noted That TS 3.0.4 Had Not Been Met During Mode Change Due to Turbine Driven Auxiliary Feedwater Pump Being Inoperable.Caused by Personnel Error.Opened Isolation Valve to Restore Tdafwp Flow Path to 2C SG |
- on 980516,noted That TS 3.0.4 Had Not Been Met During Mode Change Due to Turbine Driven Auxiliary Feedwater Pump Being Inoperable.Caused by Personnel Error.Opened Isolation Valve to Restore Tdafwp Flow Path to 2C SG
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| 05000348/LER-1998-005, :on 980315,failure to Perform Nuclear Instrumentation Surveillance Requirements Prior to Mode 2 & 3 Entry,Was Discovered.Caused by Personnel Error.Revised Applicable Procedures |
- on 980315,failure to Perform Nuclear Instrumentation Surveillance Requirements Prior to Mode 2 & 3 Entry,Was Discovered.Caused by Personnel Error.Revised Applicable Procedures
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2) 10 CFR 50.73(s)(2) |
| 05000348/LER-1998-005-03, :on 981021,automatic Start of B Train Penetration Room Filtration Occurred Due to Filling Sf Tc. Caused by Inadequate Procedure.Changed Procedure to Provide Specific Guidance for Filling SFP Tc.With |
- on 981021,automatic Start of B Train Penetration Room Filtration Occurred Due to Filling Sf Tc. Caused by Inadequate Procedure.Changed Procedure to Provide Specific Guidance for Filling SFP Tc.With
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| 05000348/LER-1998-006-03, :on 981124,PRF Sys Suction Damper Was Outside Design & Licensing Basis.Caused by 1976 Personnel Failure to Identify Noted Inconsistency.Scheduled Design Change in 1999 to Modify Dampers to Ensure Licensing Basis Are Met |
- on 981124,PRF Sys Suction Damper Was Outside Design & Licensing Basis.Caused by 1976 Personnel Failure to Identify Noted Inconsistency.Scheduled Design Change in 1999 to Modify Dampers to Ensure Licensing Basis Are Met
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| 05000348/LER-1998-006, Forwards LER 98-006-00,re PRF Sys Suction Damper Outside Design & Licensing Basis.First Paragraph in Corrective Action Section Contains NRC Commitments Associated with LER | Forwards LER 98-006-00,re PRF Sys Suction Damper Outside Design & Licensing Basis.First Paragraph in Corrective Action Section Contains NRC Commitments Associated with LER | |
| 05000364/LER-1998-006, :on 980515,containment Penetration Overcurrent Protective Device Energized.Caused by Inadequate Procedure. Motor Space Heater Breaker 2C RCP Was Promptly Opened to Restore Compliance W/Ts |
- on 980515,containment Penetration Overcurrent Protective Device Energized.Caused by Inadequate Procedure. Motor Space Heater Breaker 2C RCP Was Promptly Opened to Restore Compliance W/Ts
| 10 CFR 50.73(a)(2)(i) |
| 05000364/LER-1998-007-01, :on 981116,ESF Actuation Occurred During DG 1000 Kw Load Rejection Test.Caused by Poor Jumper Electrical Connection.Improved Jumpers Will Be Used on Appropriate Terminals in Load Rejection Test Procedures.With |
- on 981116,ESF Actuation Occurred During DG 1000 Kw Load Rejection Test.Caused by Poor Jumper Electrical Connection.Improved Jumpers Will Be Used on Appropriate Terminals in Load Rejection Test Procedures.With
| 10 CFR 50.73(a)(2)(iv), System Actuation |
| 05000348/LER-1998-007-02, :on 981106,found Several TSP Circumferential Indications & Several TSP Axial Indications Extending Just Beyond Edge of Tsp.Caused by Tube Defects.Sg Tubes Have Been Plugged or Repaired as Required |
- on 981106,found Several TSP Circumferential Indications & Several TSP Axial Indications Extending Just Beyond Edge of Tsp.Caused by Tube Defects.Sg Tubes Have Been Plugged or Repaired as Required
| 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition |
| 05000348/LER-1998-008-01, :on 981223,reactor Vessel Support Concrete Design Bases Temperature Exceeded Due to Closed Cooling Damper.Caused by Personnel Error.Damper Opened & Secured in Position.With |
- on 981223,reactor Vessel Support Concrete Design Bases Temperature Exceeded Due to Closed Cooling Damper.Caused by Personnel Error.Damper Opened & Secured in Position.With
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