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| 05000412/LER-1999-001-01, :on 990227,failure to Comply with TSs Due to Not Meeting Acceptance Criteria for Source Range Monitor During Surveillance Testing,Was Discovered.Caused by Lack of Attention.Procedure 20ST-2.3 re-performed.With |
- on 990227,failure to Comply with TSs Due to Not Meeting Acceptance Criteria for Source Range Monitor During Surveillance Testing,Was Discovered.Caused by Lack of Attention.Procedure 20ST-2.3 re-performed.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) 10 CFR 50.73(a)(2)(1) |
| 05000412/LER-1999-002-01, :on 990305,discovered Potential Damage to Charging HHSI Pumps Due to Inadequate pre-fire Plan Procedure Guidance.Caused by Inadequate Analysis in 1987. Procedures Revised Addressing Subj Issue.With |
- on 990305,discovered Potential Damage to Charging HHSI Pumps Due to Inadequate pre-fire Plan Procedure Guidance.Caused by Inadequate Analysis in 1987. Procedures Revised Addressing Subj Issue.With
| 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2) |
| 05000334/LER-1999-002, :on 990121,4 Input Parameters Were Identified Which Underestimated DBA Dose.Caused by non-conservative Concurrent Iodine Spike Radiological Dose Calculation Methodology.Acs Have Been Implemented.With |
- on 990121,4 Input Parameters Were Identified Which Underestimated DBA Dose.Caused by non-conservative Concurrent Iodine Spike Radiological Dose Calculation Methodology.Acs Have Been Implemented.With
| 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 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) |
| 05000334/LER-1999-003, :on 990308,noted Failure to Set Esg Degraded Setpoint IAW Required,Per Ts.Caused by Misinterpretation of Symbol Contained in Degraded Voltage Ts.Revised Procedures & Submitted LAR to NRC on 990118.With |
- on 990308,noted Failure to Set Esg Degraded Setpoint IAW Required,Per Ts.Caused by Misinterpretation of Symbol Contained in Degraded Voltage Ts.Revised Procedures & Submitted LAR to NRC on 990118.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)(i)(B), Prohibited by Technical Specifications 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) |
| 05000412/LER-1999-003-01, :on 990311,containment Equipment Hatch Was Not Completely Closed During Refueling Operations.Caused by Failure to Understand Supporting Function of Chain Hoists. Revised Procedure.With |
- on 990311,containment Equipment Hatch Was Not Completely Closed During Refueling Operations.Caused by Failure to Understand Supporting Function of Chain Hoists. Revised Procedure.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 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) 10 CFR 50.73(a)(2)(1) |
| 05000412/LER-1999-004, :on 990312,inadequate Basis for Seismic Instrument Setpoints & Calibration Led to TS Noncompliance. Caused by Discrepancy in Tss.Noncompliances Were Corrected & Appropriate Procedures Were Revised.With |
- on 990312,inadequate Basis for Seismic Instrument Setpoints & Calibration Led to TS Noncompliance. Caused by Discrepancy in Tss.Noncompliances Were Corrected & Appropriate Procedures Were Revised.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)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(1) |
| 05000334/LER-1999-004-01, :on 990317,inadequate pre-fire Plan Procedure Guidance Resulted in Potential Damage to Charging/Hhsi Pumps.Caused by Inadequate Consideration of Required Operator Actions.Procedure Revised.With |
- on 990317,inadequate pre-fire Plan Procedure Guidance Resulted in Potential Damage to Charging/Hhsi Pumps.Caused by Inadequate Consideration of Required Operator Actions.Procedure Revised.With
| 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 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) |
| 05000412/LER-1999-005-01, :on 990329,4KV-2A Bus Trip on Ground Overcurrent Relay 51-VA207X,occurred.Caused by Erratic DC Supply Voltage Caused by Loose connection.4 Kv Bus 2A Meggered with 5,000 Volts Dc,Satisfactorily |
- on 990329,4KV-2A Bus Trip on Ground Overcurrent Relay 51-VA207X,occurred.Caused by Erratic DC Supply Voltage Caused by Loose connection.4 Kv Bus 2A Meggered with 5,000 Volts Dc,Satisfactorily
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 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) 10 CFR 50.73(a)(2) |
| 05000334/LER-1999-005, :on 990319,noted Inadequate Meteorological Wind Speed Instrumentation Calibr Range Which Led to Failure to Comply with Ts.Caused by Inadequate Procedures.Plant Wind Speed Sensors Were Removed & re-calibr.With |
- on 990319,noted Inadequate Meteorological Wind Speed Instrumentation Calibr Range Which Led to Failure to Comply with Ts.Caused by Inadequate Procedures.Plant Wind Speed Sensors Were Removed & re-calibr.With
| 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(1) |
| 05000412/LER-1999-006-01, :on 990716,loss of Plant 4kV Train B Emergency Bus Occurred.Caused by Detected Ground Overcurrent Condition.Three Associated Control Relays in EDG 2-2 Voltage Regulator Were Replaced.With |
- on 990716,loss of Plant 4kV Train B Emergency Bus Occurred.Caused by Detected Ground Overcurrent Condition.Three Associated Control Relays in EDG 2-2 Voltage Regulator Were Replaced.With
| 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(1) |
| 05000334/LER-1999-006, :on 990409,inadequate pre-fire Plan Procedure Guidance Resulted in Potential Damage to Edgs.Caused by Personnel Error.Implemented Appropriate Revs to Affected Procedures.With |
- on 990409,inadequate pre-fire Plan Procedure Guidance Resulted in Potential Damage to Edgs.Caused by Personnel Error.Implemented Appropriate Revs to Affected Procedures.With
| 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 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) |
| 05000412/LER-1999-007, Forwards LER 99-007-00, Forced Shutdown Due to Inoperable EDG, Per 10CFR50.73(a)(2)(i).Rept Is Delayed Due to Util Needing Addl Three Days to Address Event Issues on Reportability & Provide Addl Safety Implications Info | Forwards LER 99-007-00, Forced Shutdown Due to Inoperable EDG, Per 10CFR50.73(a)(2)(i).Rept Is Delayed Due to Util Needing Addl Three Days to Address Event Issues on Reportability & Provide Addl Safety Implications Info | 10 CFR 50.73(a)(2)(i) |
| 05000334/LER-1999-007, :on 990413,manually Initiated Reactor Trip Signal During pre-planned Shutdown of Unit While in Mode 3. Caused by Failure of Cabinet Air Conditioner.Replaced Failed Cabinet Air Conditioner.With |
- on 990413,manually Initiated Reactor Trip Signal During pre-planned Shutdown of Unit While in Mode 3. Caused by Failure of Cabinet Air Conditioner.Replaced Failed Cabinet Air Conditioner.With
| 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2) 10 CFR 50.73(e)(2)(x) 10 CFR 50.73(e)(2)(vii) 10 CFR 50.73(e)(2) |
| 05000334/LER-1999-008, :on 990423,missed IST Program Surveillance Attribute,Was Identified.Caused by Inappropriate Exclusion of Testing Two Valves in Closed Direction within Original IST Program.Ist Program Revised.With |
- on 990423,missed IST Program Surveillance Attribute,Was Identified.Caused by Inappropriate Exclusion of Testing Two Valves in Closed Direction within Original IST Program.Ist Program Revised.With
| 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(i) |
| 05000412/LER-1999-008-01, :on 990722,identified That TS SR 4.8.1.1.2.f Re Simultaneous Start Test of EDGs Not Fully Verified Due to Human Error.Ts & Safety Culture Training Has Been Conducted for Applicable Personnel.With |
- on 990722,identified That TS SR 4.8.1.1.2.f Re Simultaneous Start Test of EDGs Not Fully Verified Due to Human Error.Ts & Safety Culture Training Has Been Conducted for Applicable Personnel.With
| 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)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(1) |
| 05000334/LER-1999-009-01, :on 990429,missed Surveillance of Ccws 10 & 8 Header cross-connect Inlet Isolation Valve ICCR-42 Was Noted.Caused by Personnel Error.Involved Personnel Have Been Counseled on Scrutiny of Surveillances.With |
- on 990429,missed Surveillance of Ccws 10 & 8 Header cross-connect Inlet Isolation Valve ICCR-42 Was Noted.Caused by Personnel Error.Involved Personnel Have Been Counseled on Scrutiny of Surveillances.With
| 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(1) |
| 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised |
- on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised
| 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 50.73(a)(2)(i)(A), Completion of TS Shutdown 10 CFR 50.73(a)(2)(viii) |
| 05000334/LER-1999-010, :on 990906,reactor Manually Tripped Due to Main Unit Generator Voltage Regulator Malfunction.Logic Drawer of Voltage Regulator for Main Unit Generator Was Replaced with Spare.With |
- on 990906,reactor Manually Tripped Due to Main Unit Generator Voltage Regulator Malfunction.Logic Drawer of Voltage Regulator for Main Unit Generator Was Replaced with Spare.With
| 10 CFR 50.73(a)(2)(iv), System Actuation |
| 05000334/LER-1999-011, :on 990909,inadequate Axial Flux Difference Monitor Alarm Surveillance Was Noted.Caused by Lack of Info in Operations Surveillance Test Procedures 1OST-5A.1 & 2OST-5A.1.Revised Procedures.With |
- on 990909,inadequate Axial Flux Difference Monitor Alarm Surveillance Was Noted.Caused by Lack of Info in Operations Surveillance Test Procedures 1OST-5A.1 & 2OST-5A.1.Revised Procedures.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)(B), Prohibited by Technical Specifications 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 |
| 05000334/LER-1999-012, :on 990915,inoperability of Loop 1 Over Temperature Delta Temperature Function,Was Discovered.Caused by Personnel Error.Discussed with I&C Technicians.With |
- on 990915,inoperability of Loop 1 Over Temperature Delta Temperature Function,Was Discovered.Caused by Personnel Error.Discussed with I&C Technicians.With
| 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(1) 10 CFR 50.73(a)(3)(1) |