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| 05000414/LER-1997-001, :on 970103,maint Found Nitrogen Supply Isolation Valves for Power Operated Relief Valve (PORV) 2SV-1 Closed.Caused by Poor Work Practices.Nitrogen Isolation Valves for 2SV-1 & 2SV-13 Opened |
- on 970103,maint Found Nitrogen Supply Isolation Valves for Power Operated Relief Valve (PORV) 2SV-1 Closed.Caused by Poor Work Practices.Nitrogen Isolation Valves for 2SV-1 & 2SV-13 Opened
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| 05000413/LER-1997-001-02, :on 970210,unanalyzed Postulated Single Failure Affected SG Tube Rupture Analysis.Caused by Less than Adequate Single Failure Analysis of SG Porv.Proposed Amend to TS 3/4.7.1.6 & UFSAR Has Been Submitted |
- on 970210,unanalyzed Postulated Single Failure Affected SG Tube Rupture Analysis.Caused by Less than Adequate Single Failure Analysis of SG Porv.Proposed Amend to TS 3/4.7.1.6 & UFSAR Has Been Submitted
| 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000414/LER-1997-002, :on 970107,new Incore Fission Detector Was Installed in Unit 2 Reactor & 43 Days Had Elapsed Since Last Survey.Caused by Inadequate Procedural Guidance.Procedure Revised |
- on 970107,new Incore Fission Detector Was Installed in Unit 2 Reactor & 43 Days Had Elapsed Since Last Survey.Caused by Inadequate Procedural Guidance.Procedure Revised
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| 05000414/LER-1997-002-02, Has Been Cancelled | Has Been Cancelled | |
| 05000413/LER-1997-002-04, :on 970403,determined That Feedwater Containment Isolation Valve Was Inoperable.Caused by Inadequate Info.Nitrogen Pressure Was Restored & Oac Alarm Response Has Been Revised |
- on 970403,determined That Feedwater Containment Isolation Valve Was Inoperable.Caused by Inadequate Info.Nitrogen Pressure Was Restored & Oac Alarm Response Has Been Revised
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000414/LER-1997-003-01, :on 970217,component Cooling Sys Unavailability Was Caused by Failure of Breaker Charging Springs Motor Coils When Breaker Was Closed on 970125.Failed Breaker Was Replaced W/Refurbished Spare Breaker |
- on 970217,component Cooling Sys Unavailability Was Caused by Failure of Breaker Charging Springs Motor Coils When Breaker Was Closed on 970125.Failed Breaker Was Replaced W/Refurbished Spare Breaker
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2) |
| 05000413/LER-1997-003-04, :on 970515,AFW Sys Was Found Outside of Design Basis.Caused by Unanticipated Interaction of Systems or Components.Cacst Was Isolated Pending Further Evaluation on 970515 |
- on 970515,AFW Sys Was Found Outside of Design Basis.Caused by Unanticipated Interaction of Systems or Components.Cacst Was Isolated Pending Further Evaluation on 970515
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2) 10 CFR 50.73(a)(2)(1) |
| 05000413/LER-1997-004-02, :on 970514,inadequate Surveillance Determined. Caused by Interpretation of Conflicting TS Requirements. Station Procedures Revised to Ensure TS Surveillance 4.5.3.2 Is Met |
- on 970514,inadequate Surveillance Determined. Caused by Interpretation of Conflicting TS Requirements. Station Procedures Revised to Ensure TS Surveillance 4.5.3.2 Is Met
| 10 CFR 50.73(a)(2) 10 CFR 50.73(a)(2)(1) |
| 05000414/LER-1997-004-03, :on 970424,inadequate Test of Containment Isolation Valve Identified.Caused by Inadequate Work Practices.Personnel Involved Counseled Re Improved Performance |
- on 970424,inadequate Test of Containment Isolation Valve Identified.Caused by Inadequate Work Practices.Personnel Involved Counseled Re Improved Performance
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| 05000414/LER-1997-005-02, :on 970626,automatic Reactor Trip Occurred While in Mode 1.Caused by Equipment Failure of Cutler-Hammer E30JY5 Close/Trip Push Button Switch.Maint & Engineering Found & Replaced Defective Switch |
- on 970626,automatic Reactor Trip Occurred While in Mode 1.Caused by Equipment Failure of Cutler-Hammer E30JY5 Close/Trip Push Button Switch.Maint & Engineering Found & Replaced Defective Switch
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2) 10 CFR 50.73(a)(2)(viii)(A) |
| 05000413/LER-1997-005-01, :on 970623,violation of TS 4.0.5 Was Determined.Caused by Inadequate Surveillance Procedure. Affected Check Valves Were Successfully Tested for Reverse Flow Prevention |
- on 970623,violation of TS 4.0.5 Was Determined.Caused by Inadequate Surveillance Procedure. Affected Check Valves Were Successfully Tested for Reverse Flow Prevention
| 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) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) 10 CFR 50.73(a)(2)(1) |
| 05000413/LER-1997-006-03, :on 970804,discovered Missed TS Surveillance on P-11 P-13 Permissive Interlocks.Caused by Inadequate Procedures.Tested Subject Interlocks Successfully & Revised Analog Channel Operational Test Procedures |
- on 970804,discovered Missed TS Surveillance on P-11 P-13 Permissive Interlocks.Caused by Inadequate Procedures.Tested Subject Interlocks Successfully & Revised Analog Channel Operational Test Procedures
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| 05000414/LER-1997-006-02, :on 970726,manual Reactor Trips Occurred Due to Closure of MSIV 2SM-1.Caused by Failure of Digital Optical Isolator (Doi) within Control Circuitry of MSIV 2SM-1. Replaced Failed Dois & Improved Doi Testing |
- on 970726,manual Reactor Trips Occurred Due to Closure of MSIV 2SM-1.Caused by Failure of Digital Optical Isolator (Doi) within Control Circuitry of MSIV 2SM-1. Replaced Failed Dois & Improved Doi Testing
| 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2) |
| 05000413/LER-1997-007-03, :on 971023,TS 3.2.5 Was Inadequate for Reduced Flow Operation.Caused by Deficiency of Analysis.Ts Interpretation Was Issued That Prohibited Reduced Power Operation by TS Figure 3.2-1 |
- on 971023,TS 3.2.5 Was Inadequate for Reduced Flow Operation.Caused by Deficiency of Analysis.Ts Interpretation Was Issued That Prohibited Reduced Power Operation by TS Figure 3.2-1
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| 05000413/LER-1997-008-02, :on 971111,inadequate Solid State Protection Sys Surveillance Testing Occurred.Caused by Inadequate Test Design Supplied by Vendor.Surveillance Procedures for Solid State Protection Sys on Unit Revised |
- on 971111,inadequate Solid State Protection Sys Surveillance Testing Occurred.Caused by Inadequate Test Design Supplied by Vendor.Surveillance Procedures for Solid State Protection Sys on Unit Revised
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| 05000413/LER-1997-008, Forwards LER 97-008-00 Re Inadequate Solid State Protection Sys Surveillance Testing.Event Considered to Be No Significance W/Respect to Health & Safety of Public | Forwards LER 97-008-00 Re Inadequate Solid State Protection Sys Surveillance Testing.Event Considered to Be No Significance W/Respect to Health & Safety of Public | |
| 05000413/LER-1997-009-01, Forwards LER 97-009-01 Re Unanalyzed Postulated Single Failure Affecting SG Tube Rupture Analysis.Event Considered to Be of No Significance W/Respect to Health & Safety of Public | Forwards LER 97-009-01 Re Unanalyzed Postulated Single Failure Affecting SG Tube Rupture Analysis.Event Considered to Be of No Significance W/Respect to Health & Safety of Public | |
| 05000413/LER-1997-010-02, :on 971229,reactor Trip Breakers Opened Due to Uncertainty of Rod Position.Caused by Failure of Detector/ Encoder Card in Data a Cabinet of Drpi Sys.Replaced Failed Detector/Encoder Card W/New Card |
- on 971229,reactor Trip Breakers Opened Due to Uncertainty of Rod Position.Caused by Failure of Detector/ Encoder Card in Data a Cabinet of Drpi Sys.Replaced Failed Detector/Encoder Card W/New Card
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| 05000413/LER-1997-011, Forwards LER 97-011-00 Re ESF Actuation Due to RCS Leakage from Loop Drain Valves.Event Considered to Be of No Significance W/Respect to Health & Safety of Public | Forwards LER 97-011-00 Re ESF Actuation Due to RCS Leakage from Loop Drain Valves.Event Considered to Be of No Significance W/Respect to Health & Safety of Public | |
| 05000413/LER-1997-011-02, :on 971230,operators Indentified RCS Leak. Caused by Leakage Through Two Drain Valves,Tightly Closed. Leaking Valves Located & Closed |
- on 971230,operators Indentified RCS Leak. Caused by Leakage Through Two Drain Valves,Tightly Closed. Leaking Valves Located & Closed
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| 05000413/LER-1997-012, :on 971231,determined That TS 3.3.2 Violated in Past History of Plant Due to Method of Performing Incore Thermocouple & RTD Cross Calibrs.Caused by Inadequate Process for Identifying Commitments.Instructions Provided |
- on 971231,determined That TS 3.3.2 Violated in Past History of Plant Due to Method of Performing Incore Thermocouple & RTD Cross Calibrs.Caused by Inadequate Process for Identifying Commitments.Instructions Provided
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