| | | Reporting criterion |
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| 05000397/LER-1993-001, :on 930213,determined That Both Trains of SPC of RHR System Were Inoperable Due to LOP Coincident W/Lpci Safety Function.Reviews & Safety Evaluations Has Been Enhanced |
- on 930213,determined That Both Trains of SPC of RHR System Were Inoperable Due to LOP Coincident W/Lpci Safety Function.Reviews & Safety Evaluations Has Been Enhanced
| 10 CFR 50.73(a)(2)(v)(B), Loss of Safety Function - Remove Residual Heat 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)(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)(B) |
| 05000397/LER-1993-001-01, :on 930310,determined That Previously Performed Surveillance Testing Had Not Been Fully Adequate to Demonstrate Operability of Hoists.Caused by Error by Nonlicensed Util Personnel.Calibration Revised |
- on 930310,determined That Previously Performed Surveillance Testing Had Not Been Fully Adequate to Demonstrate Operability of Hoists.Caused by Error by Nonlicensed Util Personnel.Calibration 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)(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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-002, :on 930121,low RPV Level Reactor Scram Initiated by RPS in Response to Low Water Level Condition. Caused by Inadvertent Actuation of Deluge Sys.Plant Procedure PPM 8.3.120 Will Be Revised |
- on 930121,low RPV Level Reactor Scram Initiated by RPS in Response to Low Water Level Condition. Caused by Inadvertent Actuation of Deluge Sys.Plant Procedure PPM 8.3.120 Will Be Revised
| 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)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-003, :on 930121,determined That Under Certain Ac Electrical Distribution Sys Alignments,Fault Could Result in Unavailability of Both Offsite Power Sources.Caused by Inadequate Sys Analysis.Delay Times Revised |
- on 930121,determined That Under Certain Ac Electrical Distribution Sys Alignments,Fault Could Result in Unavailability of Both Offsite Power Sources.Caused by Inadequate Sys Analysis.Delay Times 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 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-004, :on 930127,determined That Two Inadequately Installed Fuses Could Have Caused Loss of RHR Capability During Seismic Event.Caused by Improper Installation of Fuses.Fuse Deficiencies Will Be Evaluated |
- on 930127,determined That Two Inadequately Installed Fuses Could Have Caused Loss of RHR Capability During Seismic Event.Caused by Improper Installation of Fuses.Fuse Deficiencies Will Be Evaluated
| 10 CFR 50.73(a)(2)(v)(A), Loss of Safety Function - Shutdown the Reactor 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)(B) |
| 05000397/LER-1993-005, :on 930202,inadequate Documentation & Review of Operability Status Results in Unavailability of Wetwell Purge Exhaust Valve.Caused by Technical Inadequacies.Wetwell Valves Adjusted & Returned to Operable Status |
- on 930202,inadequate Documentation & Review of Operability Status Results in Unavailability of Wetwell Purge Exhaust Valve.Caused by Technical Inadequacies.Wetwell Valves Adjusted & Returned to Operable Status
| 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)(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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-006, :on 930206,manual Reactor Scram Initiated Due to Reactor Recirculation Pump Trip While Operating in Area of Increased Awareness.Caused by Component Design Not within Parameter Limits.Procedures Changed |
- on 930206,manual Reactor Scram Initiated Due to Reactor Recirculation Pump Trip While Operating in Area of Increased Awareness.Caused by Component Design Not within Parameter Limits.Procedures Changed
| 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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-007, :on 930210,low RPV Level Reactor Scram Initiated by RPS in Response to Actual Low Water Level Condition.Caused by Connector Pin Corrosion.Suppression Pool Level Lowered |
- on 930210,low RPV Level Reactor Scram Initiated by RPS in Response to Actual Low Water Level Condition.Caused by Connector Pin Corrosion.Suppression Pool Level Lowered
| 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2) 10 CFR 50.73(a)(2)(1) |
| 05000397/LER-1993-008, :on 930211,determined That Logic Sys Functional Test Requirements for Emergency Bus Undervoltage Logic Not Fully Implemented.Caused by Inadequate Procedures.New Procedures Developed |
- on 930211,determined That Logic Sys Functional Test Requirements for Emergency Bus Undervoltage Logic Not Fully Implemented.Caused by Inadequate Procedures.New Procedures Developed
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition |
| 05000397/LER-1993-009, :on 930217,existence of Noncondensible Gases in Reference Leg of RPV Instrumentation Due to Design Deficiency.Procedures Developed & Revised & Evaluation Performed |
- on 930217,existence of Noncondensible Gases in Reference Leg of RPV Instrumentation Due to Design Deficiency.Procedures Developed & Revised & Evaluation Performed
| 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)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-010, :on 940304,24 Reportable Problems Identified by Failure of Procedures to Fully Implement.Cause Was Less than Adequate Barrier & Controls for Program Changes.Corrective Actions Include Procedure & TS Changes |
- on 940304,24 Reportable Problems Identified by Failure of Procedures to Fully Implement.Cause Was Less than Adequate Barrier & Controls for Program Changes.Corrective Actions Include Procedure & TS Changes
| 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)(iii) |
| 05000397/LER-1993-010-07, Forwards LER 93-010-07 Re Two Addl Reportable Findings of TS Surveillance Improvement Project.Rept Provides Updated Status of Corrective Actions | Forwards LER 93-010-07 Re Two Addl Reportable Findings of TS Surveillance Improvement Project.Rept Provides Updated Status of Corrective Actions | |
| 05000397/LER-1993-010-01, Forwards LER 93-010-01,discussing Items of Reportability, Corrective Action Taken & Action Taken to Preclude Recurrence | Forwards LER 93-010-01,discussing Items of Reportability, Corrective Action Taken & Action Taken to Preclude Recurrence | |
| 05000397/LER-1993-011, :on 930310 & 0409,determined That Previously Performed Surveillance Testing Did Not Demonstrate Operability of Hoists Associated W/Refueling Platform.Caused by Personnel Error.Listed Procedures Changed |
- on 930310 & 0409,determined That Previously Performed Surveillance Testing Did Not Demonstrate Operability of Hoists Associated W/Refueling Platform.Caused by Personnel Error.Listed Procedures Changed
| 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 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-011-01, Forwards LER 93-011-01,discussing Items of Reportability, Corrective Action Taken & Action to Preclude Recurrence | Forwards LER 93-011-01,discussing Items of Reportability, Corrective Action Taken & Action to Preclude Recurrence | |
| 05000397/LER-1993-012, :on 930311,Sys Engineer Learned That Fast Open Function of Main Turbine BPV Was Not Operable.Caused by Less than Adequate Surveillance Procedures.No Immediate Corrective Actions Were Required |
- on 930311,Sys Engineer Learned That Fast Open Function of Main Turbine BPV Was Not Operable.Caused by Less than Adequate Surveillance Procedures.No Immediate Corrective Actions Were Required
| 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 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-013-01, Forwards LER 93-013-01,discussing Items of Reportability, Corrective Action Taken & Action Taken to Preclude Recurrence | Forwards LER 93-013-01,discussing Items of Reportability, Corrective Action Taken & Action Taken to Preclude Recurrence | |
| 05000397/LER-1993-013, :on 930318 & 0412,design Errors Noted in Component Safety Classification & Design Requirements Document Programs for RCIC Primary Containment Release path.RCIC-V-31 Closed & motor-operator Deenergized |
- on 930318 & 0412,design Errors Noted in Component Safety Classification & Design Requirements Document Programs for RCIC Primary Containment Release path.RCIC-V-31 Closed & motor-operator Deenergized
| 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)(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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-014, :on 930803,discovered Inadequate Backup Overcurrent Protection for Containment Penetrations Due to Inadequate Design Analysis Using Inaccurate & Incomplete Documentation.Changed Plant Procedure |
- on 930803,discovered Inadequate Backup Overcurrent Protection for Containment Penetrations Due to Inadequate Design Analysis Using Inaccurate & Incomplete Documentation.Changed Plant Procedure
| 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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-015, :on 930331,unusual Event Declared as Result of Inoperability of HPCS Sys from Low Svc Water Flow Through HPCS Pump Room Cooler,Coincident w/930318 Inoperability of Rcic.Caused by Component Defect.Flow Revised |
- on 930331,unusual Event Declared as Result of Inoperability of HPCS Sys from Low Svc Water Flow Through HPCS Pump Room Cooler,Coincident w/930318 Inoperability of Rcic.Caused by Component Defect.Flow 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)(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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-016, :on 930331,containment Atmosphere Control Sys Primary Containment Isolation Valves Discovered Open, Resulting in Exceeding Leakage Limits.Caused by Less than Adequate Procedures.Valves Closed by Removing Jumper |
- on 930331,containment Atmosphere Control Sys Primary Containment Isolation Valves Discovered Open, Resulting in Exceeding Leakage Limits.Caused by Less than Adequate Procedures.Valves Closed by Removing Jumper
| 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)(A) |
| 05000397/LER-1993-017, :on 930426,discovered That Fire Damper Seismic Qualification Concerns Identified in 1985 Through 1987,but Not Reported.Caused by Failure to Include Fire Dampers on safety-related Mechanical List.No C/A Required |
- on 930426,discovered That Fire Damper Seismic Qualification Concerns Identified in 1985 Through 1987,but Not Reported.Caused by Failure to Include Fire Dampers on safety-related Mechanical List.No C/A Required
| 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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-018, :on 930428,discovered Design Condition That Could Have Impacted Plants Ability to Mitigate Accident Conditions.Caused by Less than Adequate Change Mgt.Abnormal Operating Procedures Will Be Revised |
- on 930428,discovered Design Condition That Could Have Impacted Plants Ability to Mitigate Accident Conditions.Caused by Less than Adequate Change Mgt.Abnormal Operating Procedures Will Be 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 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(8) |
| 05000397/LER-1993-019, :on 930510,ESF Isolations & Actuations Occurred Due to 500 Kv Load Break Disconnect Failure. RHR Loop a Shutdown Cooling Restored & Plant Sys Returned to Normal Lineup Status |
- on 930510,ESF Isolations & Actuations Occurred Due to 500 Kv Load Break Disconnect Failure. RHR Loop a Shutdown Cooling Restored & Plant Sys Returned to Normal Lineup Status
| 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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-020, :on 930511,MSRV Position Indicators Not Tested Per TS Requirements Due to Poor Procedures,Inconsistency of Three Specs Re MSRVs & TS 3/4.3.7.5 for MSRV Acoustic Monitors Not Met at Required Times |
- on 930511,MSRV Position Indicators Not Tested Per TS Requirements Due to Poor Procedures,Inconsistency of Three Specs Re MSRVs & TS 3/4.3.7.5 for MSRV Acoustic Monitors Not Met at Required Times
| 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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-021, :on 930514,discovered Potential for Water Accumulation in CAC Sys.Due to Inadequate Original Analysis of Sys Design.Drains Installed in Lowest Elevations of CAC Sys Piping |
- on 930514,discovered Potential for Water Accumulation in CAC Sys.Due to Inadequate Original Analysis of Sys Design.Drains Installed in Lowest Elevations of CAC Sys Piping
| 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)(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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-022, :on 930524,two Control Rod Withdrawal Events Were Identified as Having Violated Ts.Caused by Control Rod Maintenance & Testing Not Sufficient.Sys to Improve HCU & Control Rod Implemented |
- on 930524,two Control Rod Withdrawal Events Were Identified as Having Violated Ts.Caused by Control Rod Maintenance & Testing Not Sufficient.Sys to Improve HCU & Control Rod Implemented
| 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 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-023, :on 930605,concluded That Flexible Conduit Associated W/Pressure Switches Not Seismically Supported. Caused by Improper Construction Instructions.Walkdown of Quality Class I Racks Performed |
- on 930605,concluded That Flexible Conduit Associated W/Pressure Switches Not Seismically Supported. Caused by Improper Construction Instructions.Walkdown of Quality Class I Racks Performed
| 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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-024, :on 930615,ESG Actuation of Containment Instrument Air Backup Nitrogen Bottle Programmer Occurred. Caused by Personnel Error & Procedure Deficiency.Test Procedures to Be Strengthened |
- on 930615,ESG Actuation of Containment Instrument Air Backup Nitrogen Bottle Programmer Occurred. Caused by Personnel Error & Procedure Deficiency.Test Procedures to Be Strengthened
| 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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-025, :on 930615,Group 1 Nuclear Steam Supply Shutoff Sys Isolation Occurred During Performance of TS Surveillance Test on Turbine Throttle Valves.Caused by Procedure Deficiency.Procedure Changed |
- on 930615,Group 1 Nuclear Steam Supply Shutoff Sys Isolation Occurred During Performance of TS Surveillance Test on Turbine Throttle Valves.Caused by Procedure Deficiency.Procedure Changed
| 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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-026, :on 930619,failed to Complete Weekly Battery Surveillance Requirements within Allowed TS Interval Due to Scheduling Oversight.Initiated & Completed PPM 7.4.8.2.1.20 |
- on 930619,failed to Complete Weekly Battery Surveillance Requirements within Allowed TS Interval Due to Scheduling Oversight.Initiated & Completed PPM 7.4.8.2.1.20
| 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 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-027, Primary Coolant Steam Leak Discovered During Scram Recovery.Event Also Described in LER 93-027. Encl LER 93-029 Provides Separate Report,Per 10CFR50.73 | Primary Coolant Steam Leak Discovered During Scram Recovery.Event Also Described in LER 93-027. Encl LER 93-029 Provides Separate Report,Per 10CFR50.73 | |
| 05000397/LER-1993-028, Application for Amend to License NPF-21 for Exclusion of Single RWCU Helb,In Ref to LER 93-028-00,submitted Via | Application for Amend to License NPF-21 for Exclusion of Single RWCU Helb,In Ref to LER 93-028-00,submitted Via | |
| 05000397/LER-1993-029, :on 930805,discovered Primary Coolant Steam Leak.Caused by Weld Defect.Weld Crack Repaired on 930806. Weld Record for Applicable Weld Also Reviewed & No Discrepancies Identified |
- on 930805,discovered Primary Coolant Steam Leak.Caused by Weld Defect.Weld Crack Repaired on 930806. Weld Record for Applicable Weld Also Reviewed & No Discrepancies Identified
| 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(i)(A), Completion of TS Shutdown 10 CFR 50.73(a)(2) |
| 05000397/LER-1993-030, :on 931028,cable Tray Cover Deficiencies Discovered Due to Inadequate Mgt Methods to Identify & Resolve Cable Tray & Conduit Electrical Separation Problems. Established Fire Tours of Affected Areas |
- on 931028,cable Tray Cover Deficiencies Discovered Due to Inadequate Mgt Methods to Identify & Resolve Cable Tray & Conduit Electrical Separation Problems. Established Fire Tours of Affected Areas
| 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)(A) 10 CFR 50.73(a)(2)(viii)(B) |
| 05000397/LER-1993-031, :on 931109,engineering Evaluation Determined That MCR HVAC Sys Will Not Maintain CR Temp.Caused by Inadequate Design Margin in Original Design.Per Written to Document Potential Analysis Concerns |
- on 931109,engineering Evaluation Determined That MCR HVAC Sys Will Not Maintain CR Temp.Caused by Inadequate Design Margin in Original Design.Per Written to Document Potential Analysis Concerns
| 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) |
| 05000397/LER-1993-031-01, Provides Info Re WNP-2,Operating License NPF-21, LER 93-031-01,corrective Actions That Were Completed | Provides Info Re WNP-2,Operating License NPF-21, LER 93-031-01,corrective Actions That Were Completed | |