]> 2026-04-16T19:23:32-04:00 JAF LER 108 en 2018-03-02T03:10:43Z 2458179.6324421 JAF LER 108 1 3 [[Category:Licensee Event Report]] [[Site::FitzPatrick]] JAF LER# QUERY52ac33571887b2f91cfb77dcf8858ee4 05000333/LER-2013-006, Regarding Loss of HPCI Safety Function Due to Failure of B CST Level Switches 0 en 05000333/LER-2013-006, Regarding Loss of HPCI Safety Function Due to Failure of B CST Level Switches 05000333/LER-2002-001, Re Both Trains of Core Spray and One RHR Pump Inoperable Due to Out of Tolerance Pump Start Time Delay Relays 0 en 05000333/LER-2002-001, Re Both Trains of Core Spray and One RHR Pump Inoperable Due to Out of Tolerance Pump Start Time Delay Relays 05000333/LER-1917-003, Regarding Inadvertent Isolation of the High Pressure Coolant Injection System 0 en 05000333/LER-1917-003, Regarding Inadvertent Isolation of the High Pressure Coolant Injection System 05000333/LER-1981-054-03, /03L-0:on 810625,pressure Switch 02-3-PS-128A, Which Causes Isolation of Shutdown Cooling,Found Set Above Tech Spec Limit.Probably Caused by Instrument Drift.Switch Adjusted & Surveillance Frequency Increased 0 en 05000333/LER-1981-054-03, /03L-0:on 810625,pressure Switch 02-3-PS-128A, Which Causes Isolation of Shutdown Cooling,Found Set Above Tech Spec Limit.Probably Caused by Instrument Drift.Switch Adjusted & Surveillance Frequency Increased 05000333/LER-1979-091, Forwards LER 79-091/03L-0 0 en 05000333/LER-1979-091, Forwards LER 79-091/03L-0 05000333/LER-1979-049, Forwards LER 79-049/03L-0 0 en 05000333/LER-1979-049, Forwards LER 79-049/03L-0 05000333/LER-1979-047-03, /03L-0:on 790810,operation of Diesel Driven Fire Pump Relief Valve Seemed to Be Sluggish.Fire Sys Placed in Degraded Mode.Relief Valve Spring & Stem Assembly Replaced 0 en 05000333/LER-1979-047-03, /03L-0:on 790810,operation of Diesel Driven Fire Pump Relief Valve Seemed to Be Sluggish.Fire Sys Placed in Degraded Mode.Relief Valve Spring & Stem Assembly Replaced 05000333/LER-1979-050, Forwards LER 79-050/03L-0 0 en 05000333/LER-1979-050, Forwards LER 79-050/03L-0 05000333/LER-1979-113-03, /03L-0:on 791221,while Conducting Core Spray Motor Operated Valve Operability Test,Isolation Valve 14-MOV-11B Would Not Reopen Following Closure.Caused by Motor Pinion Gear Working Loose from Shaft.Gear Replaced 0 en 05000333/LER-1979-113-03, /03L-0:on 791221,while Conducting Core Spray Motor Operated Valve Operability Test,Isolation Valve 14-MOV-11B Would Not Reopen Following Closure.Caused by Motor Pinion Gear Working Loose from Shaft.Gear Replaced 05000333/LER-1979-111, Forwards LER 79-111/03L-0 0 en 05000333/LER-1979-111, Forwards LER 79-111/03L-0 05000333/LER-1979-109, Forwards LER 79-109/03L-0 0 en 05000333/LER-1979-109, Forwards LER 79-109/03L-0 05000333/LER-1979-107, Forwards LER 79-107/03L-0 0 en 05000333/LER-1979-107, Forwards LER 79-107/03L-0 05000333/LER-1979-080-01, /01T-0:on 791017,pipe Stress Reanalysis Revealed Pipe Hanger in Fuel Pool Cooling Sys Was Inoperable.Cause Not Stated.Hanger Was Ungraded.Hanger as Modified Is Acceptable.Sys Is Currently Operable 0 en 05000333/LER-1979-080-01, /01T-0:on 791017,pipe Stress Reanalysis Revealed Pipe Hanger in Fuel Pool Cooling Sys Was Inoperable.Cause Not Stated.Hanger Was Ungraded.Hanger as Modified Is Acceptable.Sys Is Currently Operable 05000333/LER-1979-080, Forwards LER 79-080/01T-0 0 en 05000333/LER-1979-080, Forwards LER 79-080/01T-0 05000333/LER-1978-111, Forwards LER 78-111/03L-0 0 en 05000333/LER-1978-111, Forwards LER 78-111/03L-0 05000333/LER-1978-101, Forwards LER 78-101/03L-0 0 en 05000333/LER-1978-101, Forwards LER 78-101/03L-0 05000333/LER-1978-100-03, /03L-0 on 781209:rod-block Monitor Upscale & Downscale Instrument Functional Check Could Not Be Completed.Malfunction Disappeared & Could Not Be Duplicated 0 en 05000333/LER-1978-100-03, /03L-0 on 781209:rod-block Monitor Upscale & Downscale Instrument Functional Check Could Not Be Completed.Malfunction Disappeared & Could Not Be Duplicated 05000333/LER-1978-099-04, /04T-0 on 781220:activity Levels of Co-60 & Mn-54 in Several Radiological Monitoring Samples Were Greater than 10 Times the Control Station Activity Levels 0 en 05000333/LER-1978-099-04, /04T-0 on 781220:activity Levels of Co-60 & Mn-54 in Several Radiological Monitoring Samples Were Greater than 10 Times the Control Station Activity Levels 05000333/LER-1979-083-03, /03L-0:on 791008,during Normal Operation,Routine Computer Printout of Core Performance Log Indicated That Max Fraction of Limiting Power Density Exceeded 1.000. Reactor Power Immediately Reduced 3% 0 en 05000333/LER-1979-083-03, /03L-0:on 791008,during Normal Operation,Routine Computer Printout of Core Performance Log Indicated That Max Fraction of Limiting Power Density Exceeded 1.000. Reactor Power Immediately Reduced 3% 05000333/LER-1979-083, Forwards LER 79-083/03L-0 0 en 05000333/LER-1979-083, Forwards LER 79-083/03L-0 05000333/LER-1979-084-03, /03L-0:on 791009,during Surveillance Test F-ST-5Q, Average Power Range Monitor Channels a & D Tripped at Value Above Tech Spec Max.Caused by Error in Calibr Procedure. Calibr Procedure Revised & Instruments Returned to Svc 0 en 05000333/LER-1979-084-03, /03L-0:on 791009,during Surveillance Test F-ST-5Q, Average Power Range Monitor Channels a & D Tripped at Value Above Tech Spec Max.Caused by Error in Calibr Procedure. Calibr Procedure Revised & Instruments Returned to Svc 05000333/LER-1979-085-01, /01T-0:on 791024,while Performing Pipe Stress Reanalysis,Pipe Support Found Inoperable.Cause Not Stated. Support Will Be Upgraded to Accept Increased Loading Resulting from SHOCK-III Analysis 0 en 05000333/LER-1979-085-01, /01T-0:on 791024,while Performing Pipe Stress Reanalysis,Pipe Support Found Inoperable.Cause Not Stated. Support Will Be Upgraded to Accept Increased Loading Resulting from SHOCK-III Analysis 05000333/LER-1979-078-03, /03L-0:on 791002,reactor Water Instrument 02-3-LIS-72A Was Found Out of Calibr.Caused by Instrument Drift Due to Unknown Causes.Surveillance Increased to Daily Until Switch Is Replaced or Determined Reliable 0 en 05000333/LER-1979-078-03, /03L-0:on 791002,reactor Water Instrument 02-3-LIS-72A Was Found Out of Calibr.Caused by Instrument Drift Due to Unknown Causes.Surveillance Increased to Daily Until Switch Is Replaced or Determined Reliable 05000333/LER-1979-079-01, /01T-0:on 791010,pipe Support Associated W/Emergency Svc Water Sys B Was Considered Inoperable Per Tech Specs.Cause Not Stated.Existing Support Was Upgraded 0 en 05000333/LER-1979-079-01, /01T-0:on 791010,pipe Support Associated W/Emergency Svc Water Sys B Was Considered Inoperable Per Tech Specs.Cause Not Stated.Existing Support Was Upgraded 05000333/LER-1979-079, Forwards LER 79-079/01T-0 0 en 05000333/LER-1979-079, Forwards LER 79-079/01T-0 05000333/LER-1979-081, Forwards LER 79-081/01T-0 0 en 05000333/LER-1979-081, Forwards LER 79-081/01T-0 05000333/LER-1979-009, Forwards LER 79-009/03L-0 0 en 05000333/LER-1979-009, Forwards LER 79-009/03L-0 05000333/LER-1979-097, Forwards LER 79-097/03L-0 0 en 05000333/LER-1979-097, Forwards LER 79-097/03L-0 05000333/LER-1979-028-03, /03L-0 on 790517:during Cold Shutdown,Level Instrument of Carbon Dioxide Storage Sys Was Out of Calibr. Caused by Procedural Error.Instrument Racalibr & Satisfactorily Tested 0 en 05000333/LER-1979-028-03, /03L-0 on 790517:during Cold Shutdown,Level Instrument of Carbon Dioxide Storage Sys Was Out of Calibr. Caused by Procedural Error.Instrument Racalibr & Satisfactorily Tested 05000333/LER-1978-093, Forwards LER 78-093/03L-0 0 en 05000333/LER-1978-093, Forwards LER 78-093/03L-0 05000333/LER-1979-031, Forwards LER 79-031/03L-0 0 en 05000333/LER-1979-031, Forwards LER 79-031/03L-0 05000333/LER-1979-105-03, /03L-0:on 791114,during Normal Operation,Noisy Lubricating Oil Recirculating Pump Associated W/Emergency Diesel Generator C Noted.Caused by Bad Bearing in Pump Motor.Motor Replaced 0 en 05000333/LER-1979-105-03, /03L-0:on 791114,during Normal Operation,Noisy Lubricating Oil Recirculating Pump Associated W/Emergency Diesel Generator C Noted.Caused by Bad Bearing in Pump Motor.Motor Replaced 05000333/LER-1979-105, Forwards LER 79-105/03L-0 0 en 05000333/LER-1979-105, Forwards LER 79-105/03L-0 05000333/LER-1978-106, Forwards LER 78-106/03L-0 0 en 05000333/LER-1978-106, Forwards LER 78-106/03L-0 05000333/LER-1978-107, Forwards LER 78-107/03L-0 0 en 05000333/LER-1978-107, Forwards LER 78-107/03L-0 05000333/LER-1979-110-03, /03L-0:on 791214,HPCI Sys Steam Supply Inboard Isolation Valve 23-MOV-15 Closed Due to Spurious Isolation Signal.No Cause Found.Isolation Signal Reset & Valve Reopened to Restore HPCI Sys to Operation 0 en 05000333/LER-1979-110-03, /03L-0:on 791214,HPCI Sys Steam Supply Inboard Isolation Valve 23-MOV-15 Closed Due to Spurious Isolation Signal.No Cause Found.Isolation Signal Reset & Valve Reopened to Restore HPCI Sys to Operation 05000333/LER-1981-019, Forwards LER 81-019/03L-0 0 en 05000333/LER-1981-019, Forwards LER 81-019/03L-0 05000333/LER-1981-053-03, /03L-0:on 810625,mgt Review Revealed That Electric & Diesel Fire Pump Flow & Pressure Tests Per Tech Specs Were Not Conducted within Required Time Period.Caused by Failure to Place Surveillance Tests on Schedule.Tests Perfor 0 en 05000333/LER-1981-053-03, /03L-0:on 810625,mgt Review Revealed That Electric & Diesel Fire Pump Flow & Pressure Tests Per Tech Specs Were Not Conducted within Required Time Period.Caused by Failure to Place Surveillance Tests on Schedule.Tests Perfor 05000333/LER-1981-046-03, /03L-0:on 810602,during Normal Operation,Personnel Noted Rod Block Monitor B Remained Bypassed When Control Rod Was Selected.Caused by Relay Failure.Relay Replaced 0 en 05000333/LER-1981-046-03, /03L-0:on 810602,during Normal Operation,Personnel Noted Rod Block Monitor B Remained Bypassed When Control Rod Was Selected.Caused by Relay Failure.Relay Replaced 05000333/LER-1981-047-03, /03L-0:on 810603,while Conducting Surveillance, Drywell Floor Drain Sump Flow Recorder & Square Foot Module Found Out of Calibr.Cause Not Stated.Calibr Corrected 0 en 05000333/LER-1981-047-03, /03L-0:on 810603,while Conducting Surveillance, Drywell Floor Drain Sump Flow Recorder & Square Foot Module Found Out of Calibr.Cause Not Stated.Calibr Corrected 05000333/LER-1981-025, Forwards LER 81-025/03L-0 0 en 05000333/LER-1981-025, Forwards LER 81-025/03L-0 05000333/LER-1982-016, Forwards LER 82-016/03L-0 0 en 05000333/LER-1982-016, Forwards LER 82-016/03L-0 05000333/LER-1993-010-01, :on 930420,HPCI Declared Inoperable Due to Grounded Electric Circuit on Turbine Steam Supply Valve. Caused by Personnel Inattention to Detail.Personnel Counseled Re Need for Attention to Detail 0 en 05000333/LER-1993-010-01, :on 930420,HPCI Declared Inoperable Due to Grounded Electric Circuit on Turbine Steam Supply Valve. Caused by Personnel Inattention to Detail.Personnel Counseled Re Need for Attention to Detail 05000333/LER-1993-018, Forwards Rev 1 to LER 93-018,identifying That Increase in Min Carbon Dioxide Storage Tank Level Specified in TS Required to Provide Single Full Discharge of Carbon Dioxide Into North Emergency Switchgear Room 0 en 05000333/LER-1993-018, Forwards Rev 1 to LER 93-018,identifying That Increase in Min Carbon Dioxide Storage Tank Level Specified in TS Required to Provide Single Full Discharge of Carbon Dioxide Into North Emergency Switchgear Room 05000333/LER-1989-012, Advises That Suppl to LER 89-012-00 Re Postulated Fault 4 Kv Bus Fault Will Be Submitted by 900904 0 en 05000333/LER-1989-012, Advises That Suppl to LER 89-012-00 Re Postulated Fault 4 Kv Bus Fault Will Be Submitted by 900904 05000333/LER-1982-025, Forwards LER 82-025/03L-0 0 en 05000333/LER-1982-025, Forwards LER 82-025/03L-0 05000333/LER-1982-026, Forwards LER 82-026/03L-0 0 en 05000333/LER-1982-026, Forwards LER 82-026/03L-0 05000333/LER-1982-023, Forwards LER 82-023/03L-0 0 en 05000333/LER-1982-023, Forwards LER 82-023/03L-0 05000333/LER-1982-012, Forwards LER 82-012/03L-0 0 en 05000333/LER-1982-012, Forwards LER 82-012/03L-0 05000333/LER-1982-013, Forwards LER 82-013/03L-0 0 en 05000333/LER-1982-013, Forwards LER 82-013/03L-0 05000333/LER-1982-011, Forwards LER 82-011/03L-0 0 en 05000333/LER-1982-011, Forwards LER 82-011/03L-0 05000333/LER-1982-008, Forwards LER 82-008/03L-0 0 en 05000333/LER-1982-008, Forwards LER 82-008/03L-0 05000333/LER-1982-042, Forwards LER 82-042/03L-0 0 en 05000333/LER-1982-042, Forwards LER 82-042/03L-0 05000333/LER-1983-007, Forwards LER 83-007/03L-0 0 en 05000333/LER-1983-007, Forwards LER 83-007/03L-0 05000333/LER-1982-060, Forwards LER 82-060/04T-0 0 en 05000333/LER-1982-060, Forwards LER 82-060/04T-0 05000333/LER-1983-008, Forwards LER 83-008/01T-0 0 en 05000333/LER-1983-008, Forwards LER 83-008/01T-0 05000333/LER-1993-027, Reissues LER-93-027 Re Fire Protection Sys Functional Test Procedure Weaknesses Due to Incorrect Date on Block 7 of Form NRC 366.Rept Text Remains as Issued on 940120 0 en 05000333/LER-1993-027, Reissues LER-93-027 Re Fire Protection Sys Functional Test Procedure Weaknesses Due to Incorrect Date on Block 7 of Form NRC 366.Rept Text Remains as Issued on 940120 05000333/LER-1982-056, Forwards LER 82-056/03L-0 0 en 05000333/LER-1982-056, Forwards LER 82-056/03L-0 05000333/LER-1982-053, Forwards LER 82-053/03L-0 0 en 05000333/LER-1982-053, Forwards LER 82-053/03L-0 05000333/LER-1982-054, Forwards LER 82-054/03L-0 0 en 05000333/LER-1982-054, Forwards LER 82-054/03L-0 05000333/LER-1982-055, Forwards LER 82-055/03L-0 0 en 05000333/LER-1982-055, Forwards LER 82-055/03L-0 05000333/LER-1982-058, Forwards LER 82-058/04T-0 0 en 05000333/LER-1982-058, Forwards LER 82-058/04T-0 05000333/LER-1982-034, Forwards LER 82-034/03X-1 0 en 05000333/LER-1982-034, Forwards LER 82-034/03X-1 05000333/LER-1981-033, Forwards LER 81-033/03L-0 0 en 05000333/LER-1981-033, Forwards LER 81-033/03L-0 05000333/LER-1982-040, Forwards LER 82-040/04T-0 0 en 05000333/LER-1982-040, Forwards LER 82-040/04T-0 05000333/LER-1982-037, Forwards LER 82-037/03L-0 0 en 05000333/LER-1982-037, Forwards LER 82-037/03L-0 05000333/LER-1982-036, Forwards LER 82-036/03L-0 0 en 05000333/LER-1982-036, Forwards LER 82-036/03L-0 05000333/LER-1982-038, Forwards LER 82-038/03L-0 0 en 05000333/LER-1982-038, Forwards LER 82-038/03L-0 05000333/LER-1982-033, Forwards LER 82-033/03L-0 0 en 05000333/LER-1982-033, Forwards LER 82-033/03L-0 05000333/LER-1982-032, Forwards LER 82-032/03L-0 0 en 05000333/LER-1982-032, Forwards LER 82-032/03L-0 05000333/LER-1982-031, Forwards LER 82-031/03L-0 0 en 05000333/LER-1982-031, Forwards LER 82-031/03L-0 05000333/LER-1982-029, Forwards LER 82-029/03L-0 0 en 05000333/LER-1982-029, Forwards LER 82-029/03L-0 05000333/LER-1983-006, Forwards LER 83-006/03L-0 0 en 05000333/LER-1983-006, Forwards LER 83-006/03L-0 05000333/LER-1982-050, Forwards LER 82-050/03L-0 0 en 05000333/LER-1982-050, Forwards LER 82-050/03L-0 05000333/LER-1982-044, Forwards LER 82-044/03L-0 0 en 05000333/LER-1982-044, Forwards LER 82-044/03L-0 05000333/LER-1983-012, Forwards LER 83-012/04T-0 0 en 05000333/LER-1983-012, Forwards LER 83-012/04T-0 05000333/LER-1983-011, Forwards LER 83-011/01T-0 0 en 05000333/LER-1983-011, Forwards LER 83-011/01T-0 05000333/LER-1982-039, Forwards LER 82-039/03L-0 0 en 05000333/LER-1982-039, Forwards LER 82-039/03L-0 05000333/LER-1982-049, Forwards LER 82-049/03L-0 0 en 05000333/LER-1982-049, Forwards LER 82-049/03L-0 05000333/LER-1982-052, Forwards LER 82-052/03L-0 0 en 05000333/LER-1982-052, Forwards LER 82-052/03L-0 05000333/LER-1982-045, Forwards LER 82-045/03L-0 0 en 05000333/LER-1982-045, Forwards LER 82-045/03L-0 05000333/LER-1982-048, Forwards LER 82-048/03L-0 0 en 05000333/LER-1982-048, Forwards LER 82-048/03L-0 05000333/LER-1982-046, Forwards LER 82-046/03L-0 0 en 05000333/LER-1982-046, Forwards LER 82-046/03L-0 05000333/LER-1983-002, Forwards LER 83-002/03L-0 0 en 05000333/LER-1983-002, Forwards LER 83-002/03L-0 05000333/LER-1983-003, Forwards LER 83-003/03L-0 0 en 05000333/LER-1983-003, Forwards LER 83-003/03L-0 05000333/LER-1978-112, Forwards LER 78-112/03L-0 0 en 05000333/LER-1978-112, Forwards LER 78-112/03L-0 05000333/LER-1983-042, Submits Rev to 831013 Cover Ltr & Forwards LER 83-042/03L-1. Original Ltr Erroneously Listed Rept as 83-048 & LER Had Error in Reporting Date 0 en 05000333/LER-1983-042, Submits Rev to 831013 Cover Ltr & Forwards LER 83-042/03L-1. Original Ltr Erroneously Listed Rept as 83-048 & LER Had Error in Reporting Date 05000333/LER-1983-004, Forwards LER 83-004/03L-0 0 en 05000333/LER-1983-004, Forwards LER 83-004/03L-0 05000333/LER-1983-005, Forwards LER 83-005/03L-0 0 en 05000333/LER-1983-005, Forwards LER 83-005/03L-0 05000333/LER-1982-059, Forwards LER 82-059/03L-0 0 en 05000333/LER-1982-059, Forwards LER 82-059/03L-0 05000333/LER-1982-022, Forwards LER 82-022/03L-0 0 en 05000333/LER-1982-022, Forwards LER 82-022/03L-0 05000333/LER-1991-009, Confirms 1 Wk Extension Until 910815 for Submittal of LER 91-009-00 Re RHR Pipe Support Discrepancies 0 en 05000333/LER-1991-009, Confirms 1 Wk Extension Until 910815 for Submittal of LER 91-009-00 Re RHR Pipe Support Discrepancies 05000333/LER-1983-014, Forwards LER 83-014/03L-0 0 en 05000333/LER-1983-014, Forwards LER 83-014/03L-0 05000333/LER-1983-017, Forwards LER 83-017/03L-0 0 en 05000333/LER-1983-017, Forwards LER 83-017/03L-0 05000333/LER-1983-015, Forwards LER 83-015/03L-0 0 en 05000333/LER-1983-015, Forwards LER 83-015/03L-0 05000333/LER-1983-016, Forwards Updated LER 83-016/03L-1 0 en 05000333/LER-1983-016, Forwards Updated LER 83-016/03L-1 05000333/LER-1983-013, Forwards LER 83-013/03L-0 0 en 05000333/LER-1983-013, Forwards LER 83-013/03L-0 05000333/LER-1983-010, Forwards LER 83-010/03L-0 0 en 05000333/LER-1983-010, Forwards LER 83-010/03L-0 05000333/LER-1983-009, Forwards LER 83-009/03L-0 0 en 05000333/LER-1983-009, Forwards LER 83-009/03L-0 05000333/LER-1978-105, Forwards LER 78-105/03L-0 0 en 05000333/LER-1978-105, Forwards LER 78-105/03L-0