Search by property

This page provides a simple browsing interface for finding entities described by a property and a named value. Other available search interfaces include the page property search, and the ask query builder.

List of results

• 05000312/LER-1981-024-03, /03T-0:on 810419,approx 4,000 Gallons of Reactor Coolant Was Inadvertently Transferred from RCS to Reactor Bldg Emergency Pump.Caused by Personnel Error.Rcs Was Refilled & Revented  + (/03T-0:on 810419,approx 4,000 Gallons of Reactor Coolant Was Inadvertently Transferred from RCS to Reactor Bldg Emergency Pump.Caused by Personnel Error.Rcs Was Refilled & Revented)
• 05000312/LER-1981-025-03, /03T-0:on 810420 & 0506,pressurizer Liquid Sample Valve Failed to Operate.Caused by Stripped Drive Sleeve Bevel Gear.Operator Removed & Replaced.Valve Tested & Stroked  + (/03T-0:on 810420 & 0506,pressurizer Liquid Sample Valve Failed to Operate.Caused by Stripped Drive Sleeve Bevel Gear.Operator Removed & Replaced.Valve Tested & Stroked)
• 05000219/LER-1981-042-03, /03T-0:on 810828,stack Gas Pump B Found Tripped & Low Flow Alarm Did Not Annunciate.Caused by Automatic Lubrication Sys Malfunction & Component Failure on Low Flow Switch Alarm Card  + (/03T-0:on 810828,stack Gas Pump B Found Tripped & Low Flow Alarm Did Not Annunciate.Caused by Automatic Lubrication Sys Malfunction & Component Failure on Low Flow Switch Alarm Card)
• 05000344/LER-1982-011-03, /03T-0:on 820608,during Refueling,Safety Injection/Rcs Thermal Sleeve Matl Discovered Below Lower Core Plate.Caused by Vibration.Affected Sleeves Removed. Similar Thermal Sleeve Nozzles Radiographed  + (/03T-0:on 820608,during Refueling,Safety Injection/Rcs Thermal Sleeve Matl Discovered Below Lower Core Plate.Caused by Vibration.Affected Sleeves Removed. Similar Thermal Sleeve Nozzles Radiographed)
• 05000281/LER-1983-032-03, /03T-0:on 830811,insp of Steam Generator a Feedring Revealed Holes in Seven J-tubes.Caused by Erosion/ Corrosion Phenomenon.Tubes Replaced W/Inconnel Tubes  + (/03T-0:on 830811,insp of Steam Generator a Feedring Revealed Holes in Seven J-tubes.Caused by Erosion/ Corrosion Phenomenon.Tubes Replaced W/Inconnel Tubes)
• 05000373/LER-1983-140-03, /03T-0:on 831123,incorrect Jumper Installation Identified,Preventing Automatic Start of Standby Gas Treatment Sys from Div 1 Initiation Signal.Caused by Jumper Installed on Wrong Panel.Jumper Removed  + (/03T-0:on 831123,incorrect Jumper Installation Identified,Preventing Automatic Start of Standby Gas Treatment Sys from Div 1 Initiation Signal.Caused by Jumper Installed on Wrong Panel.Jumper Removed)
• 05000250/LER-1979-031-03, /03T-2:on 791008,hex Nut Discovered Lodged in Internals of Main Steam Supply Valve to Moisture separator- Reheater 3C.Caused by Failure of Washer & Locking Device. Hex Nut & Locking Device Replaced  + (/03T-2:on 791008,hex Nut Discovered Lodged in Internals of Main Steam Supply Valve to Moisture separator- Reheater 3C.Caused by Failure of Washer & Locking Device. Hex Nut & Locking Device Replaced)
• 05000285/LER-1976-031-03, /03T:on 760908,portion of Spent Fuel Pool Rack Passed Over Spent Fuel.Caused by Misinterpretation of Tech Specs.Supervisor Re Instructed as to Meaning of Tech Specs  + (/03T:on 760908,portion of Spent Fuel Pool Rack Passed Over Spent Fuel.Caused by Misinterpretation of Tech Specs.Supervisor Re Instructed as to Meaning of Tech Specs)
• 05000293/LER-1979-024-03, /03X-0 on 790619:surveillance Test 8.M.3-11 Re Reactor Protection Sys Instrument Response Time Not Performed Since Nov 1975.Caused by Scheduling Inadequacy. Test Performed Satisfactorily on 790630  + (/03X-0 on 790619:surveillance Test 8.M.3-11 Re Reactor Protection Sys Instrument Response Time Not Performed Since Nov 1975.Caused by Scheduling Inadequacy. Test Performed Satisfactorily on 790630)
• 05000237/LER-1978-020, /03X-01 for Dresden, Unit 1 Re Cause of Failure of the Diesel Generator to Start  + (/03X-01 for Dresden, Unit 1 Re Cause of Failure of the Diesel Generator to Start)
• 05000293/LER-1980-049-03, /03X-01:on 800810 & 11,thermal Overload Relay Associated W/Breaker Tripped Resulting in Loss of Salt Svc Water Pump.Caused by Actuation of Thermal Overload Devices. Biofouling Control Improved  + (/03X-01:on 800810 & 11,thermal Overload Relay Associated W/Breaker Tripped Resulting in Loss of Salt Svc Water Pump.Caused by Actuation of Thermal Overload Devices. Biofouling Control Improved)
• 05000293/LER-1981-036-03, /03X-01:on 810709,trip Points for Pressure Switche Higher than Tech Specs Limit Found During Surveillance Test. Caused by Drifting of Trip Point of Switches.Switches Replaced W/Rosemount Transmitters  + (/03X-01:on 810709,trip Points for Pressure Switche Higher than Tech Specs Limit Found During Surveillance Test. Caused by Drifting of Trip Point of Switches.Switches Replaced W/Rosemount Transmitters)
• 05000260/LER-1979-015-03, /03X-0:on 790607,during Normal Operation,Hpci Tripped Several Times on Mechanical Overspeed.Caused by Damage to Ball & Tappett Assembly Due to Improperly Set Trip Weight.Ball & Tappett Assembly Replaced & Trip Weight Reset  + (/03X-0:on 790607,during Normal Operation,Hpci Tripped Several Times on Mechanical Overspeed.Caused by Damage to Ball & Tappett Assembly Due to Improperly Set Trip Weight.Ball & Tappett Assembly Replaced & Trip Weight Reset)
• 05000293/LER-1979-052-03, /03X-0:on 790705,fire Detector Alarm,Initiating from HPCI Turbine Compartment,Annunciated on Panel C114 in Control Room.No Fire Existed.Caused by Moisture in HPCI Area from Steam Leak  + (/03X-0:on 790705,fire Detector Alarm,Initiating from HPCI Turbine Compartment,Annunciated on Panel C114 in Control Room.No Fire Existed.Caused by Moisture in HPCI Area from Steam Leak)
• 05000267/LER-1979-025-03, /03X-0:on 790806,during Steady State Operation at 45% Thermal Power,Emergency Diesel Generator a Found in Degraded Mode, & B Engine Also Declutched.Caused by Relay Failure Due to Normal End of Life.Relay Replaced  + (/03X-0:on 790806,during Steady State Operation at 45% Thermal Power,Emergency Diesel Generator a Found in Degraded Mode, & B Engine Also Declutched.Caused by Relay Failure Due to Normal End of Life.Relay Replaced)
• 05000293/LER-1979-054-03, /03X-0:on 790807,w/incoming Power unavailable,24 Kv Shutdown Transformer Tripped Off Line Via Undervoltage Relay Trip Operation.Caused by Blown Fuse & Relay Trip  + (/03X-0:on 790807,w/incoming Power unavailable,24 Kv Shutdown Transformer Tripped Off Line Via Undervoltage Relay Trip Operation.Caused by Blown Fuse & Relay Trip)
• 05000206/LER-1981-008-03, /03X-0:on 810504,insp of Thermal Sleeve & Feedring Assembly on Steam Generator B Found Thermal Sleeve Deformation in Feed Nozzle Area,Radial Indications at Several Feedring Distribution Holes & Other Defects  + (/03X-0:on 810504,insp of Thermal Sleeve & Feedring Assembly on Steam Generator B Found Thermal Sleeve Deformation in Feed Nozzle Area,Radial Indications at Several Feedring Distribution Holes & Other Defects)
• 05000339/LER-1982-024-03, /03X-0:on 820518,w/RCS Water Solid,Power Operated Relief valve,PCV-2456,lifted Twice When Loop C Cold Leg Stop valve,MOV-2595,opened & Reactor Coolant pump,2-RC-P-1C Started.Caused by Thermal Expansion of Reactor Coolant  + (/03X-0:on 820518,w/RCS Water Solid,Power Operated Relief valve,PCV-2456,lifted Twice When Loop C Cold Leg Stop valve,MOV-2595,opened & Reactor Coolant pump,2-RC-P-1C Started.Caused by Thermal Expansion of Reactor Coolant)
• 05000317/LER-1982-061-03, /03X-0:on 820926,pressurizer Level Deviated from Program Level During Normal Startup.Rcs Temp Swings of 10 Degrees Not Uncommon During Startup.Justification for Tech Spec Relaxation Reanalyzed  + (/03X-0:on 820926,pressurizer Level Deviated from Program Level During Normal Startup.Rcs Temp Swings of 10 Degrees Not Uncommon During Startup.Justification for Tech Spec Relaxation Reanalyzed)
• 05000361/LER-1983-051-03, /03X-0:on 830501,control Room Complex Isolation Dumper 2/3HV9702 Did Not Close as Required on Spurious Tgis. Caused by Dirt on Reset Relay.Relays Cleaned  + (/03X-0:on 830501,control Room Complex Isolation Dumper 2/3HV9702 Did Not Close as Required on Spurious Tgis. Caused by Dirt on Reset Relay.Relays Cleaned)
• 05000296/LER-1983-053-03, /03X-0:on 830831,hydrogen Analyzer Declared Inoperable Due to loss-of-flow Light 76-8.Caused by Moisture Collection in Sample Lines.Lines Blown Down & Dried.Sys Restored  + (/03X-0:on 830831,hydrogen Analyzer Declared Inoperable Due to loss-of-flow Light 76-8.Caused by Moisture Collection in Sample Lines.Lines Blown Down & Dried.Sys Restored)
• 05000237/LER-1977-021, /03X-1 for Dresden 3 Regarding a Pin Hole Leak Found in Minimum Flow Line from 3A Reactor Feedwater Pump (Line 3-3205C-6)  + (/03X-1 for Dresden 3 Regarding a Pin Hole Leak Found in Minimum Flow Line from 3A Reactor Feedwater Pump (Line 3-3205C-6))
• 05000237/LER-1980-002, /03X-1 for Dresden Unit 3 Regarding During Normal Operation While Performing LPCI Monthly Surveillance, MO-3-1501-118 Valve Would Not Close  + (/03X-1 for Dresden Unit 3 Regarding During Normal Operation While Performing LPCI Monthly Surveillance, MO-3-1501-118 Valve Would Not Close)
• 05000249/LER-1979-030, /03X-1 for Dresden Unit 3 Regarding a Supplement to LER 79-30/03L-0 Addressing the Cause and Corrective Actions for the Loss of Position Indication for CRD H-9  + (/03X-1 for Dresden Unit 3 Regarding a Supplement to LER 79-30/03L-0 Addressing the Cause and Corrective Actions for the Loss of Position Indication for CRD H-9)
• 05000237/LER-1980-039, /03X-1 for Dresden, Unit 2 Re HPCI Inboard Steam Supply Valve Opened and Had a Dual Light Indication  + (/03X-1 for Dresden, Unit 2 Re HPCI Inboard Steam Supply Valve Opened and Had a Dual Light Indication)

• 05000237/LER-1977-055, /03X-1 for Dresden, Units 2 and 3 Re Diesel Generator Auto Start Relays  + (/03X-1 for Dresden, Units 2 and 3 Re Diesel Generator Auto Start Relays)

• 05000237/LER-1977-054-03, /03X-1 on 77-1102:during Unit 2 Refueling Outage, Control Rod drive(CRD)H-5 Overtraveled Indicating Uncoupling During Functional Testing.Caused by Unlatched Inner Filter Abnormally Long Uncoupling Rod  + (/03X-1 on 77-1102:during Unit 2 Refueling Outage, Control Rod drive(CRD)H-5 Overtraveled Indicating Uncoupling During Functional Testing.Caused by Unlatched Inner Filter Abnormally Long Uncoupling Rod)
• 05000237/LER-1978-015-03, /03X-1 on 770402:CRD L-5 Uncoupled & Overtraveled When W/Drawn to Pos 48.Caused by Unlatched Inner Filter & Abnormally Long Uncoupling Rod.Procedure Rev & QA Coverage Improved to Prevent Future CRD Uncouplings  + (/03X-1 on 770402:CRD L-5 Uncoupled & Overtraveled When W/Drawn to Pos 48.Caused by Unlatched Inner Filter & Abnormally Long Uncoupling Rod.Procedure Rev & QA Coverage Improved to Prevent Future CRD Uncouplings)
• 05000237/LER-1977-014-03, /03X-1 on 770402:during Normal Startup Oper,Crd H-8 Was Found to Uncouple & Overtravel When Withdrawn to Pos 48.Caused by an Unlatched Inner Filter & Abnormally Long Uncoupling Rod  + (/03X-1 on 770402:during Normal Startup Oper,Crd H-8 Was Found to Uncouple & Overtravel When Withdrawn to Pos 48.Caused by an Unlatched Inner Filter & Abnormally Long Uncoupling Rod)
• 05000304/LER-1977-029-03, /03X-1 on 770520:while Attempting to Increase Charging Flow by Closing Charging Pump Flow Valves,Valve 2MOV-VC8111 Failed to Close Fully from Control Room.Caused by Low Setting of Model SMB-00 Operator Motor  + (/03X-1 on 770520:while Attempting to Increase Charging Flow by Closing Charging Pump Flow Valves,Valve 2MOV-VC8111 Failed to Close Fully from Control Room.Caused by Low Setting of Model SMB-00 Operator Motor)
• 05000237/LER-1977-022-03, /03X-1 on 770605:CRD L-5 Uncoupled & Overtraveled When W/Drawn to Pos 48.Caused by Unlatched Inner Filter & Abnormally Long Uncoupling Rod.Procedure Rev & QA Coverage Improved to Prevent Future CRD Uncouplings  + (/03X-1 on 770605:CRD L-5 Uncoupled & Overtraveled When W/Drawn to Pos 48.Caused by Unlatched Inner Filter & Abnormally Long Uncoupling Rod.Procedure Rev & QA Coverage Improved to Prevent Future CRD Uncouplings)
• 05000237/LER-1977-029-03, /03X-1 on 770802:during 1/2 Core Scram Test,Crds F-5 & H-7 Uncoupled When W/Drawn to Position 48.Caused by Unlatched Inner Filter & Abnormally Long Coupling Rod a Pull Test Has Been Incorporated Into Overhaul Procedure  + (/03X-1 on 770802:during 1/2 Core Scram Test,Crds F-5 & H-7 Uncoupled When W/Drawn to Position 48.Caused by Unlatched Inner Filter & Abnormally Long Coupling Rod a Pull Test Has Been Incorporated Into Overhaul Procedure)
• 05000255/LER-1977-064-03, /03X-1 on 771201:during Normal Operation,Hpsi pump-66B Was Removed from Svc W/O Functional Test of Pump Powered from Alternate Electric Bus.Caused by Administrative Oversight  + (/03X-1 on 771201:during Normal Operation,Hpsi pump-66B Was Removed from Svc W/O Functional Test of Pump Powered from Alternate Electric Bus.Caused by Administrative Oversight)
• 05000304/LER-1977-073-03, /03X-1 on 771206:during Normal Operation the 2B Steam Generator Level Indicator 2LT-547 Was Reading High Compared to 2 Redundant Channels.Caused by Sticking Internal Parts  + (/03X-1 on 771206:during Normal Operation the 2B Steam Generator Level Indicator 2LT-547 Was Reading High Compared to 2 Redundant Channels.Caused by Sticking Internal Parts)
• 05000304/LER-1978-076-03, /03X-1 on 771214:pressure Indicator 2PI-534 Was Reading 60 Lb Higher than Lowest Reading Channel.Caused by out-of-tolerance Transmitter 2PT-534  + (/03X-1 on 771214:pressure Indicator 2PI-534 Was Reading 60 Lb Higher than Lowest Reading Channel.Caused by out-of-tolerance Transmitter 2PT-534)
• 05000281/LER-1978-011-03, /03X-1 on 780305:During Normal Full Pwr Oper,There Was No Svc Water Flow Thru Charging Pump Intermediate Seal Cooler 2-SW-E-1B,due to Failure of the Coolers Discharge Gate Valve  + (/03X-1 on 780305:During Normal Full Pwr Oper,There Was No Svc Water Flow Thru Charging Pump Intermediate Seal Cooler 2-SW-E-1B,due to Failure of the Coolers Discharge Gate Valve)
• 05000280/LER-1978-004-03, /03X-1 on 780305:loss of Svc Water Flow Through Charging Pump Intermediate Seal Cooler Was Caused by Corrosion of Stem of Discharge Gate Valve;Corrosion Was Galvanic(Brass Touching Bronze);Problem Will Be Studied  + (/03X-1 on 780305:loss of Svc Water Flow Through Charging Pump Intermediate Seal Cooler Was Caused by Corrosion of Stem of Discharge Gate Valve;Corrosion Was Galvanic(Brass Touching Bronze);Problem Will Be Studied)
• 05000315/LER-1978-023-03, /03X-1 on 780312:during Containment Air Lock Leakage Test on 650 Foot Elevation Inner Door,Door Seal Leakage Rate Exceeded Tech Spec Limit,Caused by Paint Chips on Rubber Seal Which Obstructed Proper Seal on Door  + (/03X-1 on 780312:during Containment Air Lock Leakage Test on 650 Foot Elevation Inner Door,Door Seal Leakage Rate Exceeded Tech Spec Limit,Caused by Paint Chips on Rubber Seal Which Obstructed Proper Seal on Door)
• 05000295/LER-1978-027-03, /03X-1 on 780402:steam Flow Channel 1F522 Failed Low Due to Plugging of High Side Sensing of Transmitter While Sealing Valve Steam Leak.Valve Was Replaced  + (/03X-1 on 780402:steam Flow Channel 1F522 Failed Low Due to Plugging of High Side Sensing of Transmitter While Sealing Valve Steam Leak.Valve Was Replaced)
• 05000316/LER-1978-022-03, /03X-1 on 780407:during Normal Operation,Position Indication for Rods D-12 & H-8 Exceeded +/- 12 Step Limit of Tech Specs.Outputs of Amplifiers That Feed Control Board Indicators Found to Be Incorrect  + (/03X-1 on 780407:during Normal Operation,Position Indication for Rods D-12 & H-8 Exceeded +/- 12 Step Limit of Tech Specs.Outputs of Amplifiers That Feed Control Board Indicators Found to Be Incorrect)
• 05000316/LER-1978-031-03, /03X-1 on 780507:during Normal Operation Between 780507 & 780519 RPI Did Not Meet +/- 12 Step Limit of Tech Specs 22 Times.Caused by Recessed Pins in Connector  + (/03X-1 on 780507:during Normal Operation Between 780507 & 780519 RPI Did Not Meet +/- 12 Step Limit of Tech Specs 22 Times.Caused by Recessed Pins in Connector)
• 05000267/LER-1978-016-03, /03X-1 on 780510:while Oper at 40% Pwr,Moisture Concentrations in Pcrv Exceeded Limits of 4.2.11.Moisture Was Introduced During Previous Loop 1 Shutdown & Collected in Pcrv Insulation  + (/03X-1 on 780510:while Oper at 40% Pwr,Moisture Concentrations in Pcrv Exceeded Limits of 4.2.11.Moisture Was Introduced During Previous Loop 1 Shutdown & Collected in Pcrv Insulation)
• 05000237/LER-1978-033-03, /03X-1 on 780522:during Test Performed on U-2 D/G to Measure Overshoot & Overspeed Setpoint,The Diesel Tripped 4 Times Due to Overspeed Caused by Governor Speed Set Too High  + (/03X-1 on 780522:during Test Performed on U-2 D/G to Measure Overshoot & Overspeed Setpoint,The Diesel Tripped 4 Times Due to Overspeed Caused by Governor Speed Set Too High)
• 05000348/LER-1978-038-03, /03X-1 on 780527:during Unit Startup,B S/G Code Safety Valve Lifted Causing Tavg to Drop Below 541 Degrees F in Violaion of T/S3.1.1.5.Caused by Broken Lower Adjusting Ring Locking Pin.Valve Was Replaced  + (/03X-1 on 780527:during Unit Startup,B S/G Code Safety Valve Lifted Causing Tavg to Drop Below 541 Degrees F in Violaion of T/S3.1.1.5.Caused by Broken Lower Adjusting Ring Locking Pin.Valve Was Replaced)
• 05000315/LER-1978-038-03, /03X-1 on 780623:while in Mode 2,position of Rods C-3,C-13,N-13,H-6,F-8 & K-8 Indicated Deviation of Greater than 12 Steps from Demand Position.Caused by Signal Conditioning Modules  + (/03X-1 on 780623:while in Mode 2,position of Rods C-3,C-13,N-13,H-6,F-8 & K-8 Indicated Deviation of Greater than 12 Steps from Demand Position.Caused by Signal Conditioning Modules)
• 05000315/LER-1978-042-03, /03X-1 on 780710:during Startup Testing,Flux Map Measurement Was Not Processed During Specified Time Limit. Though Flux Map Was Obtained,It Was Not Processed Due to Change in Manpower Requirements  + (/03X-1 on 780710:during Startup Testing,Flux Map Measurement Was Not Processed During Specified Time Limit. Though Flux Map Was Obtained,It Was Not Processed Due to Change in Manpower Requirements)
• 05000280/LER-1978-022-03, /03X-1 on 780726:Hydro Test Pump Failed to Build Up Pressure During Attempt to Fill Safety Injection Accumulators Due to Lifting of Its Relief Valve.Valve Replaced & Checked.Accumulator Refilled  + (/03X-1 on 780726:Hydro Test Pump Failed to Build Up Pressure During Attempt to Fill Safety Injection Accumulators Due to Lifting of Its Relief Valve.Valve Replaced & Checked.Accumulator Refilled)
• 05000338/LER-1978-063-03, /03X-1 on 780728:particulate Filter & Charcoal Filter Were Clogged.Caused by Driving Mechanism of RM-RMS-159 Filter Being Jammed  + (/03X-1 on 780728:particulate Filter & Charcoal Filter Were Clogged.Caused by Driving Mechanism of RM-RMS-159 Filter Being Jammed)
• 05000338/LER-1978-080-03, /03X-1 on 780815: Unidentified Reactor Coolant Leak of 1.93 Gpm Detected & Repaired,But Deviation Rept & LER Were Not Submitted  + (/03X-1 on 780815: Unidentified Reactor Coolant Leak of 1.93 Gpm Detected & Repaired,But Deviation Rept & LER Were Not Submitted)
• 05000304/LER-1978-079-03, /03X-1 on 780901:valve 2FCV-PR24A Did Not Remain Open After Containment Isolation Test,Causing Particulate & Gas Monitors to Be Inoperable.Caused by Misaligned Limit Switch.Switch Adjusted  + (/03X-1 on 780901:valve 2FCV-PR24A Did Not Remain Open After Containment Isolation Test,Causing Particulate & Gas Monitors to Be Inoperable.Caused by Misaligned Limit Switch.Switch Adjusted)
• 05000237/LER-1978-051-03, /03X-1 on 780907:during Surveillance Test Dis 1600-11,valve 2-1601-24 Failed to Operate in Specified Time Limit.Caused by Foreign Matter Lodged in Solenoid Operated 4 Way Valve,Preventing Proper Bleed Off  + (/03X-1 on 780907:during Surveillance Test Dis 1600-11,valve 2-1601-24 Failed to Operate in Specified Time Limit.Caused by Foreign Matter Lodged in Solenoid Operated 4 Way Valve,Preventing Proper Bleed Off)