Pages that link to "05000296/LER-1981-034, Forwards LER 81-034/03L-0"
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The following pages link to 05000296/LER-1981-034, Forwards LER 81-034/03L-0:
Displayed 25 items.
- ML20010A283 (redirect page) (← links)
- ML20010A284 (← links)
- 05000296/LER-1981-034-03, /03L-0:on 810709,RHR Pump 3C Tripped on Ground Overcurrent W/Diesel Generator 3D Out of Svc.Caused by Internal Failure of GE Model three-phase Motor on Stator Resistance & High Potential Tests.Motor Replaced & Tested (← links)
- 05000296/LER-1981-034, Forwards LER 81-034/03L-0 (← links)
- 05000296/LER-1981-034 (redirect page) (← links)
- 05000296/LER-1981-034, Forwards Updated LER 81-034/03X-1 (redirect page) (← links)
- 05000260/LER-1981-001, Forwards LER 81-001/01T-0 (← links)
- ML20062C904 (redirect page) (← links)
- 05000259/LER-1981-072-03, RHR Loop B Discharge Pressure Transmitter 1-PT-74-65 Found Out of Tolerance by 5.9%.Caused by Instrument Drift.Transmitter Recalibr,Tested & Returned to Svc (← links)
- 05000259/LER-1981-072, Forwards Updated LER 81-072/03X-1.Detailed Event Analysis Encl (← links)
- 05000259/LER-1981-071-03, Level Indicating Switch 1-LIS-3-203B Switch 2 Exceeded Tech Spec Limit for Operating Above Vessel Zero.Caused by Calibr Drift.Switch Recalibr & Will Be Replaced W/Electronic Switch Sys (← links)
- 05000259/LER-1981-071, Forwards Updated LER 81-071/03X-1 (← links)
- 05000259/LER-1981-078-03, During Refueling Outage, Continuous Air Monitor 1-RM-90-250 Declared Inoperable for 12 1/2-h.Only Four of Seven Required Hourly Samples Taken & Sampled.Caused by Personnel Error (← links)
- 05000259/LER-1981-078, Forwards Updated LER 81-078/03X-1 (← links)
- 05000259/LER-1981-094-03, /03L-0:on 811226,B Dihydrogen Dioxide Sample Return Pump Tripped & Would Not Reset.Caused by Locked Cam Bearing Due to Misalignment or Insufficient Lubrication. Cams & Cam Bearings Replaced (← links)
- 05000260/LER-1981-069-03, /03L-0:on 811231,scram Discharge Level Switch 2-LS-85-45E (25-gallon Rod Block) Found Inoperable.Cause Not Determined.Switch Replaced & Tested.Investigation Continuing (← links)
- 05000260/LER-1981-069, Forwards LER 81-069/03L-0 (← links)
- 05000296/LER-1981-073-03, /03L-0:on 811222,MSIVs 1-14,1-15,1-27,1-37,1-38 & 1-51 Exceeded Allowable Leak Rate of 11.5 Std Cubic Ft Per Hour.Cause Under Investigation.Valves Will Be Repaired & Retested.Detailed Rept by 820201 (← links)
- 05000259/LER-1981-068-03, /03X-1:on 811106,while Transferring 1B 480-volt Shutdown Board to Normal Per Tech Specs,Normal Breaker Failed to close,de-energizing Board.Caused by Safety Pin Inserted in Push Rod.Board Breaker Replaced (← links)
- 05000260/LER-1981-068-03, /03L-0:on 811211,reactor Low Water Level Switch 2-LIS-3-203D Switch 1 Operated Below Limit.Caused by Switch Calibr Drift.Barton Model 288A Switch Calibr & Returned to Svc.Util Preparing Action Re Design Change (← links)
- 05000260/LER-1981-068, Forwards LER 81-068/03L-0 (← links)
- 05000259/LER-1981-085-03, /03L-0:on 811211,HPCI Suppression Chamber High Level Switches Discovered to Be Set 8 Inches Above Normal Level.Caused by Change to Tech Specs Not Being Reflected in Table 3.2.B.Switches Physically Lowered (← links)
- 05000259/LER-1981-085, Forwards LER 81-085/03L-0 (← links)
- 05000260/LER-1981-065-03, /03L-0:on 811211,HPCI Suppression Chamber High Level Switches Discovered to Be Set 8 Inches Above Normal Level.Caused by Change to Tech Specs Not Being Reflected in Table 3.2.B.Switches Physically Lowered (← links)
- 05000260/LER-1981-065, Forwards LER 81-065/03L-0 (← links)
- 05000259/LER-1981-091-03, /03L-0:on 811220,FCO 31-152 Would Not Open During Performance of SI 4.2.G-2,rendering B Control Room Emergency Ventilation Inoperable.Caused by Failure of Modutrol Motor for Fco 31-152 Due to Open Windings.Motor Replaced (← links)
- 05000296/LER-1981-075-03, /03L-0:on 811221,during Refueling Outage,Level Indicator LI-3-46B Was Out of Calibr.Indicator Could Not Be Calibr Due to Internal Problems.Indicator Replaced (← links)
- 05000259/LER-1981-086-03, /03L-0:on 811210,inspector Discovered That Reactor Water Level Not Being Perturbed on Each of Three Units Following Surveillance Instructions.Caused by Belief That Valving Level Instrument Provided Dynamic Response Check (← links)
- 05000296/LER-1981-075, Forwards LER 81-075/03L-0 (← links)
- 05000259/LER-1981-086, Forwards LER 81-086/03L-0 (← links)
- 05000259/LER-1981-092-03, /03L-0:on 811218,reactor Water Cleanup Sys Floor Drain High Temp Switch on Units 1 & 2 Did Not Meet Seismic Installation Requirements.Caused by Incorrect Installation of Temp Switch.Switch Repaired (← links)
- 05000259/LER-1981-092, Forwards LER 81-092/03L-0 (← links)
- 05000296/LER-1981-074-01, /01T-0:on 811230,2-stage Relief Valves Initially Failed to Lift within Allowable Range During as-found Set Pressure Tests.Cause Under Evaluation.Valves Will Be Reset, Repaired & Retested Prior to Installation (← links)
- 05000296/LER-1981-074, Forwards LER 81-074/01T-0 (← links)
- 05000259/LER-1981-090, Forwards LER 81-090/03L-0 (← links)
- 05000260/LER-1981-058-03, Dw/Torus Differential Pressure Found Less than Tech Spec Limit.No Cause Given. Alarm Setpoint at 1.26 Psi Per Design Instructions.Setpoint Raised to Alert Operator to Start Compressor Manually (← links)
- 05000259/LER-1981-088, Forwards LER 81-088/03L-0 (← links)
- 05000259/LER-1981-089-03, /03L-0:on 811211,while Performing SI 4.9.A-1.a, Suppl A,Diesel Engine D Oversped & Tripped After Fast Start Signal.Caused by Low Oil Level in Governor.Oil Added to Woodard Model 10-C Governor.Maint Procedures to Be Revised (← links)
- 05000259/LER-1981-089, Forwards LER 81-089/03L-0 (← links)
- 05000259/LER-1981-083, Forwards LER 81-083/03L-0 (← links)
- 05000259/LER-1981-084-03, /03L-0:on 811207,during Main Steam Line Low Pressure Calibr & Functional test,1-PS-1-72 Operated Below Tech Spec Limits.Caused by Setpoint Drift.Pressure Switch Recalibr & Design Change Request to Replace Switch Planned (← links)
- 05000259/LER-1981-084, Forwards LER 81-084/03L-0 (← links)
- 05000296/LER-1981-070-03, /03L-0:on 811211,during Normal Operation, HPCI Suppression Chamber High Level Switches Found 8 Inches Above Normal.Caused by Tech Spec Change Revising Normal Water Levels.Level Switches 73-57A & B Lowered (← links)
- 05000296/LER-1981-070, Forwards LER 81-070/03L-0 (← links)
- 05000259/LER-1981-082-03, /03L-0:on 811125,reactor Core Isolation Cooling Declared Inoperable to Replace Differential Pressure Flow Transmitter.Caused by Fluid Leaking from Instrument Bellows Onto Spanning Resistors.Transmitter Replaced (← links)
- 05000259/LER-1981-082, Forwards LER 81-082/03L-0 (← links)
- 05000259/LER-1981-077-03, /03L-0:on 811127,windspeed Recorder at 33 Ft Indicated Hard Upscale.Caused by Failure of Transistor Q3 on Millivolt to Current Card.Transistor Replaced,Recorder Functionally Tested & Indicator Returned to Svc (← links)
- 05000259/LER-1981-080-03, /03L-0:on 811124,reactor Core Isolation Cooling Sys Failed to Pass Pump Flow Rate Requirements During Operability Tests.Caused by Transmitter Amplifier Card Failure.Gemac 1589K75G702 Amplifier Card Replaced (← links)
- 05000259/LER-1981-080, Forwards LER 81-080/03L-0 (← links)
- 05000259/LER-1981-081, Forwards LER 81-081/03L-0 (← links)
- 05000259/LER-1981-074-03, /03L-0:on 811119,containment Atmosphere Dilution Tank Level Indicator a Found to Be 69% Following Calibr. Caused by Instrument Drift.Tank Filled to Greater than 74%. Recurrence Control Not Required (← links)
- 05000296/LER-1981-069, Forwards LER 81-069/03L-0 (← links)
- 05000260/LER-1981-063, Forwards LER 81-063/03L-0 (← links)
- 05000259/LER-1981-087-03, /03L-0:on 811127,smoke Detector Alarmed & Would Not Clear.Caused by Water in Detector from Unknown Source. Detector Replaced (← links)
- 05000259/LER-1981-069-03, /03L-0:on 811114,gaseous Channel of Continuous Air Monitor O-RM-90-252 Read Downscale During Internal Calibr Check of Counting Ratemeter.Caused by Instrument Drift (← links)
- 05000259/LER-1981-069, Forwards LER 81-069/03L-0 (← links)
- 05000260/LER-1981-060, Forwards LER 81-060/03L-0 (← links)
- 05000259/LER-1981-066-03, /03L-0:on 811103,while Performing Special Instruction 4.2.B-69,recirculation Pump a Tripped.Caused by Personnel Error.Personnel Cautioned to Observe Proper Work Practices (← links)
- 05000259/LER-1981-066, Forwards LER 81-066/03L-0 (← links)
- 05000260/LER-1981-061-03, /03L-0:on 811106,during Normal Operation,Nrc Inspector Observed That High Alarm on Drywell Air Sampler Was Set Above 3X Background.Setpoints Reset & Program Established to Determine Setpoint Values (← links)
- 05000260/LER-1981-061, Forwards LER 81-061/03L-0 (← links)
- 05000296/LER-1981-066-03, /03L-0:on 811107,during Refueling Outage,While Performing Reactor Bldg Vent Monitoring Sys Calibr, Continuous Air Monitor 3-RM-90-250 Failed to Pass on Gas & Particulate Channels.Caused by Component Failure (← links)
- 05000296/LER-1981-066, Forwards LER 81-066/03L-0 (← links)
- 05000259/LER-1981-075, Forwards LER 81-075/03L-0 (← links)
- 05000259/LER-1981-067, Forwards LER 81-067/03L-0 (← links)
- 05000296/LER-1981-046-03, 3 EA Rmov Board Motor Generator Set Removed from Svc.Caused by Coupling Failure Due to Loss of Lubricant.Generator to Flywheel Coupling Replaced.Couplings Inspected Weekly for Signs of Leakage (← links)
- 05000296/LER-1981-046, Forwards Updated LER 81-046/03X-1 (← links)
- 05000260/LER-1981-055-03, /03L-0:on 811020,reactor Water Level Switches LIS-3-203C & D6 Switches 1 & 2 Were Out,Of Tolerance.Caused by Setpoint Drift.Switches Recalibr.Switches to Be Replaced W/Analog Transmitters & Trip Units (← links)
- 05000296/LER-1981-063-03, /03L-0:on 811023,during Normal Operation,Air Monitor 3-RM-90-256 Rendered Inoperable for Corrective Maint.Caused by Broken Drive Belt from Normal Wear Due to Continuous Operation.Belt Replaced (← links)
- 05000296/LER-1981-063, Forwards LER 81-063/03L-0 (← links)
- 05000260/LER-1981-057-03, /03L-0:on 811022,during Normal Operation, dihydrogen-dioxide Analyzer B Removed from Svc for Corrective Maint on Noisy Sample Return Pump.Caused by Loose Cam Pump Motor Shaft Due to Loose Key.Pump Replaced (← links)
- 05000260/LER-1981-057, Forwards LER 81-057/03L-0 (← links)
- 05000296/LER-1981-029-03, Fire Protection Preaction Sprinkler Sys for Reactor Bldg Elevations 565-593 & 621 Found Isolated.Caused by Personnel Lack of Familiarity W/ Isolation Valve Operating Characteristics.Valve Opened (← links)
- 05000260/LER-1981-056-03, /03L-0:on 811021,bearings on 2B Dihydrogen Dioxide Sample Return Pump Seized.Pump & Motor Replaced (← links)
- 05000260/LER-1981-056, Forwards LER 81-056/03L-0 (← links)
- 05000260/LER-1981-002-03, /03L-0:on 810102,scram Discharge Instrument Vol Rod Block Level Switch 2-LS-85-45E Found Set at 27 Gallons. Alarm Switch 2-LS-85-45F Found Inoperable.Caused by Drift of Robertshaw Model SL-305-EI-X.Switch Recalibr (← links)
- 05000296/LER-1981-002-03, /03L-0:on 810104,excess Flow Check Valves in B3 & B7 Instrument Lines to Panel 25-7 Would Not Restrict Flow Properly.Cause Not Stated.Internals Changed & SI 4.7.D.1.d Successfully Completed (← links)
- 05000296/LER-1981-065-03, /03L-0:on 811031,RCIC Steam Supply Isolation Valve 3-FCV-71-3 Could Not Be Closed Electrically.Caused by Failed Motor Due to Open Field Winding.Will Replace Motor & Submit Results of Evaluation (← links)
- 05000296/LER-1981-065, Forwards LER 81-065/03L-0 (← links)
- 05000259/LER-1981-064-03, /03L-0:on 811027,switch 1 of Recirculation Discharge Valve Closure & Switch 2 of Cs/Rhr Valve Opening Permissive Were Outside Tech Spec Limits.Caused by Setpoint Drift.Switches Reset.Design Change Request Initiated (← links)
- 05000259/LER-1981-064, Forwards LER 81-064/03L-0 (← links)
- 05000259/LER-1981-065-03, /03L-0:on 811027,containment Atmosphere Dilution Tank a Indicated 3% Below Operable Level.Caused by Leaky Capacitor in Power Supply That Resulted in Output Voltage Drop.Power Supply Replaced & Loop Calibr Verified (← links)
- 05000259/LER-1981-065, Forwards LER 81-065/03L-0 (← links)
- 05000296/LER-1981-064-03, /03L-0:on 811028,A Deuterium Analyzer Was Removed from Svc.Caused by Broken Weld Joint on Gas Divider.Joint Welded (← links)
- 05000296/LER-1981-064, Forwards LER 81-064/03L-0 (← links)
- 05000259/LER-1981-063-03, /03L-0:on 811025,reactor Bldg Torus Vacuum Breaker Valve Found Inoperable W/Indicator Light Out.Caused by Insulation Breakdown That Shorted Relay Coil.Coil Replaced & New Fuse Installed (← links)
- 05000259/LER-1981-063, Forwards LER 81-063/03L-0 (← links)
- 05000296/LER-1981-060-03, /03L-0:on 811012,during Normal Operation,Rhr Sys II Upper Suppression Spray Isolation Valve 3-FCV-74-75 Failed to Open in Required Time Limit.Caused by Worn Lugs on Clutch.Defective Parts Replaced (← links)
- 05000296/LER-1981-060, Forwards LER 81-060/03L-0 (← links)
- 05000260/LER-1981-059-01, /01T-0:on 811030,reactor Low Pressure Switch 1 of PS-3-74A & Switch 1 of PS-68-95 Found Out of Tech Spec. Caused by Setpoint Drift.Setpoints Reset.Design Change Request Initiated to Replace Switches W/Trip Switches (← links)
- 05000260/LER-1981-059, Forwards LER 81-059/01T-0 (← links)
- 05000296/LER-1981-059-03, /03L-0:on 811012,reactor Core Isolation Cooling Sys Valve 3-FCV-71-34 Failed to Close.Caused by Arcing Shield Binding Contactor.Ge 600-volt,FVR,Model IC2800 1607 Contactor Freed & Properly Aligned (← links)
- 05000296/LER-1981-059, Forwards LER 81-059/03L-0 (← links)
- 05000296/LER-1981-058-03, /03L-0:on 811008,diesel Generator 3D Made Inoperable to Replace Blocking Diode in Engine Control Panel Annunication Circuit.Caused by Diode Failure Allowing Generator to Start When Alarm Reset Button Pushed (← links)
- 05000296/LER-1981-058, Forwards LER 81-058/03L-0 (← links)
- 05000259/LER-1981-058, Forwards LER 81-058/03L-0 (← links)
- 05000296/LER-1981-062-03, /03L-0:on 811009,while Performing Diesel Generator Redundant Start Test,Diesel Generator 3C Was Made Inoperable to Calibr Relay PFD1.Caused by Relay Out of Tolerance.Time Delay Relay Replaced & Timed (← links)
- 05000296/LER-1981-062, Forwards LER 81-062/03L-0 (← links)
- 05000260/LER-1981-053, Forwards LER 81-053/03L-0 (← links)
- 05000260/LER-1981-054, Forwards LER 81-054/03L-0 (← links)
- 05000296/LER-1981-057-03, /03L-0:on 811007,reactor Water Level Switch LIS-3-58D Switch 1 Was Found Outside Tech Spec Limits. Caused by Setpoint Drift.Switch Insp,Calibr & Successfully Tested (← links)
- 05000296/LER-1981-061, Forwards LER 81-061/03L-0 (← links)
- 05000260/LER-1981-054-03, /03L-0:on 811010,during Normal Operation,Hydrogen Analyzer B Sample Return Pump Found Inoperable.Caused by Thermal Overload on Pump Trip.Ge Type CR124 Series a Motor Thermal Overload Relay Adjusted (← links)
- 05000259/LER-1981-061-03, /03L-0:on 811010,diesel Generator C Shut Down Prior to Normal Time Frame to Troubleshoot & Time ECR Relay. Cause Undetermined.Ecr Relay Calibr & Time Acceptable (← links)
- 05000259/LER-1981-057-03, /03L-0:on 811004,hydrogen Dioxide Analyzer Sample Return Pump Found Inoperable.Caused by Loose Fan Damaging Windings.Motor Replaced (← links)
- 05000259/LER-1981-057, Forwards LER 81-057/03L-0 (← links)
- 05000259/LER-1981-056-03, /03L-0:810930,while Performing Special Instructions 4.7.D.1B-2,closure Times for MSIVs 1-14,1-26, 1-37 & 1-51 Exceeded Time Limits.Cause Undetermined.Timing of hydro-line Operator Adjusted (← links)
- 05000260/LER-1981-051-03, /03L-0:on 811005,torus Water Level Transmitters 2-LT-64-54 & 2-LT-64-66 Found to Be Out of Required Instrument Accuracy.Caused by Setpoint Drift.Transmitters Recalibr & Returned to Svc (← links)
- 05000259/LER-1981-056, Forwards LER 81-056/03L-0 (← links)
- 05000260/LER-1981-051, Forwards LER 81-051/03L-0 (← links)
- 05000296/LER-1981-055-03, /03L-0:on 811002,while Performing Special Instruction 4.1.A-7,LIS-3-203D Switch 1 Found Out of Tolerance by 0.31 Inches of Water.Caused by Setpoint Drift. Bellows-type Pressure Switch Recalibr (← links)
- 05000296/LER-1981-055, Forwards LER 81-055/03L-0 (← links)
- 05000296/LER-1981-054-03, /03L-0:on 810930,while Performing Special Instructions 4.2.F-10,pressure Switch PS-64-67 Found to Operate at 0.14 Psig Above Limit.Caused by Instrument Drift. Switch Recalibr & Returned to Svc (← links)
- 05000296/LER-1981-054, Forwards LER 81-054/03L-0 (← links)
- 05000296/LER-1981-056-03, /03L-0:on 811003,after Lubrication of 3EA Rmov Motor Generator Set Generator,Set Removed from Svc Due to Increased Vibration & Noise.Caused by Low Lubrication Level. Generator Side of Flywheel Bearing Replaced (← links)
- 05000296/LER-1981-053, Forwards LER 81-053/03L-0 (← links)
- 05000296/LER-1981-056, Forwards LER 81-056/03L-0 (← links)
- 05000260/LER-1981-050-03, /03L-0:on 811003,containment Atmosphere Torus Hydrogen Analyzer 2-H2M-76-104 Removed from Svc for Routine Corrective Maint.Water Found in Sensing Lines & Removed. Followup Rept Will Be Issued by 820120 (← links)
- 05000260/LER-1981-050, Forwards LER 81-050/03L-0 (← links)
- 05000260/LER-1981-045-03, /03L-0:on 810916,during Scram,When Manually Initiated,Hpci Gland Seal Condenser Upper Head Gasket Began Leaking.Caused by Head Gasket Stretching Out of Place Due to Overpressurization.Gasket Replaced (← links)
- 05000260/LER-1981-045, Forwards LER 81-045/03L-0 (← links)
- 05000260/LER-1981-048-03, /03L-0:on 810921,during Normal Operation,Flow Totalizer FQ-68-5 Drifted High Causing Erroneous Flow Indication to Average Power Range Monitor Channels.Caused by Electronic Failure.Totalizer Replaced (← links)
- 05000260/LER-1981-048, Forwards LER 81-048/03L-0 (← links)
- 05000296/LER-1981-050-03, /03L-0:on 810922,during Normal Operation,Generator Coupling on 3EA LPCI MG Set Became Loose.Caused by Slipping of Retainer Ring.Generator Coupling Reassembled & Lubricated (← links)
- 05000296/LER-1981-050, Forwards LER 81-050/03L-0 (← links)
- 05000259/LER-1981-011-01, Analysis Indicated Potential Loss of Primary Containment If Purging Conducted During Hot Standby or Power Operations Concurrent W/Loca. Caused by Potential Failure of Dampers or Ductwork (← links)
- 05000260/LER-1981-047-03, /03L-0:on 810915,instrumentation for Controlling Core Standby Cooling Sys Thermostat at Core Spray Coolers Found Inoperable.Cause Unknown.Overload Relays on Full Voltage non-reversing Magnetic Starter Tripped (← links)
- 05000260/LER-1981-047, Forwards LER 81-047/03L-0 (← links)
- 05000259/LER-1981-054-03, /03L-0:on 810915,during Refueling Outage,Excess Flow Check Valves in Instrument Lines A3 & B3 to Panels 25-7 & 25-57 Would Not Properly Restrict Flow.Caused Not Stated. Valves Removed,Cleaned & Reinstalled (← links)
- 05000259/LER-1981-054, Forwards LER 81-054/03L-0 (← links)
- 05000296/LER-1981-049-03, /03L-0:on 810913,while Performing Redundant Start Test,Diesel Generator 3C Redundant Start Relay PFD1 Time Delay Exceeded 3.2-s.Caused by Relay Drifting Out of Tolerance.Pneumatic Time Delay Relay Successfully Tested (← links)
- 05000296/LER-1981-049, Forwards LER 81-049/03L-0 (← links)
- 05000296/LER-1981-048-03, /03L-0:on 810908,during Normal Operation,Torus Temp Had Erroneous Indication.Caused by Indicator 3-TI-64-55 Calibr Drift (← links)
- 05000296/LER-1981-048, Forwards LER 81-048/03L-0 (← links)
- 05000296/LER-1981-047-03, /03L-0:on 810907,during Normal Operation,Rhr Sys II Drywell Spray Isolation Valve 3-FCV-74-75 Failed to Operate Remotely.Caused by Broken Lug on Worm Shaft Clutch Gear on SMB-2 Limitorque Valve.Clutch Gear Replaced (← links)
- 05000296/LER-1981-047, Forwards LER 81-047/03L-0 (← links)
- 05000260/LER-1981-044-03, /03L-0:on 810913,during Normal operation,hydrogen- Dioxide Analyzer B Sample Return Pump Discovered Inoperable. Caused by Failure of Pump Motor.Motor Repaired & Reinstalled (← links)
- 05000259/LER-1981-053, Forwards LER 81-053/03L-0 (← links)
- 05000259/LER-1981-050-03, /03L-0:on 810903,during Operation,Interlocks for Doors 235 & 221 Failed Causing Breach of Secondary Containment.Caused by Personnel Actions Deactivating Emergency Bypass Pushbuttons (← links)
- 05000259/LER-1981-050, Forwards LER 81-050/03L-0 (← links)
- 05000259/LER-1981-049-03, /03L-0:on 810903,SRM B & D & IRM B & F Found to Have Open Cables in Drywell.Caused by Outage Work in Rod Gallery.Cables Repaired & Channels Returned to Operable Status (← links)
- 05000259/LER-1981-049, Forwards LER 81-049/03L-0 (← links)
- 05000296/LER-1981-045, Forwards LER 81-045/03L-0 (← links)
- 05000296/LER-1981-044-03, /03L-0:on 810830,during Performance of SI 4.1.A-8, Scram Discharge Vol 50-gallon Scram Switch 3-LS-85-45B Failed to Operate.Caused by Inoperable Switch.Switch Float Chamber Backflushed (← links)
- 05000296/LER-1981-044, Forwards LER 81-044/03L-0 (← links)
- 05000260/LER-1981-042-03, /03L-0:on 810803,suppression Chamber High Level Sensors LS-73-57A & LS-73-57B Operated Time Delay Relay 23AK51 at Correct Setpoint But Parameter Sensor Relay 23AK15 Did Not Operate.Probably Caused by Timing Circuitry Failure (← links)
- 05000296/LER-1981-038-03, /03L-0:on 810802,reactor Core Isolation Cooling Steam Supply Isolation Valve 3-FCV-71-3 Could Not Be Electrically Operated.Caused by Open Shunt Field.Motor Replaced (← links)
- 05000296/LER-1981-038, Forwards LER 81-038/03L-0 (← links)
- 05000259/LER-1981-006-03, /03L-0:on 810211,while Performing SI 4.2.B-57,RHR Area Cooling Fan Temp Switch 1-TS-64-68 Failed to Operate. Caused by Switch T675A1540 Failure.Switch Replaced,Calibr & 4.2.B-57 Completed (← links)
- 05000296/LER-1981-052-03, LPCI Motor Generator Set 3EA Alternate Feed for 480-volt Reactor MOV Board 3E Removed to Repair Unstable Voltage Regulator.Caused by Feedback Capacitor C8 Failure (← links)
- 05000259/LER-1981-055-03, /03L-0:on 810927,while Timing New Degraded Voltage Time Delay Relays,Contact on Diesel Generator C Start Relay Failed to Close When Relay Energized.Cause Not Given.Time Delay Relay Replaced (← links)
- 05000259/LER-1981-055, Forwards LER 81-055/03L-0 (← links)
- 05000260/LER-1981-049-03, /03L-0:on 810927,containment Atmosphere Dihydrogen Analyzer Removed from Svc for Maint for Approx 3.5-h.Caused by Tripping of Sample Return Pump Due to Setpoint Drift on Vacuum Switch.Switches Calibr (← links)
- 05000260/LER-1981-049, Forwards LER 81-049/03L-0 (← links)
- 05000259/LER-1981-047-03, /03L-0:on 810822,RHR Svc Water (Rhrswp) Pump Room Flooded Due to Failure of RHRSW Pump A2 Air Vacuum Valve 23- 505 to Seal,Rendering Rhrsw/Eecw Pumps A1,A2 & A3 Inoperable Which Resulted in Inoperability of RHR a Heat Exchan (← links)
- 05000259/LER-1981-047, Forwards LER 81-047/03L-0 (← links)
- 05000259/LER-1981-052, Forwards LER 81-052/03L-0 (← links)
- 05000296/LER-1981-043-03, /03L-0:on 810825,drywell 3-RM-90-256 Continuous Air Monitor Iodine Channel Failed Downscale.Caused by Condensation Plugging Unit Due to Loss of Sample Line Heat Trace from Loose Connection on Thermostat.Trace Repaired (← links)
- 05000259/LER-1981-048-03, /03L-0:on 810828,recirculation Pump Trip Reactor High Pressure Switch 1-PS-3-204B Was Found Above Tech Spec Limit.Caused by Setpoint Drift.Switch Reset (← links)
- 05000259/LER-1981-048, Forwards LER 81-048/03L-0 (← links)
- 05000260/LER-1981-035-01, Scram Discharge Instrument Vol Tank Level Switch 2-LS-85-45F Failed to Operate Per IE Bulletin 80-14 During Maint Outage.Caused by Inoperable Level Switch SL-305-EI-X.Switch Replaced (← links)
- 05000260/LER-1981-035, Forwards Updated LER 81-035/01X-1,per IEB-80-14 (← links)
- 05000259/LER-1981-046, Forwards LER 81-046/03L-0 (← links)
- 05000296/LER-1981-041-03, /03L-0:on 810822,during Startup After Tying Turbine Generator Online,First Process Computer P-1 Was Run. Frp/Cmflpd (R) Calculated to Be Less than Tech Spec Setpoint.Caused by Reactor Starting Up (← links)
- 05000296/LER-1981-041, Forwards LER 81-041/03L-0 (← links)
- 05000259/LER-1981-045-03, /03L-0:on 810819,found That Start Bus Undervoltage Relays Were Out of Svc for Buses 1A & 1B on 810815 W/Unit in Cold Shutdown.Caused by Personnel Error.Relays Reconnected (← links)
- 05000296/LER-1981-039-03, /03L-0:on 810817,during Normal Operation,Turbine First Stage Permissive Switch 3-PS-1-81A Found 3% Above Tech Spec Limit.Caused by Barksdale Bourdon Tube Pressure Switch B2T-A-12SS Setpoint Drift.Switch Reset (← links)
- 05000259/LER-1981-045, Forwards LER 81-045/03L-0.Detailed Event Analysis Encl (← links)
- 05000296/LER-1981-039, Forwards LER 81-039/03L-0 (← links)
- 05000296/LER-1981-042-03, /03L-0:on 810822,while Performing SI 4.1.A-10,main Steam Line Radiation D High Alarm Found 11% Above Tech Spec Limits.Caused by Setpoint Drift.Ge Strip Chart Recorder Setpoint Reset to Proper Value (← links)
- 05000296/LER-1981-040-03, /03L-0:on 810814,fuel Reprocessing Plant/Core Max Fraction of Limiting Power Density Calculated to Be Less than Setpoint.Caused by Xenon Transient During Cold Shutdown.Control Rods Moved (← links)
- 05000296/LER-1981-040, Forwards LER 81-040/03L-0 (← links)
- 05000260/LER-1981-043-01, /01T-0:on 810815,4,160-volt Shutdown Board U-2 Was Made Critical from Cold Condition W/Start Bus Undervoltage Relays Out of Svc for Start Bus 1A.Caused by Personnel Error.Relays Were Reconnected (← links)
- 05000260/LER-1981-043, Forwards LER 81-043/01T-0 (← links)
- 05000259/LER-1981-042-03, /03L-0:on 810722,Unit 1 250-volt Main Battery 1 Removed from Svc.Caused by Need to Bypass Cracked Cell That Allowed Electrolyte Leakage & Electrical Path to Ground.C&D Type LCU-29 amp-hr Battery Cell Replaced (← links)
- 05000259/LER-1981-042, Forwards LER 81-042/03L-0 (← links)
- 05000259/LER-1981-037-01, During Ultrasonic Testing,Indication Confirmed on Vessel Side of Reactor Water Cleanup Sys Inboard Primary Containment Isolation Valve. Cause Unknown.Gate Valve Replaced (← links)
- 05000259/LER-1981-037, Forwards Updated LER 81-037/01X-1.Detailed Event Analysis Encl (← links)
- 05000260/LER-1981-040-03, /03L-0:on 810720,while Valving Reactor Water Level Switch LIS-3-56C Into Svc,Recirculation Pump Tripped & HPCI & Reactor Core Isolation Cooling Initiated.Caused by Open Yarway Valve 4418C.Valve Closed.Personnel Cautioned (← links)
- 05000260/LER-1981-040, Forwards LER 81-040/03L-0 (← links)
- 05000260/LER-1981-037-03, /03L-0:on 810708,value for R Factor Found Out of Limits.Caused by Extenuating Circumstances Delaying Actions Necessary to Maintain Compliance W/Limit.Personnel Briefed on Close Monitoring of R Factor During Startup (← links)
- 05000260/LER-1981-039, Forwards LER 81-039/03L-0 (← links)
- 05000296/LER-1981-037, Forwards LER 81-037/03L-0 (← links)
- 05000259/LER-1981-041-03, /03L-0:on 810722,while Performing Turbine Bldg Vent Monitoring Sys Tests,Operate/Test Switch on Continuous Air Monitor 1-RM-90-249 Would Not Operate.Caused by Equipment Malfunction.Vents & Fans Isolated & Tagged (← links)
- 05000296/LER-1981-034-03, /03L-0:on 810709,RHR Pump 3C Tripped on Ground Overcurrent W/Diesel Generator 3D Out of Svc.Caused by Internal Failure of GE Model three-phase Motor on Stator Resistance & High Potential Tests.Motor Replaced & Tested (← links)
- 05000296/LER-1981-033-03, /03L-0:on 810706,,diesel Generator Redundant Start Relay Time Delay SFD1 Exceeded 4.4-S Test Time.Caused by Pneumatic Time Delay Relay Drifting Out of Tolerance.Relay Timed,Tested & Returned to Svc (← links)
- 05000296/LER-1981-033, Forwards LER 81-033/03L-0 (← links)
- 05000259/LER-1981-035-03, Left Bank Starters Would Not Develop Min Rotational Speed During Testing.Caused by Normal Wear,Dirt & Grit in Air Start Sys.Air Start Motor Replaced (← links)
- 05000259/LER-1981-035, Forwards Updated LER 81-035/03X-1 (← links)
- 05000260/LER-1981-038-03, /03L-0:on 810706,while Moving Equipment Through Equipment Air Lock Door,Door 238 Not Latched Properly When Opposite Door Was Opened,Resulting in Momentary Breach of Secondary Containment.Caused by Personnel Error (← links)
- 05000260/LER-1981-038, Forwards LER 81-038/03L-0 (← links)
- 05000259/LER-1981-032-01, While Performing Surveillance Instruction 4.2.B.8,switches Ps 68-93 & 94 Were Out of Limits of Tech Specs.Caused by Setpoint Drift. Barksdale Model B2T-M12SS Pressure Switches Reset (← links)
- 05000260/LER-1981-035-03, /03L-0:on 810708,while Performing Level Switch Testing,Scram Discharge Instrument Vol Tank Level Switch 2-LS-85-45F Failed to Operate.Caused by Inoperable Robertshaw Level Switch Model SL-305-EI-X.Switch Replaced (← links)
- 05000259/LER-1981-039-03, /03L-0:on 810703,inverter for Alarm Panel XA-55-8E Became Inoperable.Caused by Failure of Inverter Control Card.Card Replaced & Successfully Tested (← links)
- 05000259/LER-1981-039, Forwards LER 81-039/03L-0 (← links)
- 05000260/LER-1981-036-03, /03L-0:on 810707,alarm for Smoke Detectors in Relay Room Was Received & Would Not Clear.Probably Caused by Grounded Wire in Detector or Cable.Kidde Cpd 1201 Detector Replaced (← links)
- 05000260/LER-1981-036, Forwards LER 81-036/03L-0 (← links)
- 05000259/LER-1981-038-03, /03L-0:on 810630,setpoints for Reactor Low Pressure Switches PS-3-74B,PS-68-95 & PS-68-96 Actuated Outside Allowable Limits.Caused by Setpoint Drift.Barton & Barksdale Model Switches Recalibr (← links)
- 05000259/LER-1981-038, Forwards LER 81-038/03L-0 (← links)
- 05000259/LER-1981-033, Forwards LER 81-033/03L-0.Supersedes (← links)
- 05000259/LER-1981-031, Forwards LER 81-031/03L-0 (← links)
- 05000260/LER-1981-027-03, /03L-0:on 810604,during Mod Outage,Switch 2-PdIS-75-56 Was Found Outside Tech Spec Limits.Caused by Setpoint Drift of Barton Model 288 D/P Switch.Switch Recalibr (← links)
- 05000259/LER-1981-040-03, /03L-0:on 810625,during Testing,Grinnell Snubber SS7 Was Found Low on Fluid.Caused by Leak at Threaded Connection Between Fluid Reservoir & Snubber.Grinnell Model F-16200,Size 2.5,Type HSSA-10 Snubber (Sn 10734) Rebuilt (← links)
- 05000259/LER-1981-040, Forwards LER 81-040/03L-0 (← links)