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| 05000325/LER-1978-015, Forwards LER 78-015/03L-0 | Forwards LER 78-015/03L-0 | |
| 05000325/LER-1978-015-03, /03L-0 on 780205:during Reactor Recirculation Pump Discharge Valve Cycle Test,Valve B32-F031A Failed in Closed Position Requiring Pump a to Be Secured.Caused by Stuck 42 Auxiliary Contactor.Contractor Realigned | /03L-0 on 780205:during Reactor Recirculation Pump Discharge Valve Cycle Test,Valve B32-F031A Failed in Closed Position Requiring Pump a to Be Secured.Caused by Stuck 42 Auxiliary Contactor.Contractor Realigned | |
| 05000325/LER-1978-039-03, /03L-0 on 780412:during Quarterly HPCI Pump Flow Test,Hpci Turbine Control Valve Was Inoperable.Caused by Corrosion Inside Electro/Mechanical/Hydraulic Actuator Preventing Pilot Valve Plunger from Operating | /03L-0 on 780412:during Quarterly HPCI Pump Flow Test,Hpci Turbine Control Valve Was Inoperable.Caused by Corrosion Inside Electro/Mechanical/Hydraulic Actuator Preventing Pilot Valve Plunger from Operating | |
| 05000325/LER-1978-039, Forwards LER 78-039/03L-0 | Forwards LER 78-039/03L-0 | |
| 05000324/LER-1978-058, Suppl to LER 78-058/03L-1:on 780630,while Performing Penetrant Test 2.1.26PC,I&C Technician Found Pressure Switch B21-PS-N015B Out of Calibr.Caused by Instrument Drift.Switch Recalibr.During Future Outage,Switch Will Be Replace | Suppl to LER 78-058/03L-1:on 780630,while Performing Penetrant Test 2.1.26PC,I&C Technician Found Pressure Switch B21-PS-N015B Out of Calibr.Caused by Instrument Drift.Switch Recalibr.During Future Outage,Switch Will Be Replaced | |
| 05000324/LER-1978-059-03, /03L-0 on 780904:RCIC Isolation Channel a Tripped Momentarily,Causing RCIC Sys to Be Inoper,Due to Defective RX-2 Relay | /03L-0 on 780904:RCIC Isolation Channel a Tripped Momentarily,Causing RCIC Sys to Be Inoper,Due to Defective RX-2 Relay | |
| 05000324/LER-1978-059, Forwards LER 78-059/03L-0 | Forwards LER 78-059/03L-0 | |
| 05000324/LER-1978-064, Forwards LER 78-064/03L-1 | Forwards LER 78-064/03L-1 | |
| 05000324/LER-1978-064-03, /03L-1 on 780820:during Testing 3 Hydraulic Snubbers Found Inoperable.Snubber E11-95SS20 Was Low on fluid,G41-22SS85 Was Mechanically Disconnected & E11-37SS95 Had Cracked Support.Each Was Repaired or Replaced | /03L-1 on 780820:during Testing 3 Hydraulic Snubbers Found Inoperable.Snubber E11-95SS20 Was Low on fluid,G41-22SS85 Was Mechanically Disconnected & E11-37SS95 Had Cracked Support.Each Was Repaired or Replaced | |
| 05000324/LER-1978-066, Forwards LER 78-066/03L-0 | Forwards LER 78-066/03L-0 | |
| 05000324/LER-1978-066-03, /03L-0 on 780904:rod Block Monitor B Inoperative Trip Came on & Stayed on for 1/4 of the Control Rod Selection Matrix.Caused by Failed Integrated Circuit in Rod Block Monitor self-test Circuitry | /03L-0 on 780904:rod Block Monitor B Inoperative Trip Came on & Stayed on for 1/4 of the Control Rod Selection Matrix.Caused by Failed Integrated Circuit in Rod Block Monitor self-test Circuitry | |
| 05000324/LER-1978-068, Forwards LER 78-068/03L-0 | Forwards LER 78-068/03L-0 | |
| 05000324/LER-1978-068-03, /03L-0:on 780912,during LPCI Pump Discharge Pressure Interlock Channel Functional Test,Pressure Switches E11-PS-N016B & E11-PS-N020D Failed to Actuate at 115 Psig. Caused by Corrosion Buildup in Switch Plungers | /03L-0:on 780912,during LPCI Pump Discharge Pressure Interlock Channel Functional Test,Pressure Switches E11-PS-N016B & E11-PS-N020D Failed to Actuate at 115 Psig. Caused by Corrosion Buildup in Switch Plungers | |
| 05000324/LER-1978-069, Forwards LER 78-069/03L-0 | Forwards LER 78-069/03L-0 | |
| 05000325/LER-1978-069, Forwards LER 78-069/03L-1 | Forwards LER 78-069/03L-1 | |
| 05000325/LER-1978-069-03, Ler 78-069/03L-1 on 780716:outboard Main Steamline Drain Isolation Valve B21-F019 Would Not Operate.Caused by Motor Brushes Not Making Proper Contact W/Commutator | Ler 78-069/03L-1 on 780716:outboard Main Steamline Drain Isolation Valve B21-F019 Would Not Operate.Caused by Motor Brushes Not Making Proper Contact W/Commutator | |
| 05000324/LER-1978-069-03, /03L-0:on 780912,fire Alarms Received But Would Not Reset.Fire Detection Instrumentation Inoperable.Caused by Smoke & Dust Resulting from Welding & Operation of Jackhammer.Fire Detectors Cleaned & Repaired | /03L-0:on 780912,fire Alarms Received But Would Not Reset.Fire Detection Instrumentation Inoperable.Caused by Smoke & Dust Resulting from Welding & Operation of Jackhammer.Fire Detectors Cleaned & Repaired | |
| 05000324/LER-1978-070-03, /03L-0:on 780923,reactor Coolant Conductivity Exceeded Tech Spec Requirements.Caused by Restarting RWCU Filter Pump After Pump Tripped,Resulting in Resin Injected Into Reactor Coolant.Rwcu Procedure Will Be Revised | /03L-0:on 780923,reactor Coolant Conductivity Exceeded Tech Spec Requirements.Caused by Restarting RWCU Filter Pump After Pump Tripped,Resulting in Resin Injected Into Reactor Coolant.Rwcu Procedure Will Be Revised | |
| 05000324/LER-1978-070, Forwards LER 78-070/03L-0 | Forwards LER 78-070/03L-0 | |
| 05000324/LER-1978-071-03, /03L-0 on 780924:during RCIC Sys Component Test, Found Throttle Valve E51-v8 in Closed Position.Cause Known | /03L-0 on 780924:during RCIC Sys Component Test, Found Throttle Valve E51-v8 in Closed Position.Cause Known | |
| 05000324/LER-1978-071, Forwards LER 78-071/03L-0 | Forwards LER 78-071/03L-0 | |
| 05000325/LER-1978-071-03, /03L-0 on 780905:during Periodic Test,Radiat Monitor D12-RM-NO10B HI-HI Trip Point Drifted to Higher than Permitted Level.Monitor Recalibrated.Drift Appears to Be Isolated Incident;No Further Action Taken | /03L-0 on 780905:during Periodic Test,Radiat Monitor D12-RM-NO10B HI-HI Trip Point Drifted to Higher than Permitted Level.Monitor Recalibrated.Drift Appears to Be Isolated Incident;No Further Action Taken | |
| 05000325/LER-1978-071, Forwards LER 78-071/03L-0 | Forwards LER 78-071/03L-0 | |
| 05000324/LER-1978-072-03, /03L-0 on 781101:rod Block Monitor(Rbm) Channel a Was Found Out of Calibr During Testing Due to Setpoint Drift.Calibr Frequency Will Be Increased from Once to Twice Per Year | /03L-0 on 781101:rod Block Monitor(Rbm) Channel a Was Found Out of Calibr During Testing Due to Setpoint Drift.Calibr Frequency Will Be Increased from Once to Twice Per Year | |
| 05000324/LER-1978-072, Forwards LER 78-072/03L-0 | Forwards LER 78-072/03L-0 | |
| 05000325/LER-1978-072, Forwards LER 78-072/03L-0 | Forwards LER 78-072/03L-0 | |
| 05000325/LER-1978-072-03, /03L-0 on 780911:Snubber SW-142SS164 Found Inoperable During Periodic Test.Caused by Seal Degradation & Resulting Loss of Fluid | /03L-0 on 780911:Snubber SW-142SS164 Found Inoperable During Periodic Test.Caused by Seal Degradation & Resulting Loss of Fluid | |
| 05000324/LER-1978-073-03, /03L-0:on 780927,condensate deep-bed Demineralizer Conductivity Recorder Found Inoperable During Shift Turnover Insp.Caused by Turning Off Transmitter Due to Mislabeling of on-off Switch Positions | /03L-0:on 780927,condensate deep-bed Demineralizer Conductivity Recorder Found Inoperable During Shift Turnover Insp.Caused by Turning Off Transmitter Due to Mislabeling of on-off Switch Positions | |
| 05000324/LER-1978-073, Forwards LER 78-073/03L-0 | Forwards LER 78-073/03L-0 | |
| 05000325/LER-1978-074, Forwards LER 78-074/03L-0 | Forwards LER 78-074/03L-0 | |
| 05000325/LER-1978-074-03, /03L-0 on 780911:during Monthly 1 Diesel Generator Load Test,It Was Found That 1 Cylinder Was Not Firing,Due to Faulty Fuel Pump | /03L-0 on 780911:during Monthly 1 Diesel Generator Load Test,It Was Found That 1 Cylinder Was Not Firing,Due to Faulty Fuel Pump | |
| 05000324/LER-1978-074-03, /03L-0 on 781112:reactor Steam Dome High Pressure Switch B32-PS-N018B Did Not Reset & Would Not Allow RHR Valve E11-F008 to Open for Shutdown Cooling at Reactor Pressure of 102psig.Caused by Sticking micro-switch | /03L-0 on 781112:reactor Steam Dome High Pressure Switch B32-PS-N018B Did Not Reset & Would Not Allow RHR Valve E11-F008 to Open for Shutdown Cooling at Reactor Pressure of 102psig.Caused by Sticking micro-switch | |
| 05000324/LER-1978-074, Forwards LER 78-074/03l-0 | Forwards LER 78-074/03l-0 | |
| 05000325/LER-1978-075, Forwards LER 78-075/03L-0 | Forwards LER 78-075/03L-0 | |
| 05000324/LER-1978-075-03, /03L-0 on 781122:HPCI & RCIC Component Tests Were Overlooked Because Rescheduling Technique Provided No Clear Indication of Test Due Dates.Responsible Technician Reinstructed & Admin Operating Instruction AOI-5 Rev | /03L-0 on 781122:HPCI & RCIC Component Tests Were Overlooked Because Rescheduling Technique Provided No Clear Indication of Test Due Dates.Responsible Technician Reinstructed & Admin Operating Instruction AOI-5 Rev | |
| 05000324/LER-1978-075, Forwards LER 78-075/03L-0 | Forwards LER 78-075/03L-0 | |
| 05000325/LER-1978-075-03, /03L-0 on 781004:pressure Switch E11-PS-NO16B Failed During Periods Plci Pump Discharges ADS Permissive Test,Due to Corrosion Buildup on Plunger of Switch | /03L-0 on 781004:pressure Switch E11-PS-NO16B Failed During Periods Plci Pump Discharges ADS Permissive Test,Due to Corrosion Buildup on Plunger of Switch | |
| 05000324/LER-1978-076, Forwards LER 78-076/03L-0 | Forwards LER 78-076/03L-0 | |
| 05000324/LER-1978-076-03, /03L-0 on 781202:during Routine Check Noted That Recorder for Chloride Intrusion Monitor Channel CO-CIS-3075- 1 Was Not Indicating.Cause Not Determined at This Time,Will Be Investigated During Next Condensate Sys Outage | /03L-0 on 781202:during Routine Check Noted That Recorder for Chloride Intrusion Monitor Channel CO-CIS-3075- 1 Was Not Indicating.Cause Not Determined at This Time,Will Be Investigated During Next Condensate Sys Outage | |
| 05000325/LER-1978-076-03, /03L-0 on 781011:torus Level Dropped Below Tech Spec Minimum While Water from Torus Was Being Pumped,Via Rgr to Radwaste in Efforts to Reduce Torus Water Level. Caused by Operator Being Distracted | /03L-0 on 781011:torus Level Dropped Below Tech Spec Minimum While Water from Torus Was Being Pumped,Via Rgr to Radwaste in Efforts to Reduce Torus Water Level. Caused by Operator Being Distracted | |
| 05000325/LER-1978-076, Forwards LER 78-076/03L-0 | Forwards LER 78-076/03L-0 | |
| 05000324/LER-1978-077, Forwards LER 78-077/03L-0 | Forwards LER 78-077/03L-0 | |
| 05000325/LER-1978-077-03, /03L-0 on 781006:condensate Storage Tank Level Switch E41-LS-N003 Found Out of Calibration During Periodic Condensate Storage Tank Low Level Channel.Caused by Instru Drift | /03L-0 on 781006:condensate Storage Tank Level Switch E41-LS-N003 Found Out of Calibration During Periodic Condensate Storage Tank Low Level Channel.Caused by Instru Drift | |
| 05000325/LER-1978-077, Forwards LER 78-077/03L-0 | Forwards LER 78-077/03L-0 | |
| 05000324/LER-1978-077-03, /03L-0 on 781215:during test,E41-DPIS-N005 Failed to Operate.Caused by Inoperable Relay Due to Faulty Maintenance Work;Relay Wire Was Left Unterminated | /03L-0 on 781215:during test,E41-DPIS-N005 Failed to Operate.Caused by Inoperable Relay Due to Faulty Maintenance Work;Relay Wire Was Left Unterminated | |
| 05000325/LER-1978-078, Forwards LER 78-078/03L-0 | Forwards LER 78-078/03L-0 | |
| 05000324/LER-1978-078, Forwards LER 78-078/03L-0 | Forwards LER 78-078/03L-0 | |
| 05000324/LER-1978-078-03, /03L-0 on 781204:snubber Piston Shaft on Snubber 2SW-174SS174 Was Found Unscrewed from Rod Eye,Making Snubber Inoperable.No Cause Could Be Discerned | /03L-0 on 781204:snubber Piston Shaft on Snubber 2SW-174SS174 Was Found Unscrewed from Rod Eye,Making Snubber Inoperable.No Cause Could Be Discerned | |
| 05000325/LER-1978-078-03, /03L-0 on 781105:Control Oper Received Control Rod Drift Alarm for Rod 10-31.When Rod Position Display Was Selected,A False 3 Was Superimposed on Actual Rod Position Due to Aground on the Rpls Probe | /03L-0 on 781105:Control Oper Received Control Rod Drift Alarm for Rod 10-31.When Rod Position Display Was Selected,A False 3 Was Superimposed on Actual Rod Position Due to Aground on the Rpls Probe | |
| 05000324/LER-1978-079-03, /03L-0 on 781017:reactor Bldg Radiat Exhaust Monitor D12-RM-N010B Failed Safe Causing Reactor Bldg Vent to Isolate,Due to Defective Transistor 2N1711 on 24V Pwr Supply | /03L-0 on 781017:reactor Bldg Radiat Exhaust Monitor D12-RM-N010B Failed Safe Causing Reactor Bldg Vent to Isolate,Due to Defective Transistor 2N1711 on 24V Pwr Supply | |
