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| 05000213/LER-1980-001-01, /01T-0:on 800103,during Routine Operability Verification Test,Timer for Containment Air Recirculation Fan F 17-3 Failed to Meet Tech Spec Limits.Caused by Four Timers Having Premature time-out Condition.Units Cleaned | /01T-0:on 800103,during Routine Operability Verification Test,Timer for Containment Air Recirculation Fan F 17-3 Failed to Meet Tech Spec Limits.Caused by Four Timers Having Premature time-out Condition.Units Cleaned | |
| 05000213/LER-1980-001, Forwards LER 80-001/01T-0 | Forwards LER 80-001/01T-0 | |
| 05000213/LER-1980-002-03, /03L-0:on 791224,during Mod of Drains in Emergency Diesel Generator 2A Cubical,Conduit Containing Neutral Leads to Transformer Were Cut.Caused by Const Drawings Not Indicating Proper Position of Conduit in Concrete Slab | /03L-0:on 791224,during Mod of Drains in Emergency Diesel Generator 2A Cubical,Conduit Containing Neutral Leads to Transformer Were Cut.Caused by Const Drawings Not Indicating Proper Position of Conduit in Concrete Slab | |
| 05000213/LER-1980-002, Forwards LER 80-002/03L-0 | Forwards LER 80-002/03L-0 | |
| 05000213/LER-1980-003, Forwards LER 80-003/03T-0 | Forwards LER 80-003/03T-0 | |
| 05000213/LER-1980-003-03, /03T-0:on 800129,review of Emergency Diesel Generator Loads Revealed Potential of Diesel Generator Overload Following Loss of Normal Offsite Power & Subsequent Accident.Caused by Failure to Analyze Situation Previously | /03T-0:on 800129,review of Emergency Diesel Generator Loads Revealed Potential of Diesel Generator Overload Following Loss of Normal Offsite Power & Subsequent Accident.Caused by Failure to Analyze Situation Previously | |
| 05000213/LER-1980-004-03, /03L-0:on 800204,while Operating at Steady State Full Power,Power Operated Pressurizer Relief Valve 570 & Isolation Valve MOV-569 Opened.Apparently Caused by Spurious Signal from Pressurize Pressure Control Channel 1 | /03L-0:on 800204,while Operating at Steady State Full Power,Power Operated Pressurizer Relief Valve 570 & Isolation Valve MOV-569 Opened.Apparently Caused by Spurious Signal from Pressurize Pressure Control Channel 1 | |
| 05000213/LER-1980-004, Forwards LER 80-004/03L-0 | Forwards LER 80-004/03L-0 | |
| 05000213/LER-1980-005-03, /03L-0:on 800207,leak Was Discovered in B Boron Waste Storage Tank Thermo Syphon Heater.Caused by Crack in Lower Head to Pipe Weld of Heater.New Lower Head Fabricated & Installed | /03L-0:on 800207,leak Was Discovered in B Boron Waste Storage Tank Thermo Syphon Heater.Caused by Crack in Lower Head to Pipe Weld of Heater.New Lower Head Fabricated & Installed | |
| 05000213/LER-1980-005, Forwards LER 80-005/03L-0 | Forwards LER 80-005/03L-0 | |
| 05000213/LER-1980-006, Forwards LER 80-006/03L-0 | Forwards LER 80-006/03L-0 | |
| 05000213/LER-1980-006-03, /03L-0:on 800306,during Routine Monthly Fan Damper Test,Broken Linkage Coupling Was Found on CAR2 Fan Bypass Damper,Causing Fan to Be Inoperable.Linkage Coupling Was Replaced W/Steel Coupling of Greater Strength | /03L-0:on 800306,during Routine Monthly Fan Damper Test,Broken Linkage Coupling Was Found on CAR2 Fan Bypass Damper,Causing Fan to Be Inoperable.Linkage Coupling Was Replaced W/Steel Coupling of Greater Strength | |
| 05000213/LER-1980-007-03, /03L-0:on 800227,discovered Cracked Drain Line, Allowing Contaminated Water Into Area Where Svc Water Line & Steam Generator Blowdown Line Connect.Caused by Corrosion, Erosion & Lack of Support.Drain Line Sealed Off | /03L-0:on 800227,discovered Cracked Drain Line, Allowing Contaminated Water Into Area Where Svc Water Line & Steam Generator Blowdown Line Connect.Caused by Corrosion, Erosion & Lack of Support.Drain Line Sealed Off | |
| 05000213/LER-1980-007, Forwards LER 80-007/03L-0 | Forwards LER 80-007/03L-0 | |
| 05000213/LER-1980-008-03, /03L-0:on 800226,main Stack Radiation Monitoring Sys Failed Low & Declared Inoperable.Caused by Bent Edge Connection on plug-in Module.Local Sampling & Surveys Taken. Personnel Instructed to Use More Care in Maint | /03L-0:on 800226,main Stack Radiation Monitoring Sys Failed Low & Declared Inoperable.Caused by Bent Edge Connection on plug-in Module.Local Sampling & Surveys Taken. Personnel Instructed to Use More Care in Maint | |
| 05000213/LER-1980-008, Forwards LER 80-008/03L-0 | Forwards LER 80-008/03L-0 | |
| 05000213/LER-1980-009, Forwards LER 80-009/01T-0 | Forwards LER 80-009/01T-0 | |
| 05000213/LER-1980-009-01, /01T-0:on 800516,while Performing Local Leak Rate Testing,Leakage Rate Exceeded Tech Spec Limits.Caused by Failure of Component Cooling Water Check Valve Due to Warped Seating Surface.Surfaces Reworked | /01T-0:on 800516,while Performing Local Leak Rate Testing,Leakage Rate Exceeded Tech Spec Limits.Caused by Failure of Component Cooling Water Check Valve Due to Warped Seating Surface.Surfaces Reworked | |
| 05000213/LER-1980-010-01, /01T-0:on 800621,per IE Bulletin 79-14,five seismic-type Supports Determined Missing from Two Separate HPSI Lines & Two Addl Supports Found W/Excess Gap.Caused by Failure to Install Restraints Required by Piping Drawing | /01T-0:on 800621,per IE Bulletin 79-14,five seismic-type Supports Determined Missing from Two Separate HPSI Lines & Two Addl Supports Found W/Excess Gap.Caused by Failure to Install Restraints Required by Piping Drawing | |
| 05000213/LER-1980-010, Forwards LER 80-010/01T-0 | Forwards LER 80-010/01T-0 | |
| 05000213/LER-1980-011, Forwards LER 80-011/03L-0 | Forwards LER 80-011/03L-0 | |
| 05000213/LER-1980-011-03, /03L-0:on 800801,investigation Revealed That Surveillance Leak Testing of Containment Personnel Hatch Had Not Been Performed Since Refueling Outage.Caused by Personnel Oversight.Computerized Schedule Sys Developed | /03L-0:on 800801,investigation Revealed That Surveillance Leak Testing of Containment Personnel Hatch Had Not Been Performed Since Refueling Outage.Caused by Personnel Oversight.Computerized Schedule Sys Developed | |
| 05000213/LER-1980-012-03, /03L-0:on 800717,during Precritical Checks,Reactor Coolant Pump 2 Seal Water Supply Bypass Valve Stem Bushing Broke,Allowing Valve to Go Full Open.Caused by High Closing Torque & Valve Misapplication.Vendor Will Investigate | /03L-0:on 800717,during Precritical Checks,Reactor Coolant Pump 2 Seal Water Supply Bypass Valve Stem Bushing Broke,Allowing Valve to Go Full Open.Caused by High Closing Torque & Valve Misapplication.Vendor Will Investigate | |
| 05000213/LER-1980-012, Forwards LER 80-012/03L-0 | Forwards LER 80-012/03L-0 | |
| 05000213/LER-1980-014-03, /03L-0:on 800926,during Surveillance Testing of Diesel Fire Pump,Pump Discharge Pressure at 2500 RPM Found Below Tech Spec Limit.Caused by Low Operating RPM of Diesel Motor.Adjustments Made to Increase Motor RPM | /03L-0:on 800926,during Surveillance Testing of Diesel Fire Pump,Pump Discharge Pressure at 2500 RPM Found Below Tech Spec Limit.Caused by Low Operating RPM of Diesel Motor.Adjustments Made to Increase Motor RPM | |
| 05000213/LER-1980-014, Forwards LER 80-014/03L-0 | Forwards LER 80-014/03L-0 | |
| 05000213/LER-1980-015, Forwards LER 80-015/03L-0 | Forwards LER 80-015/03L-0 | |
| 05000213/LER-1980-015-03, /03L-0:on 801020,while Boiling Down Aerated Drains Tank Waste Evaporator in Preparation for Drumming,Level Indication Was Lost.Caused by Failed Gasket on Discharge Piping of Reboiler Pump.Gasket Replaced | /03L-0:on 801020,while Boiling Down Aerated Drains Tank Waste Evaporator in Preparation for Drumming,Level Indication Was Lost.Caused by Failed Gasket on Discharge Piping of Reboiler Pump.Gasket Replaced | |
| 05000213/LER-1980-016, Forwards LER 80-016/03L-0 | Forwards LER 80-016/03L-0 | |
| 05000213/LER-1980-016-03, /03L-0:on 801118,audible & Visual Alarms Indicated Two Dropped Rods & Initiation of Turbine Load Runback.Caused by Badly Burnt Arc Chute & Auxiliary Contacts on One Side of Type MM310 Contactor Rubbing & Impeding Operation | /03L-0:on 801118,audible & Visual Alarms Indicated Two Dropped Rods & Initiation of Turbine Load Runback.Caused by Badly Burnt Arc Chute & Auxiliary Contacts on One Side of Type MM310 Contactor Rubbing & Impeding Operation | |
| 05000213/LER-1980-017, Forwards LER 80-017/03L-0 | Forwards LER 80-017/03L-0 | |
| 05000213/LER-1980-017-03, /03L-0:on 800909,reactor Thermal Power Limit Was Exceeded.Caused by Abnormal Increase in Oil Pressure Due to Sticking Control Valve or Governor.Governor Adjusted & Load Brought Down | /03L-0:on 800909,reactor Thermal Power Limit Was Exceeded.Caused by Abnormal Increase in Oil Pressure Due to Sticking Control Valve or Governor.Governor Adjusted & Load Brought Down | |