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| 05000348/LER-1980-001-03, /03L-0:on 800106,fuel Storage Pool Area Radiation Monitor Declared Inoperable Due to hi-alarm Being Set Above Tech Specs.Caused by Setpoint Drift.Instrument Recalibr | /03L-0:on 800106,fuel Storage Pool Area Radiation Monitor Declared Inoperable Due to hi-alarm Being Set Above Tech Specs.Caused by Setpoint Drift.Instrument Recalibr | |
| 05000364/LER-1980-001, Forwards LER 80-001/01T-0 | Forwards LER 80-001/01T-0 | |
| 05000364/LER-1980-001-01, /01T-0:on 801112,water for Lubrication & Cooling of a Train Svc Water Pumps Found to Be Provided by B Train Svc Water Header & Vice Versa.Caused by Design Error.Design Change to Provide Correct Separation Completed | /01T-0:on 801112,water for Lubrication & Cooling of a Train Svc Water Pumps Found to Be Provided by B Train Svc Water Header & Vice Versa.Caused by Design Error.Design Change to Provide Correct Separation Completed | |
| 05000348/LER-1980-002, Forwards LER 80-002/03L-0 & 80-004/03L-0 | Forwards LER 80-002/03L-0 & 80-004/03L-0 | |
| 05000348/LER-1980-002-03, /03L-0:on 800109,while Taking Control Room Log Readings,Day Tank Level for Diesel Generator 1C Found to Be Approx 605 Gallons,Below Tech Spec Limit.Caused by Defective Switch on Transfer Pump.Switch Repaired | /03L-0:on 800109,while Taking Control Room Log Readings,Day Tank Level for Diesel Generator 1C Found to Be Approx 605 Gallons,Below Tech Spec Limit.Caused by Defective Switch on Transfer Pump.Switch Repaired | |
| 05000364/LER-1980-002, Forwards LER 80-002/01T-0 | Forwards LER 80-002/01T-0 | |
| 05000364/LER-1980-002-01, /01T-0:on 801126,during Insp on Msivs,Damage to Valve Disc Bolt Holes & Disc Arm Bolting on Three Downstream MSIVs Discovered.Caused by Design Deficiency.Design Change Will Be Implemented Prior to Initial Startup | /01T-0:on 801126,during Insp on Msivs,Damage to Valve Disc Bolt Holes & Disc Arm Bolting on Three Downstream MSIVs Discovered.Caused by Design Deficiency.Design Change Will Be Implemented Prior to Initial Startup | |
| 05000348/LER-1980-003-03, /03L-0:on 800104,determined Surveillance Test FNP-1-STP-109 Re Power Range Neutron Flux Channel Calibr Not Performed During Required Interval.Caused by Personnel Error.Test Performed & Personnel Instructed | /03L-0:on 800104,determined Surveillance Test FNP-1-STP-109 Re Power Range Neutron Flux Channel Calibr Not Performed During Required Interval.Caused by Personnel Error.Test Performed & Personnel Instructed | |
| 05000364/LER-1980-003, Forwards LER 80-003/01T-0 | Forwards LER 80-003/01T-0 | |
| 05000364/LER-1980-003-01, /01T-0:on 801209,concrete Block Walls Found Not to Meet Seismic Operational Requirements.Caused by Omission of Portions of Vertical Reinforcing &/Or Accompanying Grout Per Original Drawing.Corrections to Be Approved | /01T-0:on 801209,concrete Block Walls Found Not to Meet Seismic Operational Requirements.Caused by Omission of Portions of Vertical Reinforcing &/Or Accompanying Grout Per Original Drawing.Corrections to Be Approved | |
| 05000348/LER-1980-004-03, /03L-0:on 800109 & 11,radiation Monitor R25B Was Inoperable Due to Drive Belt Coming Off Pump.No Cause Stated.In Both Cases,Belts Replaced & Bolt Tension/Alignment Adjusted | /03L-0:on 800109 & 11,radiation Monitor R25B Was Inoperable Due to Drive Belt Coming Off Pump.No Cause Stated.In Both Cases,Belts Replaced & Bolt Tension/Alignment Adjusted | |
| 05000348/LER-1980-005-03, /03L-0:on 800118,during Solid State Protection Sys Operability Test on B Train SSPS,1B Steam Generator Level Logic Failed Logic Test Requirements.Caused by Failed Universal Card in B Train Ssps | /03L-0:on 800118,during Solid State Protection Sys Operability Test on B Train SSPS,1B Steam Generator Level Logic Failed Logic Test Requirements.Caused by Failed Universal Card in B Train Ssps | |
| 05000348/LER-1980-005, Forwards LER 80-005/03L-0 | Forwards LER 80-005/03L-0 | |
| 05000348/LER-1980-006-03, /03L-0:on 800126,containment Atmosphere Particulate Radioactivity Monitoring Sys Was Declared Inoperable Due to Filter Paper Not Advancing.Caused by Fouling of Paper Drive Motor W/Carbon Dust.Motor Cleaned | /03L-0:on 800126,containment Atmosphere Particulate Radioactivity Monitoring Sys Was Declared Inoperable Due to Filter Paper Not Advancing.Caused by Fouling of Paper Drive Motor W/Carbon Dust.Motor Cleaned | |
| 05000348/LER-1980-007-03, /03L-0:on 800202,during Train B Diesel Generator Loss of Sys Pressure Test,Svc Water Pump 1D Failed to Auto Start & Would Not Manually Start.Caused by Test Equipment Short Circuiting Sequencer Relay Contacts.Equipment Remove | /03L-0:on 800202,during Train B Diesel Generator Loss of Sys Pressure Test,Svc Water Pump 1D Failed to Auto Start & Would Not Manually Start.Caused by Test Equipment Short Circuiting Sequencer Relay Contacts.Equipment Removed | |
| 05000348/LER-1980-008-03, /03L-0:on 800203,during Hydraulic Snubber Visual Surveillance Test,Component Cooling Water Snubber CW4-R121 Was Declared Inoperable Due to Disconnection of Reservoir Line.Caused by Personnel Error.Reservoir Line Reconnected | /03L-0:on 800203,during Hydraulic Snubber Visual Surveillance Test,Component Cooling Water Snubber CW4-R121 Was Declared Inoperable Due to Disconnection of Reservoir Line.Caused by Personnel Error.Reservoir Line Reconnected | |
| 05000348/LER-1980-009-03, /03L-0:on 800201,during Loss of Offsite Power Surveillance Test,Output Breaker for Diesel Generator 1B Failed to Auto Close.Caused by Misaligned Mechanism Operated Contact Switch.Switch Realigned | /03L-0:on 800201,during Loss of Offsite Power Surveillance Test,Output Breaker for Diesel Generator 1B Failed to Auto Close.Caused by Misaligned Mechanism Operated Contact Switch.Switch Realigned | |
| 05000348/LER-1980-010-03, /03L-0:on 800201,during Train a Diesel Generator Loss of Sys Pressure Test,Flow Control Valves Failed to Open Automatically on Pump Auto Start.Caused by Misaligned Mechanism Operated Contact Switch.Switch Realigned | /03L-0:on 800201,during Train a Diesel Generator Loss of Sys Pressure Test,Flow Control Valves Failed to Open Automatically on Pump Auto Start.Caused by Misaligned Mechanism Operated Contact Switch.Switch Realigned | |
| 05000348/LER-1980-011-03, /03L-0:on 800202,during Safety Injection W/Loss of Sys Pressure Test W/Bubble in Pressurizer,Containment Isolation Valve 1-SW-MOV-3134 Failed to Close Fully.Caused by Motor Control Ctr Breaker Thermal Overload Trip | /03L-0:on 800202,during Safety Injection W/Loss of Sys Pressure Test W/Bubble in Pressurizer,Containment Isolation Valve 1-SW-MOV-3134 Failed to Close Fully.Caused by Motor Control Ctr Breaker Thermal Overload Trip | |
| 05000348/LER-1980-012-03, /03L-0:on 800201,during a Train Loss of Offsite Power test,1B Component Cooling Water Pump Failed to Auto Start.Caused by Improper Positioning of 1C CCW Pump Handswitch.Switch Correctly Positioned & Test Completed | /03L-0:on 800201,during a Train Loss of Offsite Power test,1B Component Cooling Water Pump Failed to Auto Start.Caused by Improper Positioning of 1C CCW Pump Handswitch.Switch Correctly Positioned & Test Completed | |
| 05000348/LER-1980-013-03, /03L-0:on 800202,during Safety Injection W/Loss of Sys Pressure Test W/Bubble in Pressurizer,Containment Isolation Valve 1-CCW-HV-3095 Did Not Fully Close.Caused by Handwheel Outside Neutral Position.Handwheel Adjusted | /03L-0:on 800202,during Safety Injection W/Loss of Sys Pressure Test W/Bubble in Pressurizer,Containment Isolation Valve 1-CCW-HV-3095 Did Not Fully Close.Caused by Handwheel Outside Neutral Position.Handwheel Adjusted | |
| 05000348/LER-1980-014-03, /03L-0:on 800214,while Testing Control Grade Auto Start Feature,A & B Mdaf Pumps Failed to Auto Start on Loss of Main Feedwater Pump Test Signal.Caused by Inadequate Design Change Control.Design Review Strengthened | /03L-0:on 800214,while Testing Control Grade Auto Start Feature,A & B Mdaf Pumps Failed to Auto Start on Loss of Main Feedwater Pump Test Signal.Caused by Inadequate Design Change Control.Design Review Strengthened | |
| 05000348/LER-1980-015-03, /03L-0:on 800217,after Tying Main Generator Onto Grid,Deh Sys Malfunctioned Causing Load Increase,Resulting in Avg Decreasing to 539 F.Cause Under Investigation.Deh Placed in Manual to Stop Load Increase | /03L-0:on 800217,after Tying Main Generator Onto Grid,Deh Sys Malfunctioned Causing Load Increase,Resulting in Avg Decreasing to 539 F.Cause Under Investigation.Deh Placed in Manual to Stop Load Increase | |
| 05000348/LER-1980-016-03, /03L-0:on 800215,while Performing Surveillance Test Procedure FNP-1-STP-22.17,TDAFWP Thrust Bearing Exceeded 160F.Caused by High Bearing Oil Level After Maint on Thrust Bearing.Oiler Assembly Repositioned | /03L-0:on 800215,while Performing Surveillance Test Procedure FNP-1-STP-22.17,TDAFWP Thrust Bearing Exceeded 160F.Caused by High Bearing Oil Level After Maint on Thrust Bearing.Oiler Assembly Repositioned | |
| 05000348/LER-1980-017-03, /03L-0:on 800222,while Manually Starting Turbine Driven Auxiliary Feedwater Pump,Turbine Tripped on Overspeed.Caused by Limit Switch Being Out of Adjustment. Limit Switch Adjusted & Feedwater Pump Returned to Svc | /03L-0:on 800222,while Manually Starting Turbine Driven Auxiliary Feedwater Pump,Turbine Tripped on Overspeed.Caused by Limit Switch Being Out of Adjustment. Limit Switch Adjusted & Feedwater Pump Returned to Svc | |
| 05000348/LER-1980-018-03, /03L-0:on 800229,bistable Associated W/Pressure Transmitter 457,failed to Meet Trip Setpoint Requirements of Surveillance Test FNP-1-STP-201.6.Caused by Dirty Gain Potentiometer for Lead/Lag Controller.Potentiometer Cleaned | /03L-0:on 800229,bistable Associated W/Pressure Transmitter 457,failed to Meet Trip Setpoint Requirements of Surveillance Test FNP-1-STP-201.6.Caused by Dirty Gain Potentiometer for Lead/Lag Controller.Potentiometer Cleaned | |
| 05000348/LER-1980-019-03, /03L-0:on 800229,during Performance of Control Room Train A(B) Ventilation Operability Test,Recirculation Fan 1B Failed to Start.Caused by Blown Control Power Fuse & Shorted Alarm Relay Coil.Coil & Fuse Replaced | /03L-0:on 800229,during Performance of Control Room Train A(B) Ventilation Operability Test,Recirculation Fan 1B Failed to Start.Caused by Blown Control Power Fuse & Shorted Alarm Relay Coil.Coil & Fuse Replaced | |
| 05000348/LER-1980-020-03, /03L-0:on 800303,inaccurate Pressure Signal Noted from PT-494,1C S/G Pressure Transmitter.Caused by Frozen Sensing Line Due to Abnormally Cold Weather & Insufficient Protection.Sensing Line Thawed & Channel Check Performed | /03L-0:on 800303,inaccurate Pressure Signal Noted from PT-494,1C S/G Pressure Transmitter.Caused by Frozen Sensing Line Due to Abnormally Cold Weather & Insufficient Protection.Sensing Line Thawed & Channel Check Performed | |
| 05000348/LER-1980-021, Forwards LER 80-021/03L-0 & Updated LER 79-056/03L-1 | Forwards LER 80-021/03L-0 & Updated LER 79-056/03L-1 | |
| 05000348/LER-1980-021-03, /03L-0:on 800316,during Review of Surveillance Test Schedule,Found FNP-1-STP-9.0,RCS Leakage Test Had Not Been Performed within Time Interval.Cause Not Stated. Personnel Instructed Re Test Interval | /03L-0:on 800316,during Review of Surveillance Test Schedule,Found FNP-1-STP-9.0,RCS Leakage Test Had Not Been Performed within Time Interval.Cause Not Stated. Personnel Instructed Re Test Interval | |
| 05000348/LER-1980-022-03, /03L-0:on 800303,during Performance of FNP-1-STP-16.7,discharge Valve to Containment Spray Header Did Not Open as Required.Cause Not Determined.Problem Did Not Reoccur W/Testing.Surveillance Test Completed | /03L-0:on 800303,during Performance of FNP-1-STP-16.7,discharge Valve to Containment Spray Header Did Not Open as Required.Cause Not Determined.Problem Did Not Reoccur W/Testing.Surveillance Test Completed | |
| 05000348/LER-1980-023-03, /03L-0:on 800329,boron Injection Tank Declared Inoperable Due to Lack of Recirculation Flow.Caused by Boron Crystal Formation in Recirculation Pump 1A Suction Line. Line Was Cleared.Tank Was Returned to Svc | /03L-0:on 800329,boron Injection Tank Declared Inoperable Due to Lack of Recirculation Flow.Caused by Boron Crystal Formation in Recirculation Pump 1A Suction Line. Line Was Cleared.Tank Was Returned to Svc | |
| 05000348/LER-1980-023, Forwards LER 80-023/03L-0 | Forwards LER 80-023/03L-0 | |
| 05000348/LER-1980-024-03, /03L-0:on 800330,while Performing Turbine Startup, 1B SGFP Tripped Due to 1B Steam Generator High Level Signal. Caused by Poor Communication Between Plant Operators. Personnel Instructed Re Maintaining Proper Communication | /03L-0:on 800330,while Performing Turbine Startup, 1B SGFP Tripped Due to 1B Steam Generator High Level Signal. Caused by Poor Communication Between Plant Operators. Personnel Instructed Re Maintaining Proper Communication | |
| 05000348/LER-1980-024, Forwards LER 80-024/03L-0 | Forwards LER 80-024/03L-0 | |
| 05000348/LER-1980-025-03, /03L-0:on 800331,0407 & 22,diesel Generator 1C Started & Reached Rated Speeds in Excess of Tech Spec Requirement.Lube Oil Sump Temp Below 120-130 F Range Was Only Abnormal Condition Found.Cause Under Investigation | /03L-0:on 800331,0407 & 22,diesel Generator 1C Started & Reached Rated Speeds in Excess of Tech Spec Requirement.Lube Oil Sump Temp Below 120-130 F Range Was Only Abnormal Condition Found.Cause Under Investigation | |
| 05000348/LER-1980-025, Forwards LER 80-025/03L-0 | Forwards LER 80-025/03L-0 | |
| 05000348/LER-1980-026-03, /03L-0:on 800405,erroneous Temp Change Alarm Was Received.Upon investigation,lead-lag Card in Circuit Found to Have Unstable Output.Cause unstated.Lead-lag Card Replaced | /03L-0:on 800405,erroneous Temp Change Alarm Was Received.Upon investigation,lead-lag Card in Circuit Found to Have Unstable Output.Cause unstated.Lead-lag Card Replaced | |
| 05000348/LER-1980-027-03, /03L-0:on 800408,during Surveillance Test,Turbine First Stage Pressure Bistable PB447E Found to Trip,At Value Less than Tech Spec 3.3.2.1 Limit.Caused by Instrument Setpoint Drift.Loop Power Supply Card Adjusted | /03L-0:on 800408,during Surveillance Test,Turbine First Stage Pressure Bistable PB447E Found to Trip,At Value Less than Tech Spec 3.3.2.1 Limit.Caused by Instrument Setpoint Drift.Loop Power Supply Card Adjusted | |
| 05000348/LER-1980-028, Forwards LER 80-028/03L-0 | Forwards LER 80-028/03L-0 | |
| 05000348/LER-1980-028-03, /03L-0:on 800424,during Test Start,Diesel Generator 1B Started W/O Output Voltage Indication,Tripping Generator on Overspeed.Caused by Two Blown Fuses.Fuses Replaced & Generator Returned to Svc | /03L-0:on 800424,during Test Start,Diesel Generator 1B Started W/O Output Voltage Indication,Tripping Generator on Overspeed.Caused by Two Blown Fuses.Fuses Replaced & Generator Returned to Svc | |
| 05000348/LER-1980-029-03, /03L-0:on 800430,intermediate Range Nis Channel N-35 Declared Inoperable Due to Loss of Power.Caused by Loose Terminal Screw on 120-volt Vital Ac Panel 1A Molded Case Breaker.Wire Reconnected | /03L-0:on 800430,intermediate Range Nis Channel N-35 Declared Inoperable Due to Loss of Power.Caused by Loose Terminal Screw on 120-volt Vital Ac Panel 1A Molded Case Breaker.Wire Reconnected | |
| 05000348/LER-1980-030-03, /03L-0:on 800501,radiation Monitor R25A (Fuel Storage Pool Area) Declared Inoperable Due to Power Loss. Caused by Blown Fuse.Connecting & Disconnecting Test Equipment Cause for Blown Fuse.Fuse Replaced | /03L-0:on 800501,radiation Monitor R25A (Fuel Storage Pool Area) Declared Inoperable Due to Power Loss. Caused by Blown Fuse.Connecting & Disconnecting Test Equipment Cause for Blown Fuse.Fuse Replaced | |
| 05000348/LER-1980-031-03, /03L-0:on 800511,digital Rod Position Indication Sys (Drpi) Declared Inoperable Following Loss of Train a & B Drpi.Caused by Loss of Drpi Indication During Trouble Shooting.Train a Returned to Svc Following Card Replacement | /03L-0:on 800511,digital Rod Position Indication Sys (Drpi) Declared Inoperable Following Loss of Train a & B Drpi.Caused by Loss of Drpi Indication During Trouble Shooting.Train a Returned to Svc Following Card Replacement | |
| 05000348/LER-1980-031, Forwards LER 80-031/03L-0 | Forwards LER 80-031/03L-0 | |
| 05000348/LER-1980-032, Forwards LER 80-032/03L-0 & LER 80-033/03L-0 | Forwards LER 80-032/03L-0 & LER 80-033/03L-0 | |
| 05000348/LER-1980-032-03, /03L-0:on 800515,both Chlorine Detectors Were Inoperable.Caused by Plastic Strip Lodged in B Detector & Cracked Diaphragm in a Detector.Strip Removed & B Made Operable on 800515.Pump Replaced & a Operable on 800516 | /03L-0:on 800515,both Chlorine Detectors Were Inoperable.Caused by Plastic Strip Lodged in B Detector & Cracked Diaphragm in a Detector.Strip Removed & B Made Operable on 800515.Pump Replaced & a Operable on 800516 | |
| 05000348/LER-1980-033-03, /03L-0:on 800516,1-2A Diesel Generator Declared Inoperable Due to Speed Control Failure.Caused by Personnel Error in Installing Dc Recorder Which Blew Ac Fuse.Fuse Replaced,Personnel Instructed | /03L-0:on 800516,1-2A Diesel Generator Declared Inoperable Due to Speed Control Failure.Caused by Personnel Error in Installing Dc Recorder Which Blew Ac Fuse.Fuse Replaced,Personnel Instructed | |
| 05000348/LER-1980-034-03, /03L-0:on 800519,diesel Generator 1C Was Declared Inoperable When Generator Failed to Reach Rated Speed within Time Specified by Tech Spec.Probably Caused by Leaky Check Valve in Fuel Oil Sys.Valve Replaced | /03L-0:on 800519,diesel Generator 1C Was Declared Inoperable When Generator Failed to Reach Rated Speed within Time Specified by Tech Spec.Probably Caused by Leaky Check Valve in Fuel Oil Sys.Valve Replaced | |
| 05000348/LER-1980-035-03, /03L-0:on 800519,diesel Generator 2C Would Not auto-start & Was Declared Inoperable.Caused by Switch Being Inadvertently Placed in Run Position Rather than Auto Position.Switch Placed in Auto | /03L-0:on 800519,diesel Generator 2C Would Not auto-start & Was Declared Inoperable.Caused by Switch Being Inadvertently Placed in Run Position Rather than Auto Position.Switch Placed in Auto | |
