| | | Reporting criterion |
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| 05000254/LER-1982-001-03, /03L-0:on 820113,during Routine Calibr of ECCS Level Switches,Switch LIS-1-263-72A Was Damaged.Caused by Instrument Personnel Not Being Familiar W/Tech Spec Requirements for Switches.Switch Repaired | /03L-0:on 820113,during Routine Calibr of ECCS Level Switches,Switch LIS-1-263-72A Was Damaged.Caused by Instrument Personnel Not Being Familiar W/Tech Spec Requirements for Switches.Switch Repaired | |
| 05000254/LER-1982-001, Forwards LER 82-001/03L-0 | Forwards LER 82-001/03L-0 | |
| 05000265/LER-1982-001, Forwards LER 82-001/01T-0 | Forwards LER 82-001/01T-0 | |
| 05000265/LER-1982-001-01, /01T-0:on 820115,during Drywell Entry,Small Leak Discovered on Reactor Water Cleanup Sys Suction Line Between Inboard Isolation Valve & Drywell Penetration.Stress Corrosion Cracking Postulated as Cause | /01T-0:on 820115,during Drywell Entry,Small Leak Discovered on Reactor Water Cleanup Sys Suction Line Between Inboard Isolation Valve & Drywell Penetration.Stress Corrosion Cracking Postulated as Cause | |
| 05000254/LER-1982-002-03, /03L-0:on 820202,after Completion of 1/2 Emergency Diesel Generator Monthly Preventive maint,failure-to-start Alarm Sounded When Diesel Was Started.Caused by Bent Insulator Card Next to Engine Starting & Control Relay | /03L-0:on 820202,after Completion of 1/2 Emergency Diesel Generator Monthly Preventive maint,failure-to-start Alarm Sounded When Diesel Was Started.Caused by Bent Insulator Card Next to Engine Starting & Control Relay | |
| 05000254/LER-1982-002, Forwards LER 82-002/03L-0 | Forwards LER 82-002/03L-0 | |
| 05000265/LER-1982-002, Forwards LER 82-002/03L-0 | Forwards LER 82-002/03L-0 | |
| 05000265/LER-1982-002-03, /03L-0:on 820126,main Steam Line Low Pressure Switch PS-2-261-30D Found to Trip at 794 Psig.Caused by Instrument Drift.Switch Recalibr | /03L-0:on 820126,main Steam Line Low Pressure Switch PS-2-261-30D Found to Trip at 794 Psig.Caused by Instrument Drift.Switch Recalibr | |
| 05000265/LER-1982-003-03, /03L-0:on 820224,differential Pressure Switch DPIS 2-1360-1B+ Failed to Operate.Caused by Instrument Drift.Switch Recalibr & Tested Satisfactorily | /03L-0:on 820224,differential Pressure Switch DPIS 2-1360-1B+ Failed to Operate.Caused by Instrument Drift.Switch Recalibr & Tested Satisfactorily | |
| 05000265/LER-1982-003, Forwards LER 82-003/03L-0 | Forwards LER 82-003/03L-0 | |
| 05000265/LER-1982-003-01, /01T-0:on 820223,while Performing Reactor Vessel Hydrostatic Pressure Test,Leak Found in Control Rod Drive. Cause Undetermined.Fillet Weld Made Around Withdrawal Line at Point of Entry to Flange & CRD Returned to Svc | /01T-0:on 820223,while Performing Reactor Vessel Hydrostatic Pressure Test,Leak Found in Control Rod Drive. Cause Undetermined.Fillet Weld Made Around Withdrawal Line at Point of Entry to Flange & CRD Returned to Svc | |
| 05000254/LER-1982-003-03, /03L-0:on 820205,comparison of Control Room & Local Sightglass Indications of Suppression Pool Level Disparity of 0.5 Inch.Actual Level as Indicated by Sightglass Was Below Tech Specs | /03L-0:on 820205,comparison of Control Room & Local Sightglass Indications of Suppression Pool Level Disparity of 0.5 Inch.Actual Level as Indicated by Sightglass Was Below Tech Specs | |
| 05000254/LER-1982-003, Forwards LER 82-003/03L-0 | Forwards LER 82-003/03L-0 | |
| 05000254/LER-1982-004-03, /03L-0:on 820307,reactor Core Isolation Cooling Steam Line Was Isolated When High Steam Line Differential Pressure Alarm Received.Caused by Instrument Drift of Pressure Switch DPIS-1-1360-1A.Switch Recalibr | /03L-0:on 820307,reactor Core Isolation Cooling Steam Line Was Isolated When High Steam Line Differential Pressure Alarm Received.Caused by Instrument Drift of Pressure Switch DPIS-1-1360-1A.Switch Recalibr | |
| 05000265/LER-1982-004, Forwards LER 82-004/03L-0.Detailed Event Analysis Encl | Forwards LER 82-004/03L-0.Detailed Event Analysis Encl | |
| 05000254/LER-1982-004, Forwards LER 82-004/03L-0 | Forwards LER 82-004/03L-0 | |
| 05000265/LER-1982-004-03, /03L-0:on 820224,while Performing Quarterly Reactor Core Isolation Cooling Steam Line High Flow Calibr & Functional Test,Differential Pressure Switch Qis 18,DPIS 2-1360-1B+ Failed to Operate.Caused by Instrument Drift | /03L-0:on 820224,while Performing Quarterly Reactor Core Isolation Cooling Steam Line High Flow Calibr & Functional Test,Differential Pressure Switch Qis 18,DPIS 2-1360-1B+ Failed to Operate.Caused by Instrument Drift | |
| 05000265/LER-1982-005-03, /03L-0:on 820420,while Performing QIS-6,pressure Switch PS-2-1001-88D Found to Trip Above Tech Spec Limit. Caused by Instrument Setpoint Drift.Pressure Switch Recalibr & Functionally Tested | /03L-0:on 820420,while Performing QIS-6,pressure Switch PS-2-1001-88D Found to Trip Above Tech Spec Limit. Caused by Instrument Setpoint Drift.Pressure Switch Recalibr & Functionally Tested | |
| 05000265/LER-1982-005, Forwards LER 82-005/03L-0 | Forwards LER 82-005/03L-0 | |
| 05000254/LER-1982-005-03, /03L-0:on 820325,reactor Core Isolation Cooling Sys Failed to Operate During Monthly Test Qos 1300-2.Caused by Ground in Logic Circuit Initiating Low Voltage at Electrical Overspeed Trip Sensor | /03L-0:on 820325,reactor Core Isolation Cooling Sys Failed to Operate During Monthly Test Qos 1300-2.Caused by Ground in Logic Circuit Initiating Low Voltage at Electrical Overspeed Trip Sensor | |
| 05000254/LER-1982-005, Forwards LER 82-005/03L-0 | Forwards LER 82-005/03L-0 | |
| 05000265/LER-1982-006, Forwards LER 82-006/03L-0 | Forwards LER 82-006/03L-0 | |
| 05000254/LER-1982-006-03, /03L-0:on 820412,pressure Switch PS-1-1001-89B Found Inoperable.Caused by Instrument Setpoint Drift of O Ring PS-1-1001-89B.Pressure Switch Recalibr & Functionally Tested | /03L-0:on 820412,pressure Switch PS-1-1001-89B Found Inoperable.Caused by Instrument Setpoint Drift of O Ring PS-1-1001-89B.Pressure Switch Recalibr & Functionally Tested | |
| 05000254/LER-1982-006, Forwards LER 82-006/03L-0 | Forwards LER 82-006/03L-0 | |
| 05000265/LER-1982-006-03, /03L-0:on 820514,during Monthly Testing of Suppression Chamber to Drywell Vacuum Breakers,Valve AO-2-1601-32C Opened But Failed to Close.Caused by Improperly Positioned Counterweight | /03L-0:on 820514,during Monthly Testing of Suppression Chamber to Drywell Vacuum Breakers,Valve AO-2-1601-32C Opened But Failed to Close.Caused by Improperly Positioned Counterweight | |
| 05000254/LER-1982-007-03, /03L-0:on 820415,during Surveillance Test Qos 1000-2,D Residual Heat Removal Svc Water Booster Pump Outboard Bearing Failed & Pump Declared Inoperable.Caused by Leakage from Adjacent Packing.Bearing & Packing Replaced | /03L-0:on 820415,during Surveillance Test Qos 1000-2,D Residual Heat Removal Svc Water Booster Pump Outboard Bearing Failed & Pump Declared Inoperable.Caused by Leakage from Adjacent Packing.Bearing & Packing Replaced | |
| 05000254/LER-1982-007, Forwards LER 82-007/03L-0 | Forwards LER 82-007/03L-0 | |
| 05000265/LER-1982-008, Forwards LER 82-008/03L-0 | Forwards LER 82-008/03L-0 | |
| 05000254/LER-1982-008, Forwards LER 82-008/03L-0 | Forwards LER 82-008/03L-0 | |
| 05000254/LER-1982-008-03, /03L-0:on 820420,negative Flow Switch DPIS-1-1360-1A Failed.Caused by Damage During Reassembly by Mechanic to Positive Switch Indicating Needle,Thus Preventing Mechanical Trip of Negative Switch | /03L-0:on 820420,negative Flow Switch DPIS-1-1360-1A Failed.Caused by Damage During Reassembly by Mechanic to Positive Switch Indicating Needle,Thus Preventing Mechanical Trip of Negative Switch | |
| 05000265/LER-1982-008-03, /03L-0:on 820515,during Maint Outage,Acoustic Monitors for Electromatic Relief Valves 2-203-3A,3B & 3C Failed to Give Open Indication When Valves Were Opened & Thermocouple Type Position Sensor 2-203-3B Was Out of Svc | /03L-0:on 820515,during Maint Outage,Acoustic Monitors for Electromatic Relief Valves 2-203-3A,3B & 3C Failed to Give Open Indication When Valves Were Opened & Thermocouple Type Position Sensor 2-203-3B Was Out of Svc | |
| 05000254/LER-1982-009, Forwards LER 82-009/03L-0 | Forwards LER 82-009/03L-0 | |
| 05000254/LER-1982-009-03, /03L-0:on 820430,significant Amount of Water Found in Bearing Oil Reservoir of 1-1001-65C RHR Sys Svc Water Pump.Caused by Leaking Seal Packing,Due to Normal Packing Wear.Reservoir Changed & Seals Repacked | /03L-0:on 820430,significant Amount of Water Found in Bearing Oil Reservoir of 1-1001-65C RHR Sys Svc Water Pump.Caused by Leaking Seal Packing,Due to Normal Packing Wear.Reservoir Changed & Seals Repacked | |
| 05000265/LER-1982-010-03, /03L-0:on 820624,motor Operated Valve MO-2301-8 Would Not Open When Given Open Signal During HPCI Sys Valve Inoperability Surveillance,Qos 2300-3,rendering HPCI Inoperable.Caused by Broken Arm in Open Torque Switch | /03L-0:on 820624,motor Operated Valve MO-2301-8 Would Not Open When Given Open Signal During HPCI Sys Valve Inoperability Surveillance,Qos 2300-3,rendering HPCI Inoperable.Caused by Broken Arm in Open Torque Switch | |
| 05000265/LER-1982-010, Forwards LER 82-010/03L-0 | Forwards LER 82-010/03L-0 | |
| 05000254/LER-1982-010, Forwards LER 82-010/03L-0 | Forwards LER 82-010/03L-0 | |
| 05000254/LER-1982-010-03, /03L-0:on 820519,while Performing Cooling Water Pump Flow Rate Test Quarterly Surveillance Emergency Diesel Generator Cooling Water Pump 1/2 Overheated.Caused by Failed Motor Bearing,Due to Improper Oil Level | /03L-0:on 820519,while Performing Cooling Water Pump Flow Rate Test Quarterly Surveillance Emergency Diesel Generator Cooling Water Pump 1/2 Overheated.Caused by Failed Motor Bearing,Due to Improper Oil Level | |
| 05000265/LER-1982-011-01, /01T-0:on 820715,LPCI Inboard Injection Valve MO-2-1001-29B Failed to Open.Caused by Detached Electrical Lead on Torque Switch of Valve Motor Operator.Inboard Valve Manually Opened & Torque Switch Replaced | /01T-0:on 820715,LPCI Inboard Injection Valve MO-2-1001-29B Failed to Open.Caused by Detached Electrical Lead on Torque Switch of Valve Motor Operator.Inboard Valve Manually Opened & Torque Switch Replaced | |
| 05000265/LER-1982-011, Forwards LER 82-011/01T-0 | Forwards LER 82-011/01T-0 | |
| 05000254/LER-1982-012-01, /01T-0:on 820622,following Scram on Unit 2,1/2 Diesel Generator Tripped When a RHR Svc Water Pump Started. Caused by Underexcitation of Diesel Relays.Relays Removed Pending Design Change | /01T-0:on 820622,following Scram on Unit 2,1/2 Diesel Generator Tripped When a RHR Svc Water Pump Started. Caused by Underexcitation of Diesel Relays.Relays Removed Pending Design Change | |
| 05000254/LER-1982-012, Forwards LER 82-012/01T-0 | Forwards LER 82-012/01T-0 | |
| 05000265/LER-1982-012-03, /03L-0:on 820714,controllers for Valves 2-203-3A, 3B,3C & 3E Found to Trip at Pressures in Excess of Specified Tech Spec Limits.Caused by Improper Calibr of Pressure Switches | /03L-0:on 820714,controllers for Valves 2-203-3A, 3B,3C & 3E Found to Trip at Pressures in Excess of Specified Tech Spec Limits.Caused by Improper Calibr of Pressure Switches | |
| 05000265/LER-1982-012, Forwards LER 82-012/03L-0 | Forwards LER 82-012/03L-0 | |
| 05000254/LER-1982-013-03, /03L-0:on 820621,while Diesel Generator Cooling Water Pump Was Being Run in Conjunction W/Hpci Monthly Operability Surveillance,Qoc 2300-2 Pump Observed to Have No Flow by Local Indications.Caused by Pump Being Air Bound | /03L-0:on 820621,while Diesel Generator Cooling Water Pump Was Being Run in Conjunction W/Hpci Monthly Operability Surveillance,Qoc 2300-2 Pump Observed to Have No Flow by Local Indications.Caused by Pump Being Air Bound | |
| 05000254/LER-1982-013, Forwards LER 82-013/03L-0 | Forwards LER 82-013/03L-0 | |
| 05000265/LER-1982-014-03, /03L-0:on 820802,outboard Gland & Packing Nut Found Off & Lantern Ring & Packing Found Partially Out of 2-1001-65C RHR Sys Svc Water Main Pump.Cause Under Investigation.Pump Repacked on 820802 | /03L-0:on 820802,outboard Gland & Packing Nut Found Off & Lantern Ring & Packing Found Partially Out of 2-1001-65C RHR Sys Svc Water Main Pump.Cause Under Investigation.Pump Repacked on 820802 | |
| 05000265/LER-1982-014, Forwards LER 82-014/03L-0 | Forwards LER 82-014/03L-0 | |
| 05000254/LER-1982-014-03, /03L-0:on 820708,discharge Damper on Standby Gas Treatment Train B Failed to Open When Train auto-started. Caused by Failure of Auxiliary Contact on Motor Starter. Contact Replaced | /03L-0:on 820708,discharge Damper on Standby Gas Treatment Train B Failed to Open When Train auto-started. Caused by Failure of Auxiliary Contact on Motor Starter. Contact Replaced | |
| 05000254/LER-1982-014, Forwards LER 82-014/03L-0 | Forwards LER 82-014/03L-0 | |
| 05000265/LER-1982-015-03, /03L-0:on 820804,during Monthly Preventive Maint on Emergency Diesel Generator,Small Leak Found in Flexible Hose to Fuel Line Pressure Gauge.Caused by Crack in Hose. Hose Removed.Connection Sealed W/Threaded Plug | /03L-0:on 820804,during Monthly Preventive Maint on Emergency Diesel Generator,Small Leak Found in Flexible Hose to Fuel Line Pressure Gauge.Caused by Crack in Hose. Hose Removed.Connection Sealed W/Threaded Plug | |
