| | | Reporting criterion |
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| 05000331/LER-1982-001, Forwards LER 82-001/03L-0 | Forwards LER 82-001/03L-0 | |
| 05000331/LER-1982-001-03, /03L-0:on 820108,subchannel B of Tis 4477 to Turbine Bldg Main Steam Line Leak Detection Sys Found W/ Nonconservative Trip Setting Greater than Tech Spec Limit. Caused by Instrument Drift.Tis 4477 Recalibr & Tested | /03L-0:on 820108,subchannel B of Tis 4477 to Turbine Bldg Main Steam Line Leak Detection Sys Found W/ Nonconservative Trip Setting Greater than Tech Spec Limit. Caused by Instrument Drift.Tis 4477 Recalibr & Tested | |
| 05000331/LER-1982-002, Forwards LER 82-002/03L-0 | Forwards LER 82-002/03L-0 | |
| 05000331/LER-1982-002-03, /03L-0:on 820112,reactor Core Isolation Cooling Steam Line High Flow Pressure Differential Indicating Switches PDIS2441 & 2442 Tripped at 118 & 125 Inches of Water.Caused by Instrument Drift.Switches Recalibr | /03L-0:on 820112,reactor Core Isolation Cooling Steam Line High Flow Pressure Differential Indicating Switches PDIS2441 & 2442 Tripped at 118 & 125 Inches of Water.Caused by Instrument Drift.Switches Recalibr | |
| 05000331/LER-1982-003, Forwards LER 82-003/03L-0 | Forwards LER 82-003/03L-0 | |
| 05000331/LER-1982-003-03, /03L-0:on 820113,while Performing Surveillance Testing,Reactor Vessel Pressure Switch Ps 4529 Tripped Below Tech Spec Limit.Caused by Instrument Drift.Switch Recalibr | /03L-0:on 820113,while Performing Surveillance Testing,Reactor Vessel Pressure Switch Ps 4529 Tripped Below Tech Spec Limit.Caused by Instrument Drift.Switch Recalibr | |
| 05000331/LER-1982-004-03, /03L-0:on 820115,drywell High Pressure Switch Ps 4315B Tripped out-of-spec.Caused by Instrument Drift. Switch Recalibr | /03L-0:on 820115,drywell High Pressure Switch Ps 4315B Tripped out-of-spec.Caused by Instrument Drift. Switch Recalibr | |
| 05000331/LER-1982-004, Forwards LER 82-004/03L-0 | Forwards LER 82-004/03L-0 | |
| 05000331/LER-1982-005-03, /03L-0:on 820114,torus Water Level Recorder Lr 4385 Found in Failed Downscale Condition.Caused by Excessive Heat Buildup in Recorder Cabinet Due to Poor Ventilation. Cabinet Being Kept Open Temporarily to Increase Cooling | /03L-0:on 820114,torus Water Level Recorder Lr 4385 Found in Failed Downscale Condition.Caused by Excessive Heat Buildup in Recorder Cabinet Due to Poor Ventilation. Cabinet Being Kept Open Temporarily to Increase Cooling | |
| 05000331/LER-1982-005, Forwards LER 82-005/03L-0 | Forwards LER 82-005/03L-0 | |
| 05000331/LER-1982-006-03, /03L-0:on 820114,B Oxygen Analyzer for Containment Atmosphere Dilution Sys Found Inoperable W/Low Flow on Span & Zero Gas.Caused by Defective Procedures.Bypass Flow Adjusted.Procedures Will Be Revised | /03L-0:on 820114,B Oxygen Analyzer for Containment Atmosphere Dilution Sys Found Inoperable W/Low Flow on Span & Zero Gas.Caused by Defective Procedures.Bypass Flow Adjusted.Procedures Will Be Revised | |
| 05000331/LER-1982-006, Forwards LER 82-006/03L-0 | Forwards LER 82-006/03L-0 | |
| 05000331/LER-1982-007-01, /01T-0:on 820204,reactor Core Isolation Cooling Injection Valve MOV 2512 Was Opened & Then Would Not Close. Caused by Motor Operator Circuit Breaker Close Contractor Coil Being Opened.Coil Replaced | /01T-0:on 820204,reactor Core Isolation Cooling Injection Valve MOV 2512 Was Opened & Then Would Not Close. Caused by Motor Operator Circuit Breaker Close Contractor Coil Being Opened.Coil Replaced | |
| 05000331/LER-1982-007, Forwards LER 82-007/01T-0 | Forwards LER 82-007/01T-0 | |
| 05000331/LER-1982-008-03, /03L-0:on 820121,LPCI Sys & RHR Svc Water Sys a Declared Inoperable Due to Piping Stress in Excess of Code Allowables.Cause Unknown.Snubber GBC-1-SS-56 & RHR Sys Valve Replaced | /03L-0:on 820121,LPCI Sys & RHR Svc Water Sys a Declared Inoperable Due to Piping Stress in Excess of Code Allowables.Cause Unknown.Snubber GBC-1-SS-56 & RHR Sys Valve Replaced | |
| 05000331/LER-1982-008, Forwards LER 82-008/03L-0 | Forwards LER 82-008/03L-0 | |
| 05000331/LER-1982-009, Forwards LER 82-009/01T-0 | Forwards LER 82-009/01T-0 | |
| 05000331/LER-1982-009-01, /01T-0:on 820205,secondary Containment Integrity Violated by Inadvertently Opening Inner Railroad Airlock Personnel Door While Outer Reactor Bldg Door Was Open.Caused by Personnel Error W/Failed Solenoid Contributing | /01T-0:on 820205,secondary Containment Integrity Violated by Inadvertently Opening Inner Railroad Airlock Personnel Door While Outer Reactor Bldg Door Was Open.Caused by Personnel Error W/Failed Solenoid Contributing | |
| 05000331/LER-1982-010, Forwards LER 82-010/03L-0 | Forwards LER 82-010/03L-0 | |
| 05000331/LER-1982-010-03, /03L-0:on 820206,oxygen Analyzer B for Containment Atmosphere Dilution Sys Found Reading Upscale.Probably Caused by Corrosion on Contacts Due to Bad Connection Between Oxygen Analyzer Cell & Terminal Strip | /03L-0:on 820206,oxygen Analyzer B for Containment Atmosphere Dilution Sys Found Reading Upscale.Probably Caused by Corrosion on Contacts Due to Bad Connection Between Oxygen Analyzer Cell & Terminal Strip | |
| 05000331/LER-1982-011-03, /03L-0:on 820208,self-cleaning Strainer IS-85B on Suction Line to Screen Wash Pump B for River Water Supply Sys Became Plugged.Caused by Failed Strainer Shear Pin. Strainer Cleared.Baskets,Cap,Gearbox & Shear Pin Replaced | /03L-0:on 820208,self-cleaning Strainer IS-85B on Suction Line to Screen Wash Pump B for River Water Supply Sys Became Plugged.Caused by Failed Strainer Shear Pin. Strainer Cleared.Baskets,Cap,Gearbox & Shear Pin Replaced | |
| 05000331/LER-1982-011, Forwards LER 82-011/03L-0 | Forwards LER 82-011/03L-0 | |
| 05000331/LER-1982-012, Forwards LER 82-012/03L-0 | Forwards LER 82-012/03L-0 | |
| 05000331/LER-1982-012-03, /03L-0:on 820208,during Surveillance Testing,Msiv Leakage Control Sys Bypass Valve MOV-8403C Failed to Close. Caused by Failed Auxiliary Switch on Motor Starter Contractor Coil Mfg by Allis Chalmers.Switch Replaced | /03L-0:on 820208,during Surveillance Testing,Msiv Leakage Control Sys Bypass Valve MOV-8403C Failed to Close. Caused by Failed Auxiliary Switch on Motor Starter Contractor Coil Mfg by Allis Chalmers.Switch Replaced | |
| 05000331/LER-1982-013, Forwards LER 82-013/01T-0 | Forwards LER 82-013/01T-0 | |
| 05000331/LER-1982-013-01, /01T-0:on 820220,RHR Sys B Snubber GBB-3-SS-235 Removed from Svc for Testing.Caused by Snubber Pipe Clamp Rotated Out of Position & Bent Snubber Extension.Pipe Clamp Repositioned,Extension Straightened & Snubber Replaced | /01T-0:on 820220,RHR Sys B Snubber GBB-3-SS-235 Removed from Svc for Testing.Caused by Snubber Pipe Clamp Rotated Out of Position & Bent Snubber Extension.Pipe Clamp Repositioned,Extension Straightened & Snubber Replaced | |
| 05000331/LER-1982-014-03, /03L-0:on 820219,during Normal Operation,A RHR Loop Declared Inoperable Due to Failed Snubber GBB-4-SS-211 & Hanger GBB-4-H10.Caused by Minor Damage & Pipe Movement on a Rhr.Snubber Replaced & Hanger Repaired | /03L-0:on 820219,during Normal Operation,A RHR Loop Declared Inoperable Due to Failed Snubber GBB-4-SS-211 & Hanger GBB-4-H10.Caused by Minor Damage & Pipe Movement on a Rhr.Snubber Replaced & Hanger Repaired | |
| 05000331/LER-1982-014, Forwards LER 82-014/03L-0 | Forwards LER 82-014/03L-0 | |
| 05000331/LER-1982-015, Forwards LER 82-015/01T-0 | Forwards LER 82-015/01T-0 | |
| 05000331/LER-1982-015-01, /01T-0:on 820225,RHR Svc Water Valve MOV-1947 Failed to Close During Normal Operation.Caused by Wear of Valve Operator Stem Nut.Stem Nut MOV-1947 & Gaskets Replaced,Operator Lubricated & Limit Switches Reset | /01T-0:on 820225,RHR Svc Water Valve MOV-1947 Failed to Close During Normal Operation.Caused by Wear of Valve Operator Stem Nut.Stem Nut MOV-1947 & Gaskets Replaced,Operator Lubricated & Limit Switches Reset | |
| 05000331/LER-1982-016-03, /03L-0:on 820215,control Bldg Ventilation Sys Exhaust Isolation Damper Failed to Close Completely.Caused by Corrosion of Damper Operator Cylinder Due to Humidity. New Actuator Will Be Installed.Humidity Problem Studied | /03L-0:on 820215,control Bldg Ventilation Sys Exhaust Isolation Damper Failed to Close Completely.Caused by Corrosion of Damper Operator Cylinder Due to Humidity. New Actuator Will Be Installed.Humidity Problem Studied | |
| 05000331/LER-1982-016, Forwards LER 82-016/03L-0 | Forwards LER 82-016/03L-0 | |
| 05000331/LER-1982-017, Forwards LER 82-017/01T-0 | Forwards LER 82-017/01T-0 | |
| 05000331/LER-1982-017-01, /01T-0:on 820307,during Surveillance Testing, Standby Filter Unit a for Control Bldg Ventilation Sys Discovered to Have Low Halogenated Hydrocarbon Removal Efficiency.Caused by Moisture in Charcoal Adsorber Bank | /01T-0:on 820307,during Surveillance Testing, Standby Filter Unit a for Control Bldg Ventilation Sys Discovered to Have Low Halogenated Hydrocarbon Removal Efficiency.Caused by Moisture in Charcoal Adsorber Bank | |
| 05000331/LER-1982-018, Forwards LER 82-018/03L-0 | Forwards LER 82-018/03L-0 | |
| 05000331/LER-1982-018-03, /03L-0:on 820221,during Normal Operation, Supression Pool Level Transmitter LT-4363B Responded Erratically,Trending Downscale.Caused by Interference by RHR Repairs.Transmitter Removed from Svc,Pending Repairs | /03L-0:on 820221,during Normal Operation, Supression Pool Level Transmitter LT-4363B Responded Erratically,Trending Downscale.Caused by Interference by RHR Repairs.Transmitter Removed from Svc,Pending Repairs | |
| 05000331/LER-1982-019, Forwards LER 82-019/03L-0 | Forwards LER 82-019/03L-0 | |
| 05000331/LER-1982-019-03, /03L-0:on 820225,during Surveillance Testing on Main Steam Line Tunnel Leak Detection Sys,Temp Switch TIS-4444 Failed to Operate.Caused by Faulty Capacitor in Power Supply.Sys Tested & Restored to Svc | /03L-0:on 820225,during Surveillance Testing on Main Steam Line Tunnel Leak Detection Sys,Temp Switch TIS-4444 Failed to Operate.Caused by Faulty Capacitor in Power Supply.Sys Tested & Restored to Svc | |
| 05000331/LER-1982-020-01, Standby Diesel Generator 1G-21 Tripped During Surveillance Testing.Caused by Procedural Deficiency,Allowing Fuel Oil Filter Change W/O Filling & Venting Filter Casings.Maint Procedures Written | Standby Diesel Generator 1G-21 Tripped During Surveillance Testing.Caused by Procedural Deficiency,Allowing Fuel Oil Filter Change W/O Filling & Venting Filter Casings.Maint Procedures Written | |
| 05000331/LER-1982-020, Forwards Updated LER 82-020/01X-2 | Forwards Updated LER 82-020/01X-2 | |
| 05000331/LER-1982-021-03, /03L-0:on 820302,during Normal Operation Surveillance Testing on Standby Gas Treatment Sys Charcoal Deluge Sys,A Train Found to Be Wet.Caused by Leaking Deluge Valve CV-5837 & Plugged Orifice in Drainline | /03L-0:on 820302,during Normal Operation Surveillance Testing on Standby Gas Treatment Sys Charcoal Deluge Sys,A Train Found to Be Wet.Caused by Leaking Deluge Valve CV-5837 & Plugged Orifice in Drainline | |
| 05000331/LER-1982-021, Forwards LER 82-021/03L-0 | Forwards LER 82-021/03L-0 | |
| 05000331/LER-1982-022-03, /03L-0:on 820305,HPCI Declared Inoperable When Preliminary Design Review Did Not Confirm Loose Mounting Plate on Spring Can Hanger EBB-14-H8.Caused by Degraded Condition of Red Head Concrete Expansion Bolts | /03L-0:on 820305,HPCI Declared Inoperable When Preliminary Design Review Did Not Confirm Loose Mounting Plate on Spring Can Hanger EBB-14-H8.Caused by Degraded Condition of Red Head Concrete Expansion Bolts | |
| 05000331/LER-1982-022, Forwards LER 82-022/03L-0 | Forwards LER 82-022/03L-0 | |
| 05000331/LER-1982-023, Forwards LER 82-023/03L-0 | Forwards LER 82-023/03L-0 | |
| 05000331/LER-1982-023-03, /03L-0:on 820309,while Performing Surveillance testing,4 Kv Emergency Bus Undervoltage Relay 127-3 Tripped Conservatively High at 29.2 Volts.Caused by Instrument Drift.Relay 127-3 Recalibr | /03L-0:on 820309,while Performing Surveillance testing,4 Kv Emergency Bus Undervoltage Relay 127-3 Tripped Conservatively High at 29.2 Volts.Caused by Instrument Drift.Relay 127-3 Recalibr | |
| 05000331/LER-1982-024, Forwards LER 82-024/03L-0 | Forwards LER 82-024/03L-0 | |
| 05000331/LER-1982-024-03, /03L-0:on 820310,high Flow Pressure Differential Indicating Switch 2442 Tripped at 118 Inches of Water on Reactor Core Isolation Cooling Steam Line.Caused by Instrument Drift.Switch Recalibr.Design Change Pursued | /03L-0:on 820310,high Flow Pressure Differential Indicating Switch 2442 Tripped at 118 Inches of Water on Reactor Core Isolation Cooling Steam Line.Caused by Instrument Drift.Switch Recalibr.Design Change Pursued | |
| 05000331/LER-1982-025, Forwards LER 82-025/03L-0 | Forwards LER 82-025/03L-0 | |
| 05000331/LER-1982-025-03, /03L-0:on 820404,suppression Chamber to Drywell Vacuum Breaker Valve CV-4327D Failed to Close Completely. Caused by Pneumatic Cylinder Piston Stuck in mid-position. Piston Lubed & Valve Tested Satisfactorily | /03L-0:on 820404,suppression Chamber to Drywell Vacuum Breaker Valve CV-4327D Failed to Close Completely. Caused by Pneumatic Cylinder Piston Stuck in mid-position. Piston Lubed & Valve Tested Satisfactorily | |
