| | | Reporting criterion |
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| 05000295/LER-1981-001, Forwards LER 81-001/03L-0 | Forwards LER 81-001/03L-0 | |
| 05000295/LER-1981-001-03, /03L-0:on 810106,blower of Svc Bldg Radiation Monitor OPR036 Was Found Turned Off.Cause Unknown.Blower Turned on | /03L-0:on 810106,blower of Svc Bldg Radiation Monitor OPR036 Was Found Turned Off.Cause Unknown.Blower Turned on | |
| 05000304/LER-1981-001-03, /03L-0:on 810114,during Power Operation,Loop D Overtemp Delta T Channel 2T-431C Was Indicating Erratically Low by 15%.Cause Not Found.Sys Being Monitored for Similar Events | /03L-0:on 810114,during Power Operation,Loop D Overtemp Delta T Channel 2T-431C Was Indicating Erratically Low by 15%.Cause Not Found.Sys Being Monitored for Similar Events | |
| 05000295/LER-1981-002, Forwards Updated LER 81-002/03X-1 | Forwards Updated LER 81-002/03X-1 | |
| 05000304/LER-1981-002-03, /03L-0:on 810227,during Surveillance of Purge Iodine Rad Monitor 2RT-PR09B,monitor Found Reading Low by Factor of Almost 3.Cause Unknown But Probably Just Normal Electronic Variation.Monitor Recalibr | /03L-0:on 810227,during Surveillance of Purge Iodine Rad Monitor 2RT-PR09B,monitor Found Reading Low by Factor of Almost 3.Cause Unknown But Probably Just Normal Electronic Variation.Monitor Recalibr | |
| 05000304/LER-1981-002, Forwards LER 81-002/03L-0 | Forwards LER 81-002/03L-0 | |
| 05000295/LER-1981-002-03, MSIV 1B Failed to Close During Closure Time Testing While in Hot Shutdown Mode. Caused by Failure of Two Dc Solenoid Valves to Actuate.Both Valves Replaced | MSIV 1B Failed to Close During Closure Time Testing While in Hot Shutdown Mode. Caused by Failure of Two Dc Solenoid Valves to Actuate.Both Valves Replaced | |
| 05000295/LER-1981-003-03, /03L-0:on 810116,while in Hsd for Safe Shutdown & Engineered Safety Feature testing,1A Charging Pump Tripped But Would Not Restart.Caused by Dirty Mechanical Trip Linkage on Breaker.Breaker Replaced | /03L-0:on 810116,while in Hsd for Safe Shutdown & Engineered Safety Feature testing,1A Charging Pump Tripped But Would Not Restart.Caused by Dirty Mechanical Trip Linkage on Breaker.Breaker Replaced | |
| 05000295/LER-1981-003, Forwards LER 81-003/03L-0 | Forwards LER 81-003/03L-0 | |
| 05000304/LER-1981-003-03, /03L-0:on 810305,micro Switch 2FIC-611A Found to Be Defective.Caused by Faulty Micro Switch.Switch Replaced. Surveillance Interval Reduced to Monthly Frequency Until Problem Determined to Be Recurring or Nonrecurring | /03L-0:on 810305,micro Switch 2FIC-611A Found to Be Defective.Caused by Faulty Micro Switch.Switch Replaced. Surveillance Interval Reduced to Monthly Frequency Until Problem Determined to Be Recurring or Nonrecurring | |
| 05000304/LER-1981-003, Forwards LER 81-003/03L-0 | Forwards LER 81-003/03L-0 | |
| 05000304/LER-1981-004-03, /03L-0:on 810414,diesel Generator Engine O Tripped.Caused by Broken Wire on Tachometer Generator Which Caused Control Circuit to Reset.Wire Repaired | /03L-0:on 810414,diesel Generator Engine O Tripped.Caused by Broken Wire on Tachometer Generator Which Caused Control Circuit to Reset.Wire Repaired | |
| 05000295/LER-1981-004-03, Microswitch 2FIC-611A, Controlling Only Valve on RHR Recirculation Line B,Found to Be Defective.Caused by Faulty Procedure Used to Check Switch Calibr.Procedure Revised & Switches Tested | Microswitch 2FIC-611A, Controlling Only Valve on RHR Recirculation Line B,Found to Be Defective.Caused by Faulty Procedure Used to Check Switch Calibr.Procedure Revised & Switches Tested | |
| 05000304/LER-1981-004, Forwards LER 81-004/03L-0 | Forwards LER 81-004/03L-0 | |
| 05000295/LER-1981-004, Forwards Updated LER 81-004/03X-1 | Forwards Updated LER 81-004/03X-1 | |
| 05000304/LER-1981-005-03, /03L-0:on 810419,operator Found Water in Lube Oil Sight Glass of Diesel Generator O.Caused by Plugged Oil Filters Due to Excessive Cooling Water Velocities Eroding Cooler Tube.Flow Reducing Orifice Installed.Leak Repaired | /03L-0:on 810419,operator Found Water in Lube Oil Sight Glass of Diesel Generator O.Caused by Plugged Oil Filters Due to Excessive Cooling Water Velocities Eroding Cooler Tube.Flow Reducing Orifice Installed.Leak Repaired | |
| 05000295/LER-1981-005, Forwards LER 81-005/03L-0 | Forwards LER 81-005/03L-0 | |
| 05000295/LER-1981-005-03, /03L-0:on 810204,shift Engineer Discovered That Two Hydrogen Recombiners Not Interchangeable as Implied in Fsar.Caused by 3-inch to 4-inch Reducer That Was Welded on Discharge Piping Making Recombiners Not Identical | /03L-0:on 810204,shift Engineer Discovered That Two Hydrogen Recombiners Not Interchangeable as Implied in Fsar.Caused by 3-inch to 4-inch Reducer That Was Welded on Discharge Piping Making Recombiners Not Identical | |
| 05000304/LER-1981-005, Forwards LER 81-005/03L-0 | Forwards LER 81-005/03L-0 | |
| 05000304/LER-1981-006, Forwards LER 81-006/03L-0 | Forwards LER 81-006/03L-0 | |
| 05000295/LER-1981-006-03, /03L-0:on 810228,fire Sump Radiation Monitor ORT-PR25 High Alarmed.Caused by Break in Solder Joint in High Voltage Circuit of Monitor.Joint Repaired,Motor Functionally Tested & Returned to Svc | /03L-0:on 810228,fire Sump Radiation Monitor ORT-PR25 High Alarmed.Caused by Break in Solder Joint in High Voltage Circuit of Monitor.Joint Repaired,Motor Functionally Tested & Returned to Svc | |
| 05000295/LER-1981-006, Forwards LER 81-006/03L-0 | Forwards LER 81-006/03L-0 | |
| 05000304/LER-1981-006-03, /03L-0:on 800313,Class I Pipe Tunnel Rad Monitor 2RT-PR01B Found Out of Tolerance Low During Surveillance for Calibr.Caused by High Voltage Power Supply Drift.Power Supply Adjusted & Monitor Recalibr | /03L-0:on 800313,Class I Pipe Tunnel Rad Monitor 2RT-PR01B Found Out of Tolerance Low During Surveillance for Calibr.Caused by High Voltage Power Supply Drift.Power Supply Adjusted & Monitor Recalibr | |
| 05000295/LER-1981-007, Forwards LER 81-007/03L-0 | Forwards LER 81-007/03L-0 | |
| 05000304/LER-1981-007-03, /03L-0:on 810508,valve Drifted Open While Unit Was in Hot Shutdown & After Taking 2D MSIV Oos.Caused by Both MSIV Drain Valve Not Opening After Closure & Hydraulic Leakage Pressurizing Piston Opening Side | /03L-0:on 810508,valve Drifted Open While Unit Was in Hot Shutdown & After Taking 2D MSIV Oos.Caused by Both MSIV Drain Valve Not Opening After Closure & Hydraulic Leakage Pressurizing Piston Opening Side | |
| 05000304/LER-1981-007, Forwards LER 81-007/03L-0 | Forwards LER 81-007/03L-0 | |
| 05000295/LER-1981-007-03, /03L-0:on 800724,50.59 Evaluation Was Not Performed Prior to tie-in Into safety-related Pipe.Caused by Personnel Error.Personnel Reinstructed | /03L-0:on 800724,50.59 Evaluation Was Not Performed Prior to tie-in Into safety-related Pipe.Caused by Personnel Error.Personnel Reinstructed | |
| 05000304/LER-1981-008-03, Unit 2 Tripped & Safety Injected,Causing One Feedwater Pump to Tripp.Caused by Loss of Inverter 213 Due to High Inverter Circulating Current. Tuning Adjustments Made | Unit 2 Tripped & Safety Injected,Causing One Feedwater Pump to Tripp.Caused by Loss of Inverter 213 Due to High Inverter Circulating Current. Tuning Adjustments Made | |
| 05000304/LER-1981-008, Forwards Updated LER 81-008/03X-2 | Forwards Updated LER 81-008/03X-2 | |
| 05000295/LER-1981-008-01, /01T-0:on 810325,during Leak Test,Borated Water Leakage Discovered from Test Holes on Bit Manway & Nozzles. Caused by Breaches in Type 304L Stainless Liner.Bit Replaced & Final Rept to Be Submitted | /01T-0:on 810325,during Leak Test,Borated Water Leakage Discovered from Test Holes on Bit Manway & Nozzles. Caused by Breaches in Type 304L Stainless Liner.Bit Replaced & Final Rept to Be Submitted | |
| 05000295/LER-1981-008, Forwards LER 81-008/01T-0 | Forwards LER 81-008/01T-0 | |
| 05000304/LER-1981-009, Forwards LER 81-009/03L-0 | Forwards LER 81-009/03L-0 | |
| 05000304/LER-1981-009-03, /03L-0:on 810508,MSIV Drifted Open During Hot Shutdown Following Change Out of Opening Side Accumulator 2D for Maint.Caused by Pressure Buildup in Cavity Due to Closed Drain Valve.Drain Valve Manually Opened | /03L-0:on 810508,MSIV Drifted Open During Hot Shutdown Following Change Out of Opening Side Accumulator 2D for Maint.Caused by Pressure Buildup in Cavity Due to Closed Drain Valve.Drain Valve Manually Opened | |
| 05000295/LER-1981-009, Forwards LER 81-009/03L-0 | Forwards LER 81-009/03L-0 | |
| 05000295/LER-1981-009-03, /03L-0:on 810312,shift Surveillance of Fire Sump Radiation Monitor ORT-PR25 Overlooked.Caused by Personnel Error.Procedural Change to Be Made,Requiring Out of Svc Surveillance Verification at Beginning of Each Shift | /03L-0:on 810312,shift Surveillance of Fire Sump Radiation Monitor ORT-PR25 Overlooked.Caused by Personnel Error.Procedural Change to Be Made,Requiring Out of Svc Surveillance Verification at Beginning of Each Shift | |
| 05000304/LER-1981-010-03, /03L-0:on 810513,following Maint Functional Tests, Loop B Overpower/Temp Delta T Channel Became Erratic.Cause Not Known.Channel Monitored for 84-h W/O Recurrence,Verified Operable & Returned to Svc | /03L-0:on 810513,following Maint Functional Tests, Loop B Overpower/Temp Delta T Channel Became Erratic.Cause Not Known.Channel Monitored for 84-h W/O Recurrence,Verified Operable & Returned to Svc | |
| 05000304/LER-1981-010, Forwards LER 81-010/03L-0 | Forwards LER 81-010/03L-0 | |
| 05000295/LER-1981-010, Forwards LER 81-010/03L-0 | Forwards LER 81-010/03L-0 | |
| 05000295/LER-1981-010-03, /03L-0:on 810318,fire Sump Radiation Monitor ORT-PR25 Spiked High.Caused by Intermittent Cold Solder Joint on Radiation Analyzer Readout Module.Module Replaced | /03L-0:on 810318,fire Sump Radiation Monitor ORT-PR25 Spiked High.Caused by Intermittent Cold Solder Joint on Radiation Analyzer Readout Module.Module Replaced | |
| 05000304/LER-1981-011-03, /03L-0:on 810518,monthly Functional Test for Channels 41,42 & 43 Postponed.Caused by Channel 44 in Tripped Condition.Performing Tests Would Have Resulted in Reactor Trip.Channel 44 Indication Resumed.Tests Performed | /03L-0:on 810518,monthly Functional Test for Channels 41,42 & 43 Postponed.Caused by Channel 44 in Tripped Condition.Performing Tests Would Have Resulted in Reactor Trip.Channel 44 Indication Resumed.Tests Performed | |
| 05000304/LER-1981-011, Forwards LER 81-011/03L-0 | Forwards LER 81-011/03L-0 | |
| 05000295/LER-1981-011, Forwards LER 81-011/03L-0 | Forwards LER 81-011/03L-0 | |
| 05000295/LER-1981-011-03, /03L-0:on 810317,pump for Turbine Bldg Air Sampler Found Off.Cause Unknown.Sample Filters Replaced & Pump Turned Back On.Addl Surveillance Being Instituted | /03L-0:on 810317,pump for Turbine Bldg Air Sampler Found Off.Cause Unknown.Sample Filters Replaced & Pump Turned Back On.Addl Surveillance Being Instituted | |
| 05000295/LER-1981-012-03, /03L-0:on 810325,during Periodic testing,11 Inoperable Snubbers Were Found.Caused by Improper Lockup Settings &/Or Excessive Seal Bypass.Snubbers Were Overhauled,Tested & Reinstalled Operable | /03L-0:on 810325,during Periodic testing,11 Inoperable Snubbers Were Found.Caused by Improper Lockup Settings &/Or Excessive Seal Bypass.Snubbers Were Overhauled,Tested & Reinstalled Operable | |
| 05000304/LER-1981-012, Forwards LER 81-012/03L-0 | Forwards LER 81-012/03L-0 | |
| 05000304/LER-1981-012-03, /03L-0:on 810421,Unit 2 Auxiliary Bldg Radiation Monitor 2PR038 Failed,Flooding Both Detector & Samplers. Caused by Exhaust Fans Being Out of Svc.Detector Replaced, Housing Dried & Exhaust Fan Repaired | /03L-0:on 810421,Unit 2 Auxiliary Bldg Radiation Monitor 2PR038 Failed,Flooding Both Detector & Samplers. Caused by Exhaust Fans Being Out of Svc.Detector Replaced, Housing Dried & Exhaust Fan Repaired | |
| 05000295/LER-1981-012, Forwards LER 81-012/03L-0 | Forwards LER 81-012/03L-0 | |
| 05000304/LER-1981-013-03, /03L-0:on 810619,steam Generator 2B Level Indication 2LI-548 Found Shifting W/Start & Stops of Containment Fan Cooler 2E.Caused by Defective Transmitter Due to Bad Force Motor | /03L-0:on 810619,steam Generator 2B Level Indication 2LI-548 Found Shifting W/Start & Stops of Containment Fan Cooler 2E.Caused by Defective Transmitter Due to Bad Force Motor | |
| 05000295/LER-1981-013-03, Standby Instrument Air Compressor OAV071(OB) Failed to Start.Caused by Tripped Circuit Breaker.Breaker Found to Be Improper Amp Size. Proper Breaker Installed | Standby Instrument Air Compressor OAV071(OB) Failed to Start.Caused by Tripped Circuit Breaker.Breaker Found to Be Improper Amp Size. Proper Breaker Installed | |
| 05000304/LER-1981-013, Forwards LER 81-013/03L-0 | Forwards LER 81-013/03L-0 | |
