| | | Reporting criterion |
|---|
| 05000364/LER-1981-001-03, /03L-0:on 810310,personnel Air Lock Declared Inoperable Prior to Completion of Initial Fuel Loading. Caused by Vent Valve Const Error.Operating Linkage Was 90 Degrees from Indicated Position.Linkage Reinstalled | /03L-0:on 810310,personnel Air Lock Declared Inoperable Prior to Completion of Initial Fuel Loading. Caused by Vent Valve Const Error.Operating Linkage Was 90 Degrees from Indicated Position.Linkage Reinstalled | |
| 05000348/LER-1981-001, Forwards LER 81-001/03L-0 | Forwards LER 81-001/03L-0 | |
| 05000348/LER-1981-001-03, /03L-0:on 810116,RHR Flow Lost.Caused by Loss of Power to 1A RHR Pump as Result of Feeder Breaker to Start Up Transformer 1A Opening.Diesel Generator 1-2A Energized Bus 1F & RHR Pump Restarted.Transformer 1A re-energized | /03L-0:on 810116,RHR Flow Lost.Caused by Loss of Power to 1A RHR Pump as Result of Feeder Breaker to Start Up Transformer 1A Opening.Diesel Generator 1-2A Energized Bus 1F & RHR Pump Restarted.Transformer 1A re-energized | |
| 05000364/LER-1981-001, Forwards LER 81-001/03L-0 | Forwards LER 81-001/03L-0 | |
| 05000348/LER-1981-002, Forwards LER 81-002/01T-1 | Forwards LER 81-002/01T-1 | |
| 05000348/LER-1981-002-01, /01T-1:on 810202,broken Puffer Tubes Identified on 4,160-volt Circuit Breakers.Caused by Matl Aging.Tubes Will Be Replaced | /01T-1:on 810202,broken Puffer Tubes Identified on 4,160-volt Circuit Breakers.Caused by Matl Aging.Tubes Will Be Replaced | |
| 05000364/LER-1981-002-03, /03L-0:on 810525,during Testing,Steam Generator Code Safety Valve on Steam Line B Opened & Did Not Reseat. Cause Unknown.Valve Returned to Mfg for Investigation & Replaced | /03L-0:on 810525,during Testing,Steam Generator Code Safety Valve on Steam Line B Opened & Did Not Reseat. Cause Unknown.Valve Returned to Mfg for Investigation & Replaced | |
| 05000348/LER-1981-003, Forwards LER 81-003/03L-0 | Forwards LER 81-003/03L-0 | |
| 05000348/LER-1981-003-03, /03L-0:on 810202,fuel Storage Pool Area Gaseous activity-ventilation Sys Isolation Radiation Monitor R25B Declared Inoperable.Caused by Drive Belt Breaking.Belt Replaced | /03L-0:on 810202,fuel Storage Pool Area Gaseous activity-ventilation Sys Isolation Radiation Monitor R25B Declared Inoperable.Caused by Drive Belt Breaking.Belt Replaced | |
| 05000364/LER-1981-003, Forwards LER 81-003/03L-0 | Forwards LER 81-003/03L-0 | |
| 05000364/LER-1981-003-03, /03L-0:on 810311,radiation Monitor R5 in Fuel Storage Pool Area Failed Low & Was Declared Inoperable. Caused by Loose Connector Pin.Connector Repaired | /03L-0:on 810311,radiation Monitor R5 in Fuel Storage Pool Area Failed Low & Was Declared Inoperable. Caused by Loose Connector Pin.Connector Repaired | |
| 05000348/LER-1981-004-03, /03L-0:on 810205,fire Barrier Wall in Control Room Ventilation Equipment Room Declared Inoperable Due to Unsealed Penetration.Caused by Failure to Provide Followup to Action Work Request Issued,But Not Accomplished | /03L-0:on 810205,fire Barrier Wall in Control Room Ventilation Equipment Room Declared Inoperable Due to Unsealed Penetration.Caused by Failure to Provide Followup to Action Work Request Issued,But Not Accomplished | |
| 05000348/LER-1981-004, Forwards LER 81-004/03L-0 | Forwards LER 81-004/03L-0 | |
| 05000364/LER-1981-004-03, /03L:on 810314,audible Count Rate in Containment Was Lost in Mode 6.Caused by Blown Fuse in 2D Inverter. Blown Inverter Fuse Replaced | /03L:on 810314,audible Count Rate in Containment Was Lost in Mode 6.Caused by Blown Fuse in 2D Inverter. Blown Inverter Fuse Replaced | |
| 05000364/LER-1981-004, Forwards LER 81-004/03L-0 | Forwards LER 81-004/03L-0 | |
| 05000364/LER-1981-005, Forwards LER 81-005/03L-0 | Forwards LER 81-005/03L-0 | |
| 05000348/LER-1981-005, Forwards LER 81-005/01T-0 | Forwards LER 81-005/01T-0 | |
| 05000348/LER-1981-005-01, /01T-0:on 810324,determined That Time Stipulated in FSAR Section 9.2.1.3 for Operator Action in Accident Involving Svc Water Pond Dam Break & Limiting Active Failure Is Not Accurate.Caused by Design Error | /01T-0:on 810324,determined That Time Stipulated in FSAR Section 9.2.1.3 for Operator Action in Accident Involving Svc Water Pond Dam Break & Limiting Active Failure Is Not Accurate.Caused by Design Error | |
| 05000364/LER-1981-005-03, /03L-0:on 810408,digital Rod Position Indication Sys Declared Inoperable When Breaker de-energized.Caused by Shorted Transformer.Transformer Replaced | /03L-0:on 810408,digital Rod Position Indication Sys Declared Inoperable When Breaker de-energized.Caused by Shorted Transformer.Transformer Replaced | |
| 05000364/LER-1981-006-03, /03L-0:on 810421 & 22,diesel Generator 2B Failed to Reach Rated Speed in Required Time.Cause Not Stated.Fuel Oil Day Tank Foot Valve Replaced & Fuel Line Check Valves Cleaned | /03L-0:on 810421 & 22,diesel Generator 2B Failed to Reach Rated Speed in Required Time.Cause Not Stated.Fuel Oil Day Tank Foot Valve Replaced & Fuel Line Check Valves Cleaned | |
| 05000348/LER-1981-006, Forwards LER 81-006/03L-0 | Forwards LER 81-006/03L-0 | |
| 05000348/LER-1981-006-03, /03L-0:on 810319,containment Personnel Air Lock Declared Inoperable During Testing.Caused by Dirty Door Seals.Seals Cleaned | /03L-0:on 810319,containment Personnel Air Lock Declared Inoperable During Testing.Caused by Dirty Door Seals.Seals Cleaned | |
| 05000348/LER-1981-007-01, /01T-0:on 810402,mathematical Sign Error Was Found in Load Summation in Turbine Driven Auxiliary Feedwater Pump Nozzle Load Design Analysis.Caused by Designer Error. Seismic Restraint Mod Made | /01T-0:on 810402,mathematical Sign Error Was Found in Load Summation in Turbine Driven Auxiliary Feedwater Pump Nozzle Load Design Analysis.Caused by Designer Error. Seismic Restraint Mod Made | |
| 05000348/LER-1981-007, Forwards LER 81-007/01T-0 | Forwards LER 81-007/01T-0 | |
| 05000364/LER-1981-007, Forwards LER 81-007/03L-0 | Forwards LER 81-007/03L-0 | |
| 05000364/LER-1981-007-03, /03L-0:on 810421,containment Atmosphere Particulate & Gaseous Radioactivity Monitoring Sys R11 & R12 Declared Inoperable When Inboard Pump Tripped.Caused by Flow Control Valve Not Being Lock Wired.Valve & Pump Repaired | /03L-0:on 810421,containment Atmosphere Particulate & Gaseous Radioactivity Monitoring Sys R11 & R12 Declared Inoperable When Inboard Pump Tripped.Caused by Flow Control Valve Not Being Lock Wired.Valve & Pump Repaired | |
| 05000348/LER-1981-008-03, /03L-0:on 810313,surveillance Tests for Tech Spec 4.3.3.1 for Radiation Monitors R25 a & B Not Performed within Required Period.Caused by Personnel Not Properly Assessing Conditions for Surveillance.Test Schedule Revised | /03L-0:on 810313,surveillance Tests for Tech Spec 4.3.3.1 for Radiation Monitors R25 a & B Not Performed within Required Period.Caused by Personnel Not Properly Assessing Conditions for Surveillance.Test Schedule Revised | |
| 05000364/LER-1981-008-03, /03L-0:on 810422,diesel Generator 2C Sequencer B2J Failed to Meet Time Requirements for Picking Up Step 2. Caused by Agastat Timer Setpoint Drift.Setpoint Adjusted | /03L-0:on 810422,diesel Generator 2C Sequencer B2J Failed to Meet Time Requirements for Picking Up Step 2. Caused by Agastat Timer Setpoint Drift.Setpoint Adjusted | |
| 05000348/LER-1981-008, Forwards LER 81-008/03L-0 | Forwards LER 81-008/03L-0 | |
| 05000364/LER-1981-009-03, /03L-0:on 810428 & 0501,pressurizer Pressure Indicator PI456 Declared Inoperable.Caused by Out of Spec Indicator Reading Which Occurred During Channel Check. Transmitter Replaced & Channel Returned to Svc | /03L-0:on 810428 & 0501,pressurizer Pressure Indicator PI456 Declared Inoperable.Caused by Out of Spec Indicator Reading Which Occurred During Channel Check. Transmitter Replaced & Channel Returned to Svc | |
| 05000348/LER-1981-009-03, /03L-0:on 810317,determined That Diesel Generator 1-2A Had Been Inoperable for 35-minute Period Following Entry Into Mode 4.Caused by Personnel Error.Personnel Instructed in Proper Procedures | /03L-0:on 810317,determined That Diesel Generator 1-2A Had Been Inoperable for 35-minute Period Following Entry Into Mode 4.Caused by Personnel Error.Personnel Instructed in Proper Procedures | |
| 05000348/LER-1981-009, Forwards LER 81-009/03L-0 | Forwards LER 81-009/03L-0 | |
| 05000364/LER-1981-010-03, /03L-0:on 810429 & 30,containment Atmosphere Radioactivity Monitoring Sys R-11 Declared Inoperable.Caused by Filter Paper Not Advancing Due to Paper Spool Slippage on Shaft.Drive Shaft Adjusted & R-11 Returned to Svc | /03L-0:on 810429 & 30,containment Atmosphere Radioactivity Monitoring Sys R-11 Declared Inoperable.Caused by Filter Paper Not Advancing Due to Paper Spool Slippage on Shaft.Drive Shaft Adjusted & R-11 Returned to Svc | |
| 05000364/LER-1981-010, Notifies of Typographical Error in Forwarding LER 81-010/03X-1.Ltr Mistakenly Referred to LER 82-043/01X-1 | Notifies of Typographical Error in Forwarding LER 81-010/03X-1.Ltr Mistakenly Referred to LER 82-043/01X-1 | |
| 05000348/LER-1981-010-03, /03L-0:on 810318,diesel Generator 1B Declared Inoperable Following Trip on Overspeed During Surveillance Test FNP-1-STP-28.2.Caused by Blown Fuses in Speed Governor. Fuses Replaced | /03L-0:on 810318,diesel Generator 1B Declared Inoperable Following Trip on Overspeed During Surveillance Test FNP-1-STP-28.2.Caused by Blown Fuses in Speed Governor. Fuses Replaced | |
| 05000348/LER-1981-010, Updated LER 81-010/03X-1:on 810429 & 30,containment Atmosphere Radioactivity Monitoring Sys R-11 Declared Inoperable When Filter Paper Did Not Advance.Caused by Paper Spool Slipping on Shaft.Drive Shaft Adjusted | Updated LER 81-010/03X-1:on 810429 & 30,containment Atmosphere Radioactivity Monitoring Sys R-11 Declared Inoperable When Filter Paper Did Not Advance.Caused by Paper Spool Slipping on Shaft.Drive Shaft Adjusted | |
| 05000364/LER-1981-011-03, /03L-0:on 810426 & 27,power Operated Relief Valve 445A Declared Inoperable.Caused by Seat Leakage.Valve Stroke Adjusted.Leakage Reoccurred & Valve Isolated.Repair Will Be Accomplished When Plant Conditions Permit | /03L-0:on 810426 & 27,power Operated Relief Valve 445A Declared Inoperable.Caused by Seat Leakage.Valve Stroke Adjusted.Leakage Reoccurred & Valve Isolated.Repair Will Be Accomplished When Plant Conditions Permit | |
| 05000348/LER-1981-011-03, /03L-0:on 810323,containment Air Lock Declared Inoperable When Air Lock Inner Door Could Not Be Shut. Caused by Personnel Error.Individual Involved Instructed in Proper Method of Operating Air Lock | /03L-0:on 810323,containment Air Lock Declared Inoperable When Air Lock Inner Door Could Not Be Shut. Caused by Personnel Error.Individual Involved Instructed in Proper Method of Operating Air Lock | |
| 05000348/LER-1981-011, Forwards LER 81-011/03L-0 | Forwards LER 81-011/03L-0 | |
| 05000348/LER-1981-012-03, /03L-0:on 810402,during Testing of Containment 1A Spray Pump,Containment Spray Sys Snubber CS2-Rl31 Declared Inoperable Upon Discovery of Hydraulic Fluid Leakage.Caused by Cracked Reservoir.Reservoir Replaced | /03L-0:on 810402,during Testing of Containment 1A Spray Pump,Containment Spray Sys Snubber CS2-Rl31 Declared Inoperable Upon Discovery of Hydraulic Fluid Leakage.Caused by Cracked Reservoir.Reservoir Replaced | |
| 05000364/LER-1981-012, Forwards LER 81-012/03L-0 | Forwards LER 81-012/03L-0 | |
| 05000364/LER-1981-012-03, /03L-0:on 810427,turbine Driven Auxiliary Feedwater Pump Was Declared Inoperable When Speed Could Not Be Automatically Controlled.Caused by Installation Wiring Error in Manual Potentiometer Circuit.Error Corrected | /03L-0:on 810427,turbine Driven Auxiliary Feedwater Pump Was Declared Inoperable When Speed Could Not Be Automatically Controlled.Caused by Installation Wiring Error in Manual Potentiometer Circuit.Error Corrected | |
| 05000348/LER-1981-013-03, /03L-0:on 810327,rod K-14 Declared Inoperable When Failing to Move While Driving Control Bank a Inward.Caused by Connector Problem on CRDM Circuit for Rod.Connector Reassembled & Proper Rod Operation Verified | /03L-0:on 810327,rod K-14 Declared Inoperable When Failing to Move While Driving Control Bank a Inward.Caused by Connector Problem on CRDM Circuit for Rod.Connector Reassembled & Proper Rod Operation Verified | |
| 05000364/LER-1981-013-03, /03L-0:on 810505 & 06,lube Oil & Fuel Oil Leaks Found on Diesel Generator 2B.First Caused by Leaking O-ring on Lube Oil Strainer;Second by Fatigue Failure of Compression Fitting on Copper Line.Ring & Line Replaced | /03L-0:on 810505 & 06,lube Oil & Fuel Oil Leaks Found on Diesel Generator 2B.First Caused by Leaking O-ring on Lube Oil Strainer;Second by Fatigue Failure of Compression Fitting on Copper Line.Ring & Line Replaced | |
| 05000348/LER-1981-014-03, /03L-0:on 810327,turbine Driven Auxiliary Feedwater Pump Inoperable When Pump Speed Could Not Be Increased Above Min Speed.Caused by Design Wiring Error. Wiring Error Corrected & Pump Returned to Svc | /03L-0:on 810327,turbine Driven Auxiliary Feedwater Pump Inoperable When Pump Speed Could Not Be Increased Above Min Speed.Caused by Design Wiring Error. Wiring Error Corrected & Pump Returned to Svc | |
| 05000364/LER-1981-014-03, /03L-0:on 810506,sequencer B2J Failed to Load Shed River Water Pump 3 During Loss of Sys Pressure Test.Caused by Malfunction of Relay Due to Dirty Contacts.Contacts Cleaned & Adjusted & Sequencer Returned to Svc on 810507 | /03L-0:on 810506,sequencer B2J Failed to Load Shed River Water Pump 3 During Loss of Sys Pressure Test.Caused by Malfunction of Relay Due to Dirty Contacts.Contacts Cleaned & Adjusted & Sequencer Returned to Svc on 810507 | |
| 05000348/LER-1981-015-03, /03L-0:on 810404,during Channel Check Surveillance Test,Feedwater Flow Loop FT-486 Failed to Meet Tolerance Requirements & Declared Inoperable.Caused by Plug Assembly for Root Valve for Transmitter FT-486 Not Opening | /03L-0:on 810404,during Channel Check Surveillance Test,Feedwater Flow Loop FT-486 Failed to Meet Tolerance Requirements & Declared Inoperable.Caused by Plug Assembly for Root Valve for Transmitter FT-486 Not Opening | |
| 05000364/LER-1981-015-03, /03L-0:on 810506,hydrogen Recombiner 2A Oxygen Concentration Increased Above Tech Spec Level w/4.3% Hydrogen Concentration.Cause Not Stated.Oxygen Concentration Reduced & Recombiner Returned to Svc | /03L-0:on 810506,hydrogen Recombiner 2A Oxygen Concentration Increased Above Tech Spec Level w/4.3% Hydrogen Concentration.Cause Not Stated.Oxygen Concentration Reduced & Recombiner Returned to Svc | |
| 05000348/LER-1981-016-03, /03L-0:on 810405,during Channel Check Surveillance test,overtemp-delta Temp Instrumentation Loop Associated w/TI412C Declared Inoperable When Trip Setpoint Failed to Meet Tolerance Requirements.Caused by Defective Nll Card | /03L-0:on 810405,during Channel Check Surveillance test,overtemp-delta Temp Instrumentation Loop Associated w/TI412C Declared Inoperable When Trip Setpoint Failed to Meet Tolerance Requirements.Caused by Defective Nll Card | |
| 05000364/LER-1981-016-03, /03L-0:on 810523 & 24,temp Average Decreased Below Required Temp.Caused by Overfeeding Steam Generators During Transient Rod Movements.Operators Cautioned.Temp Restored | /03L-0:on 810523 & 24,temp Average Decreased Below Required Temp.Caused by Overfeeding Steam Generators During Transient Rod Movements.Operators Cautioned.Temp Restored | |
