Semantic search
Jump to navigation
Jump to search
| Issue date | Title | Topic | |
|---|---|---|---|
| 05000271/LER-1993-012 | 7 October 1993 | LER 93-012-00:on 930908,noted That Containment Air Valve & TIP Found to Have Seat Leakage Above That Permitted by Ts. Caused by Leakage Through Check Valve.C/As Will Be Reported in Suppl to LER.W/931007 Ltr | |
| 05000271/LER-1993-010 | 31 August 1993 | LER 93-010-00:on 930803,fire Protection Valve V76-420 Has Not Been Cycled Through Complete Cycle of Full Travel,Per TS 4.13.B.d.Caused by Human Error.Applicable Surveillance Procedure Revised to Include V76-420.W/930831 Ltr | |
| 05000271/LER-1993-004 | 19 August 1993 | LER 93-004-01:on 930225,discovered That Surveillance for Jet Pumps Not Performed During Single Loop Operations Due to Inadequate Plant Procedures.Procedures OP-4110 & OP-2428 revised.W/930819 Ltr | Time of Discovery |
| 05000271/LER-1993-005 | 13 August 1993 | LER 93-005-01:on 930406,concluded Control Rod Scram Times Not in Compliance W/Ts Section 3.3.C.Caused by Faulty Scram Solenoid Pilot Valves.Solenoid Valves rebuilt.W/930813 Ltr | Hydrostatic Enforcement Discretion |
| 05000271/LER-1993-009 | 13 August 1993 | LER 93-009-00:on 930716,B Train of RHR Sys Declared Inoperable.Caused by Personnel Error Re Failure to Initiate Rev to Calibration Procedure OP 4347.Instrument re-calibrated & OP 4347 revised.W/930813 Ltr | |
| 05000271/LER-1990-008 | 29 June 1990 | LER 90-008-00:on 900529,identified That Cables Providing Power to post-accident Monitoring Instrument Loops Not Routed,Per Required Separation Criteria.Caused by Combination of Factors.Design Change prepared.W/900629 Ltr | |
| 05000271/LER-1987-003, :on 880412,personnel Found Functional Testing Not Been Tested in Accordance W/Tech Spec Requirements. Caused by Programmatic Tracking Program.Programmatic Tracking Sys Revised as Described in LER 87-03 | 10 May 1988 |
| Scram Discharge Volume |
| 05000271/LER-1983-009, Followup LER 83-009/01T-0:on 830321,primary Containment Isolation Sys Isolation of Containment Ventilation Sys Occurred.Caused by Mods to Reactor Protection Sys Motor Generator.Fuel Handling Activities Suspended | 1 April 1983 | Followup LER 83-009/01T-0:on 830321,primary Containment Isolation Sys Isolation of Containment Ventilation Sys Occurred.Caused by Mods to Reactor Protection Sys Motor Generator.Fuel Handling Activities Suspended | |
| 05000271/LER-1981-030, Updated LER 81-030/03L-1:cracks Found on Internal Surface of Valve Bodies & Seating Surfaces of Reactor Water Cleanup Valves Attributed to Surface Shrinking of Casting & Intergranular Stress Corrosion Cracking,Respectively | 1 July 1982 | Updated LER 81-030/03L-1:cracks Found on Internal Surface of Valve Bodies & Seating Surfaces of Reactor Water Cleanup Valves Attributed to Surface Shrinking of Casting & Intergranular Stress Corrosion Cracking,Respectively | |
| 05000271/LER-1981-026 | 3 November 1981 | LER 81-026/03L-0:on 811005,during Weekly Review of Surveillance Test Data,Discovered That Max Monthly Interval for Functional Test of Atws/Rpt Sys Exceeded by 4 Days. Caused by Oversight in Scheduling | |
| ML20064H221 | 13 December 1978 | /03L-0 on 781113:during Weekly Surveillance Re Radiological Environ Prog,Air Pump Motor Was Found Inoper. Time Meter Indicated Pump Had Operated Only 0.4 Hours.Air Pump Replaced & New Weekly Air Sample Initiated | |
| ML20064E328 | 13 November 1978 | /03L-0 on 781014:during Surveillance Test of Main Steam Isolution Valves,V2-86C Closed in 2.6 Seconds Rather than 3-5 Seconds Req in Tech Spec 4.7.D.1.a.1.Caused by Closing Speed Control Valve Coming Loose from Actuator | |
| ML20064E310 | 13 November 1978 | /03L-0 on 781016:weekly Review of Completed Surveillance Test Following Plant Startup Noted That Monthly Hydrogen Detector Functional Test Was Not Performed Due to Personnel Error | |
| ML20064H229 | 10 August 1978 | /03L-1 on 780626:during Increase of Reactor Pwr, Noted That Critical Pwr Ratio in 4 Symmetrically Located Fuel Bundles Was Below Tech Spec Values.Caused by Pwr Increasing Xenon Transient | |
| ML20064H168 | 25 July 1978 | /03L-0 on 780629:during Steady State Oper Motor Control Ctr 893 Lost Voltage Because B Uninterruptible Pwr Supply (UP5) Tripped Due to Blown Inverter Leg Fuse.Failed Components Replaced & Operability Test Performed | |
| ML20064H205 | 24 July 1978 | /03L-0 on 780625:during Steady State Oper,Noted That Drywell Atmospheric Temp Recorder TR-1-149 Was Inoperable.Caused by Recorder Failure Due to Broken Cord on Chart Drive Mechanism | |
| ML20064H174 | 24 July 1978 | /03L-0 on 780626:during Reactor Pwr Increase Noted That Local Critical Pwr Ratio in 4 Symmetrically Located Fuel Bundles Was Lower than Tech Spec Levels.Caused by Pwr Increasing Xenon Transient | |
| ML20064H132 | 24 July 1978 | /03L-0 on 780612:during Steady State Oper,Noted That Drywell Atmospheric Temp Recorder TR-1-149 Was Inoperable.Recorder Failed Due to Failed Idler Assembly | |
| 05000271/LER-1976-005, Telecopy LER 76-005:on 760217,portion of Procedure Associated W/Securing Plant from Shutdown Cooling Mode Not Performed.Caused by Failure of Plant Personnel to Follow Appropriate Plant Procedure | 18 February 1976 | Telecopy LER 76-005:on 760217,portion of Procedure Associated W/Securing Plant from Shutdown Cooling Mode Not Performed.Caused by Failure of Plant Personnel to Follow Appropriate Plant Procedure | |
| 05000271/LER-1975-003, Corrected LER 75-003:on 750204,core Spray Sys Pump Discharge Pressure Sensor PS-14-44A Actuated at 82 Psig.Caused by Setpoint Drift.Sensor replaced.W/750218 Ltr | 14 February 1975 | Corrected LER 75-003:on 750204,core Spray Sys Pump Discharge Pressure Sensor PS-14-44A Actuated at 82 Psig.Caused by Setpoint Drift.Sensor replaced.W/750218 Ltr |