Pages that link to "ML20207G666"
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The following pages link to ML20207G666:
Displayed 50 items.
- 05000346/LER-1998-007, :on 980824,CR Humidifier Ductwork Failure Caused Excessive Opening in Positive Pressure Boundary. Caused by Less than Adequate Fabrication.Evaluation of CR Humidifiers Conducted.With (← links)
- 05000346/LER-1988-017, :on 880719,review of Roving Fire Watch Tour Documentation Identified Three Occurrences of Roving Fire Watches Exceeding 1 H Patrol Interval.Caused by Personnel Error.Tour Target Times Established (← links)
- 05000346/LER-1983-063-03, /03L-1:on 831110,criteria for Separation Between Fire Areas Not Met.Caused by Design Error.Fire Watch Established.Analysis Determined Fire Barriers Adequate (← links)
- 05000346/LER-1983-038-03, /03L-1:on 830725,half Trip of Steam & Feedwater Line Rupture Control Sys Actuation Channel 1 & Spurious Trip of Logic Channel 1 Occurred.Caused by Failed Power Supply & Relay Driver Board,Respectively.Parts Replaced (← links)
- 05000346/LER-1982-039-03, /03X-1:on 820820,containment to Shield Bldg Differential Pressure Reached Max of 25.2 Inches of Water, Exceeding Tech Specs.Caused by Design Error in Purge Sys Valves.Startup Procedure Pp 1102.02 Revised (← links)
- 05000346/LER-1985-005-01, :on 851230,12 Boot Seal Seams Determined to Have Inadequate Overlap.Caused by Inadequate Procedure. Procedure MP 1700.29, Fabrication Installation of Flexible Pressure & Fire Seals Generated (← links)
- 05000346/LER-1988-016, :on 880713,walkdown of Relay Cabinets Identified Nonconforming Electrical Cable Separation Conditions.Caused by Poor Control of Design Implementation & Designer/Const Interface (← links)
- 05000346/LER-1986-006, :on 860102,determined That Environ Qualification Program Inadequately Established.Caused by Overdue Maint,Lack of Records Documenting Maint Activities & Incorrect Installation of Equipment (← links)
- 05000346/LER-1988-005, :on 880121,inoperable Fire Barrier W/Inoperable Fire Detection Discovered.Caused by Procedural Inadequacies. Procedures Revised to Require More Thorough Review of Design Package Prior to Implementation (← links)
- 05000346/LER-1988-008, :on 880312,discovered That Nuclear safety- Related (NSR) Equipment Located within Falling Arc Distance of Nonseismic Electrical Panel.Potential for Panels to Fall & Impact NSR Equipment Overlooked (← links)
- 05000346/LER-1988-007, :on 880304,discovered That Air Operated Temp Control Valves for DHR HXs Inoperable.Caused by Air Leakage from Valve Accumulator Sys.Valve CC1469 Opened & Operator Manually Engaged to Hold Valve Open (← links)
- 05000346/LER-1988-014, :on 880609,roving Fire Watch Exceeded Hourly Patrol Time Limits for Five Turbine Bldg Rooms.Caused by Testing of Bar Code Sys & Fire Patrol Training.Personnel Counseled During Shift Meetings (← links)
- 05000346/LER-1987-003-01, :on 880113,fire Protection Personnel Determined That Supervised Circuits Supervision Ground Fault Detection on Panel C-4720 Inoperable.Caused by Inadequate Procedure. Fault Module & Wiring Error Corrected (← links)
- 05000346/LER-1988-001, :on 880106,seismic Trigger Installed in June 1977 Determined Not to Meet Tech Spec Frequency Range Response.Cause Due to Original Trigger Being Replaced When Surveillance Test Failed (← links)
- 05000346/LER-1987-003, :on 870108,discovered Seven Mode Changes Occurred W/Containment Air Cooler Svc Water Outlet Valve Declared Inoperable.Caused by Tech Spec Inconsistency. Maint Work Order Completed (← links)
- 05000346/LER-1987-008, :on 870330,safety Features Actuation Sys (Sfas) Channel 4 Sequencer Failed Monthly Surveillance Test. Caused by Degraded Sfas Logic Power Supply.Power Supply Electrical Connection Repaired (← links)
- 05000346/LER-1997-008, :on 970318,inadequate Testing of Safety Related Logic Was Identified.Caused by Personnel Error.Testing Was Performed to Verify Equipment Operability (← links)
- 05000346/LER-1986-030, :on 860709,discrepancies Found Between License Amend 18 Commitments & Actual Plant Conditions Re Kaowool Wraps,Emergency Lighting & Fire Detection.Compensatory Measures Initiated & Mod Packages Developed (← links)
- 05000346/LER-1978-095-03, /03L-0:on 780905,station Batteries Weekly Surveillance Test Not Performed Until 780906.Caused by Personnel Error (← links)
- 05000346/LER-1978-090-03, /03L-0:on 780813,makeup Pump 1-2 Declared Inoperable Due to Excessive Oil Leakage from Inboard Reflector Disk.Caused by Personnel Leaving Sealant Around Disc,Preventing Proper Oil Seal.Pump Cleaned & re-assembled (← links)
- 05000346/LER-1978-091-03, /03L-0:on 780815,svc Water Sys Valve Test Notrmed Performed within Required Time Limit.Caused by Personnel Misinterpreting Surveillance Test Schedule.Test Schedule Computer Program Modified,Alleviating Confusion (← links)
- 05000346/LER-1981-067-03, /03X-1:on 811022,latch on Outer Personnel Lock Area Outer Door Went to Shut Position But Did Not Shut & Inner Door Opened.Caused by Excessive Bearing Wear Due to Design Deficiency.Damaged Camrol Replaced (← links)
- 05000346/LER-1983-009-03, /03X-1:on 830207,containment Isolation Valve CV5010D Failed to Close Electrically.Caused by Failure of Torque Switch Contacts.Torque Switch Replaced & Maint Procedures Written (← links)
- 05000346/LER-1997-007, :on 970305,determined That Acceptance Criteria of Surveillance Test to Measure Leakage Into Dh Valve Pit Potentially non-conservative.Caused by Human Error. Surveillance Test Revised (← links)
- 05000346/LER-1986-013, :on 860312,deficiencies Identified Re Containment Spray & Low Pressure Injection/Decay Heat Pipe Supports.Stress Levels Exceed Sar,But within Interim Allowances.Rework Underway (← links)
- 05000346/LER-1985-017, :on 850906,during Auxiliary Steam Testing of Auxiliary Feed Pump 1-1,steam Generator 1-1 Pressurized to More than 237 Psig W/Secondary Fluid Temp Less than 110 F. Caused by Personnel Error.Personnel Counseled (← links)
- 05000346/LER-1997-010, :on 970504,Main Transformer Deluge Sys Automatically Actuated Due to Degraded Temp Sensor in Transformer Fire Detection Sys.Replaced Damaged Main Transformer & Sensors That Actuate Deluge Sys (← links)
- 05000346/LER-1983-020-03, /03X-1:on 830428,pressurizer Sample Isolation Valve Failed to Close.Caused by Personnel Error & Inadequate Maint Procedures.Torque Switch Reset,Valve Stem Cleaned & Lubricated & Maint Order 1-83-3114-00 Rewritten (← links)
- 05000346/LER-1981-035-03, /03X-1:on 810624,analysis of Containment Purge Exhaust Valves Determined That Valves Not Operable Per Design of Sar.Caused by Design Deficiency by H Pratt.Valves Disabled to Prevent Use in Models 1-4 (← links)
- 05000346/LER-1985-020, :on 851004,during Maint on Fire Protection Sys, Diesel Fire Pump Tripped.Caused by Broken Pump Speed Switch Connection & Defective Coolant Pump Seal.Repair & Full Operability of Pump Awaiting Receipt of Parts (← links)
- 05000346/LER-1985-019, :on 851007,PORV Discharge Line Overstressed Due to Inability to Maintain 500 F Loop Seal.Caused by Difficult Heat Trace Application.Drain Line Added Upstream to PORV & Piping Welds Examined (← links)
- 05000346/LER-1985-018, :on 851004,during Review of Control Room Emergency Ventilation Sys,Cooling Sys Determined Inoperable. Causes May Include Component Failures & Design Problems. Conditions Possible Since Startup (← links)
- 05000346/LER-1985-021, :on 851031,during Safety Features Actuation Sys (Sfas) Review,Output Module Logic Determined Untested.Caused by Procedural Inadequacy.Integrated Sfas Test Revised to Add Required Addl Testing (← links)
- 05000346/LER-1982-051-03, /03X-2:on 820921,full Trip Received on Steam & Feedwater Rupture Control Sys Channel 3.Caused by Failure of Field Contacts Input to 48-volt Dc/Dc Power Supply & Component Failure.Fcr 84-102 Issued (← links)
- 05000346/LER-1985-015-01, :on 850724,defect in Procedure for Setting Torrey Pines Limitorque Valve Operators Discovered.Initially Reported in 850729 10CFR21 Rept.New Procedures for Setting & Testing of Limitorque Valves Generated (← links)
- 05000346/LER-1983-032-03, /03L-1:on 830628,during Auxiliary Feedwater Functional Test,Nest Power Supply in Cabinet Turned Off. Caused by Staff Using Cabinet for Observations.Power Returned.Plate Installed Over Switch (← links)
- 05000346/LER-1983-027-03, /03X-1:on 830428,valve RC240B Declared Inoperable. Caused by Inadequate Maint Procedures & Lack of Proper Training.Torque Switch Set to E-15 Settings & Valve Stem Cleaned & RC240B Returned to Svc (← links)
- 05000346/LER-1986-002, :on 851210,during Sys Review & Test Program, Emergency Diesel Generators Noted as Not Being Proven to Start Five Times from 200 Psig Air Receiver Pressure.Field Change Request 85-310A Revised (← links)
- 05000346/LER-1986-001, :on 851209,determined That as-built Configuration of Svc Water Pump Room Ventilation Sys Inadequate During post-LOCA Conditions.Caused by Lack of Adequate Technical Review.Mods Developed (← links)
- 05000346/LER-1997-005, :on 970212,failed to Perform Surveillance Requirement of Vacuum Leakage Rate Test.Caused by Inadequate Safety Evaluation.Personnel Entered Containment & Verified Kamlock Cover Was Properly Installed (← links)
- 05000346/LER-1985-013, :on 850609,main Feedwater Pump 1 Tripped on Overspeed Due to Control Problem.Reactor Also Tripped on High RCS Pressure Because of Inadequate Feedwater.Corrective Actions Not Yet Determined (← links)
- 05000346/LER-1997-004, :on 970203,RCP Motor Oil Piping Was Not Protected from Leakage as Required Per 10CFR50 App R.Caused by Personnel Not Realizing Pressurized Piping in Area. Mods Made to Contain Piping as Necessary (← links)
- 05000346/LER-1997-003, :on 970130,non-conservative TS Action for Degraded Reactor Coolant Flow,Occurred Because Calculations Performed in Support of Amend of DBNPS Did Not Consider Need to Adjust Setpoints.Ts Will Be Revised (← links)
- 05000346/LER-1985-012, :on 850603,during Auxiliary Feedwater Sys Refueling Test,Control Room Panel Flow Meter Indicated Flow. Caused by Reversed Wires on Dual Indicating Panel Meter. Wires Corrected (← links)
- 05000346/LER-1985-016, :on 850802,determined That Strainers Still Installed in Suction Piping of HPI Pumps Not Considered in Operating Design.Caused by Failure to Remove Strainers Following Const.Strainers Removed (← links)
- 05000346/LER-1996-007, :on 961003,CR Emergency Ventilation Sys Design Bases Calculation Error Occurred.Caused by Error in Bechtel Calculation 26.003,CR Pressurization Sys.Cr Boundary Openings Were Verified (← links)
- 05000346/LER-1996-010, :on 961212,CREV Sys Were Not Realized as Inoperable When Radiation Monitors Were Inoperable.Caused by Misinterpretation of Relationship Between Radiation Monitors & Crevs.Standing Order 96-006 Issued (← links)
- 05000346/LER-1985-008, :on 850420,computer Heat Balance Calculation Inaccuracy Noted & Inoperable Channel Not Placed in Tripped Condition.Caused by Failure of Feedwater Flow Transmitter. Transmitter Will Be Repaired (← links)
- 05000346/LER-1983-060-03, /03X-1:on 831104,hydrogen Dilution Train 1 Containment Isolation Valves CV5090,CV5071 & CV5070 Failed. Caused by Failure of Torque Switch,Deficient Gear Limit Switch & Faulty Control Switch,Respectively (← links)
- 05000346/LER-1984-013, :on 840911,inadvertent Turbine Trip Occurred from 70% Full Power,Causing Reactor Trip.Caused by Dunnage Timber Sliding Into Piping Supporting Moisture Separator Water Level Switch.Personnel Counseled (← links)