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List of results
- ML060760468 + (RO Retake Written Examination Feb 2006)
- 05000280/LER-1977-012, RO S1-77-01 Re Failures of Hydraulic Shock Supports (Snubbers).Extent of Failures Reported in LER 77-12.All Snubbers Operable on 771207 Startup + (RO S1-77-01 Re Failures of Hydraulic Shock Supports (Snubbers).Extent of Failures Reported in LER 77-12.All Snubbers Operable on 771207 Startup)
- ML20086S094 + (RO S2-77-01, Missing Steam Generator Tube Plug-Hot Leg,Generator B,Row 1,Column 42)
- ML20039B370 + (RO SI-05:on 811020,while Technicians Were Performing Surveillance Test Procedure on Solid State Protection Sys Train B,Safety Injection Occurred.Caused by Procedure Step Missed by Technicians.Personnel Counseled)
- ML20052E526 + (RO SI-06:on 820329,safety Injection Occurred While Performing Surveillance Test on Solid State Protection Sys. Caused by Steam Line Isolation Safety Injection Block Not Being Reinstated Prior to End of Test)
- ML20082T125 + (RO SI-07/08:on 831104,steam Line Pressure Safety Injection Signal Switch Placed in Reset Instead of in-block Position. Train B Safety Injection Occurred.Caused by Personnel Error. Operator Counseled)
- ML20209D202 + (RO SNM Insp Rept 70-1193/73-08 on 731203-07.Noncompliance Noted:Limit of Error Associated W/Muf Exceeded 1.5 Kg Pu. Supporting Documentation Encl.Portions of Rept Details Illegible)
- ML20039B494 + (RO SO-313/81-014 Re GE Model 12CFD12B1A Relays Used on Emergency Diesel Generators for Monitoring Proper Voltage to Current Phase Angle.Potential Problems Exist If Mechanical Agitation Precedes Circuit Energization)
- ML20080H981 + (RO SP-N1-84-01:on 840109,I-131 Dose Equivalent Specific Activity Exceeded Tech Spec Limit.Caused by Minor Fuel Element Defects in Reactor Core.Primary Coolant Sampled & Analyzed at Accelerated Frequency)
- ML20081B617 + (RO SPR-84-003:on 840206,following Trip from 100% Power, Specific Activity Sample of Reactor Coolant Showed Peak Dose Equivalent I-131 Limit of Less than or Equal to 1.0 Uci.Caused by Fuel Element Defects in Reactor Core)
- ML20080N339 + (RO SPR-84-1:on 840106,specific Activity Sample of Reactor Coolant Showed Peak Dose Equivalent I-131 Level Exceeded Tech Spec Limits.Caused by Known Fuel Element Defects in Core.Tech Spec Requirements Implemented)
- ML20087B618 + (RO SPR-84-2:on 840118,specific Activity Sample of Reactor Coolant Showed Peak Dose Equivalent I-131 Level of 1.89 Uci,Exceeding Tech Spec Limit.Caused by Fuel Element Defects in Reactor Core.Dose Level Monitored)
- ML19316B106 + (RO SQRC-50-327/80049:on 800514,insufficient Clearance Found Between Support Guide 1-SIH-316 & 4-inch Safety Injection Pipe.Apparently Caused by Incorrect Installation Due to Misinterpretation of Specs.Guide Support Repaired)
- ML20037C885 + (RO SQRO-327/80196:on 801211,in Mode 5,during IE Bulletin 79-14 Review,Discovered That Thermon Heat Transfer Cement Could Result in Pipe or Hanger Failure.Caused by Failure to Consider Effect of Cement on Supports.Cement Removed)
- ML20032E637 + (RO Special Rept 81-8:on 811106,during Low Power Physics Testing,Measured Positive Moderator Temp Coefficient Exceeded Tech Specs.Control Rod Withdrawal Limits Issued. After Burnup,Unit Will Be in Compliance)
- 3F0184-22, RO Special Rept 84-01:on 840114,leak Found in Fire Suppression Water Sys,Rendering Sys Inoperable.Caused by Compliance W/Tech Spec Limiting Condition for Operation.Sys Returned to Operable Status on 840115 + (RO Special Rept 84-01:on 840114,leak Found in Fire Suppression Water Sys,Rendering Sys Inoperable.Caused by Compliance W/Tech Spec Limiting Condition for Operation.Sys Returned to Operable Status on 840115)
- ML20080N371 + (RO Spr 84-001:on 840110,licensee Voluntarily Entered Action Statement of Tech Spec 3.7.10, Fire-Rated Assemblies, by Opening Fire Doors to Chilled Water Pump Rooms.Further Calculations & Documentation Being Accomplished)
- AECM-80-137, RO Status Rept 2:on 800313,electrical Cable Insulation Damaged During Pulling Process.Caused by poly-propylene Pulling Rope Damaging Cables.Cables Replaced.Training Session Initiated.Final Rept to Be Submitted by 810131 + (RO Status Rept 2:on 800313,electrical Cable Insulation Damaged During Pulling Process.Caused by poly-propylene Pulling Rope Damaging Cables.Cables Replaced.Training Session Initiated.Final Rept to Be Submitted by 810131)
- AECM-80-133, RO Status Rept 3:on 800125,hand Switch CR-2940-US203E Supplied by GE Failed to Operate.Util Ae & Bechtel Power Corp Will Evaluate Switches.Final Rept to Be Submitted by 800918 + (RO Status Rept 3:on 800125,hand Switch CR-2940-US203E Supplied by GE Failed to Operate.Util Ae & Bechtel Power Corp Will Evaluate Switches.Final Rept to Be Submitted by 800918)
- ML20085F500 + (RO UE-1-74:on 740514,contacts on Relays AC-1 & AC-2 Failed to Open When Deenergized.Cause Unknown.Relays Returned to Manufacturer for Further Investigation)
- ML20085F558 + (RO UE-2-74:on 741017,startup Transformer Tripped During Quarterly Safety Injection Sys Test.Caused by Installation of Current Transformers Associated W/Differential Relays. Relays Removed from Svc Pending Investigation)
- ML20085F481 + (RO UE-74-3:re Possible Loss of Snm.Lists Probable Route of out-of-core Fission Chamber from Cleveland,Oh to Plant)
- ML20085E864 + (RO UE-75-010:on 751002,poison Rod Axial Growth Found in Facility Fuel.Possibly Caused by Radiation Induced Gowth. Power Level Limited to 80% & Primary Coolant Gross Gamma Radioactivity Monitored by Daily Samples)
- ML20085F478 + (RO UE-75-2:on 750329,control Rod 30 Failed to Drop Properly During Rod Drop Timing Test.Cause Not Determined.Further Investigation to Be Conducted at Next Cold Shutdown)
- ML20196B209 + (RO Update:On 981028,reactor Was Shutdown Upon Discovery That RB Ventilation Dampers Would Not Automatically Close.Damper Cylinder Was Repaired on 981102 & Reactor Operation Resumed on 981103)
- ML21144A254 + (RO Written Exam)
- ML20149K689 + (RO Written Exam (Test Answer Key))
- ML19023A191 + (RO Written Exam Historical Performance)
- ML20031D628 + (RO Written Examination Average Grades)
- ML22060A195 + (RO Written Examination Average Grades)
- ML20031D629 + (RO Written Examination Pass-Rates)
- ML22060A197 + (RO Written Examination Pass-Rates (2021))
- ML20031D654 + (RO Written Examination Performance Trend)
- ML22056A519 + (RO Written Examination Performance Trend (2021))
- ML081010310 + (RO and SRO Dresden Initial Exam - March 2008)
- ML22143B003 + (RO and SRO Exam Reference Handouts)
- ML19215A013 + (RO and SRO Exam with Handouts and Key Redacted)
- ML22173A106 + (RO and SRO Reference Handouts)
- ML24309A046 + (RO as Given Catawba 2024)
- ML19326A050 + (RO on 720411:loss of Secondary Containment Integrity Occurred Due to Ventilation Sys Supply Dampers Failure to Close.Caused by Electrical Short in Supply Breaker.Motor Leads Disconnected & Breaker racked-in)
- ML19290A431 + (RO on 720411:supply Dampers for Reactor Bldg Ventilation Sys Failed to Close During Performance of Routine Weekly Surveillance Test of Isolation of Reactor Bldg & Initiation of Standby Gas Treatment Sys)
- ML19256E659 + (RO on 720728:smoke Observed Coming from Weld Joint Area During Stress Relieving Temp Increase.Caused by Melted Piece of Polyvinyl Chloride on Insulation Blanket Covering Internally Mounted Resistance Heaters.Area Cleaned)
- ML19326A065 + (RO on 720926,two Pumps in Standby Liquid Control Sys Inoperable at Same Time.Caused by racked-out Pump Breaker. Breaker racked-in & Operations Procedures Revised)
- ML19290A432 + (RO on 720926:A & B Liquid Control Sys Pumps Inoperable at Same Time.Caused by Interlock in Starting Circuitry Preventing Pump B from Starting When Pump a Breaker Is in Racked Out Position.Operating Procedures Changed)
- ML19261F182 + (RO on 721108:during Prebaseline Ultrasonic Exams of Welds in Reactor Coolant Sys,Five Found W/Ultrasonic Reflectors Greater than American Matl Stds Inst B31.7 Code. Investigations & Destructive Sampling Under Way)
- ML19261F178 + (RO on 740213:during Complete Draining of Condensate Storage Tank 1B to Condenser Hotwell,Diaphragm Punctured in Several Places.Caused by Diaphragm Being Sucked Over Suction Screen Due to Design Inadequacy.Redesigned Screen to Be Installed)
- ML19261F272 + (RO on 740304:pump Failure During Hot Functional Testing. Caused by Shaft Fracture.Alternate Pump Activated & Motor & Pump Returned to Vendors for Insp & Repair)
- ML20084Q039 + (RO on 740310,motor Operated Steam Inlet Valve to Turbine MO-1301-61 Found to Be Inoperable.Caused by Problem in Gear Box.Repairs in Progress)
- ML20084Q024 + (RO on 740310,motor Operated Steam Inlet Valve to Turbine MO-1301-61 Found to Be Inoperable.Caused by Problem in Gear Box.Repairs in Progress)
- ML19261F268 + (RO on 740402:during Check of Penetration Pressurization Sys, Leak Detected in One of Four Air Coolers in Penetration 112 for a Main Steam Line.Tubing Disconnected & Plugged)
- ML19308A501 + (RO on 740409:during Filling of Sodium Thiosulfate Tank,Upper Section of Tank Buckled Inwards.Caused by Negative Internal Pressure.Repairs Under Way & Procedures to Prevent Recurrence in Preparation)