Pages that link to "PNO-IV-80-004, licensee Discovered Cracks in One of Two Containment Spray Sys in Reactor Bldg.Licensee Will Inspect. Plant Presently in Cold Shutdown While Performing Mods Required by NUREG-0578"
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The following pages link to PNO-IV-80-004, licensee Discovered Cracks in One of Two Containment Spray Sys in Reactor Bldg.Licensee Will Inspect. Plant Presently in Cold Shutdown While Performing Mods Required by NUREG-0578:
Displayed 50 items.
- PNO-IV-85-061, on 851206,scheduled Maint Outage Will Begin. Replacement of Expansion Joint in Feedwater Heater & Repair of Main Generator Cooling Sys Hydrogen Leak Will Be Completed.Restart Scheduled for 851211 (← links)
- PNO-IV-85-049, on 850928,cooldown Commenced to Replace Seal on Reactor Coolant Pump C.Seal Cartridge Developed Crack Where Middle Cavity Seal Pressure Sensing Line Joins Cartridge.Startup Scheduled for 851003 (← links)
- PNO-IV-86-005, on 860113,emergency Diesel Generator Declared Inoperable Due to Failing Monthly Surveillance Test.On 860116,reactor Shut Down for Outage to Repair Generator. Several Damaged Piston Wrist Pin Bearings Found (← links)
- PNO-IV-97-017, on 970324,Arkansas Nuclear One Initiated Loading of Third VSC-24 Canister for Storage of Spent Fuel at Plant Isfsi.Licensee Initiated Repair of Crack by Grinding Out Defective Area (← links)
- PNO-IV-85-042, on 850819,manual Reactor Trip Occurred When Main Feedwater Pump B Turbine Speed Governor Failed, Causing Transient.Repairs Underway on Leaking Secondary Handhole of Steam generator.One-wk Outage to End 850726 (← links)
- PNO-IV-85-047, on 850913,during Shutdown for Replacement of Seals on Two Reactor Contact Pumps,Main Steam Isolation Actuated.Caused by Personnel Error.Unit Will Be Shut Down for Approx 1 Wk.Press Release Will Be Issued by Licensee (← links)
- PNO-IV-96-063, on 960603,licensee Restricted from Loading Spent Fuel Into Sierra Nuclear VSC-24 Casks Per Terms of Confirmatory Action Ltr (Cal).Licensee Responded to Both CAL & Bulletin & NRC Completed Review of Responses (← links)
- PNO-IV-80-032, on 800905,uncontrolled Release of Radioactive Gases Through Plant Stack Occurred When During Cooldown Letdown,Sys Relief Valve Lifted & Remained Open About 5 Minutes.Estimated Release Less than Tech Spec Limit (← links)
- PNO-IV-88-014, on 880224,contractor Employee Fell & Received Gash on Forehead After Hitting Head on Overhead Duck.Individual Surveyed But No Contamination Found.Employee Transported to Local Hosp.State of AR Not Informed (← links)
- PNO-IV-85-056, on 851108,info Pickets Established at Const Contractor Entrance Following 851107 Press Release by State of AR.AFL-CIO Protesting Replacement of Bechtel W/Daniel Const.Security Will Be Increased for 851123 Protest (← links)
- PNO-IV-96-061, on 961116,ANO Unit 2 Shutdown for Small SG Tube Leak.Licensee Plans to Conduct Insps to Locate, Characterize & Repair Leaking Tube.State of AR Informed & Plans to Issue Press Release (← links)
- PNO-IV-85-033, on 850715,licensee Announced Significant Cost Curtailment Program Due to State of AR PSC Rejection of Licensee Settlement Proposal for Sharing Const Cost of Grand Gulf (← links)
- PNO-IV-85-025, on 850531,unit Tripped from 100% Power Due to Unexplained Closure of Main Turbine Intercept Valves.Steam Pressure from Valves Caused Long,Narrow Crack in Expansion Joint.Steam Leak Isolated When Turbine Tripped (← links)
- PNO-IV-85-026, on 850607,unit Placed in Mode 2 for More than 2 Days.Caused by Listed Maint Needed After Operation at 95% Full Power.Unit Scheduled to Return to Power on 850612 (← links)
- ML20125E303 (redirect page) (← links)
- PNO-IV-80-004 (redirect page) (← links)
- PNO-IV-79-010, on 791017,inadvertent Release of Radioactive Gas.Air Sample in Makeup Tank Initiated,Stack Monitor Alarmed & Sampling Terminated.Rate of Radioactive Release Exceeded Tech Spec Limit by 2.36 (← links)
- PNO-IV-79-009, on 791016,reporter Interviewed Plant Manager Re Repts of Radioactive Leakage instances:790926,leakage Past Packing on Two Primary Sys Valves Into Bldg & 791012, Shutdown Cooling Heat Exchanger Leak to Svc Water Sys (← links)
- PNO-IV-88-038, on 880507,outage Extension Occurred Due to Uncoupled Control Element Assembly.Cause Under Investigation.Initial Investigation Indicates Vessel Assembly Weight Coupling Checks Performed (← links)
- PNO-IV-88-035, on 880503,control Element Assembly Exceeded Tech Spec Limit of 3 During Rod Drop Test.Plant Startup on Hold Pending Resolution of Issue.Licensee Reviewing Safety Analysis Assumptions & Anticipate Tech Spec Amend (← links)
- PNO-IV-88-073, on 880830,personnel Heat Exhaustion Occurred Due to Physical Exertion While Wearing Anticontamination Clothing in High Temp Environ.Personnel Treated in Hosp. Restrictions Placed on Future Work Activities (← links)
- PNO-IV-88-074, on 880901,addl Case of Personnel Heat Exhaustion & Transport of Contaminated Individual Occurred. Individual Became Ill After 25 Minutes in Area W/Wbgt of 86.6 F.Program to Reduce Risk of Exhaustion Instituted (← links)
- PNO-IV-88-059, on 880724,unit Shut Down & Cooldown Commenced to Replace Leaking Gaskets for Two Flanges on Pressurizer. Plant Restart Expected to Begin by 880727 (← links)
- PNO-IV-98-066, on 981225,large Influx of Fish (Shad) Affected Unit 1 Intake Structure,Resulting in Degraded Available Circulating Water Pump Suction Pressure.Shade Runs Have Historically Occurred as Result of Cyclic Changes (← links)
- PNO-IV-88-086, on 881102,individual Performing Maint Activities on Steam Generator B Insp Cover Received Radiological Exposure of 3.216 Rem to Right Thigh.Nrc Dispatched to Site on 881103.Region IV Informed (← links)
- PNO-IV-85-048, on 850917,control Rod Dropped,Causing Plant Runback to Approx 38% Power.Caused by Repair to CRD Stator. Cooldown Commenced to Repair Stator (← links)
- ML20207H125 (← links)
- PNO-IV-86-025, during Refueling Outage & Valve Insp of Unit 2,valve Operator Environ Qualification Deficiencies Identified in Limitorque motor-operated Valves.Cause Unknown.Insp & Rework of Valves Continuing (← links)
- PNO-IV-88-091, on 881123,hot Particle Was Identified by Portal Monitor as Worker Was Exiting non-radiological Work Area Located on Turbine Bldg Roof.Licensee Conducting Investigation to Determine Origin (← links)
- PNO-IV-87-003, on 870109,commenced Unit Shutdown & Cooldown to Repair Small Tube Leak in Steam Generator A.On 870110, Plant in Cold Shutdown.Licensee Plans to Place Unit Back on Line on 870118 (← links)
- PNO-IV-89-028, on 890418,reactor Trip Due to Main Turbine Trip Occurred.Cause Unknown.Pump Reset & Restarted & Both Turbine Driven & Motor Driven Emergency Feedwater Pumps Operated to Maintain Steam Generator Water Level (← links)
- PNO-IV-87-038, region Initiated Augmented Insp Team (AIT) to Review Circumstances Associated W/Elevated Reactor Bldg Temps & Assess Impact on Equipment Operability & USAR Accident Analysis.Ait Scheduled to Begin Work on 870818 (← links)
- ML20249B899 (← links)
- ML20249A899 (← links)
- ML20249A893 (← links)
- ML20248L328 (← links)
- ML20248L138 (← links)
- ML20248F324 (← links)
- PNO-IV-89-034, on 890517,unisolable RCS Pressure Boundary Leak Identified on Socket Weld on Cold Leg Drain Line. Possible Control Rod Drive Flange Leak Being Investigated & Insp of Reactor Bldg Continuing (← links)
- PNO-IV-89-042, on 890623,plant Shutdown Commenced Due to Increased RCS Leakage.Caused by Fatigue in Vent Line on Reactor Coolant Pump C Seal Pressure Sensing Line.Plant Heatup Expected to Begin on 890626 (← links)
- ML20236W781 (← links)
- PNO-IV-89-012, on 890204,licensee Issued Condition Rept Re DHR Suction Line Pipe Support Damage.Damage Involves Obvious Unexpected Movement at Pipe Support Which Caused Damage to Lugs.Conference Call to Review Scheduled for 890301 (← links)
- PNO-IV-87-032, on 870706,leakage Found in RCS Pressure Boundary.Caused by Leaking Seal Weld on Dummy Heater Plug on Bottom of Pressurizer.Rcs Drained & Seal Weld Repaired. Outage Duration About 1 Wk.State of AR Informed (← links)
- ML20217A350 (← links)
- ML20217A020 (← links)
- PNO-IV-87-038A, preliminary Results of Investigations of Reported High Containment Temps at Facility Substantiated Basis for Justifications for Continued Operations Submitted by Licensee on 870814 & 18 (← links)
- PNO-IV-86-033, on 861104,power Reduced from 100% to Go to Cold Shutdown to Repair body-to-bonnet Seal Ring Leak on Check Valve a in Main Feed Header to Steam Generator B.Leak Rate Estimated to Be Approx 2 to 3 Gpm (← links)
- PNO-IV-86-032, on 861023,boric Acid Corrosion on HPI Nozzle for Penetration Into Reactor Coolant Pump a Discharge Pipe discovered.Body-to-bonnet Leak on Manual Isolation Valve in HPI Apparent Source.B&W to Assist in Evaluation of Problem (← links)
- PNO-IV-86-030, on 860924,following Reactor Trip on High RCS Pressure,Quench Tank Parameters & Tail Pipe Temp Indicated That One or Both Pressurizer Safety Valves Lifted.Caused by Improper Setup During Lift Test.Retest in Progress (← links)
- PNO-IV-87-022, on 870424,nonisolable Leak on RCS Pressurizer Vessel Lower Head Discovered & Plant Shut & Cooled Down. Cause Under investigation.C-E Sending Personnel to Assist in Investigation (← links)