Pages that link to "PNO-I-86-028, on 860411,controlled Shutdown Initiated to Investigate Three Leaking Valves in LPCI Portion of RHR Sys. During Shutdown,Reactor Scrammed at Low Power When MSIVs Closed.Caused by Faulty Reactor Mode Switch"

The following pages link to PNO-I-86-028, on 860411,controlled Shutdown Initiated to Investigate Three Leaking Valves in LPCI Portion of RHR Sys. During Shutdown,Reactor Scrammed at Low Power When MSIVs Closed.Caused by Faulty Reactor Mode Switch:

Displayed 50 items.

• ML20137Z160 ‎ (← links)
• PNO-I-97-019, on 970401,declared Unusual Event at Pilgrim Nuclear Power Station,Due to Inability to Provide Offsite Electrical Power to Safety Related Electrical Busses.Loss of Offsite Electrical Power Resulted from Faults on Lines ‎ (← links)
• PNO-I-86-028 (redirect page) ‎ (← links)
  • PNO-I-86-028, on 860411,controlled Shutdown Initiated to Investigate Three Leaking Valves in LPCI Portion of RHR Sys. During Shutdown,Reactor Scrammed at Low Power When MSIVs Closed.Caused by Faulty Reactor Mode Switch ‎ (← links)
  • ML20236J989 ‎ (← links)
• PNO-I-86-028, on 860327,shutdown Commenced Due to Continuing Erratic Setpoint Drift of Static O-ring Differential Pressure Switches.Ring Low Level Scram Sensors Will Be Replaced & Minor Changes Made to Connecting Piping (redirect page) ‎ (← links)
  • PNO-I-97-024, on 970422,Oyster Creek Nuclear Generating Station Commenced Controlled Shutdown of Unit Due to Equipment Problems.Unit Expected to Be Shut Down for Six Days for Correction of Diaphram Problem ‎ (← links)
  • PNO-I-97-022, on 970410,GPU,Inc Announced,Addition to Continued Operation of Oyster Creek & Also Exploring Options of Sale.Util Will Begin Next Wk to Develop Plans to Support Sale of Plant,Decommissioning & Personnel Retention ‎ (← links)
  • PNO-I-85-087, on 851120,reactor Scram Occurred Due to Main Generator Trip Causing Main Turbine Trip.After Scram,Main Steam Lines Isolated.Plant Brought to Cold Shutdown.Operator Manually Initiated Isolation Condenser ‎ (← links)
  • PNO-I-86-004, on 860117,nine Plant Workers Contaminated w/short-lived Rb-88 & Cs-138.Caused by Buildup of Gases in Offgas Bldg After Offgas Sys Shut Down for Maint.Slight Radioactivity Detected at Bldg Vent ‎ (← links)
  • ML20140F406 (redirect page) ‎ (← links)
  • PNO-I-96-078, on 961025,licensee Manually Scrammed Reactor Due to Turbine Runback,Resulted from Problem in Stator Cooling Sys.Resident Will Continue to Follow Event ‎ (← links)
  • PNO-I-85-052, on 850722,reactor Shutdown Initiated as Result of Degradation of Emergency Svc Water Sys.Caused by HX Differential Pressure Problems.Use of Television Camera to Examine Inner Pipe Wall Planned ‎ (← links)
  • PNO-I-93-006, on 930125,licensee Notified NRC That Reactor Vessel Core Temp Exceeded 212 Degrees F During Shutdown Cooling Operations.No Core Damage or Radioactive Release Occurred.Inspectors Reviewing Event.State of Nj Notified ‎ (← links)
  • PNO-I-85-042, on 850612,during Recovery Process Following Reactor Trip,Reactor Bldg Deluge Fire Protection Sys Initiated.Caused by Smoke from Hot Blistering Paint on Scram Discharge Vol Piping.Reactor Currently in Cold Shutdown ‎ (← links)
  • PNO-I-80-051, on 800328,licensee Reported That Core Spray Sys Sparger Insp Found 28 New Cracks.Proposed Repairs Include Installation of Clamps ‎ (← links)
  • PNO-I-80-034, on 800302,two Individuals Showed Significant Whole Body Counts of Co-60.Licensee Review Indicated Exposure Occurred While Wiping Down Control Rod Blade Tool W/No Respiratory Protection ‎ (← links)
  • PNO-I-80-026, on 800125,27 & 0213,pinhole Leaks Found in Transfer Pipe from Condensate Storage Tank During Insp of Pipe.Contaminated Soil Was Removed & Pipe Replaced.Media Interest Expected ‎ (← links)
  • PNO-I-88-099, on 880929,steam Lines for Both a & B Isolation Condensers Partially Filled W/Water Placing Steam Lines in Potential Inoperable Condition.Plant Shutdown.Licensee Disabled Automatic Initiation Sys ‎ (← links)
  • ML20151U556 ‎ (← links)
  • ML20151Q057 ‎ (← links)
  • PNO-I-88-072, on 880709,inboard MSIV Failed Full Closure Test.Subsequent Testing Indicated That Valve Stem May Be Separated from Valve Disc.Msiv Repair Estimated to Take 18 Days ‎ (← links)
• ML20133A820 ‎ (← links)
• PNO-I-80-002, on 800223,observed Two Individuals Climb Protected Area Barrier Fence on East Side of Site. Individuals Eluded Security Force Surveillance.All Onsite Personnel Identified ‎ (← links)
• PNO-I-80-024, on 800210,facility Lost Incoming 345 Kv Transmission Line.Caused by External Power Sys Problems.Core Defueled & Spent Fuel Pool Temp Remained Relatively Constant During Event ‎ (← links)
• PNO-I-86-026, on 860404,reactor Scrammed During Shutdown for Repair of Leaking RHR Valve.Caused by Unexpected Closing of MSIV Valves Due to Reactor Mode Switch Problem.Cooldown Effected by Releasing Steam Into HPCI Sys ‎ (← links)
• PNO-I-88-058, on 880527,util Mgt Halted Performance of General Maint at Facility.Licensee self-assessment Completed on 880526 Identified Maint Program Weaknesses.Addl Maint Tasks Being Reviewed on case-by-case Basis ‎ (← links)
• ML20151X465 ‎ (← links)
• ML20151X431 ‎ (← links)
• ML20151U161 ‎ (← links)
• PNO-I-88-019, on 880211,fire in Contaminated Area of Machine Shop Discovered.Fire Identified as Burning Insulation from heat-treating Machine Being Used on Valve Disc in Shop.Fire Extinguished.No Spread of Contamination from Area Occurred ‎ (← links)
• ML20199L884 ‎ (← links)
• PNO-I-97-072, on 971123,operators Initiated Plant Shutdown When Main Steam Isolation Valves AO-203-1C & AO-203-2B Were Declared Inoperable During Surveillance Test ‎ (← links)
• PNO-I-91-046, on 910626,irradiated Fuel Bundle Became Degrappled from Refuel Bridge Handling Device.Caused by Grapple Mechanism Failure to Unlatch Fuel Bundle.All Fuel Movement Operations Secured ‎ (← links)
• PNO-I-86-057, projected Startup Date Extended to Early 1987 for Performance of Three Addl Tasks Re Fire Protection Mods, Installation of Primary Containment Structure Enhancements & Reactor Refueling.Plant Shut Down Since 860412 ‎ (← links)
• PNO-I-86-037, on 860501,approx 80 Laborers Staged Wildcat Walkout in Response to Disciplinary Action Against Worker. Striking Laborers Fired.Rock Throwing Reported.Plant Currently Shut Down for Maint Outage ‎ (← links)
• ML20202J829 (redirect page) ‎ (← links)
• ML20207H192 ‎ (← links)
• ML20206R693 ‎ (← links)
• PNO-I-97-061, on 970922,util Informed Region I of Receipt of Internal Nuclear Safety Concern Potentially Involving Instance of Falsification of Control Room Log in 1989.Formal Investigation Initiated & Press Release Issued ‎ (← links)
• ML20214F520 ‎ (← links)
• PNO-I-86-092, on 861119 All Offsite Power Lost.Caused by Heavy Storm & High Winds in Site Vicinity.Onsite Available Diesel Fuel Supplies Sufficient to Operate Diesels in Excess of 100 H ‎ (← links)
• ML20212N991 ‎ (← links)
• PNO-I-87-003, on 861224,health Physics Technician Found Dead at Residence.On 870127,cause Determined to Be drug-related. Facility Drug Surveillance Increased & Fitness for Duty Policy Revised ‎ (← links)
• PNO-I-89-027, on 890412,RCIC Injection Valves Unexpectedly Opened During Testing of Sys Logic.Discharge Check Valve Failure Also Allowed Feedwater Backleakage,Contaminating Five Workers Slightly.Augmented Insp Team Dispatched ‎ (← links)
• ML20238D859 ‎ (← links)
• ML20249B583 ‎ (← links)
• ML20249B238 ‎ (← links)
• ML20249B165 ‎ (← links)
• ML20249B134 ‎ (← links)
• ML20249B126 ‎ (← links)
• ML20249A136 ‎ (← links)
• ML20248L588 ‎ (← links)
• ML20248H931 ‎ (← links)
• ML20247C971 ‎ (← links)
• PNO-I-89-049, on 890626,WT Russell Approved NRC Restart Assessment Panel Recommendation to Release Licensee from Third NRC Approval Point in Licensee Power Ascension Test Program.Testing Activities Scheduled for Next Phase ‎ (← links)
• ML20245D007 ‎ (← links)
• ML20236V043 ‎ (← links)
• ML20236U908 ‎ (← links)
• ML20236U853 ‎ (← links)
• ML20236U533 ‎ (← links)
• ML20236U018 ‎ (← links)
• PNO-I-87-106, NRC Dispatched Augmented Insp Team to Facility to Commence Insp on 871115.Insp Will Focus on Sequence of Events & Licensees Response Re 871112 Loss of Offsite Power. Team Expected Onsite 871115-20 ‎ (← links)
• PNO-I-87-104, on 871107 & 08,util Identified Potential Breach of Security Vital Area Barrier & Series of Radiological Problems.Ongoing Maint & Mod Work Onsite Suspended.Licensee Presently Evaluating Situation ‎ (← links)
• PNO-I-87-069, corrects & Updates Info Contained in 870728 PNO-I-87-068 Re 870727 Apparent Contamination of Worker W/ Radium.Licensee Subsequently Determined That Worker Contaminated w/Pm-147.Clean-up Will Be Performed by Worker ‎ (← links)
• ML20236F419 ‎ (← links)
• PNO-I-87-068, on 870727,contractor Worker Found to Be Radioactively Contaminated W/Radium.Caused by Worker Attempt to Remove Radium from Watch Dial.Licensee Decontaminated Worker & Furnished Other Health Physics Assistance ‎ (← links)
• ML20236E926 ‎ (← links)