Pages that link to "PNO-V-85-046, on 850720,reactor Tripped from 100% Power Due to Turbine Trip on Loss of Unit Auxiliary Transformer.Caused by High Temp When Failure of Control Relay Caused Loss of Cooling Fans"
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The following pages link to PNO-V-85-046, on 850720,reactor Tripped from 100% Power Due to Turbine Trip on Loss of Unit Auxiliary Transformer.Caused by High Temp When Failure of Control Relay Caused Loss of Cooling Fans:
Displayed 50 items.
- ML20138H173 (← links)
- PNO-V-85-070, on 851008,two Plant Mod Personnel Received First & Second Degree Burns on Hands & Arms Due to Fire in Motor Control Ctr.Caused by Short Circuiting of Bus Bar by hand-held Cordless Drill (← links)
- PNO-V-85-063, on 850924,reactor Tripped Due to Loss of Main Feedwater Pump.Caused by Work on Condensate Demineralizer Sys Resulting in Flow Oscillations.Reactor Will Be Taken to Mode 5 to Repair Pressurizer Safety Valves (← links)
- ML20132C603 (redirect page) (← links)
- PNO-V-85-046 (redirect page) (← links)
- PNO-V-85-039, on 850704,17 Gpm Leak Occurred Through RCS Drain Valves.Cause Not Reported.Leak Reduced by Increasing Torque on Valves.Torque within Manufacturer Requirements. Restart Activities Recommended After Valve Correction (← links)
- PNO-V-93-002, on 930113,L Marbet Held Press Conference W/ Portland,Or Media & Alleged That NRC Had Inappropriately Authorized Feb 1992 Restart of Plant.Util Announced on 930104 That Operation of Plant Would Be Permanently Ceased (← links)
- PNO-V-92-038, on 921209,B Roberts Plans to Notify News Media of Request of or Energy Facility Siting Council to Hold Hearing on Utility Steam Generator Safety (← links)
- PNO-V-92-037, on 921201,meeting Conducted at Plant to Address 921109 Steam Generator Tube Leak & Licensee Request for Emergency TS Change to Permit Restart (← links)
- PNO-V-88-031, on 880512,engineering Walkdowns of Pipe Whip Restraints Identified That Pressurizer Surge Line in Contact W/Upper Shim Pack of Pipe Whip Restraint 1.2.Possibly Caused by Difference Between Pressurizer & Hot Leg (← links)
- ML20151X911 (← links)
- ML20151X447 (← links)
- ML20151U654 (← links)
- ML20151U611 (← links)
- ML20151U425 (← links)
- ML20151U334 (← links)
- PNO-V-88-026, on 880418,workers Removed Flange from Pressurizer Relief Tank,Releasing Radioactive Noble Gas. Level of Activity Resulted in Containment Purge Isolation Signal.Release Caused by Inadequate Procedural Control (← links)
- PNO-V-88-001, on 880108,reactor Trip/Turbine Trip Occurred & Plant Shutdown for Greater than 48 H.Caused by Dirty Contact in Cable Connection to pre-amplifier.Containment Leakage Also Discovered.Manway Cover Bolts Torqued (← links)
- PNO-V-88-057, on 880916,while Verifying Pressure Transmitter PT-458,bistables Tripped.Caused by Technician Error & Exceeding Shutdown by More than 48 H.Problems Encountered During Reactor Startup Listed (← links)
- PNO-V-86-033, on 860616,reactor Taken Critical.Caused by Physics Testing.Reactor Will Be Returned to Power on 860618. Problems W/Reactor Control Sys Thermal Expansion & Control Room Ventilation Sys Resolved (← links)
- PNO-V-84-010, on 840218,reactor Trip Safety Injection Occurred,When Replacement of Fuse During Isolation Valve Surveillance Test Caused Voltage Drop on Preferred Instrument Bus.State of or Notified (← links)
- PNO-V-86-051, on 860805,safety Injection Occurred When Steam Line Pressure Transmitter Failed While Surveillance Being Performed on Second Steam Line Pressure Transmitter.All Sys Responded as Designed.Plant in Mode 3 Condition (← links)
- PNO-V-86-026, during 1985 Refueling Outage,Determined Hydraulic Snubbers Could Have Failed During Seismic Event & Unusual Movement of Pressurizer Surge Line Observed.Caused by Lockup of Snubbers.Snubbers Rebuilt (← links)
- PNO-V-86-054, on 860821,State of Wa Informed NRC of 860813 Suspension of Util Permit,Based on 860806 Shipment to Us Ecology.Shipment Contained 30 Gallons of Untreated Liquid in Shipping Cask (← links)
- PNO-V-92-004, on 920225,Trojan Power Plant Entered Mode 2 After Extended Outage.Plant Currently Critical at Less than 1 Percent Power & Licensee Conducting Low Power Physics Testing.Tests Expected to Be Completed by 920227 (← links)
- PNO-V-86-017, on 860411,merchant Ship in Columbia River Veered Into Shore Near Plant,Damaging 30 Ft of Outfall Pipe. Svc Water Flow Uninterrupted.Plant Operating at 73% Power. Repairs Considered for Apr 1986 Refueling Outage (← links)
- PNO-V-91-002, on 910303,Trojan Declared an Unsual Event & Initiated Plant Shutdown Due to Inability to Meet Requirements of TS 3.8.2.1,which Requires That Four 120 Volts AC Preferred Instrument Busses Be Operable (← links)
- ML20207K325 (← links)
- PNO-V-88-060, on 881113,turbine Trip/Reactor Trip on hi-hi Steam Generator Level Occurred.Caused by Faulty Controller for Feedwater Regulation Valve on Steam Generator B.Licensee Developing Actions to Address Problems (← links)
- PNO-V-86-058, on 860901,controlled Shutdown Conducted Due to Condenser Tube Leakage.Blown Out Plugged Condenser Tube Found.Startup on Hold Due to Cleaning of Steam Generators W/ Chemical Impurities (← links)
- PNO-V-87-037, on 870512,fatigue Fracture Occurred on 1-inch Safety Injection Fill Line on Accumulator Tank a & 2,000 Gallons of 2,000 Ppm Borated Water Drained Onto Containment Floor.By 870514,two Addl Accumulator Tanks Found W/Cracks (← links)
- PNO-V-87-038, on 870513,female Air Lock Operator Received Injury to Neck While Opening Air Lock Door to Transfer Matl from Containment.Operator Transported Offsite for Medical Attention.No Serious Injuries or Contamination Found (← links)
- PNO-V-86-077, on 861107 & 10,green & Yellow Wires Attached to Primer Cord Discovered at Excavation Site.Army Explosive Ordnance Detachment Removed Wire & Primer Cord.Util Studying Effects If Charge Detonated (← links)
- PNO-V-87-031, on 870417,licensee Reported Potential Foot Exposure of Plant Worker Exceeding 18.75 Rem Limit.Caused by Dispersal of Irradiated Fuel Fragments.Work Stopped in Containment Bldg.Investigation Initiated (← links)
- PNO-V-90-010, on 900320,facility Entered TS 3.0.3 After Engineering Organization Determined Main Steam Flow Trip Setpoints Were Incorrect & Nonconservative.Plant Shutdown Began IAW TSs (← links)
- PNO-V-90-011, on 900919,Vice President Nuclear DW Cockfield Announced Resignation After Being in Position Since March 1987.TD Walt Will Serve as Vice President-Nuclear Until Licensee Identify Replacement (← links)
- PNO-V-87-057, on 870824,Oregon State Agreement Program Director,R Paris,Informed NRC That State Employee Union Voted to Strike on 870913.If Settlement Not Reached Prior to Walk Out,Managers Will Handle Radioactive Matls Program (← links)
- PNO-V-87-081, on 871209,indication of Increased Leakage in Containment Identified.Caused by Leakage from Charging Sys Valve & Steam Generator Tubesheet Drain Valve Due to Abnormal Seal Performance.Seals Examined & Valves Repaired (← links)
- ML20249C820 (← links)
- ML20249B922 (← links)
- ML20249B911 (← links)
- ML20249B907 (← links)
- ML20249B879 (← links)
- ML20249B528 (← links)
- ML20249B374 (← links)
- ML20249B233 (← links)
- ML20249B223 (← links)
- ML20249B222 (← links)
- ML20249B174 (← links)
- ML20249A953 (← links)