Pages that link to "PNO-IV-87-009A, on 870311,steam/water Hammer Event Occurred in Component Cooling Water Lines Servicing RHR HX Trains B & C.Caused by Operational Errors.After Cooldown from Hot Functional Testing,Sys Damage Will Be Repaired"
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The following pages link to PNO-IV-87-009A, on 870311,steam/water Hammer Event Occurred in Component Cooling Water Lines Servicing RHR HX Trains B & C.Caused by Operational Errors.After Cooldown from Hot Functional Testing,Sys Damage Will Be Repaired:
Displayed 50 items.
- ML20148G171 (← links)
- PNO-IV-88-018, on 880301,local Business Agents for Const Electricians & Pipefitters Stopped Supervision of Field Work.Work Supervised by Nonmanual & Supervisory Personnel. Law Enforcement Authorities Notified Due to Fights (← links)
- PNO-IV-88-016, on 880228,reactor Trip Occurred W/Control Rods Positioned for Initial Criticality & Boron Dilution Was in Progress.Caused by Spurious Signal from Loop 3 lo-lo Temp Cold.Test Procedures Modified to Restart Testing (← links)
- PNO-IV-97-012, on 970222,licensee Transported Potentially Contaminated Individual to Matagorda General Hosp.Individual Received Laceration on Forehead & Another at Lips.State of Tx Will Be Informed (← links)
- PNO-IV-85-024, on 850530,util Reported That Agreement Reached on Cash Settlement of Lawsuit Against Halliburton,Co,Parent Company of Brown & Root,Inc.City of Austin,One of Four Principal Owners,Still Considering Agreement (← links)
- PNO-IV-93-003, on 930203,Unit 2 Tripped from Full Power on low-low Steam Generator Level Resulting in turbine-driven Auxiliary Feedwater Pump 24 Trip on Mechanical Overspeed. Cause Not Determined.Reactor Stabilized in Mode 3 (← links)
- PNO-IV-93-001, on 930112,NOUE Declared as Result of Commencing Reactor Shutdown Due to TS 3.0.3 Requirements. Caused by Inoperable Compensated Low Steam Line Pressure. Licensee Issued Press Release.State of Tx Informed (← links)
- PNO-IV-80-007, section of Reactor Containment Bldg Steel Liner Was Inadvertently Bulged During Volumetric Determination Using Water Under Pressure.Cause Not Stated (← links)
- PNO-IV-88-078, on 880923,util Plans to Begin Scheduled Outage to Inspect Bottom Mounted Instrument (Bmi) Tubes.On 880506, Util Reported That Review of Eddy Current Test Data on 58 Bmi Thimble Tubes Revealed Wear on 19 Thimble Tubes (← links)
- PNO-IV-88-046, on 880525,steam-driven Main Feedwater Pump Failed.Licensee Preparing to Inspect Main Condenser for Damage.Repairs Should Take Several Days.No One Injured from Flying Debris.Facility Will Remain Shutdown (← links)
- PNO-IV-88-045, on 880521,plant Startup Followed Extended Outage for Performance of Maint Work.Completion of Testing at 30% Plateau Scheduled for 880526.Upon Satisfactory testing,50% Plateau Will Commence on 880527 (← links)
- PNO-IV-88-039, on 880506,review of Eddy Current Test Data Revealed Wear on 19 Thimble Tubes.Caused by Flow Induced Vibrations.Util Expecting Recommendation for Corrective Action from Westinghouse (← links)
- PNO-IV-88-036, util Begun 2 to 3-wk Maint Outage.Startup Testing Completed on 30% Power Testing Plateau.Licensee Also Plans to Replace Corroded Aluminum Bronze Fittings & Valves in Essential Cooling Water Sys.State of Tx Informed (← links)
- PNO-IV-88-072, on 880830,shutdown Began from Approx 45% Power to Repair Main Steam Vent Line Leak Coming from a Sock Weld. Licensee Will Insp Similar Socket Welds on Main Steam & Main Feed Lines Inside Containment During Shutdown (← links)
- PNO-IV-88-069, on 880824,util 100 H NSSS Acceptance Test Completed.Upon Completion of Review of Startup Test Results by Plant Operations Review Committee,Util Will Be in Position to Begin Commercial Operation.State of Tx Informed (← links)
- PNO-IV-88-066, on 880812,Region IV Notified of Truck Accident on Interstate 10,approx 30 Miles West of Baton Rouge.Truck Carrying Eight New Fuel Assemblies to Facility.Shipping Packages Undamaged.Packages Returned to State of Sc (← links)
- PNO-IV-88-030, on 880418,Train a Control Room Ventilation Makeup Supply Damper Failed to Close During Surveillance. Licensee Repaired Failed Damper & Plant Returned to Power Escalation from 13% Power (← links)
- PNO-IV-88-024, on 880330,reactor Trip & Safety Injection Occurred Due to Loss of Offsite Power.Caused by Troubleshooting Work on Main Generator Control Circuits to Determine Cause of Main Generator Output Breaker Trip (← links)
- PNO-IV-88-051, failure of Westinghouse DS-416 Electrical Breakers.Failures Could Be Generic Problem.Westinghouse Representatives on Site Observing Testing,Insp & Installation of Subj Breakers (← links)
- PNO-IV-88-050, on 880613,Unit 1 Startup Following 880525 Shutdown Initiated.Subj Notification Issued as Plant Status Update.Maint Activities Performed During Outage.Completion of Testing at 30% Plateau Scheduled for 880619 (← links)
- PNO-IV-91-013, on 910502,secretary of Licensee Security Manager Inadvertently Admitted Loaded Derringer Into Protected Area as She Entered Site on 910502.Employee Later Remembered Weapon in Purse & Reported Event to Security (← links)
- PNO-IV-86-024, on 860710,overflow of Approx 2,000 Gallons Occurred While Filling Emergency Diesel Fuel Oil Storage Tank.Augmented Fire Protection Measures Established.Cleanup Underway (← links)
- PNO-IV-88-060, on 880728,licensee Tripped Reactor from 100% Power as Part of Planned 100% Power Plateau Initial Startup Test Program.Preliminary Results Satisfactory.Unit Will Remain in Hot Shutdown for Repairs (← links)
- PNO-IV-86-028, on 860829,beam Lowered Through Equipment Hatch in Containment Bldg Fell,Striking Pipefitter on Head.Injured Workman Removed by Ambulance & Subsequently Air Evacuated to Houston Hosp.Press Release Planned (← links)
- PNO-IV-87-010, on 870317,plant Experienced Failure of Circulating Water Pump Pedestal Casing.Piece of Pedestal Casing Blown Out by Water Pressure Rendering Pump Inoperable.Licensee Assessing Damage & Cause of Event (← links)
- ML20207S374 (redirect page) (← links)
- ML20207P839 (← links)
- PNO-IV-87-004, on 870114,licensee Discovered Problem W/One Diesel Generator While Performing 24 H Preoperational Test. Caused by Stuck Intake Valve Push Rod.Diesel Generator Shutdown & Repaired by Licensee (← links)
- PNO-IV-86-034, on 861031,foam Suppression Sys for Emergency Diesel Generator 13 Fuel Oil Storage Tank Room Manually Activated & on 861111,nitrogen Sys for 365-kV - 13.8-kV Standby Transformer Found Overpressurized (← links)
- PNO-IV-89-024, on 890405,reactor Trip Occurred During Attempt to Synchronize Main Generator to Electrical Distribution Sys.Some Nonsafety Equipment Did Not Function as Expected. Resident Inspectors Will Continue to Monitor Activities (← links)
- PNO-IV-87-040, on 870828,painter Working in Unit 1 Turbine Bldg Injured from Fall of Approx 25 Ft.Painter Transported to Matagorda General Hosp & Then to St Lukes Hosp in Houston (← links)
- PNO-IV-89-025, on 890406,util Declared Notification of Unusual Event at Facility Due to One Inoperable Diesel Generator.Util Declared Diesel Generator 12 Operable After Replacing Defective Resistor in Governor Control Circuit (← links)
- PNO-IV-89-026, on 890405,unit Tripped from 11% Power Due to Lockout of Main & Auxiliary Transformers During Attempt to Synchronize Main Generator to Electrical Distribution Sys. Unit in Hot Standby & Startup Not Expected Until 890409 (← links)
- PNO-IV-89-022, on 890328,reactor Power Increased Above 5% for First Time.License Issued Earlier Authorizing Full Power Operation.Power to Be Increased in Increments for Few Wks W/Performance of Equipment & Sys Tests at Various Levels (← links)
- PNO-IV-89-033, on 890512,unusual Event Declared When Two of Four Pressurizer Water Level Indication Channels Inoperable. Reactor Shutdown.Possibly Caused by Valve Disc Stuck on Valve Seat.Insulation Installed on Piping (← links)
- PNO-IV-89-048, on 890713,main Transformer 2A Locked Out Due to Transformer Bursting,Causing Mineral Oil to Spill Into Transformer Oil in Recovery Pit.Caused by Loss of Power to Auxiliary Bus.Unit Will Not Be Restarted for 2 to 3 Days (← links)
- PNO-IV-87-060, on 871122,auxiliary Feed Sys Vibration Resulting in Pipe Failure Occurred.Occurrence Will Impact Startup Schedule.Licensee Investigating Failure & NRC Monitoring Activities (← links)
- ML20236L529 (← links)
- ML20236L054 (← links)
- PNO-IV-89-019, on 890315,util Received Allegations Re Util Incompetence & Mismanagement Re Const Costs & Plant Operation.Region IV Formed Multidisciplined Team to Identify Safety Issues.Util Also Conducting Investigation (← links)
- PNO-IV-89-016, on 890312,initial Criticality Achieved.Region IV Operational Readiness Review Insp Team on Site for First Days of Low Power Operation.Commission Meeting on Full Power License Scheduled for 890328 (← links)
- PNO-IV-89-013, on 890120,manual Turbine/Generator Trip Initiated When Hydrogen Fueled Fire Occurred in Main Generator.Testing Revealed That Wall Thickness of Bottom Mounted Instrumentation Thimble Tubes Below Requirement (← links)
- PNO-IV-87-043, on 870903,fire Occurred in Auxiliary Transformer & Switchgear Room 13.8 Kv Busing.Investigation Underway to Determine Cause of Electrical Fault & Resulting Fire (← links)
- PNO-IV-87-045, on 870913,two of Six Seismic Monitors Recorded Deflation of About 0.01 G & Alarmed.Licensee Contacted Regional & Natl Seismic Monitoring Stations.Insp Shows No Evidence of Damage (← links)
- PNO-IV-97-054, on 971006,premature Lifting of Main Turbine Moisture Separator Reheater Relief Valve Occurred.Licensee Removed Main Turbine Generator from Svc to Repair Relief Valve.Individual Transported Offsite Via Site Ambulance (← links)
- ML20217A362 (← links)
- PNO-IV-89-051A, on 890814,radioactive Contamination Found Outside Radiation Controlled Area in Stairwell of Mechanical Auxiliary Bldg & on 890817,contamination Found in 11A Mab Chiller Open Cooling Sys Discharge Drain.Events Unrelated (← links)
- PNO-IV-89-051, radioactive Contamination Outside Radiation Controlled Area Discovered.Apparent Cause Associated W/Operation of Radwaste Evaporator.No Contamination Found in Neutralization Basin & No Personnel Contaminated (← links)
- PNO-IV-87-023, on 870430,const Craftsman Fell 30 Ft from Ladder & Suffered Broken Elbow & Concussion.Another Man Onsite Found Dead of Heart Attack (← links)
- PNO-IV-99-037, on 990822,Region IV Dispatched Inspector to STP to Relieve Resident Inspectors & to Provide Assistance to STP Nuclear Operating Co,In Anticipation of Hurricane Bret.Representative Was Also Dispatched to FEMA Region VI (← links)