Pages that link to "PNO-IV-89-020, Region IV Notified of Recent Reactor Trip at Palo Verde Unit 3 That Was Complicated by Inability to Open Steam Generator Atmospheric Dump Valves Mfg by Control Components,Inc.No Sticking Problems Noted at Other Plants"
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The following pages link to PNO-IV-89-020, Region IV Notified of Recent Reactor Trip at Palo Verde Unit 3 That Was Complicated by Inability to Open Steam Generator Atmospheric Dump Valves Mfg by Control Components,Inc.No Sticking Problems Noted at Other Plants:
Displayed 50 items.
- IR 05000250/1986027 (← links)
- IR 05000335/1986013 (← links)
- PNO-V-85-068, on 851003,while Operating at 50% Power,Reactor Trip Occurred After Loss of Electric Power.Three Reactor Coolant Pumps Restarted by Resetting Pump Circuit Breaker Lockout Relays.Cause Under Investigation (← links)
- PNO-IV-85-052, on 851003,plant Outage Initiated from Hot Standby to Replace Failed Seal on Reactor Coolant Pump 2B. Cause Not Stated (← links)
- PNO-II-85-086, on 850826,Natl Weather Svc Upgraded Tropical Storm Elena to Hurricane.Utils Contacted Re Implementation of Hurricane Procedures (← links)
- IR 05000264/1977002 (← links)
- ML20137G926 (← links)
- ML20137G908 (← links)
- IR 05000264/1975001 (← links)
- IR 05000264/1973001 (← links)
- ML20137G614 (← links)
- PNO-V-86-003, on 860109,during Full Power Turbine Trip Test Following Turbine Trip/Reactor Trip,Electrical Buses Which Supply Power to Reactor Coolant Pumps Failed to Transfer to Alternate Source.Restart Plans Unknown (← links)
- ML20137G478 (← links)
- ML20137G417 (← links)
- ML20137A895 (← links)
- PNO-V-85-076, on 851108,licensee Reported That Studs in RCS Line Stops a & B Did Not Meet Hardness Requirements.Relief from 10CFR50,App A,Gdc 4 Requested to Preclude Retorquing Studs (← links)
- PNO-V-85-058, on 850912,unusual Event Declared After Main Turbine Tripped During Load Rejection Test.Low Voltage Tripped Reactor Coolant Pumps.Overcooling RCS Caused Decrease in Safety Injection Setpoint (← links)
- ML20135A869 (← links)
- ML20135A856 (← links)
- ML20135A834 (← links)
- PNO-IV-85-045, on 850829,unusual Event Declared Due to Hurricane Elena,w/75 Plus Mph Winds.Emergency Procedures Implemented & Site Prepared for Adverse Weather Conditions (← links)
- IR 05000272/1986099 (← links)
- PNO-IV-88-006, on 880105,licensee Determined That Reactor Vessel Flange Inner O-ring Leaking.Inner Leakoff Monitor Tube Isolated to Contain Leakage.Outage of Approx 21 Days Expected in Order to Replace O-ring Seals (← links)
- ML20148G171 (← links)
- PNO-IV-88-020, on 880308,bag Containing Used anti-C Clothing Found to Contain Hot Particle in Shoulder Area of Garment. Mobile Particle Was Approx 725 Uci of Cobalt/Manganese Compound.Four Personnel Examined W/No Skin Irregularities (← 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-V-86-014, on 860331,earthquake W/Magnitude of 5.3 on Richter Scale Occurred Approx 10 Miles East of Fremont,Ca.No Damage Observed at Research Reactor Facilities.Rancho Seco Did Not Feel Effects of Earthquake (← links)
- IR 05000330/1977002 (← links)
- ML20140G343 (← links)
- ML20140G325 (← links)
- ML20140F593 (← links)
- PNO-IV-97-035, on 970611,licensee Issued Press Release That Stated That Current Anticipated Restart Date of Waterford 3 Will Be mid-July.Caused by Internal Fault in Startup Transformer.State of La Has Been Informed (← links)
- IR 05000083/1982001 (← links)
- IR 05000124/1983001 (← links)
- IR 05000124/1984001 (← links)
- PNO-I-86-006, on 860123,facility Achieved Initial Criticality.Criticality Boron Concentration Was 1,591 Ppm, 32 Ppm Above Predicted Concentration & within Tech Spec Max Margin of 100 Ppm (← links)
- PNO-V-85-088, on 851216,ventilation Fan in Train a balance- of-plant ESFAS Auxiliary Relay Cabinet Tripped Off & Caused Cabinet to Overheat.Trip Resulted in Logic Cards Malfunctioning.Licensee Actions Under Review (← links)
- PNO-V-85-073, on 851029,13.8 Kv Bus SO3 Feeder Breaker to 13.8 Kv Bus SO1 Tripped Open on Generation of Electrical Fault,Damaging Portion of Bus Bar.Cause Unknown.Plant Entered Cold Shutdown.Investigation Continuing (← links)
- PNO-IV-85-063, on 851206,reactor Inadvertently Tripped.Caused by Operator Incorrectly Initiating Steps of Surveillance Tests on Control Element Assembly Calculators.Cold Shutdown Planned to Replace Reactor Coolant Pump Seals (← links)
- PNO-IV-97-015, on 970320,alert Declared at Waterford 3 Site as Result of Release of Gaseous Ammonia from Nearby Chemical Processing Plant.Licensee Notified Coast Guard of Event. State of La Informed (← 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)
- ML20138C107 (← links)
- ML20138B566 (← links)
- PNO-V-85-052, on 850805 & 08,breaker Power Switches on Control Element Drive Mechanism Panels Found Closed.Two 13.8 Kv Electrical Breaker Incidents Under Licensee Review to Determine If Tampering Involved (← links)
- IR 05000546/1982007 (← links)
- ML20134A975 (← links)
- PNO-V-85-072, on 851024,reactor Tripped from 80% Power During Scheduled Loss of Load Test.Cause Undetermined.Util Requested Assistance from C-E to Determine Cause of Trip & Cooldown of RCS (← links)
- PNO-IV-97-006, on 970118,tanker Carrying Gasoline Spilled Portion of Cargo Into Mississippi River.State of Ms Has Been Informed (← links)
- PNO-V-85-069, on 851003 & 08,loss of Normal Electric Power Resulted in Reactor Trip.Caused by Switchyard Electrical Distribution Malfunction.Licensee Proceeding W/Design Change to hard-wire Control for Feeder Breakers (← links)