Pages that link to "PNO-II-80-037, investigation of 800226 Transient Revealed Power Failure Caused by Mismated Set of Connector Pins on Printed Circuit Board Between Electrical Cabinet & Solid State Subsys in Control & Indicator Circuits"
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The following pages link to PNO-II-80-037, investigation of 800226 Transient Revealed Power Failure Caused by Mismated Set of Connector Pins on Printed Circuit Board Between Electrical Cabinet & Solid State Subsys in Control & Indicator Circuits:
Displayed 39 items.
- PNO-II-85-114, on 851203,during Operation at 93% Power, Power Loss to Two of Four Reactor Coolant Pumps Occurred Causing Reactor Trip.Caused by Short Circuited Lead from Potential Transformer.Main Feedwater Pumps Secured (← links)
- PNO-II-85-087, on 850818 & 21,1-1/2 Inch Steam Chest Drain Line Ruptured During Startup Operations After Refueling & Maint Outage.On 850905,main High Pressure Turbine Developed Steam Leak in Steam Chest (← links)
- PNO-II-86-001, on 860101,reactor Tripped from High Flux to Flow Resulting in Actuation of Emergency Feedwater Initiation.Caused by Sheared Shaft on One of Four Reactor Coolant Pumps.Feedwater Flow Secured (← links)
- PNO-II-85-082, Westinghouse Turbine Reults Indicate Resonance Vibration in High Pressure End of Turbine.Caused by Mod to Governor Valves.Governor Valves Will Be Replaced (← links)
- PNO-II-97-007, on 970130,kV step-up Transformer Caught Fire & Exploded at Crystal River.Explosion Lifted Transformer Off of Base & Toppled on Side.Offsite Help Requested & Received by Derosa Volunteer Fire Dept (← links)
- PNO-II-80-036, on 800306,NRC Immediate Action Ltr to Util Confirmed That Facility Will Not Return to Power W/O Prior NRC Concurrence Based on Licensee Responses to NRC Verbal Requests & Technical Discussions Re Corrective Actions (← links)
- PNO-II-80-035, on 800229,group of Antinuclear Demonstrators Assembled for 2-h at Util Winter Park District Ofc.No Demonstration Expected at Plant.Extra Security Guard Will Be Posted at Entrance to Site Access Road for Weekend (← links)
- ML20126C017 (redirect page) (← links)
- PNO-II-80-037 (redirect page) (← links)
- PNO-II-98-005, on 980201,plant Commenced Reactor Startup & Entered Mode 2 Conditions (Keff 0.99).On 980202,criticality Was Achieved,Followed by Mode 1 Conditions.Unit Scheduled to Be at 100% Power Late 980205 (← links)
- PNO-II-97-059, on 971118,established Vacuum in Main Condenser & Steam Bubble in Pressurizer.Completed Work on Planned Upgrades for B Edg.Resident & regional-based Inspectors Are Closely Monitoring Subject Activities (← links)
- PNO-II-98-003, on 980120,licensee Placed Two Reactor Coolant Pumps in Operation to Add Heat to Rcs.Licensee Has Not Yet Requested Release from Cal.Licensee Issued Press Release (← links)
- PNO-II-86-006, on 860110 Two Divers Drowned During Attempt to Clean Intake Structure Area.Probably Caused by Divers Sucked Into Operating Svc Water Intake Pump Pit a (← links)
- PNO-II-97-063, on 971218,Crystal River Unit 3 Achieved Significant Milestone by Declaring a EDG Operable & Thus Making Both EDGs Operable for Mode 5.Licensee Does Not Plan to Issue Press Release.State of Fl Notified (← links)
- PNO-II-92-019, on 920327,plant Automatically Tripped Due to Partial Loss of Offsite Power.Licensee Plans to Keep Unit Shutdown for 2-3 Days to Repair Faulty Rod Position Indication.State of Fl Was Not Notified (← links)
- PNO-II-86-089, on 861121 & 22,plant Taken Out of Svc to Replace Letdown Sys Trains.On 861121,cooler a Determined to Be Leaking When Radiation Monitor Alarmed When Preparing for Startup.On 861122,RCS Leak Rate Exceeded Tech Spec Limits (← links)
- ML20249B322 (← links)
- ML20248L049 (← links)
- ML20248L036 (← links)
- ML20248F207 (← links)
- PNO-II-89-061, on 890824,loss of Decay Heat Pump (RWP-2B) & Subsequent Reactor Trip Occurred.Caused by Unsatisfactory Discharge Pressure Condition While Performing Surveillance on Emergency Cooling Water Pump (RWP-2B) (← links)
- PNO-II-89-045, between 890518-0609,13 Util Employees Inadvertently Received Whole Body Exposures of 300 Mrem Each While Cleaning Precipitator Containing 300 Mci Cs-137 Source.Caused by Failure of Shielding Mechanism (← links)
- PNO-II-87-076, on 871027,employee of Fluor Constructors, D Shirley,Died After Being Severely Burned in Accident at Facility Switchyard.Fluor Employess Walked Out on 871028 in Sympathy of Death.Osha Inspectors Investigating Accident (← links)
- ML20236L121 (← links)
- PNO-II-87-072, on 871016,alert Declared When Startup Transformer Shorted Out by Two Contract Workers in Switchyard.Workers Sent to Hosp for Burns.Alert Terminated. Startup Transformer Returned to Svc on 871017 (← links)
- PNO-II-87-068, on 871009,auxiliary Nuclear Operator Removed Lead Brick Shielding from Reactor Cavity Access in Order to Facilitate Leak Detention & Dose Rate Instrument Pegged Offscale.Nrc Radiation Specialist Dispatched to Site (← links)
- ML20216K178 (← links)
- PNO-II-98-004, on 980130,Region II Administrator Informed FPC That NRC Was Satisfied W/Completion of FPC Actions Specified in Cal, & Concurred That Plant,Unit 3 Could Operate IAW License (← links)
- PNO-II-89-047A, on 890616,loss of Offsite Power W/Resulting Scram from 10% Power (Note Revised Time from Earlier Pn). Caused by Combination of Personnel Error & Equipment Failure. 1B RCP Started,Restablishing Forced Coolant Flow (← links)
- PNO-II-89-047, on 890616,loss of Offsite Power W/Resulting Scram from 10% Power.Caused by Breaker 1691 Tripping Which Supplied Power from Unit 3 Startup Transformer to Vital Buses.Senior Resident Inspector Responded & Onsite (← links)
- PNO-II-96-060A, on 961004,licensee Notified NRC That Extended Shutdown Was Being Initiated to Accomplish Design Mod to Increase Safety Margins.On 960902,plant Was Shutdown Due to Problem W/Turbine Oil Sys.Meeting Scheduled on 961009 (← links)
- PNO-II-96-070A, on 961008,tropical Storm Josephine Had Lost Majority of Tropical Characteristics.Water Level Dropped & Licensee Began to Decrease Site Manning & NRC Secured Incident Response Ctr Manning in Atlanta on 961008 (← links)
- PNO-II-96-070, on 961007, Unusual Event Was Declared Due to Hurricane Warning.Plant Will Remain in Unusual Event Status at Least Until Hurricane Warning Is Lifted.Onsite Insps Will Be Conducted (← links)
- PNO-II-80-032D, Updating Emergency Status:On 800229,plant in Cold Shutdown W/Normal Decay Heat Cooling in Progress. Remaining Reactor Sump Water Will Be Transferred to Spent Fuel Pool by 800303.Reactor Bldg Entry Scheduled for 800302 (← links)
- PNO-II-80-032, on 800226,combination of non-nuclear Instrumentation Power & Integrated Control Sys Power Tripped Reactor.Coolant Pumps Stopped,High Pressure Safety Injection Activated & Auxiliary Feed Pumps Activated (← links)
- PNO-II-80-032A, updating PNO-II-80-032.Reactor Conditions Have Stabilized & Dome Radiation Decreased to Zero. Containment Pressure Returned to Normal.Steam Generator Levels About 90% W/Natural Circulation in Progress (← links)
- PNO-II-80-032C, updating PNO-II-80-032.Plant Remains in Stable Hot Standby.Repairs & Testing of Inoperable Decay Heat Closed Cycle Cooling Pump Expected to Be Completed Today.After Testing,Unit Will Be Shut Down (← links)
- PNO-II-90-061, on 901009,unit Shutdown in Excess of 48 H as Result of Reactor Coolant Pump Motor Oil Leak.Caused by Missing Pieces of Sheet Metal.Licensee Plans to Conduct Repairs & Estimates 901016 Restart Date (← links)
- PNO-II-90-062, on 901013,licensee Maint Employee Was Fatally Injured as Result of Fall of Approx 30 Ft in Reactor Bldg. Employee Transported to Hosp (← links)