PNO-II-05-005, Oconee, Unit 3, Reactor Trip with Emergency Core Cooling System (ECCS) Initiation
PNO-II-02-032, Norification of Unusual Event Due to Fire in Turbine Building at McGuire, Unit 2
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
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
PNO-II-96-082, on 961206,Unit 1 Taken Off Line in Order to Investigate/Locate Source of Increase in Unidentified Leakage.Nrc Resident Inspectors Will Continue to Closely Monitor Licensee Recovery Activities
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
PNO-II-97-034, on 970613,extended Shutdown to Meet CAL 2-97-03 Commitments to Shutdown Unit 1 No Later than 970614 & to Implement Actions Re HPI Sys.Nrc Resident Inspector Will Followup on Unit 1 Shutdown & Recovery Activities
PNO-II-97-033, on 970614,extended Shutdown Due to Steady Increases Detected in SG 2A Primary to Secondary Tube Leakage.Nrc Resident Inspector Will Followup on Licensee Shutdown & Recovery Activities
PNO-II-85-108, on 851107,emergency Diesel Generator Overspeed Occurred.Util & Tdi Disassembling & Inspecting for Damage. Cause Under Review.Link Pin Bushing & Main Bearing Cracked
PNO-II-85-106, on 851105,design Engineer Fell Approx 40 Ft Inside Cooling Tower.Victim Transferred to Hosp
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
PNO-II-85-102, crack-like Indications Discovered on Surface of Cross Assembly Which Ties 24-inch Discharge Piping of Recirculation Pump to Jet Pump 16-inch Ring Supply Header. Util & Nutech Performing Evaluation
PNO-II-96-083, on 961214,Unit 2 Shutdown Due to Small Amount of Backleakage Through Injection Sys Discharge Check Valve, Causing Gas Entrainment in B Train of RHR Sys.Nrc Resident Inspectors Observed Unit Shutdown & RHR Testing
PNO-II-88-042, on 880713,NRC Notified of Util Intent to Initiate Shutdown of Unit to Repair F006 Injection Valve on HPCI Sys.Shutdown Prompted by Evaluation Indicating That Inadequate Torque May Be Available Under Reduced Voltage
PNO-II-84-061, on 840916,plant,Unit 1 Shut Down Due to Steam Leak Inside Turbine Bldg.Region II Dispatched Insp & Failed Assembly Being Sent off-site for Independent Verification
PNO-II-92-007, on 920202,plant Experienced Reactor Scram from 79% Power During Main Turbine Cv Testing.Licensee Actions Towards Determining/Correcting Root Cause of Scram Have Been Focused on EHC Sys
PNO-II-86-049, on 860711,earth Tremor Measuring 3.7 on Richter Scale Occurred in Dalton,Ga.No Seismic Monitor Alarms Received.No Damage Occurred to Plant.Remote Seismic Monitoring Instruments Being Checked
PNO-II-85-053, on 850515,GPC Manually Shut Down Hatch Unit 1, IAW Ts,As Result of Safety Relief Valve Which Had Stuck Open But Eventually Reclosed.State of Ga Informed
PNO-II-97-051, on 970906,McGuire Units 1 & 2 Automatically Tripped.Porvs Utilized Until Steam Dumps Could Be Made Available.Steam Relieved Through Main Steam PORVs Until Power to Bus Kxa Restored & MSIVs Reopened
PNO-II-98-025, on 980507,AFW Sys Declared Inoperable.Licensee Isolated Valves 1CM-127 & 2CM-127 in Units 1 & 2, Respectively,To Prevent Recurrence Until Permanent Corrective Actions Can Be Developed
PNO-II-88-043B, on 880722,augmented Insp Team at Brunswick Departs.Team Completed Review of Events & Associated Corrective Actions for Equipment Failures Encountered During Shutdown & DC Motor Problems
PNO-II-88-043, on 880715,Augmented Insp Team Dispatched to Plant to Review Equipment Failure Events That Were Encountered During Planned Shutdown of Facility,Including Failure of F006 HPCI Valve
PNO-II-88-043A, on 880715,augmented Insp Team Reviewed Events & Associated Corrective Actions for Equipment Failures.All Repairs Completed on 880716 Except Testing.Request for HPCI Limiting Condition for Operation Extension Granted
PNO-II-90-047B, on 900825,AIT Conducted Meeting Which Was Followed by Press Conference to Discuss Excessive Cooldown Rate in Reactor Vessel Lower Portion Experienced During 900816 & 19 Reactor Trips & Other Listed Items
PNO-II-90-047A, provides as Update to 900821 Notification Re 900819 Reactor Trip,Findings of Investigation.Reactor Trip Due to Closure of MSIVs Resulted from Primary Containment Isolation Sys Testing.Util Correcting Safety Relief Valves
PNO-II-93-067, on 931130,util Announced That Indepth Independent Review Found No Evidence to Support Allegations That Util Discovered Cracks in Plant Core Shrouds in 1984, But Covered Up Existance of Cracks Until 1993
PNO-II-93-060, on 931108,licensee Made NOUE When Potentially Contaminated Employee Transported to Dosher Memorial Hosp in Southport,Nc.Employee Partially Surveyed Due to Injuries. Employee Subsequently Determined Not to Be Contaminated
PNO-II-90-025A, on 900610,regional Administrator Granted Util Approval to Restart Plant (Update to PNO-II-90-025).Exam Failures Prompted Both Units to Shut Down on 900520.Approval Came After Two Out of Three Crews Successfully Passed Exams
PNO-II-92-077, on 921109,licensee Made NOUE When Potentially Contaminated Injured Worker Transported to Dozier Memorial Hosp in Southport,Nc.Subsequent to Transport,Worker Determined to Be Uncontaminated & NOUE Terminated
PNO-II-92-059, on 920918,contract Worker in Containment Slipped & Twisted Knee.Licensee Presently Responding to Media Interest Re Why Worker & Ambulance Attendants Unnecessarily Treated as Potentially Contaminated
PNO-II-97-023B, on 970422,extended Shutdown for Oconee Units 2 & 3,update Made.Currently,Licensee Developing Justification for Continued Operation of Unit 1 Based on Different Designed Thermal Sleeves Installed in Unit 1
PNO-II-89-071A, updates PNO-II-89-071 Re Turbine Area Fire on 891009.Preliminary Assessment Indicates Little Damage to Main Generator & Main Transformer.Investigation of Root Cause of Initiating Fault Continuing
PNO-II-88-054, Coalition Against Shearon Harris Notified Local Law Enforcement of Plant Demonstration Scheduled for 880912-13.Civil Disobedience Expected.Plant Security & FBI Notified.Local Media Interest Anticipated
PNO-II-88-065, on 881020,unit Shutdown for 5-days to Replace Two Main Turbine Generator Governor Valves Exhibiting Erratic Behavior During Closure.Governor Valve Replacement Will Take Several Days to Complete
PNO-II-95-034, on 950612,transportation Offsite of Potentially Contaminated Individual.Individual Became Ill While Performing outage-related Work Activities in Unit E. State of South Carolina Has Been Notified
PNO-II-95-043, on 950718,facility Declared NOUE Due to Reactor Coolant Leakage Rate of Approx 36 Gpm.Unit Presently in Cold Shutdown & Plans to Make Repairs Underway
PNO-II-97-008, on 970203,Unit 2 Restarted,After Second Stage Reheater Drain Line Rupture & Manual Reactor Trip.Nrc Resident Inspectors Present During Restart of Unit 2 & Will Continue to Closely Monitor Restart/Power Ascension
PNO-II-95-027, on 950504,plant Shutdown in Order to Replace Ruptured Steam Extraction Line Expansion Joints Inside Main Condenser
PNO-II-97-023A, on 970422,update to Unit 2 Shutdown Made,Due to Unidentified RCS Leakage Exceeding TS Limit of 1 Gpm.Nrc Resident Inspectors Observed Unit Shutdown & Will Continue to Followup on Licensee Recovery Activities
PNO-II-97-048, on 970904,Oconee Unit 2 Shutdown in Order to Effect body-to-bonnet Seal Ring Leak Repairs on Valve 2LP1. Leakage Well Below Tech Spec Limit of 10 Gpm for Identified Leakage.Restart of Unit Expected Early Next Wk
PNO-II-95-024, on 950427,unit 1 Taken Off Line to Conduct Control Room Drop Testing in Order to Assess Effects of Corrosion Matl buildup.Two-week Outage Begun to Replace Selected CRD Mechanism Thermal Barriers
PNO-II-88-063, on 881014,orderly Shutdown of Plant Based on Postulated Event Which Could Result in Overloading Power. Licensee Plans to Replace Cable W/One Having Higher Temp Rating & Reroute New Cable in Different Cable Tray
PNO-II-88-053, on 880830,licensee Commenced Orderly Shutdown in Order to Facilitate Testing of Svc Water (SW) Sys Associated W/Containment Fan Coolers.Results of SW Testing Last Wk Indicated Negative Pressures.Addl Pump Maint Needed
PNO-II-97-023, on 970422,Unit 2 Taken Off Line Due to Unidentified RCS Leakage TS Limit of 1 Gpm.Nrc Resident Inspector Staff Responded Onsite Prior to Unit Shutdown & Will Continue to Closely Monitor Licensee Recovery
PNO-II-97-026B, on 970505,degraded HPI Second Update Made.Nrc Will Make Press Release Regarding Decision for Ait.State of Sc Notified
PNO-II-96-065B, on 961004,Unit 2 Heater Drain Line Break & Manual Reactor Trip Second Update Made.Co Indicate Water Hammer Event Occurred While Aligning Second Stage re-heater Drain Tanks Forward to High Pressure Feedwater Heaters
PNO-II-89-004, on 890107,flammable Mixture of Hydrogen Introduced Into Air Sys,Instead of Supplying Air to Main Generator.Cause Under Investigation.Plant Remains in Refueling Outage
PNO-II-94-042, on 940810,Unit 3 Tripped from 100% Power Level Caused by Automatic Trip/Loss of Both Main Feed Water Pumps. NRC Resident Inspectors Continue to Closely Monitor Recovery Activities & Post Trip Review in Progress
PNO-II-88-053A, on 880919,unit Restarted,Following 20 Day Outage to Resolve Reduced Pressures on Svc Water Outlet of Hydrogen Vent Header (Hvh) Containment Fan Coolers.Caused by Biological Fouling.Hvh Cleaned
PNO-II-96-020, on 960316,facility Tripped from 100% Power Due to Loss of FW Pumps Shortly After Commencing Special Emergency Power/Switchyard Isolate Test.Facility Shutdown on RHR Cooling,W/Restart Not Expected Until Later in Week
PNO-II-88-049, on 880812,plant Lost Power to 18 of 30 Annunciator Panels,Due to Failure in Associated Power Supply Inverter.Licensee Investigating Cause of Power Supply Failure & NRC Closely Monitoring Situation
PNO-II-96-065, on 960924,steam Line Rupture Occurred in Oconee Unit 2 Turbine Bldg.Licensee Activated Technical Support & Operations Support Ctrs to Assist in Response to Event.Nrc Resident Inspectors Responded Onsite to Event
PNO-II-97-065A, on 971228,SG 1A Tube Leak Update Made. Licensee Also Conducted Base Line Pressure Testing & Insps of 1B SG on 980107,finding Only Minor Leakage from Welded Tube Plug.State of Sc Notified by NRC
PNO-II-88-059, on 880922,unusual Event Re Plant Shutdown Occurred.Inboard & Outboard Butterfly Containment Purge Exhaust Isolation Valves Inoperable.Repairs Underway
PNO-II-89-004A, on 890107,plant Site in Unusual Event Status Due to Injection of Hydrogen Into Plant Air Sys.Caused by Multiple Failures of Administrative Controls.On 890116-17, INPO Conducted Independent Investigation of Event
PNO-II-93-050, on 930928,media Issued Statement Re Core Shroud Cracks at Facility.Activity Delayed Current Refueling Outage Schedule.Licensee Developing Permanent Mechanical Repair.State of Nc Informed
IA-98-147, Second Partial Response to FOIA Request for Documents.No Addl Agency Records Subj to Request Located
IA-98-225, First Final Response to FOIA Request for Documents.Records in App a Encl & Being Made Available in PDR