Pages that link to "Category:PRELIMINARY NOTIFICATION OF EVENT OR OCCURRENCE (PNO"
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The following pages link to Category:PRELIMINARY NOTIFICATION OF EVENT OR OCCURRENCE (PNO:
Displayed 50 items.
- PNO-I-85-066, on 850907,fire Broke Out in Relay Room During CRD Surveillance Testing.Reactor Manually Tripped.Licensee Troubleshooting to Determine Cause (← links)
- PNO-I-97-020, on 970407,Allegheny Power Sys Inc & Dqe Inc, Parent Co of Duquesne Light Co,Announced Billion Dollar Agreement to Merge Companies.Merger Unanimously Approved by Both Companies Boards of Directors (← links)
- ML20137L392 (← links)
- PNO-I-85-087, on 851120,reactor Scram Occurred Due to Main Generator Trip Causing Main Turbine Trip.After Scram,Main Steam Lines Isolated.Plant Brought to Cold Shutdown.Operator Manually Initiated Isolation Condenser (← links)
- PNO-V-85-079, on 851126,safety Injection Occurred on High Steam Flow Signal.Cause Under Investigation.Plant Stabilized & Maintaining Hot Standby Conditions.Licensee Plans to Evaluate Data & Make Appropriate Adjustments (← links)
- PNO-I-86-004, on 860117,nine Plant Workers Contaminated w/short-lived Rb-88 & Cs-138.Caused by Buildup of Gases in Offgas Bldg After Offgas Sys Shut Down for Maint.Slight Radioactivity Detected at Bldg Vent (← links)
- PNO-I-86-005, on 860118,licensee Conducted Normal Reactor Shutdown After Discovering Potential for Overstressing Containment Penetration in Event of Postulated Emergency Condenser Steam Line Break.Evaluation Continuing (← links)
- PNO-III-97-030, on 970327,five of Six Simulator Crews Rated Unsatisfactory by Licensee & of 31 Operators Six passed,18 Failed as Individuals & Seven Failed Because of Crew. Operators That Failed Were Suspended (← links)
- PNO-I-97-019, on 970401,declared Unusual Event at Pilgrim Nuclear Power Station,Due to Inability to Provide Offsite Electrical Power to Safety Related Electrical Busses.Loss of Offsite Electrical Power Resulted from Faults on Lines (← links)
- PNO-I-86-003, on 860115,reactor Manually Scrammed After Power Reduction to 70%.Caused When Oil Observed Spraying from Main Transformer.Oil Spray Caused by Excessive Heat Buildup.Transformer Will Be Inspected & Repaired (← links)
- ML20137H596 (← links)
- ML20137H429 (← links)
- ML20137G897 (← links)
- PNO-IV-86-004, on 860110,semitrailer Truck Carrying Cs-137 Sealed Sources Involved in Single Vehicle Accident.Sources & Source Containers Undamaged.Two Men Injured in Accident (← 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)
- PNO-I-86-002, on 860109,fire Protection Deluge Sys for Auxiliary Transformer Manually Actuated by Unknown Person at Local Fire Box.Caused by Intentional Act of Tampering or Harassment.Addl Security Patrols Instituted (← links)
- PNO-IV-97-017, on 970324,Arkansas Nuclear One Initiated Loading of Third VSC-24 Canister for Storage of Spent Fuel at Plant Isfsi.Licensee Initiated Repair of Crack by Grinding Out Defective Area (← links)
- PNO-IV-85-042, on 850819,manual Reactor Trip Occurred When Main Feedwater Pump B Turbine Speed Governor Failed, Causing Transient.Repairs Underway on Leaking Secondary Handhole of Steam generator.One-wk Outage to End 850726 (← links)
- PNO-II-85-078, crack Identified on Weld of 3/4-inch Sample Line Running Off RCS Letdown Line.Weld Crack in Identical Location to One Found on 850729.Weld Repaired.Pipe Supports Being Installed (← links)
- PNO-I-97-018, on 970328,protest Related to TMI-2 Accident Occurred.Protesters Walked in Circle,Outside of Util Property,Blocking Plant Entrance Lane.Plant Notified NRC Headquarter to Inform of Event (← links)
- PNO-III-85-073, on 850820,contaminated Resins Used in Condensate Polishing Sys Sent Offsite for Regeneration. Resins Being Returned to Site.No Detectable Radiation Found at Vendor Facility (← links)
- PNO-V-85-055, on 850820,initial Criticality Achieved W/Boron Concentration within Expected Acceptance Criteria for Estimated Critical Conditions.Low Power Physics Testing in Progress & Expected to Be Completed in 7 Days (← links)
- PNO-II-97-019, on 970327,portable Filtration & Demineralization Unit from Chem-Nuclear Sys,Inc Missing Valve.Unknown How or Where Valve Dislodged.Nrc Region I & EPA Contacted (← links)
- PNO-IV-85-043, on 850820,util Achieved Criticality.Plant Had Been Shut Down Since 840910 to Replace Reactor Recirculation Piping.Licensee Has 19-day Power Ascension & Testing Period Before Resuming Commercial Operation (← links)
- PNO-III-97-029, on 970326,notified Commonwealth of Pa,Dept of Environ Resources of Contaminated Scrap Metal Incident.True Temper Hardware Still Had Two Rolls Unprocessed Contaminated Steel at Facility (← links)
- PNO-I-85-060, on 850819,unit Shut Down.Caused by Diesel Generator E2 Out of Svc for Annual Insp & RHR-LPCI Outer Isolation Valve MO-154A Not Opening During Surveillance. Valve Will Be Repaired & Diesel Generator Returned to Svc (← links)
- ML20137D909 (← links)
- PNO-V-85-078, on 851121,unit Experienced Loss of Auxiliary Transformer C,Resulting in Loss of Control Room Lighting Due to Abnormal Breaker Lineup.Plant Shut Down (← links)
- PNO-IV-85-059, on 851120,notification Received That Individual Suffered Head & Leg Injuries in Fall.Person Contaminated Transferred to Hosp.State of Ks Informed (← links)
- PNO-I-85-059, on 850815,unplanned 2% Power Excursion Occurred for 3-5 While Increasing Power to Permit Operational Testing of HPCI Sys.Power Ascension Program Testing Suspended Until Problem Resolved (← links)
- PNO-II-97-017, on 970312,licensee Reported Employee Collapses Onsite.First Aid Administered Until Ambulance Arrived. Employee Transported to Appling County General Hosp in Baxley,Ga & Pronounced Dead.Autopsy Will Be Performed (← links)
- PNO-V-86-002, on 860108,during Routine Industrial Radiography Operation at Kerr-McGee Facility Field Site,Sealed Source Capsule & Pigtail Became Disconnected from Radiography Camera.Cause Not Stated (← links)
- PNO-I-85-089, on 851118,employee Received About 250 Rems C-14 to Skin of Hand.Caused by Spill & Inappropriate Gloves. Employee Will Be Examined by Physician.Detailed Measurements & Calculations Ongoing (← links)
- PNO-I-85-088, on 851121,normal 345 Kv Offsite Power Lost as Result of Personnel Error During Surveillance of Offsite Power Source Breakers.Emergency Gas Turbine Generator Failed to Start.Shutdown Capability Lost for 5 Minutes (← links)
- PNO-I-86-001, on 860109,technician Entered High Radiation Area During Treatment of Patient Undergoing Co-60 Teletherapy.Door Interlock on Treatment Room Inoperative. Exposure Estimated at No Greater than 100 Mrems (← links)
- PNO-II-86-002, on 851229,shutdown Initiated Due to RCS Leakage Exceeding Tech Spec Limits.Pressure Vessel Head Will Be Removed for Repair of Reactor Pressure Vessel Head Seals.Unit Will Be Out of Svc for Addl 16 Days (← links)
- PNO-II-86-003, on 860107,unscheduled Shutdown Lasted Longer than 48 H Due to Damaged Steam Supply Stop Check Valve in Each Auxiliary Feedwater Sys Train.Remaining Valves Being Inspected (← links)
- PNO-II-86-004, on 851203,util Discovered That Individual Cleaning Sludge Out of Steam Generator Received Higher than Expected Exposure in Late Nov/Early Dec.Caused by Lack of whole-body TLD Other than TLD on Upper Arm (← links)
- PNO-III-86-001, on 860108,fire Destroyed Warehouse Bldg Outside Protected Area at Facility.Cause of Fire Undetermined.No Injuries Reported.No Radioactive Matl Involved.State of Mo & Region III Notified (← links)
- PNO-V-86-001, on 860102,unusual Event Declared When Reactor Tripped on lo-lo Steam Generator Level Following Feedwater Pump Trip.Caused by Reactor Coolant Pumps Tripping on Undervoltage.Pumps Restarted in 3 to 5 Minutes (← links)
- PNO-IV-86-003, on 860107,fire Prevention Deluge Sys Inadvertently Actuated in Auxiliary Bldg,Wetting Nonvital 480-volt Ac Load Ctr.Unit May Remain Shut Down in Excess of 2 Days During Evaluation & Drying Out of Load Ctr (← links)
- ML20136J106 (← links)
- PNO-III-85-098, on 851117,between 17,000 & 35,000 Gallons of Radioactive Water Released from Ruptured Seam in Condensate Storage Tank.Water Radioactivity Less than 0.4% of Regulatory Limit for Offsite Release (← links)
- PNO-III-85-097, during Weekend of 851116-17,Troxler moisture-density Gauge,Containing 10 Mci Cs-137 & 50 Mci Am-241,stolen from Const Site at Taylor,Mi.Police Dept Notified (← links)
- PNO-I-97-015, on 970312,identified Among recently-obtained Equipment,Gauge Labelled as Containing 200 Mci of Cs-137. Commonwealth of PA Notified & Will Dispatch Inspectors to Site.Region I Prepared to Address Press Inquiries (← links)
- ML20136E919 (← links)
- PNO-V-85-092, on 851226,reactor Tripped.Caused by Loss of Electrical Power to Integrated Control Sys.Augmented Investigation Team Onsite on 851228 & Completed All Initial Interviews of All Operating Staff as of 851229 (← links)
- PNO-V-85-077, on 851113,blown Fuse in Water Level Control Sys Resulted in Reactor Feedpumps Overfeeding & Reactor Trip.Caused by Faulty Inverter.Facility Shut Down to Allow Installation of Instrumentation to Monitor Vibrations (← links)
- ML20136B030 (← links)
- ML20136A867 (← links)