Pages that link to "PNO-III-89-042, on 890629,unit 1 Turbine Tripped,Causing Reactor Scam.Licensee in Process of Placing Reactor in Cold Shutdown to Repair Degraded Inner Seal on 1B Reactor Circulation Pump Prior to Startup.State of Il Notified"
Jump to navigation
Jump to search
The following pages link to PNO-III-89-042, on 890629,unit 1 Turbine Tripped,Causing Reactor Scam.Licensee in Process of Placing Reactor in Cold Shutdown to Repair Degraded Inner Seal on 1B Reactor Circulation Pump Prior to Startup.State of Il Notified:
Displayed 50 items.
- PNO-III-86-003, on 860120,insulating Matl Between Outer Drywell Surface & Concrete Shielding Wall Began to Smolder During Welding.Personnel Evacuated.Area Hosed Down.Licensee Evaluating Consequences of Fire (← links)
- PNO-III-80-176, potentially High Press Interest Exists in Results of Institute of Nuclear Power Operations Insp of Station.Summary of Insp Rept Encl (← links)
- PNO-III-86-032, on 860401,main Control Room Panels for Both Units Found Unbolted.Caused by Improper Installation Per Design Drawings.Panels Being Bolted to Support Beams.Cause of Discrepancy Under Investigation (← links)
- PNO-III-85-101, on 851214,contractor Employee Found Dead in Reactor Bldg Basement.Caused by Fall of Approx 40 Ft from Exterior of Torus & Striking of Valve During Fall.Grundy County Sheriff Dept & Coroner Notified (← links)
- PNO-III-97-014, on 970227,employee Exiting Plant Had Set Off Radiation Detector.Employee Hands Found to Have Low Levels of Contamination.Staff from Dresden Plant Interviewed Employee Re Work Activities to Determine Contamination (← links)
- PNO-III-85-084, on 850919,reactor Scrammed Due to Mechanic Bumping Circuit Board.Reactor Bldg Evacuated Due to Steam Leak & High Radiation Alarms.Four People Slightly Contaminated (← links)
- ML20151X593 (← links)
- ML20151X566 (← links)
- PNO-III-88-046, on 880517,test Performed as Part of Investigation of Dec 1987 Incident in Which Air Line Became Disconnected on One MSIV & Did Not Fully Close.Ait Will Maintain Insp Coverage of Activities Associated W/Msiv (← links)
- PNO-III-88-053, on 880604,while Unit 3 Was Shutdown for Refueling Outage,Contractor Fire Watch Noticed Smoke Coming from Beneath Welder Working on Struts Being Installed on RWCU Sys Piping Penetration Inside RWCU Pipe Way Pit (← links)
- ML20198K749 (redirect page) (← links)
- PNO-III-89-042 (redirect page) (← links)
- PNO-III-96-066, on 961026,3B Reactor Recirculation Pump motor-generator Tripped.Licensee Determined Recovery of Idle Loop Impossible W/O Plant Shutdown & Began Controlled Shutdown.Independent Insp Safety Team Onsite for Review (← links)
- PNO-III-86-076, on 860804,isolation Valves in Nitrogen Lines to CRD Accumulators Found Closed.Caused by Mispositioning of Valve.Licensee Investigating Mispositioning to Determine Cause (← links)
- PNO-III-86-078, on 860806,leakage of Approx 144,000 Gallons of Primary Sys Coolant Water from RWCU Sys Into Torus Bldg Sumps Reported.Cause Undetermined.Rwcu Sys Isolated & Leakage Terminated.Investigation Continuing (← links)
- PNO-III-86-099, on 860917,licensee Shut Reactor Down to Permit Cleaning of Main Condenser.Condenser Tubes Became Partially Blocked by Clams/Clam Shells.Other Maint Work Also Planned.Restart Expected No Earlier than 860919 (← links)
- PNO-V-86-016, on 860407,State of Wa Informed Region That One Drum in 860403 Radwaste Shipment from Facility Had Hole in Side.Util Barred from Use of Burial Site.Burial Permit 2280 Suspended Effective on 860404 (← links)
- PNO-III-91-038, w/Dresden Unit 3 in Cold Shutdown & Reactor Defueled,Licensee Experienced Loss of All Unit 3 Annunciators in Control Room.Loss Caused by Blown 3 Amp Fuse.Fuse Replaced & Control Room Annunciators Restored (← links)
- ML20207G426 (← links)
- ML20207G397 (← links)
- PNO-III-87-054, on 870409,unit Manually Shut Down & Scrammed Following Vacuum Problem in Main Condenser & Increasing Temp in Hotwell.Caused by Partially Dislodged Ceiling Embedment Plate Supporting Portion of Lpci.Plate Repaired (← links)
- PNO-III-86-087, on 860827,plant Shut Down Due to Equipment Problems Resulting in Inoperable HPCI Sys & Train B of Core Spray Sys.Addl Problems Identified During Shutdown.Repairs Underway (← links)
- PNO-III-87-033, on 870303,shutdown Cooling Sys Pump 3A Declared Inoperable Following Insp Which Showed Degradation of Oil Quality from Upper Bearing Housing.Util Does Not Plan to Resume Reactor Operation Prior to 870304 (← links)
- PNO-III-87-031, on 870217,loosened Bolt Discovered on Diesel Generator Cooling Pump Flange.Caused by Deliberate Loosening of Bolts.Licensee Increased Security Coverage Pending Completion of Investigation (← links)
- PNO-III-87-029, on 870126,six of Twelve ROs & SROs Failed Requalification Exam.Operators Who Failed Exam Removed from Licensed Operating Activities (← links)
- PNO-III-87-105, on 870807,reactor Manually Scrammed.Caused by Variations in Feedwater Flow to Reactor & Leakage from Feedwater Sys.Ndt Performed Small Diameter Feedwater Piping & Other High Stress Areas (← links)
- ML20249B893 (← links)
- ML20249B559 (← links)
- ML20249B340 (← links)
- ML20248L074 (← links)
- ML20236V306 (← links)
- ML20236U880 (← links)
- ML20236U528 (← links)
- ML20236U316 (← links)
- ML20236U021 (← links)
- ML20236T963 (← links)
- ML20236F362 (← links)
- ML20236F279 (← links)
- PNO-III-87-127, on 870904,manipulation of Controls by non- Licensed Engineer Occurred.Caused by Personnel Error. Licensee Met W/Licensed Operators & Nuclear Engineers to Review Requirement Policy (← links)
- PNO-III-87-096, on 870711,reactor Trip Occurred.Caused by Increased Feedwater Flow from 2.2 to 5.6 Million Gallons/H & Closure of All Msivs.Licensee Has No Plans to Operate in Element Control 3 on Feed Sys in the Near Future (← links)
- PNO-III-87-125, on 870918,both Units Shutdown Due Inability to Maintain Required Pressure Differential Between Secondary Containment & Atmosphere.Licensee Investigating Source of Leakage.State of Il Notified (← links)
- ML20217B207 (← links)
- ML20217A585 (← links)
- PNO-III-86-142, on 861205,licensees Notified NRC That Electrical Splices Did Not Meet Environ Qualification Requirements & Plants Shut Down.Each Unit Has 150 Splices Which Must Be Repaired.Repairs Expected to Take 5 Days (← links)
- PNO-III-87-031A, updates Four Possible Equipment Tampering Incidents at Plant.No Final Conclusions Reached Following Interviews W/About 140 Plant Workers.On 870306,mgt Reacted to Rept of Hoax Explosive Device at Plant.Workers Suspended (← links)
- PNO-III-92-039A, on 920701,annunciators on Four CR Panels Were Lost About Three Times in Five Seconds.Later During Troubleshooting Efforts,Annunciators Were Again Lost.Cause Was Loose Connection in Copper Link within Fuse Holder (← links)
- PNO-III-80-169A, since 800905,extensive Investigations by Region 3 & Util Personnel Into Allegations of Radioactive Release Has Not Determined Whether Actual Release of Low Level Radioactive Water Occurred (← links)
- PNO-III-80-169, on 800904,reporter from Chicago Sun Times Contacted NRC Resident Inspectors Re Allegations That 400,000 Gallons of Radioactive Water Leaked from Station Since Jul 1980 (← links)
- PNO-III-86-003A, on 860120,inspectors Discovered That Temps Created by Polyurethane Insulation Fire on 860120 May Have Been High Enough to Cause Physical Changes to Portions of Drywell Vessel Metal (← links)
- PNO-III-85-071A, circuitry Mods to Plant Transformers Completed & Successfully Tested on 850819.Mods Instituted Due to Failure in Switching Mechanism in Auxiliary Main Station Transformer (← links)