Pages that link to "PNO-III-86-035, on 860410,during Reactor Shutdown, Unidentified Leak in Primary Coolant Sys Surpassed One Gpm. Caused by Relief Valve in Letdown Sys Leaking Primary Coolant Into Quench Tank.Addl Leakage Source Investigated"
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The following pages link to PNO-III-86-035, on 860410,during Reactor Shutdown, Unidentified Leak in Primary Coolant Sys Surpassed One Gpm. Caused by Relief Valve in Letdown Sys Leaking Primary Coolant Into Quench Tank.Addl Leakage Source Investigated:
Displayed 36 items.
- PNO-III-85-100, on 851202,licensee Declared Unusual Event Due to Potential Flooding of Plant Site.Approx 150 Ft of Fencing Lost Due to Erosion by Wind & Wave Action.Gravel Used to Stem Further Erosion (← links)
- PNO-III-86-019, on 860307,licensee Began Unscheduled 16-day Shutdown to Replace Degraded Seals in Two Primary Coolant Pumps.Repair of Leaking Loop Isolation Check Valve & Pressure Control Valves Also Planned (← links)
- PNO-III-85-089, on 851015,RHR Shutdown Cooling Suction Isolation Valve Found Leaking in Excess of Tech Specs.Caused by Failed Valve Packing.Packing & Motor Replaced & Valve Returned to Svc on 851019 (← links)
- ML20151X610 (← links)
- ML20155D746 (redirect page) (← links)
- PNO-III-86-035 (redirect page) (← links)
- PNO-III-89-007, on 890130 Unit Taken off-line to Repair Primary to Secondary Tube Leak in B Sg.Caused by Leakage Increase Since 890124 & Reaching Licensee Administrative Limit of 0.1 Gpm.Plans Include Preventive Plugging of Tubes (← links)
- PNO-III-86-049, on 860522,Region III Dispatched Augmented Insp Team to Review Circumstances Surrounding 860519 Reactor Trip,Including Equipment Problems Involving Failure of Turbine Bypass & Atmospheric Dump Valves (← links)
- PNO-III-93-027, on 930504,listed Individuals Filed Suit Against NRC on Dry Cask Storage Sys at Plant.Util Planning to Begin Movement of Sf Into Storage Casks on 930507 (← links)
- PNO-III-93-038, on 930701,licensee Discovered Highly Radioactive Object on Floor of upender-tilt Pit in Refueling Area of Containment.There Have Been No Radiation Overexposures as Result of Event (← links)
- PNO-III-87-053, on 870412,reactor Manually Tripped as Result of Leak in Electrohydraulic Control (EHC) Sys for Main Turbine.Caused by Fatigue Failure of Impeller of Pump in EHC Sys.Pump Repaired (← links)
- PNO-III-87-134, on 871015,w/unit Cold Shutdown for Maint, Operators Tripped Operating Shutdown Coolant Pump in Response to Alarms & Indications of Fluctuation Pressure within Pump (← links)
- PNO-III-87-085, on 870620,while Reducing Power for Governor Valve Test on Main Turbine,Turbine Was Taken Off Line After Discovery of electro-hydraulic Control Fluid Leak on 4 Governor Valve (← links)
- ML20249B266 (← links)
- ML20249A820 (← links)
- ML20249A808 (← links)
- ML20249A758 (← links)
- ML20248F174 (← links)
- ML20236X018 (← links)
- PNO-III-87-140, on 871111,oiler on Feedwater Block Valve Exploded in Turbine Bldg,Injuring Two Workers.One Individual Taken to Local Hosp & Later Transferred to Kalamazoo,Mi Hosp for Surgery & Second Worker Treated at Plant (← links)
- ML20236M152 (← links)
- ML20236E916 (← links)
- PNO-III-87-097, on 870714,plant Lost Offsite Power Causing Reactor Trip.Caused by Ground Fault in One of Three Startup Transformers.Main Generator Will Be Disconnected from Main Transformer Which Will Feed Power to Plant (← links)
- PNO-III-87-131, on 871007,util & Bechtel Power Corp Issued Joint Press Release Announcing Tentative Agreement to Form New Joint Venture Which Would Own & Operate Facility.Util Would Continue to Operate Facility Under Contract for 3 Yrs (← links)
- PNO-III-87-095, on 870709,reduction in Power Occurred Due to Handswitch Failure on Cooling Tower Pump B Discharge Valve. on 870710,decreasing Oil Pressure in Primary Coolant Pump Noted.Possibly Caused by Pump Vibration Creating Oil Leak (← links)
- PNO-II-99-043, on 991013,Palisades Nuclear Plant Located Near South Haven,Mi Notified NRC That Package Received from Licensee Exceeded External Radiation Limits of 200 Mrem Per H Authorized by Regulations.Shipper & Carrier Notified (← links)
- ML20217A477 (← links)
- PNO-III-87-097A, on 870714,preliminary Review of Incident Determined That Startup Transformer 1-2 Faulted.Cause of Initial Fault Still Under Investigation (← links)
- PNO-III-86-146, on 861212 Unidentified Male Telephoned Bangor,Michigan,Fire Dept & South Haven Tribune Newspaper Threatening to Randomly Shoot at Plant.Law Enforcement Armed Personnel Positioned on Site.No Gunfire Reported (← links)
- PNO-III-87-044C, on 870405,unit Completed Testing Activities at 30% Level & Increased Power at 45% for Further Testing & Review.Power Held at 45% for Repair of Valve in Cooling Tower Sys & Oil Flow in Main Feedwater Pump Bearing (← links)
- PNO-III-87-044B, on 870403,unit Tied to Util Electrical Grid for First Time Since 860519 Reactor Trip.Licensee Began Plant Startup on 870327 But Returned to Cold Shutdown to Replace Failed Nuclear Instrument (← links)
- PNO-III-87-044, on 870326,licensee Formally Requested Region III to Allow Restart of Unit.On 870327,region Issued Confirmatoru Action Ltr Permitting Restart & Power Ascension Program.Instrument Channel Malfunctioned During Preparation (← links)
- PNO-III-87-044A, on 870327,after Attempted Critical Approach, Plant Taken Back to Cold Shutdown to Replace Nuclear Instrument Detector Which Did Not Indicate Properly.Work Should Be Completed by 870401 (← links)
- PNO-III-83-098A, on 831116 Licensee Informed That eddy-current Exam of All Tubes in Both SG Using New High Sensitivity Probe W/Continued Identification of Crack Indications Essentially Completed (← links)
- PNO-III-86-049A, on 860519,reactor Trip Occurred Resulting in Multiple Equipment Failures Which Hindered Operator Response Due to Previous Equipment Problems.Augmented Investigation Team Completed Review on 860525 (← links)
- PNO-III-82-065, on 820711,operator Discovered Smoke Emanating from B Cooling Tower Pump Motor & on 820710,A Cooling Tower Pump Taken Out of Svc Due to Bearing Problems.Repairs Expected to Take at Least 30 Days (← links)