Pages that link to "PNO-III-87-010, on 870121,both Component Cooling Water Pumps Tripped in Succession Rendering Sys Inoperable.Initial Cause Due to Low Surge Tank Flow.Cause of Low Flow Under Investigation.Operability Restored by Restoring Flow Level,"
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The following pages link to PNO-III-87-010, on 870121,both Component Cooling Water Pumps Tripped in Succession Rendering Sys Inoperable.Initial Cause Due to Low Surge Tank Flow.Cause of Low Flow Under Investigation.Operability Restored by Restoring Flow Level,:
Displayed 36 items.
- PNO-III-80-040, station Will Start Limited Const of safety- Related Activities During Wk of 800303-08.Staff Will Slowly Be Increased to High of 700 in June (← links)
- PNO-III-88-048, on 880520,full Power OL Issued.Currently at 8% Power,Licensee Engaged in Power Ascension Activities. NRR Region IV Will Provide Augmented Insp Coverage of Power Ascension (← links)
- ML20151U993 (← links)
- PNO-III-88-026, on 880323,licensee Began Orderly Shutdown of Unit 1 Due to Identified Deficiencies in Lubricant Used in motor-operated Limitorque Valves.Deficiencies Apply to 263 safety-related Valves in Both Units 1 & 2 (← links)
- PNO-III-88-086, on 881016,reactor Automatically Shut Down Following Loss of Offsite power.Diesel-driven Auxiliary Feedwater Pumps Maintained Steam Generator Level.Caused by Explosion & Fire in Substation & Carboard in Delay Relay (← links)
- PNO-III-89-029, on 890418,Region III Operator Licensing Examiner Observed Individual with Eyes Closed in Chair in Unit 1 Cr.On 890419,licensing Examiner Observed Radiation Control Technician Asleep at Desk by RCA at Building Exit (← links)
- PNO-III-89-031, on 890423,licensee Shutdown Reactor Because Instrument Power Supply Was Found to Be Inoperable on 970422.Caused by Faulty Capacitor & Inverter Repaired & Returned to Svc on 890425 (← links)
- PNO-III-87-047, on 870329,failure of Rocker Arm on Emergency Diesel Generator 2B Number 5 Right Cylinder Occurred. Concurrent Metallurgical Analyses Being Conducted to Determine Cause of Event (← links)
- PNO-III-86-053, on 860604,pressurizer Relief Tank Overpressurized W/Pure Water Bursting Rupture Diaphragm. Caused by Incorrect Valve Lineup During Testing Leak Detection Sys.Contractor Employees Injured (← links)
- PNO-III-88-088, on 881025,unit Manually Tripped from 28% Power to Avoid Challenging Reactor Protection Sys.Caused by Low Steam Generator Water Levels.Unit Expected to Be Down from Five to Seven Days While Strainers Cleaned (← links)
- PNO-III-94-013, on 940308,contract Worker Was Injured When He Fell Into Blowdown Demineralizer Vault.Worker Was Transported in Ambulance to Area Hosp in Serious Condition (← links)
- PNO-III-94-086, on 941103,near End of Operability Test for 2B Emergency Diesel Generator Master Rod in Diesel Failed Resulting in Significant Internal Damage to 1L & 1R Cylinders (← links)
- PNO-III-92-056, on 921015,licensee Reported Discovery of Evidence of Vandalism in Upper Cable Spreading Room,Shared by Both Units,Caused by Contractor Employee Who Performed Firewatch Duties.Employee Site Access Suspended (← links)
- PNO-III-88-017, on 880308,unit Achieved Initial Criticality. Conditions at Criticality as Expected.Nrc Inspectors Monitored Preparation for Criticality.Ol Permitting Fuel Loading & Low Power Testing Issued on 871218 (← links)
- PNO-III-98-013, on 980126,turbine Tripped Causing Subsequent Reactor Trip.Cause of Turbine Trip Remains Under Investigation.Appears Replacement Circuit Board Had Incorrect Electronic Configuration (← links)
- PNO-III-88-094, on 881115,discovered Joint in 4-inch Instrument Air Line Damaged & Causing Loss of Pressure in Compressed Air Sys.Air Line Joint Probably Stepped on by Painter Working in Area (← links)
- PNO-III-87-049, on 870408,handgun Found on Contract Employee During Walk Through Metal Detector at Entrance to Protected Area.Incident Under Investigation.Individual Has Access to All Vital Areas in Plant Except for Central Alarm Station (← links)
- ML20212R425 (redirect page) (← links)
- PNO-III-87-010 (redirect page) (← links)
- PNO-III-86-030, on 860325,while Conducting Hft,Two Main Steam Line Pipe Supports in Steam Tunnel Failed as Result of Apparent Water Hammer.State of Il Notified (← links)
- PNO-III-86-117, on 861017,operating License Issued to Commonwealth Edison Co for Braidwood Nuclear Power Station, Unit 1.License Limited to Fuel Loading & Initial Testing Activities Leading to Criticality (← links)
- PNO-III-89-025, on 890411,main Turbine Tripped by Licensee. Reactor Shut Down for Repairs on Already Malfunctioning Main Turbine Governor Valve.Unit Expected to Return to Svc on 890416.State of Il to Be Notified (← links)
- PNO-III-87-154, on 871218,OL Issued to Facility to Permit Fuel Loading & Operation Up to 5% Power.Fuel Loading Scheduled for 871221.Initial Criticality Planned for Feb 1988 (← links)
- PNO-III-87-155, on 871220,fire Damaged Const Warehouse Outside Protected Area.Cause Under Investigation.Fire Did Not Affect Plant Operations.Local Fire Depts Summoned (← links)
- ML20249B638 (← links)
- ML20249A885 (← links)
- PNO-III-89-047, on 890718,rod Control Sys Lost Power,Dropping Control Rods Into Reactors.Caused by Lightning Strikes.Power Supplies Reset & Rod Control Sys Operating Normally.Licensee Plans to Restart Both Units on 890719 (← links)
- ML20236E912 (← links)
- PNO-III-87-099, on 870717,licensee Declared Diesel Generator 1B Inoperable Following Monthly Surveillance Test.Licensee Unable to Maintain Min Load of 5,500 Kw Per Tech Specs Due to Output Swings.Unit Shut Down in Excess of 48 H (← links)
- PNO-III-87-092, on 870702,util Issued full-power Operating License for Unit 1.State of Il to Be Notified.Unit 2 Under Const & 97% Complete (← links)
- PNO-III-89-029A, on 890425,Augmented Insp Team Began Insp at Plant in Response to NRC Observations of Two Employees Appearing Inattentive to Duty.Licensee Reestablished Shift Overview Superintendent Position to Provide Mgt Visibility (← links)
- PNO-III-86-126, on 861101,anonymous Male Caller Telephoned Plant Security Ofc Claiming Bomb Had Been Planted in Auxiliary Bldg.Auxiliary Bldg Evacuated Except for Firewatch & Security Personnel & Search Conducted.No Bomb Found (← links)
- PNO-III-87-080, on 870529,reactor Achieved Initial Criticality.Ol Issued on 861017,authorizing Fuel Load & Subcritical Testing.Preparation for & Achievement of Initial Criticality Monitored by Resident Inspectors (← links)
- PNO-III-87-020, on 870204,lubricating Oil & Fuel Leaks Detected During 24 H Test Run of Emergency Diesel Generator. Caused by Interference Between Cross Head & Cross Head Guide.Steps to Ensure Correct Clearance Being Taken (← links)
- PNO-III-86-101, on 860918,ASLB Issued Memorandum & Order Authorizing NRR to Issue Limited License to Util for Fuel Loading & Precriticality Testing.Fuel Loading Expected on 861015 (← links)
- PNO-III-90-055, on 900801,unit Shut Down to Repair Check Valve 1A Essential Svc Water Pump.Caused by Failure of Pump Discharge Check Valve to Seat.Check Valve Will Be Replaced (← links)