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PNO-III-85-095D, on 851113,bearing Damage Occurred to Diesel Generators 13,11 & 14.Caused by Insufficient break-in Period.Bearing Replacement Required for Diesel Generator 11. Decrease in Lubricating Oil Viscosity Noted for 12 & 1424 December 1985PNO-III-85-095D:on 851113,bearing Damage Occurred to Diesel Generators 13,11 & 14.Caused by Insufficient break-in Period.Bearing Replacement Required for Diesel Generator 11. Decrease in Lubricating Oil Viscosity Noted for 12 & 14
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 Release18 November 1985PNO-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
PNO-III-86-004, RHR Pump Motor Removed Offsite for Testing & Insp Following 851125 Failure Due to Mfg Defect.Pump Replaced.Generic Implications Under Investigation23 January 1986PNO-III-86-004:RHR Pump Motor Removed Offsite for Testing & Insp Following 851125 Failure Due to Mfg Defect.Pump Replaced.Generic Implications Under Investigation
PNO-III-86-008, on 860125,roving Fire Watch Discovered Burning Insulation on Exhaust Line of Emergency Diesel Generator 13.Caused by Oil Soaking Insulation During Prior Disassembly & Oil Flushing.Fire Extinguished.Leak Repaired27 January 1986PNO-III-86-008:on 860125,roving Fire Watch Discovered Burning Insulation on Exhaust Line of Emergency Diesel Generator 13.Caused by Oil Soaking Insulation During Prior Disassembly & Oil Flushing.Fire Extinguished.Leak RepairedFire Watch
PNO-III-86-009, on 860131,earthquake Felt at Plant.No Significant Damage Reported.Some Site Personnel Evacuated. Site Area Emergency Declared.Supporting Documentation Encl31 January 1986PNO-III-86-009:on 860131,earthquake Felt at Plant.No Significant Damage Reported.Some Site Personnel Evacuated. Site Area Emergency Declared.Supporting Documentation EnclEarthquake
PNO-III-86-009A, on 860131,earthquake Experienced at Plant. Site Response Activities Accomplished by Implementing Emergency Plan,Although Action Not Required Prior to Licensing.No Significant Damage Noted3 February 1986PNO-III-86-009A:on 860131,earthquake Experienced at Plant. Site Response Activities Accomplished by Implementing Emergency Plan,Although Action Not Required Prior to Licensing.No Significant Damage NotedSafe Shutdown Earthquake
Operating Basis Earthquake
Earthquake
Scaffolding
PNO-III-86-024, on 860317,backup Reactor Protection Sys Trip Breaker Failed to Trip During Bus a Transfer from Primary Electrical Supply.Caused by Repeated Testing.Manual Scram Inserted.Investigation Underway17 March 1986PNO-III-86-024:on 860317,backup Reactor Protection Sys Trip Breaker Failed to Trip During Bus a Transfer from Primary Electrical Supply.Caused by Repeated Testing.Manual Scram Inserted.Investigation Underway
PNO-III-86-037, on 860418,util Announced Extension of Outage to mid-Jul 1986.Licensee Review of Reevaluation of Design Work Performed on Concrete Embedments & Pipe Supports Will Be Completed by 86050118 April 1986PNO-III-86-037:on 860418,util Announced Extension of Outage to mid-Jul 1986.Licensee Review of Reevaluation of Design Work Performed on Concrete Embedments & Pipe Supports Will Be Completed by 860501
PNO-III-86-067, on 860708,Monroe County Board of Commissioners Adopted Resolution,By 5 to 3 Vote,Requesting Congressman Dingell to Hold Hearings on Adequacy of GE Mark 1 Containment9 July 1986PNO-III-86-067:on 860708,Monroe County Board of Commissioners Adopted Resolution,By 5 to 3 Vote,Requesting Congressman Dingell to Hold Hearings on Adequacy of GE Mark 1 Containment
PNO-III-86-069, on 860715,full Scram & ECCS Actuation Occurred During Heatup of Reactor Pressure Vessel.Approx 10 Gallons of Water Injected Into Vessel.Caused by Pressure Spike from Flow Perturbation.State of Mi Informed16 July 1986PNO-III-86-069:on 860715,full Scram & ECCS Actuation Occurred During Heatup of Reactor Pressure Vessel.Approx 10 Gallons of Water Injected Into Vessel.Caused by Pressure Spike from Flow Perturbation.State of Mi InformedHydrostatic
PNO-III-86-074, on 860731,licensee Authorized to Resume Operation Up to 5% Power.Further NRC Authorization Required for Higher Power Levels.Startup Will Begin on 8608011 August 1986PNO-III-86-074:on 860731,licensee Authorized to Resume Operation Up to 5% Power.Further NRC Authorization Required for Higher Power Levels.Startup Will Begin on 860801
PNO-III-86-074A, on 860804,start Up Initiated W/Removal of Control Rods.Activities Postponed from 860801 for Repair of Bypass Valve.Problem W/Position Indicators for MSIVs Also Corrected4 August 1986PNO-III-86-074A:on 860804,start Up Initiated W/Removal of Control Rods.Activities Postponed from 860801 for Repair of Bypass Valve.Problem W/Position Indicators for MSIVs Also Corrected
PNO-III-86-077, on 860806,fire & Electric Overload Alarm Received.Fire Located in Cubicle Containing Power Supply Breaker.Cause Unknown.Fire Extinguished.Power Supply Breaker & Affected Motor Control Ctr Inspected7 August 1986PNO-III-86-077:on 860806,fire & Electric Overload Alarm Received.Fire Located in Cubicle Containing Power Supply Breaker.Cause Unknown.Fire Extinguished.Power Supply Breaker & Affected Motor Control Ctr Inspected
PNO-III-86-083A, on 860828,nine NRC Licensing Examiners Completed Simulator Portion of Requalification Exams.All Nine Passed Exams.Licensee Requalification Program for Licensed Operators Acceptable29 August 1986PNO-III-86-083A:on 860828,nine NRC Licensing Examiners Completed Simulator Portion of Requalification Exams.All Nine Passed Exams.Licensee Requalification Program for Licensed Operators Acceptable
PNO-III-86-088, on 860902,normal Plant Shutdown Began for Repair of Malfunctioning torus-to-reactor Bldg Vacuum Breaker Isolation Valve.Repair Effort Expected to Take More than 48 H.Addl Maint Will Be Conducted During Shutdown3 September 1986PNO-III-86-088:on 860902,normal Plant Shutdown Began for Repair of Malfunctioning torus-to-reactor Bldg Vacuum Breaker Isolation Valve.Repair Effort Expected to Take More than 48 H.Addl Maint Will Be Conducted During Shutdown
PNO-III-86-097, on 860912,authorization Granted to Increase Power Level to 20%.Power Escalation Expected This Wk.Power Increase Previously Recommended for 86091015 September 1986PNO-III-86-097:on 860912,authorization Granted to Increase Power Level to 20%.Power Escalation Expected This Wk.Power Increase Previously Recommended for 860910
PNO-III-86-106, on 860926,suspicious Device Found on Hatch Cover on Fourth Floor of Auxiliary Bldg.Bomb Disposal Specialists Investigated Device & Found Device Empty.Device Was Piece of Pipe Placed on Hatch by Maint Personnel26 September 1986PNO-III-86-106:on 860926,suspicious Device Found on Hatch Cover on Fourth Floor of Auxiliary Bldg.Bomb Disposal Specialists Investigated Device & Found Device Empty.Device Was Piece of Pipe Placed on Hatch by Maint Personnel
PNO-III-86-111, on 861005,reactor Manually Scrammed from 15% Power Due to Partial Loss of Vacuum in Condenser Causing Temp Increase.Also,On 861005,during Test of Water Level Transmitters,Pressure Spike Inadvertently Introduced8 October 1986PNO-III-86-111:on 861005,reactor Manually Scrammed from 15% Power Due to Partial Loss of Vacuum in Condenser Causing Temp Increase.Also,On 861005,during Test of Water Level Transmitters,Pressure Spike Inadvertently Introduced
PNO-III-86-112, on 861009,problem Occurred W/Rod Sequence Control Sys,Hindering Normal Manual Insertion of Control Rods.Caused by Low Voltage in Normal Power Supply.Evaluation of Problem Underway10 October 1986PNO-III-86-112:on 861009,problem Occurred W/Rod Sequence Control Sys,Hindering Normal Manual Insertion of Control Rods.Caused by Low Voltage in Normal Power Supply.Evaluation of Problem Underway
PNO-III-86-118, on 861023,licensee Demonstrated Remote Shutdown Capability.Demonstration Successful W/All Equipment Operating as Designed.Plant Control Returned to Control Room After 45 Minutes.Plant in Cold Shutdown for Scheduled Maint24 October 1986PNO-III-86-118:on 861023,licensee Demonstrated Remote Shutdown Capability.Demonstration Successful W/All Equipment Operating as Designed.Plant Control Returned to Control Room After 45 Minutes.Plant in Cold Shutdown for Scheduled Maint
PNO-III-86-125, on 861031,operator Inadvertently Skipped Step in Rod Withdrawal Procedure & Pulled Next Rod in Sequence Out One Notch (6 Inches).Rod Reinserted to Proper Position & Correct Rod Sequence Restored31 October 1986PNO-III-86-125:on 861031,operator Inadvertently Skipped Step in Rod Withdrawal Procedure & Pulled Next Rod in Sequence Out One Notch (6 Inches).Rod Reinserted to Proper Position & Correct Rod Sequence Restored
PNO-III-86-131, on 861107,unit Shut Down Due to Air Leakage Into Main Condenser.Caused by Leakage in Thermal Expansion Joint Between One Low Pressure Turbine & Main Condenser. Licensee Plans to Inspect Remaining Joints10 November 1986PNO-III-86-131:on 861107,unit Shut Down Due to Air Leakage Into Main Condenser.Caused by Leakage in Thermal Expansion Joint Between One Low Pressure Turbine & Main Condenser. Licensee Plans to Inspect Remaining Joints
PNO-III-86-131A, 4-ft Tear Identified in North Condenser Boot During Repairs to Condenser Thermal Expansion Boots.Caused by Structural Damage to Condenser Supports.North & Ctr Condenser Thermal Expansion Boots Replaced14 November 1986PNO-III-86-131A:4-ft Tear Identified in North Condenser Boot During Repairs to Condenser Thermal Expansion Boots.Caused by Structural Damage to Condenser Supports.North & Ctr Condenser Thermal Expansion Boots Replaced
PNO-III-86-136, on 861117,283,000 Gallons of Water Lost from Condensate Storage Tank Following Maint on Valve.Caused by Breaking of Weld to HPCI Test Return Pipe.Radwaste Spill Occurred During Transfer of Spilled Water18 November 1986PNO-III-86-136:on 861117,283,000 Gallons of Water Lost from Condensate Storage Tank Following Maint on Valve.Caused by Breaking of Weld to HPCI Test Return Pipe.Radwaste Spill Occurred During Transfer of Spilled Water
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 Days5 December 1986PNO-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
PNO-III-86-148, on 861217,guns,knives,ammunition & Marijuana Found in Possession of Truck Driver Seeking Entrance to Protected Area.Driver Denied Access & Arrested by State Police.Driver Involved W/Paramilitary Organization for Hire17 December 1986PNO-III-86-148:on 861217,guns,knives,ammunition & Marijuana Found in Possession of Truck Driver Seeking Entrance to Protected Area.Driver Denied Access & Arrested by State Police.Driver Involved W/Paramilitary Organization for Hire
PNO-III-87-001, on 870102,three Small Steam Leaks Discovered on Two of Four Main Steam Lines.During Power Reduction for Shutdown,Main Turbine Tripped on 18% Power.Cause Under Investigation.Instrument Lines Will Be Temporarily Plugged2 January 1987PNO-III-87-001:on 870102,three Small Steam Leaks Discovered on Two of Four Main Steam Lines.During Power Reduction for Shutdown,Main Turbine Tripped on 18% Power.Cause Under Investigation.Instrument Lines Will Be Temporarily Plugged
PNO-III-87-001A, on 870102,licensee Discovered Three Small Steam Leaks on Two of Four Main Steam Lines & on 870105, Following Repairs & Return of Steam Lines to Svc,Cracked Weld on Instrument Line/Valve Connection Found6 January 1987PNO-III-87-001A:on 870102,licensee Discovered Three Small Steam Leaks on Two of Four Main Steam Lines & on 870105, Following Repairs & Return of Steam Lines to Svc,Cracked Weld on Instrument Line/Valve Connection Found
PNO-III-87-001B, on 870108,normal Plant Shutdown Commenced to Repair Series of Small Steam Leaks on Main Steam Piping Attachments.Leak Located on Main Turbine Stop Valve 3 & Can Only Be Isolated by Closing MSIVs8 January 1987PNO-III-87-001B:on 870108,normal Plant Shutdown Commenced to Repair Series of Small Steam Leaks on Main Steam Piping Attachments.Leak Located on Main Turbine Stop Valve 3 & Can Only Be Isolated by Closing MSIVs
PNO-III-87-004, rept Submitted on 870107 to State of Oh Governor Rf Celeste Re Emergency Planning at Facilities Recommended That Plants Be Limited to 5% Power Until Emergency Planning Deficiencies Corrected7 January 1987PNO-III-87-004:rept Submitted on 870107 to State of Oh Governor Rf Celeste Re Emergency Planning at Facilities Recommended That Plants Be Limited to 5% Power Until Emergency Planning Deficiencies Corrected
PNO-III-87-009, on 870114,Safe Energy Commission of Michigan (Sec) Announced Results of Investigation Into Licensee Safeteam Program.Rept Contends Safeteam Program Failure.Sec Plans to File 2.206 Petition W/Nrc14 January 1987PNO-III-87-009:on 870114,Safe Energy Commission of Michigan (Sec) Announced Results of Investigation Into Licensee Safeteam Program.Rept Contends Safeteam Program Failure.Sec Plans to File 2.206 Petition W/Nrc
PNO-III-87-012, on 870123,licensee Informed Region That NRC- Licensed Nuclear Supervising Operator Suspended on 870122 Due to Positive Testing in Random Drug Screening on 870115. No Evidence of Error Found in Performance26 January 1987PNO-III-87-012:on 870123,licensee Informed Region That NRC- Licensed Nuclear Supervising Operator Suspended on 870122 Due to Positive Testing in Random Drug Screening on 870115. No Evidence of Error Found in PerformanceFitness for Duty
PNO-III-87-016, on 870129,small Steam Leak Discovered in Spare Instrument Line Attached to Body of West Main Steam Bypass Valve.Caused by Crack in Weld Attaching Valve to Instrument Line.Valves Cut Off & Instrument Lines Plugged30 January 1987PNO-III-87-016:on 870129,small Steam Leak Discovered in Spare Instrument Line Attached to Body of West Main Steam Bypass Valve.Caused by Crack in Weld Attaching Valve to Instrument Line.Valves Cut Off & Instrument Lines PluggedFlow Induced Vibration
PNO-III-87-022, on 870216,Region III Authorized Facility to Exceed Previous 20% Power Limitation & Continue Testing Activities Up to 50% Power.Power Escalation Expected Pending Restoration of HPCI to Operable Status17 February 1987PNO-III-87-022:on 870216,Region III Authorized Facility to Exceed Previous 20% Power Limitation & Continue Testing Activities Up to 50% Power.Power Escalation Expected Pending Restoration of HPCI to Operable Status
PNO-III-87-022A, on 870308,plant Reached NRC Imposed Limit of 50% Power.Licensee Will Operate Plant at Approx 50% While Conducting Test on HPCI Sys,Rwcu Sys & Safety Relief Valves. Util Also Plans to Conduct Loss of Offsite Power Test9 March 1987PNO-III-87-022A:on 870308,plant Reached NRC Imposed Limit of 50% Power.Licensee Will Operate Plant at Approx 50% While Conducting Test on HPCI Sys,Rwcu Sys & Safety Relief Valves. Util Also Plans to Conduct Loss of Offsite Power Test
PNO-III-87-048, on 870402,util Informed Region III That Some Licensed Operators May Not Have Attended All of Required Lectures of Requalification Program.Unit Will Not Restart, Pending Review of Program3 April 1987PNO-III-87-048:on 870402,util Informed Region III That Some Licensed Operators May Not Have Attended All of Required Lectures of Requalification Program.Unit Will Not Restart, Pending Review of Program
PNO-III-87-048A, on 870406-10,NRC Special Insp Concluded That All Licensed Reactor Operators,Currently on Shift,Duty Up to Date W/Util Operator Requalification Program.Addl Review of Past Requalification Program Will Be Conducted13 April 1987PNO-III-87-048A:on 870406-10,NRC Special Insp Concluded That All Licensed Reactor Operators,Currently on Shift,Duty Up to Date W/Util Operator Requalification Program.Addl Review of Past Requalification Program Will Be Conducted
PNO-III-87-055, on 870410-11,licensee Identified Several Steam Leaks in Main Steam Line & HPCI & RCIC Sys Declared Inoperable.Caused by Cracked Welds & Blown Fuse, Respectively.Reactor Shut Down for Steam Line Repairs13 April 1987PNO-III-87-055:on 870410-11,licensee Identified Several Steam Leaks in Main Steam Line & HPCI & RCIC Sys Declared Inoperable.Caused by Cracked Welds & Blown Fuse, Respectively.Reactor Shut Down for Steam Line Repairs
PNO-III-87-075, on 870521,licensee Shut Unit Down from 7% Power to Repair Valve Packing Leak Detected on 870520 in Rwcu.Source of Leak Determined & Valve Opened & Closed to Stop Leakage Through Packing22 May 1987PNO-III-87-075:on 870521,licensee Shut Unit Down from 7% Power to Repair Valve Packing Leak Detected on 870520 in Rwcu.Source of Leak Determined & Valve Opened & Closed to Stop Leakage Through PackingPacking leak
PNO-III-87-081, on 870610,earthquake Measuring 5.0 on Richter Scale Occurred Near Lawrenceville,Il.Unusual Events Declared by Six Power Stations But No Damage Observed.Ground Motion Felt at Five Other Plants11 June 1987PNO-III-87-081:on 870610,earthquake Measuring 5.0 on Richter Scale Occurred Near Lawrenceville,Il.Unusual Events Declared by Six Power Stations But No Damage Observed.Ground Motion Felt at Five Other PlantsEarthquake
PNO-III-87-101, on 870726,licensee Received Bomb Threat from Caller Angry Because Place of Residence Lost Power During Storm.Security Personnel Notified & Search Procedures Implemented.No Bomb Discovered27 July 1987PNO-III-87-101:on 870726,licensee Received Bomb Threat from Caller Angry Because Place of Residence Lost Power During Storm.Security Personnel Notified & Search Procedures Implemented.No Bomb Discovered
PNO-III-87-103, on 870727,licensee Reduced Power to Approx 2% to Repair Feedwater Check Valve Which Was Leaking. Unusual Event Under Licensee Emergency Plan Was Declared,Due to Required Shutdown31 July 1987PNO-III-87-103:on 870727,licensee Reduced Power to Approx 2% to Repair Feedwater Check Valve Which Was Leaking. Unusual Event Under Licensee Emergency Plan Was Declared,Due to Required Shutdown
PNO-III-87-116, on 870831,maint Personnel Discovered Evidence of Pipe Movement & Damage to Pipe Hangers & Supports on Emergency Drain Lines.Cause Undetermined. Investigation Continuing.Unit in Maint Since 8707313 September 1987PNO-III-87-116:on 870831,maint Personnel Discovered Evidence of Pipe Movement & Damage to Pipe Hangers & Supports on Emergency Drain Lines.Cause Undetermined. Investigation Continuing.Unit in Maint Since 870731
PNO-III-87-116A, updates Discovery of Turbine Bldg Pipe Support Damage.Addl Damage to Feedwater Heater Emergency Drain Lines Identified.Cause Undetermined.Damage Under Evaluation & Repair Plans Developed8 September 1987PNO-III-87-116A:updates Discovery of Turbine Bldg Pipe Support Damage.Addl Damage to Feedwater Heater Emergency Drain Lines Identified.Cause Undetermined.Damage Under Evaluation & Repair Plans Developed
PNO-III-87-130, on 871006,loaded .25 Caliber Automatic Pistol Found During Search of tractor-trailer Delivering Empty Radwaste Container to Plant Protected Area.Individual Denied Site Access & Detained Until Arrival of Police6 October 1987PNO-III-87-130:on 871006,loaded .25 Caliber Automatic Pistol Found During Search of tractor-trailer Delivering Empty Radwaste Container to Plant Protected Area.Individual Denied Site Access & Detained Until Arrival of Police
PNO-III-87-133, on 871009,licensee Authorized to Resume Operations Following Maint Outage.Limitation of 50% Power Remains in Effect.Licensee Will Provide Monthly Repts on Status of Preventive Maint Program & Improvement Plans13 October 1987PNO-III-87-133:on 871009,licensee Authorized to Resume Operations Following Maint Outage.Limitation of 50% Power Remains in Effect.Licensee Will Provide Monthly Repts on Status of Preventive Maint Program & Improvement Plans
PNO-III-87-138, on 871103,reactor Shutdown After Two MSIV Failed to Close.Valves Recycled Resulting in Acceptable Time Responses.Augumented Insp Team Dispatched to Plant Site to Review Possible Causes of MSIV Closure Problems3 November 1987PNO-III-87-138:on 871103,reactor Shutdown After Two MSIV Failed to Close.Valves Recycled Resulting in Acceptable Time Responses.Augumented Insp Team Dispatched to Plant Site to Review Possible Causes of MSIV Closure Problems
PNO-III-88-001, on 871231,reactor Scrammed from 75% Power as Result of High Water Level in Reactor,Caused by Personnel Error During Installation of Auxiliary Computer Intended to Monitor Feedwater Heater Temp4 January 1988PNO-III-88-001:on 871231,reactor Scrammed from 75% Power as Result of High Water Level in Reactor,Caused by Personnel Error During Installation of Auxiliary Computer Intended to Monitor Feedwater Heater Temp
PNO-III-88-002, on 880111,reactor Tripped & HPCI & RCIC Sys Triggered Automatically Due to Trip of One Reactor Feedwater Pump.Caused by Feedwater Control Sys Power Supply Failure. Power Supply Replaced11 January 1988PNO-III-88-002:on 880111,reactor Tripped & HPCI & RCIC Sys Triggered Automatically Due to Trip of One Reactor Feedwater Pump.Caused by Feedwater Control Sys Power Supply Failure. Power Supply Replaced
PNO-III-88-003, on 880115,regional Administrator Authorized Licensee to Exceed 75% for First Time & Proceed Up to 100% Power.On 880116,licensee Began Increasing Power But Encountered Vibration Problems on Two Main Steam Lines20 January 1988PNO-III-88-003:on 880115,regional Administrator Authorized Licensee to Exceed 75% for First Time & Proceed Up to 100% Power.On 880116,licensee Began Increasing Power But Encountered Vibration Problems on Two Main Steam Lines
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