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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-87-101, 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-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
PNO-III-88-014, on 880226,portion of Automatic Start Circuitry for Plant Four Diesel Generators Not Fully Tested. Unusual Event Classification Terminated on 880227 Following Manual Reactor Scram.Maint & Testing Outage Begun29 February 1988PNO-III-88-014:on 880226,portion of Automatic Start Circuitry for Plant Four Diesel Generators Not Fully Tested. Unusual Event Classification Terminated on 880227 Following Manual Reactor Scram.Maint & Testing Outage Begun
PNO-III-88-019, on 880306,weapon Incident Involving Security Guard Occurred When During Verbal Confrontation One Security Guard Pointed Handgun at Second Guard.Individual Suspended & State of Mi Notified10 March 1988PNO-III-88-019:on 880306,weapon Incident Involving Security Guard Occurred When During Verbal Confrontation One Security Guard Pointed Handgun at Second Guard.Individual Suspended & State of Mi Notified
PNO-III-88-022, on 880318,received Bomb Threat Possibly Originating on Site.Site Access Restricted to Essential Personnel & Search of Facility Begun.No Explosive Devices Found & No Explosions Occurred.Investigation Continuing18 March 1988PNO-III-88-022:on 880318,received Bomb Threat Possibly Originating on Site.Site Access Restricted to Essential Personnel & Search of Facility Begun.No Explosive Devices Found & No Explosions Occurred.Investigation Continuing
PNO-III-88-052, on 880528,water Hammer in RWCU Sys Damaged Fitting on 5/8 Inch Instrument Line & Caused Leak of Steam & Water Into RWCU Sys Pump Room.Caused by Water Hammer. Instrument Line Repaired1 June 1988PNO-III-88-052:on 880528,water Hammer in RWCU Sys Damaged Fitting on 5/8 Inch Instrument Line & Caused Leak of Steam & Water Into RWCU Sys Pump Room.Caused by Water Hammer. Instrument Line Repaired
PNO-III-88-064, on 880713,pressure Transient in RWCU Sys Caused Compression Fitting on Instrument Line to Separate, Releasing Water & Steam Contaminated W/Radioactivity in Reactor Bldg.Caused by Failed Fitting.Damaged Line Isolated15 July 1988PNO-III-88-064:on 880713,pressure Transient in RWCU Sys Caused Compression Fitting on Instrument Line to Separate, Releasing Water & Steam Contaminated W/Radioactivity in Reactor Bldg.Caused by Failed Fitting.Damaged Line Isolated
PNO-III-88-065, on 880723,unidentified Drywell Leakage Forces Shutdown.Leakage Believed Coming from RCIC Inboard Steam Isolation Valve & Two Valves in Reactor Water Cleanup Sys. Repairs,Maint & Insp Activities Planned25 July 1988PNO-III-88-065:on 880723,unidentified Drywell Leakage Forces Shutdown.Leakage Believed Coming from RCIC Inboard Steam Isolation Valve & Two Valves in Reactor Water Cleanup Sys. Repairs,Maint & Insp Activities Planned
PNO-III-88-071, on 880809,brick Thrown Through Windshield of Contractor Vehicle & Driver Assaulted by Picketers.Incident Being Investigated by Monroe County Sheriff Dept.State Will Be Informed9 August 1988PNO-III-88-071:on 880809,brick Thrown Through Windshield of Contractor Vehicle & Driver Assaulted by Picketers.Incident Being Investigated by Monroe County Sheriff Dept.State Will Be Informed
PNO-III-89-028, on 890417,fire Occurred in Ofc Switchgear in Room in Bldg within Plant Protected Area.Fire Extinguished. Local Fire Marshall Investigating Incident & Extent of Damage18 April 1989PNO-III-89-028:on 890417,fire Occurred in Ofc Switchgear in Room in Bldg within Plant Protected Area.Fire Extinguished. Local Fire Marshall Investigating Incident & Extent of Damage
PNO-III-89-063, on 890922,picketers Protested Licensee Use of Nonbldg Trade Union Personnel to Perform Insp & Maint Work During Outage by Disrupting Outage Contractor Traffic from Entering Gate.Two Arrests Made by County Sheriff Dept22 September 1989PNO-III-89-063:on 890922,picketers Protested Licensee Use of Nonbldg Trade Union Personnel to Perform Insp & Maint Work During Outage by Disrupting Outage Contractor Traffic from Entering Gate.Two Arrests Made by County Sheriff Dept
PNO-III-90-026, on 900410,reactor Scrammed When Inboard MSIVs Began to Drift Shut Because of Loss of Pressure in Containment Pneumatic Nitrogen Sys10 April 1990PNO-III-90-026:on 900410,reactor Scrammed When Inboard MSIVs Began to Drift Shut Because of Loss of Pressure in Containment Pneumatic Nitrogen Sys
PNO-III-90-040, on 900620,positive Result from Drug Test Administered to Reactor Operator Reported During Routine Annual Physical Exam.Individual Unescorted Site Access Terminated & Referred to Employee Assistance Program21 June 1990PNO-III-90-040:on 900620,positive Result from Drug Test Administered to Reactor Operator Reported During Routine Annual Physical Exam.Individual Unescorted Site Access Terminated & Referred to Employee Assistance Program
PNO-III-90-072, on 901018,engineer Killed During Testing on Reactor Bldg Supply Fan.Investigation Continuing19 October 1990PNO-III-90-072:on 901018,engineer Killed During Testing on Reactor Bldg Supply Fan.Investigation Continuing
PNO-III-93-069A, on 931228,Region III Issued CAL to Licensee Documenting Licensee Agreement to Submit Investigation Plan to NRC for Review Re Update of Extended Shutdown of Facility Due to Failure of low-pressure Turbine30 December 1993PNO-III-93-069A on 931228,Region III Issued CAL to Licensee Documenting Licensee Agreement to Submit Investigation Plan to NRC for Review Re Update of Extended Shutdown of Facility Due to Failure of low-pressure Turbine
PNO-III-94-010, on 940216,licensee Announced Plan to Release Up to 1.5 Million Gals of Slightly Contaminated Water from Plant.Water Associated w/931225 Turbine Accident at Plant16 February 1994PNO-III-94-010:on 940216,licensee Announced Plan to Release Up to 1.5 Million Gals of Slightly Contaminated Water from Plant.Water Associated w/931225 Turbine Accident at Plant
PNO-III-94-078, on 941002,planned anti-nuclear Demonstration Held on Public Highways at Road Intersections Leading to Access Roads & owner-controlled Area Gates to Plant.Media Covered Event.State of Mi Informed3 October 1994PNO-III-94-078:on 941002,planned anti-nuclear Demonstration Held on Public Highways at Road Intersections Leading to Access Roads & owner-controlled Area Gates to Plant.Media Covered Event.State of Mi Informed
PNO-III-94-090, on 941219,reactor Operators Began Startup of Plant 2 Reactor Following Recovery from Turbine Generator Failure & Fire on 93122520 December 1994PNO-III-94-090:on 941219,reactor Operators Began Startup of Plant 2 Reactor Following Recovery from Turbine Generator Failure & Fire on 931225Shutdown Margin
PNO-III-98-015, on 980201,reactor Scrammed from 96% Power Following Trip of Main Turbine.Main Turbine Trip Resulted from Main Generator Load Rejection Protective Signal. Investigation Continuing4 February 1998PNO-III-98-015:on 980201,reactor Scrammed from 96% Power Following Trip of Main Turbine.Main Turbine Trip Resulted from Main Generator Load Rejection Protective Signal. Investigation Continuing
PNO-III-98-048, on 981008,Detroit Edison Declared Alert Based on Operator Rept of Smoke & Fire Alarm Coming from EDG 12 Control Panel in Switchgear Room.Operator Tripped EDG 12, Opened Output Breaker & Left Switchgear Room21 October 1998PNO-III-98-048:on 981008,Detroit Edison Declared Alert Based on Operator Rept of Smoke & Fire Alarm Coming from EDG 12 Control Panel in Switchgear Room.Operator Tripped EDG 12, Opened Output Breaker & Left Switchgear RoomSafe Shutdown
PNO-III-98-055, on 981113,licensee Shut Unit Down to Repair Steam Leak from Reactor Feedwater Check Valve.Valve Is SR & Would Provide Containment Isolation Function Under Accident Conditions13 November 1998PNO-III-98-055:on 981113,licensee Shut Unit Down to Repair Steam Leak from Reactor Feedwater Check Valve.Valve Is SR & Would Provide Containment Isolation Function Under Accident Conditions
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