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| Issue date | Title | Topic | |
|---|---|---|---|
| PNO-I-99-043, on 990916,Hurricane Floyd Was Approaching Ccnpp,Sgs,Hcgs & Ocnpp.Hurricane Was Centered at Latitude 36.0 North & Longitude 76.6 West & Moving north-northeast at Approx 25 Mph.Plants Remain at Power | 16 September 1999 | PNO-I-99-043:on 990916,Hurricane Floyd Was Approaching Ccnpp,Sgs,Hcgs & Ocnpp.Hurricane Was Centered at Latitude 36.0 North & Longitude 76.6 West & Moving north-northeast at Approx 25 Mph.Plants Remain at Power | |
| PNO-I-98-057, on 981130,util Commenced Shutdown of Salem Unit 2 to Repair 21 RCP Seal.Resident Inspectors Observed Portions of Plant Shutdown & Plan to Observe Continuing Maint Activities on RCP Seal | 1 December 1998 | PNO-I-98-057:on 981130,util Commenced Shutdown of Salem Unit 2 to Repair 21 RCP Seal.Resident Inspectors Observed Portions of Plant Shutdown & Plan to Observe Continuing Maint Activities on RCP Seal | |
| PNO-I-93-068, on 931203,ALCO Emergency Diesel Generator Cylinder Cracking Discovered.Health Physics Technician Noticed Coolant Leaking from Number 3 Cylinder Sleeve on Right Bank of Cylinders (3R) | 7 December 1993 | PNO-I-93-068:on 931203,ALCO Emergency Diesel Generator Cylinder Cracking Discovered.Health Physics Technician Noticed Coolant Leaking from Number 3 Cylinder Sleeve on Right Bank of Cylinders (3R) | |
| PNO-I-93-062, on 931112,informed That Current 30-day Contract Extension W/United Govt Security Officers of America Will Expire on 931115.Licensee Indicated That They Have Adequate Personnel Trained & Available to Satisfy Security Plan | 12 November 1993 | PNO-I-93-062:on 931112,informed That Current 30-day Contract Extension W/United Govt Security Officers of America Will Expire on 931115.Licensee Indicated That They Have Adequate Personnel Trained & Available to Satisfy Security Plan | |
| PNO-I-93-060, on 931102,fire Reported in 230 Volt Lighting Transformer in Turbine Bldg.Caused by Loose Electrical Connection.State of Nj Has Been Notified | 3 November 1993 | PNO-I-93-060:on 931102,fire Reported in 230 Volt Lighting Transformer in Turbine Bldg.Caused by Loose Electrical Connection.State of Nj Has Been Notified | |
| PNO-I-92-075, upon Investigation of Alarm Printed Out on Auxiliary Typewriter on 921213,operators Determined That Cpu for Overhead Annunciator (Oha) Had Failed to Perform, Resulting in Loss of Oha Sys for 1 H & 41 Minutes | 15 December 1992 | PNO-I-92-075:upon Investigation of Alarm Printed Out on Auxiliary Typewriter on 921213,operators Determined That Cpu for Overhead Annunciator (Oha) Had Failed to Perform, Resulting in Loss of Oha Sys for 1 H & 41 Minutes | Time of Discovery |
| PNO-I-90-056, on 900722,potential Design Deficiency in Main Steam Isolation Sys Noted.Units Shut Down Until Final Analysis & Appropriate Corrective Actions Completed | 23 July 1990 | PNO-I-90-056:on 900722,potential Design Deficiency in Main Steam Isolation Sys Noted.Units Shut Down Until Final Analysis & Appropriate Corrective Actions Completed | |
| PNO-I-88-020, on 880216,CA Mcneill Named Executive Director - Nuclear W/Responsibility of Directing Nuclear Operations, Including Nuclear Dept Reorganization & Restart Efforts of Peach Bottom | 16 February 1988 | PNO-I-88-020:on 880216,CA Mcneill Named Executive Director - Nuclear W/Responsibility of Directing Nuclear Operations, Including Nuclear Dept Reorganization & Restart Efforts of Peach Bottom | |
| ML20217F854 | 27 October 1987 | PNS-I-87-017:on 871026,fireman Received Call of Bomb Threat at Plant.Search of Facility Proved Negative | |
| PNO-I-87-099, on 871023,licensee Notified Region I of Addl Uncertainties in Onsite Electrical Distribution Sys Design W/Potential for Breaker Coordination Problems.Unit Shutdown Commenced on 871023.Analysis Underway | 26 October 1987 | PNO-I-87-099:on 871023,licensee Notified Region I of Addl Uncertainties in Onsite Electrical Distribution Sys Design W/Potential for Breaker Coordination Problems.Unit Shutdown Commenced on 871023.Analysis Underway | |
| PNO-I-87-075A, on 870812,visual Insp Identified No Significant Corrosion of Reactor Vessel Studs After Finding Leak on 870807.Further Insp of Degraded Vessel Components Will Be Formalized After Cleaning Affected Areas | 13 August 1987 | PNO-I-87-075A:on 870812,visual Insp Identified No Significant Corrosion of Reactor Vessel Studs After Finding Leak on 870807.Further Insp of Degraded Vessel Components Will Be Formalized After Cleaning Affected Areas | Boric Acid |
| PNO-I-87-060, on 870703,unit Removed from Svc to Make Repairs to Low Pressure Turbines 21 & 22.Unit Being Maintained in Hot Shutdown.Licensee Expects to Complete Turbine Gasket Repairs within 14 Days | 6 July 1987 | PNO-I-87-060:on 870703,unit Removed from Svc to Make Repairs to Low Pressure Turbines 21 & 22.Unit Being Maintained in Hot Shutdown.Licensee Expects to Complete Turbine Gasket Repairs within 14 Days | |
| PNO-I-87-059, on 870626,operators Received High Vibration Alarm on Bearing 6 of Low Pressure Turbine 22.Bearing Vibration Increased & High Pitched Noise Discovered.Licensee Elected to Remove Unit from Svc | 26 June 1987 | PNO-I-87-059:on 870626,operators Received High Vibration Alarm on Bearing 6 of Low Pressure Turbine 22.Bearing Vibration Increased & High Pitched Noise Discovered.Licensee Elected to Remove Unit from Svc | |
| PNO-I-87-038, on 870429,licensee Learned That Control Room Operator Tested Positive for Use of Controlled Substance. Employee Will Be Terminated.Individual Acceptance Into Rehabilitation Program Under Consideration | 29 April 1987 | PNO-I-87-038:on 870429,licensee Learned That Control Room Operator Tested Positive for Use of Controlled Substance. Employee Will Be Terminated.Individual Acceptance Into Rehabilitation Program Under Consideration | |
| PNO-I-86-075, on 860916,operators Removed Unit 1 from Svc to Repair Steam Leak on High Pressure Turbine Steam Return Line.Leak Caused by Steam Erosion on Section of 20-inch Pipe.Affected Section of Pipe Replaced | 18 September 1986 | PNO-I-86-075:on 860916,operators Removed Unit 1 from Svc to Repair Steam Leak on High Pressure Turbine Steam Return Line.Leak Caused by Steam Erosion on Section of 20-inch Pipe.Affected Section of Pipe Replaced | |
| PNO-I-86-073, on 860911,Unit 2 Tripped from 75% Power.Caused by Loss of Reactor Coolant Pumps 22 & 23 Due to Deenergization of Two Nonvital Buses.Unit Entered Cold Shutdown on 860913.Repair Completion Expected by 860920 | 15 September 1986 | PNO-I-86-073:on 860911,Unit 2 Tripped from 75% Power.Caused by Loss of Reactor Coolant Pumps 22 & 23 Due to Deenergization of Two Nonvital Buses.Unit Entered Cold Shutdown on 860913.Repair Completion Expected by 860920 | |
| PNO-I-86-066, on 860826,turbine Trip/Reactor Trip & Safety Injection Occurred During Troubleshooting on Steam Generator Level Indicator 22.Natural Circulation Established & Third Vital Bus & Nonvital Loads Reenergized | 26 August 1986 | PNO-I-86-066:on 860826,turbine Trip/Reactor Trip & Safety Injection Occurred During Troubleshooting on Steam Generator Level Indicator 22.Natural Circulation Established & Third Vital Bus & Nonvital Loads Reenergized | |
| PNO-I-86-061, on 860806,equipment Qualification Discrepancy Identified W/Field Wiring within Limitorque Valve Operators in Containments.Both Units Shut Down to Replace Questionable Wires W/Qualified Wires | 7 August 1986 | PNO-I-86-061:on 860806,equipment Qualification Discrepancy Identified W/Field Wiring within Limitorque Valve Operators in Containments.Both Units Shut Down to Replace Questionable Wires W/Qualified Wires | |
| PNO-I-86-054, on 860721,licensee Initiated Normal Shutdown from 100% Power to Inspect & Correct Main Generator Hydrogen Leak Into Stator Cooling Water Sys.Completion of Insp & Repairs Expected in Approx 7 Days | 21 July 1986 | PNO-I-86-054:on 860721,licensee Initiated Normal Shutdown from 100% Power to Inspect & Correct Main Generator Hydrogen Leak Into Stator Cooling Water Sys.Completion of Insp & Repairs Expected in Approx 7 Days | |
| PNO-I-85-075, on 851006,plant Tripped.Caused by Condensation in Condenser Vacuum Sensing Line Reaching Sensor Causing Turbine Trip W/Automatic Reactor Trip.Plant in Cold Shutdown for Maint & Mod to Condenser | 7 October 1985 | PNO-I-85-075:on 851006,plant Tripped.Caused by Condensation in Condenser Vacuum Sensing Line Reaching Sensor Causing Turbine Trip W/Automatic Reactor Trip.Plant in Cold Shutdown for Maint & Mod to Condenser | |
| PNO-I-85-071A, on 850927,Hurricane Gloria Located at Northampton,Ma Moving in Northeasterly Direction.Status Downgrade to Tropical Storm Expected Early Evening on 850927.Salem Unit 1 & Millstone Complex Suffered Damage | 27 September 1985 | PNO-I-85-071A:on 850927,Hurricane Gloria Located at Northampton,Ma Moving in Northeasterly Direction.Status Downgrade to Tropical Storm Expected Early Evening on 850927.Salem Unit 1 & Millstone Complex Suffered Damage | High winds |
| PNO-I-85-044, on 850628,RCS Water Inventory Balance Indicated Unidentified Leak Rate Increased from 0.72 Gpm (Tech Spec Limit Is 1.0 Gpm) on 850627 & Steam Observed Leaking from Inlet Flange of Pressurizer Relief Valve PR-4 | 28 June 1985 | PNO-I-85-044:on 850628,RCS Water Inventory Balance Indicated Unidentified Leak Rate Increased from 0.72 Gpm (Tech Spec Limit Is 1.0 Gpm) on 850627 & Steam Observed Leaking from Inlet Flange of Pressurizer Relief Valve PR-4 | |
| PNO-IV-84-007A, on 840529,health Physicist Responded to Accident Site Located About 30 Miles East of Rock Springs,Wy on Interstate Highway 80.Shipping Containers Were Found to Be Intact W/No Detectable Leakage | 31 May 1984 | PNO-IV-84-007A:on 840529,health Physicist Responded to Accident Site Located About 30 Miles East of Rock Springs,Wy on Interstate Highway 80.Shipping Containers Were Found to Be Intact W/No Detectable Leakage | |
| ML20198B365 | 21 October 1982 | PNS-I-82-013:on 821020,employee at Plant Site Attempted Suicide at His Home Using Own .38 Caliber Handgun.Suicide Attempt Left Employee in Critical Condition as Result of Gunshot Wound to Head | |
| ML20216J775 | 23 October 1978 | PNO-78-180:on 781021,during Plant Startup,Shaft Seal on Number 13 RCP Failed.No Radioactivity Released in Environ. Exam & Repairs of RCP Seal in-progress.Plant Will Remain Shut Down for Estimated 3-5 Days | |
| ML20216J870 | 3 August 1978 | PNO-78-139:on 780802,while Operating Unit 1 Waste Evaporator & Discharging Evaporator Bottoms to Evaporator Bottoms Storage Tank,Leak Occurred in Connecting,Schedule 10,SS Piping | |
| ML20248L061 | 13 April 1978 | PNO-78-080:on 780413,during Conduct of Emergency Drill,Which Involved Simulated Explosion,Simulated Injury to Workers & Actual Transport of Workers to Hosp,News Media Incorrectly Assumed Actual Event Occurred | |
| ML20249A736 | 13 April 1978 | PNS-78-017:on 780413,member of Security Organization Received Telephone Call from an Unidentified Person Stating That Bomb Is in Const Site.Const Areas Were Evacuated & Searched.State of Nj & FBI Informed | |
| ML20248L858 | 16 March 1978 | PNO-78-046:on 780316,Unit 1 Shutdown to Investigate Vibration in Main Turbine Generator.Shutdown Expected to Last Min of 3 to 4 Wks | |
| ML20249A099 | 26 January 1978 | PNO-78-015:on 780123,unit Tripped from 100% Power,Due to Control Problem in Electrohydraulic Sys.During Outage Unit Was Cooled Down to Repair Steam Leaks in Two Steam Generator Manway Covers.State of Nj Informed | |
| ML20249A045 | 12 January 1978 | PNO-78-005:on 780111,orderly Unit Shutdown Because of Debris Accumulation & Icing of Circulating Water Intake Screens. Screens cleaned,de-iced & Preparations Made for Startup.Leak in Bonnet Gasket.Unit Maintained in Cold Shutdown Condition | |
| ML20151X972 | 18 October 1977 | PNO-77-186:on 771018,welding Cables in Contact with Cable Tray Located in Auxiliary Building Shorted,Caught Fire & Caused Damage to Cable Tray.Fire Extinguished by Site Personnel.Press Release Not Planned | |
| ML20151Y123 | 11 October 1977 | PNO-77-179:on 771009,due to Erroneous Valve lineup,600 Gallons of Liquid Waste Dumped to Circulating Water Discharge Pipe Instead of Tank Truck.Unit in Outage & Circulating Water Sys Shut Down.New Jersey State Notified | |
| ML20126D190 | 12 August 1977 | PNO-77-143:Pacific Pump Co Supplied Facilities W/Production Lot of 40 Pumps Mfg Using Shafts Made of Inferior Matl. Cause Unstated.All Utils W/Pumps Were Notified.Nrc Headquarters Notified on 770812 | |
| ML20151X655 | 11 July 1977 | PNO-77-125:on 770708,plant Was Shutdown When Packing Leak Occurred on 2 Auxiliary Spray Valve Inside Containment. Leak Was Measured at 11 Gpm & 13,000 Gallons of Primary Coolant Was Released to Containment | Packing leak |
| ML20151X542 | 27 June 1977 | PNO-77-115:flashover Occurred When Planned Generator Trip Test from 100% Power Was Initiated by Manually Opening Two Generator Output Breakers.Investigation of Breaker Malfunction Will Be Made.Occurrence Was Reported on 770626 | |
| ML20151U957 | 6 June 1977 | PNO-77-097:on 770604,reactor Tripped from 100% Power on Low Flow Due to Loss of Rcp.Unit Placed in Cold Shutdown Mode. No Personnel Overexposures or Releases to Environ Occurred | |
| ML20151U128 | 13 April 1977 | PNO-77-054:on 770412,following Startup RCP (One of Four) Tripped When Power Was Lost to 4160 V Bus.Reactor Was Operated W/Three RCPs for Thirty Minutes | Shutdown Margin |
| ML20249A894 | 7 April 1977 | PNS-77-016:on 770406,Woodstown-Salem,NJ Radio Station Wjic Received Telcon from Unidentified Male Caller,Who Advised That Plant Going to Blow Baby. Threat Reported to Police Dept Who Advised Licensee.Search Produced Negative Results | |
| ML20151U393 | 24 February 1977 | PNO-77-032:on 770224,minor Radioactive Spill Occurred,When Valve line-up Error in Unit 1 Waste Holdup Sys Resulted in Floor Drain Backup.Roving Watch Found Leak & Personnel Dispatched to Correct Valve Lineup | |
| ML20236L147 | 17 January 1977 | PNO-77-011:on 770115,high Pressure Hydraulic Line on Number 12 MSIV Failed While Reactor Was Critical in Mode 2.Oil from Failed Line Sprayed on Insulation & Small Fire Resulted. Similar Line on Number 11 MSIV Failed on 770116.No Damage | |
| ML20236F309 | 30 December 1976 | PNO-76-226:on 761229,hydraulic Oil Line on 12 MSIV Severed During Attempts to Open Valve W/Reactor Critical in Startup Mode.Recovery from Inadvertent Safety Injection & Cleanup After Fire Proceeding Routinely.State of Nj Informed | |
| ML20236J677 | 22 December 1976 | PNS-76-068:on 761221,strike by Security Force Conducted. Strike Occurred Because of Dissatisfaction W/Progress of Contract Negotiation | |
| ML20236F331 | 13 December 1976 | PNO-76-213:on 761211,initial Criticality Achieved.Region I Inspectors at Site Report That Actual Plant Parameters Were in Close Agreement W/Predicted Values.Media Interest Expected Because of Significance of Milestone | |
| ML20249C801 | 2 December 1976 | PNO-76-204:on 761130 & 1201,three Inadvertent Safety Injections Occurred.Reactor in Mode 3 During Each Occurrence.State of Nj Informed |