Semantic search
Jump to navigation
Jump to search
| 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-99-035, on 990724,Calvert Cliffs,Unit 1 Automatically Shutdown from 100% Power.All Control Rods Fully Inserted & All Safety Equipment Operated as Designed During & Following Shutdown.Licensee Plans to Replace a Phase Bushing | 26 July 1999 | PNO-I-99-035:on 990724,Calvert Cliffs,Unit 1 Automatically Shutdown from 100% Power.All Control Rods Fully Inserted & All Safety Equipment Operated as Designed During & Following Shutdown.Licensee Plans to Replace a Phase Bushing | |
| PNO-I-98-032, on 980723,Calvert Cliffs Unit 2 Small Steam Vent Line Break Occurred.Initially Steam Vent Line Break Was Not Isolated Due to Presence of Steam in Location of Break. Licensee Does Not Plan to Make Press Release | 24 July 1998 | PNO-I-98-032:on 980723,Calvert Cliffs Unit 2 Small Steam Vent Line Break Occurred.Initially Steam Vent Line Break Was Not Isolated Due to Presence of Steam in Location of Break. Licensee Does Not Plan to Make Press Release | |
| PNO-I-98-011, on 980404,contracted Worker Fatality Occurred. Bg&E first-aid Team Responded to Scene & Administered cardio-pulmonary Resuscitation.Individual Transported to Hosp & Declared dead-on-arrival | 6 April 1998 | PNO-I-98-011:on 980404,contracted Worker Fatality Occurred. Bg&E first-aid Team Responded to Scene & Administered cardio-pulmonary Resuscitation.Individual Transported to Hosp & Declared dead-on-arrival | Fatality |
| PNO-I-97-057, on 970912,outage Exceeding 72 H Planned,Due to Replacement of Seal in 11B Reactor Coolant Pump.Shutdown Scheduled for Seven Days.Nrc Resident Staff Is Following Outage & Monitoring Licensee Activities | 12 September 1997 | PNO-I-97-057:on 970912,outage Exceeding 72 H Planned,Due to Replacement of Seal in 11B Reactor Coolant Pump.Shutdown Scheduled for Seven Days.Nrc Resident Staff Is Following Outage & Monitoring Licensee Activities | |
| PNO-I-97-032, on 970529,BG&E Declared Unusual Event Due to RCS Leakage in Excess of TS Limits,Requiring Unit Shutdown. Bg&E Conducting Investigation of Event.Containment Damage Assessment & Cleanup Initiated.State of MD Notified | 30 May 1997 | PNO-I-97-032:on 970529,BG&E Declared Unusual Event Due to RCS Leakage in Excess of TS Limits,Requiring Unit Shutdown. Bg&E Conducting Investigation of Event.Containment Damage Assessment & Cleanup Initiated.State of MD Notified | |
| PNO-I-93-071, on 931221,first Two Dry Storage Canisters Loaded Into Independent Spent Fuel Storage Facility May Not Have Been Dried to Vacuum Required by Ts.Util Currently Conducting Investigation of Issue | 22 December 1993 | PNO-I-93-071:on 931221,first Two Dry Storage Canisters Loaded Into Independent Spent Fuel Storage Facility May Not Have Been Dried to Vacuum Required by Ts.Util Currently Conducting Investigation of Issue | |
| PNO-I-90-075, on 900830,inadvertent Reactor Vessel Partial Drain Occurred While Establishing Plant for Reactor Coolant Pump Seal Repair.Drain Evolution Secured.No Further Abnormal Conditions Noted.State of MD Informed | 31 August 1990 | PNO-I-90-075:on 900830,inadvertent Reactor Vessel Partial Drain Occurred While Establishing Plant for Reactor Coolant Pump Seal Repair.Drain Evolution Secured.No Further Abnormal Conditions Noted.State of MD Informed | |
| ML20248G128 | 27 September 1989 | PNS-I-89-016:on 890927,plant Security Shift Supervisor Arrested & Charged W/Theft of Safe Containing $500 Between 890106-09.Safe Found Empty in Wooded Area.Plant Access Revoked.State of MD Notified | |
| PNO-I-89-038, on 890525,confirmatory Action Ltr Issued, Confirming Licensee Commitment to Maintain Units in Shutdown Condition Until Matl Conditions Re Unit 2 Pressurizer Penetrations Resolved & Weaknesses Re Procedures Corrected | 25 May 1989 | PNO-I-89-038 on 890525,confirmatory Action Ltr Issued, Confirming Licensee Commitment to Maintain Units in Shutdown Condition Until Matl Conditions Re Unit 2 Pressurizer Penetrations Resolved & Weaknesses Re Procedures Corrected | |
| PNO-I-89-004, on 890410,employee Reporting for Work at Plant Set Off Metal Detector Alarm When Passing Through Access Control Point.Caused by Handgun Employee Possessed.Handgun Presently Being Checked for Proper Licensing & Registration | 10 April 1989 | PNO-I-89-004:on 890410,employee Reporting for Work at Plant Set Off Metal Detector Alarm When Passing Through Access Control Point.Caused by Handgun Employee Possessed.Handgun Presently Being Checked for Proper Licensing & Registration | |
| PNO-I-88-095, on 880915,licensee Employee Died from Apparent Anoxia or Drowning.Victim Jumped Into Condensate Storage Tank in Efforts to Assist Diver Fallen from Internal Ladder Before Having Donned Breathing Apparatus | 15 September 1988 | PNO-I-88-095:on 880915,licensee Employee Died from Apparent Anoxia or Drowning.Victim Jumped Into Condensate Storage Tank in Efforts to Assist Diver Fallen from Internal Ladder Before Having Donned Breathing Apparatus | |
| PNO-I-88-016, on 880201,fire in Annunciator Panel,Located in Cable Spreading Room,Caused Loss of All Control Room Annunciators.All Emergency Sys Remained Functional During Event.Cause Not Determined.Troubleshooting in Progress | 2 February 1988 | PNO-I-88-016:on 880201,fire in Annunciator Panel,Located in Cable Spreading Room,Caused Loss of All Control Room Annunciators.All Emergency Sys Remained Functional During Event.Cause Not Determined.Troubleshooting in Progress | |
| PNO-I-87-118, on 871221,reactor Tripped Due to Loss of Load. Caused by Opening of Generator Output Breaker Due to Ground Fault on Permanent Magnet Generator (PMG) Stator Winding. Replacement Pgm Will Be Procured | 22 December 1987 | PNO-I-87-118:on 871221,reactor Tripped Due to Loss of Load. Caused by Opening of Generator Output Breaker Due to Ground Fault on Permanent Magnet Generator (PMG) Stator Winding. Replacement Pgm Will Be Procured | |
| PNO-I-87-102, on 871105,licensee Commenced Shutdown as Result of Degraded Conditions in Both steam-driven Auxiliary Feedwater Pumps.Duration of Shutdown to Restore Both Pumps to Operable Condition Unknown | 5 November 1987 | PNO-I-87-102:on 871105,licensee Commenced Shutdown as Result of Degraded Conditions in Both steam-driven Auxiliary Feedwater Pumps.Duration of Shutdown to Restore Both Pumps to Operable Condition Unknown | |
| PNO-I-87-067, on 870723,util Declared Alert at Facility Due to Total Loss of Offsite Power.Both Plants Shut Down from 100% Power.Offsite Power Partially Restored & Plants Stable. NRC Monitoring Plant Conditions & Activities.State Informed | 23 July 1987 | PNO-I-87-067:on 870723,util Declared Alert at Facility Due to Total Loss of Offsite Power.Both Plants Shut Down from 100% Power.Offsite Power Partially Restored & Plants Stable. NRC Monitoring Plant Conditions & Activities.State Informed | |
| PNO-I-87-035, on 870423,replacement Items Which May Not Meet ASME Boiler & Pressure Vessel Code Requirements Used in Section Iii,Class 1,2 & 3 Components.Licensee Committed to Maintain Unit 1 in Cold Shutdown Until Issued Resolved | 24 April 1987 | PNO-I-87-035:on 870423,replacement Items Which May Not Meet ASME Boiler & Pressure Vessel Code Requirements Used in Section Iii,Class 1,2 & 3 Components.Licensee Committed to Maintain Unit 1 in Cold Shutdown Until Issued Resolved | Nondestructive Examination |
| PNO-I-87-027, on 870401,licensee Reported Having Commenced Shutdown to Mode 5.Caused by Uncertainty Re Overall Status of Plant Environ Qualification Following Region I Specialist Insp Finding 20 Unacceptable & 7 Questionable Splices | 1 April 1987 | PNO-I-87-027:on 870401,licensee Reported Having Commenced Shutdown to Mode 5.Caused by Uncertainty Re Overall Status of Plant Environ Qualification Following Region I Specialist Insp Finding 20 Unacceptable & 7 Questionable Splices | |
| PNO-I-87-019, on 870310,RCS Quench Tank Rupture Disc Experienced Apparent Rupture.Unit Placed in Cold Shutdown to Repair Code Safety Valve & Quench Tank Which Should Take 5 Days | 10 March 1987 | PNO-I-87-019:on 870310,RCS Quench Tank Rupture Disc Experienced Apparent Rupture.Unit Placed in Cold Shutdown to Repair Code Safety Valve & Quench Tank Which Should Take 5 Days | |
| ML20211F303 | 18 February 1987 | PNS-I-87-002:on 870218,control Room Operator Received Telephone Bomb Treat.Site Security Notified & Search Procedures Implemented.State Police Notified & Responded to Site.Nothing Suspicious Found | |
| ML20211L556 | 10 December 1986 | PNS-I-86-023:on 861210,discovered 2 1/2 Ft Long cylinder,6 Inches in Diameter Marked Tnt on Floor of Mens Locker Room.Site Security Notified,Contingency Procedures Initiated & Bldg Evacuated.Canisters Empty & Removed for Exam | |
| PNO-I-85-076, on 851009,reactor Shut Down After Unsuccessful Attempt to Identify Cause of 1.5 Gpm Leak from Reactor Coolant Pump 11A Controlled Bleed Off Line.Caused by Cracked Weld | 10 October 1985 | PNO-I-85-076:on 851009,reactor Shut Down After Unsuccessful Attempt to Identify Cause of 1.5 Gpm Leak from Reactor Coolant Pump 11A Controlled Bleed Off Line.Caused by Cracked Weld | |
| ML20198B427 | 29 July 1982 | PNS-I-82-006:on 820728,RO Discovered Message Scratched on Door of Rest Room Stall Indicating Bomb Present.Restroom & Surrounding Areas Searched.No Bomb Found.State Police & FBI Notified | |
| PNO-I-82-048, on 820701,unit Will Be Shut Down for 3 Days to Repair back0eakage Through Check Valve Between Common Safety Injection Header & Safety Injection Tank 11A | 1 July 1982 | PNO-I-82-048:on 820701,unit Will Be Shut Down for 3 Days to Repair back0eakage Through Check Valve Between Common Safety Injection Header & Safety Injection Tank 11A | |
| PNO-I-82-045, on 820618,rept Submitted to Resident Inspector of Apparently Falsified Records of Composition Analysis of Sample Burnable Poison Pellets.Failure to Analyze Pellets Discovered During 820614-18 Audit | 21 June 1982 | PNO-I-82-045:on 820618,rept Submitted to Resident Inspector of Apparently Falsified Records of Composition Analysis of Sample Burnable Poison Pellets.Failure to Analyze Pellets Discovered During 820614-18 Audit | |
| PNO-I-80-025A, on 800211,40.5 Ci Xe-133 Released Representing 37% Tech Spec for Instantaneous Release.On 800212 Local Emergency Declared in Auxiliary Bldg Again Due to Ion Exchanger.No Release Evident | 13 February 1980 | PNO-I-80-025A:on 800211,40.5 Ci Xe-133 Released Representing 37% Tech Spec for Instantaneous Release.On 800212 Local Emergency Declared in Auxiliary Bldg Again Due to Ion Exchanger.No Release Evident | |
| ML20249A097 | 24 January 1978 | PNO-78-012:on 780122,unidentified RCS Leakage Was Determined to Be 2 Gpm,Which Exceeded Allowable 1.0 Gpm TS Limit. Leakage Could Not Be Corrected or Positively Identified within Time Period Allowed by Ts.State of MD Informed | |
| ML20151U496 | 14 March 1977 | PNO-77-041:on 770312,RCS Pressure Increased When RCP Was Started to Flush SG Section of RCS & Warm Water Was Flushed Out of SGs & Mixed W/Water,Already Hot.Licensee Analysis Indicated No Damage.Press Release Not Planned | |
| ML20236K940 | 3 February 1977 | PNO-77-021:during Facility First Refueling Outage in in Progress,Visual Exam of 11 Fuel Assemblies Revealed Blisters on Some Poison Pins.Blisters Appear to Be Caused by Hydriding & Some Appear to Be Perforated | |
| ML20236J712 | 13 December 1976 | PNS-76-067:on 761210,bomb Threat Received by Phone.Caller Stated That He Was Going to Bomb Bg&E Co & Plants.Security Forces at Plant Were Alerted & Addl Security Vigilance Exercised.Fbi & Police Notified | |
| ML20236F079 | 1 December 1976 | PNO-76-203:on 761130,initial Criticality Was Achieved.Media Interest Expected Due to Licensee Plans to Inform Them.Press Release Not Planned by Region I | |
| ML20249B480 | 23 July 1976 | PNO-76-128:on 760721,fish Impingement Rates on Order of Tens of Thousands Were Reported for Time Period 0300 to 0600 Hours.Licensee Gathering Data Re Total Numbers of Fish & Extent of Dissolved Oxygen Problem.State Informed | |
| ML20236X072 | 26 November 1975 | PN-75-138:Prince Hassan of Jordan Will Visit Calvert Cliffs Site to Observe Reactor in Operation & Under Construction. Visit Arranged by Dept of State.No Publicity Wanted by State Dept.Prince Security Agents Will Carry Weapons at All Times | |
| ML20236V084 | 17 October 1975 | PN-75-108:on 751015,Globe Security Guard Found Gate on 27' Elevation of Auxiliary Bldg Opened by Removal of Hinge Pin. Licensee Investigating | |
| ML20236U902 | 10 October 1975 | PN-75-104:investigation Initiated After Press Release Made by United States Attorney for District of Maryland.One Individual Informed of Info Re Safety of Nuclear Plant. Interview Proved That Facts Distorted | |
| ML20236U904 | 24 September 1975 | PN-75-095:on 750924,individual Cut Little Finger of Right Hand While Working Inside Controlled Area Auxiliary Bldg. Three Fingers of Hand Were Contaminated.Fingers Were Successfully Decontaminated | |
| ML20236T958 | 1 July 1975 | PN-75-043:airborne Mist Has Been Sprayed from Packing of Unit 1 Reactor Coolant Charging Pump Into Auxiliary Bldg for Plant,Units 1 & 2.Extent of Contamination/Exposure Not Yet Known | |
| ML20236U323 | 13 May 1975 | PN-75-022:on 750512,feedwater Sys Experienced Three Cases of Water Hammer.Plant May Be Down for at Least Several Days. State of MD Informed | |
| ML20236U333 | 12 May 1975 | PN-75-021:on 750510,required Main Generator Trip Test from 100% Power Was Conducted.Two of Four Steam Bypass Valves Stuck Open.State of MD Informed |