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	Issue date	Title
PNO-I-99-011, on 990208,operators Experienced lock-up of Unit 2 Plant Monitoring Sys Computers While Performing Testing for Y2K Mod of Rod Worth Minimizer Sys.Region I Public Affairs Prepared to Respond to Media Inquiries	3 March 1999	PNO-I-99-011:on 990208,operators Experienced lock-up of Unit 2 Plant Monitoring Sys Computers While Performing Testing for Y2K Mod of Rod Worth Minimizer Sys.Region I Public Affairs Prepared to Respond to Media Inquiries
PNO-I-90-073, on 900830,licensee Identified That Reactor Vessel Level Monitoring Instruments Reading About 10 Inches Higher than Expected.Caused by Ref Leg Being Less than Completely Full.Manual Scram from Low Power Initiated	31 August 1990	PNO-I-90-073:on 900830,licensee Identified That Reactor Vessel Level Monitoring Instruments Reading About 10 Inches Higher than Expected.Caused by Ref Leg Being Less than Completely Full.Manual Scram from Low Power Initiated
PNO-I-90-058, on 900727,cooling Water Supply Valve to Offgas Recombiner Condenser Failed & Closed.Reactor Power Reduced & Manual Reactor Scram Initiated.Plant Will Remain Shutdown Pending Completion of Licensee post-event Investigation	27 July 1990	PNO-I-90-058:on 900727,cooling Water Supply Valve to Offgas Recombiner Condenser Failed & Closed.Reactor Power Reduced & Manual Reactor Scram Initiated.Plant Will Remain Shutdown Pending Completion of Licensee post-event Investigation
ML20247N007	11 September 1989	PNS-I-89-015:revised Notification of Telephone Threat, Correcting Event Date from 890909 to 890911.Call, Originating from Limerick or Peach Bottom,Received at Corporate Ofc.On 890525,threat Received at Peach Bottom
ML20246P582	30 August 1989	PNS-I-89-014:on 890829,unusual Event Declared Due to Mischievous Vandalism of Electrical Circuit Breakers.Total of 10 Breakers Found W/Cut Leads.Region I Physical Security Inspector Dispatched to Site & Press Release Issued
ML20246H591	25 August 1989	PNS-I-89-012:on 890825,3 Bomb Threats Received.Vital Areas & Administration Bldg Searched.Threat Considered Hoax.Nrc & Commonwealth of PA Informed
PNO-I-89-068, on 890804,full Power Reached & Mar 1987 Shutdown Order relaxed.Two-wk Mgt Assessment Period at steady-state 100% Power Plateau Begun,Per Restart Power Testing Program	4 August 1989	PNO-I-89-068:on 890804,full Power Reached & Mar 1987 Shutdown Order relaxed.Two-wk Mgt Assessment Period at steady-state 100% Power Plateau Begun,Per Restart Power Testing Program
PNO-I-89-060, facility Authorized to Proceed to 100% Power. Evaluation by NRC Determined to Be Satisfactory.Insp on Site Will Continue w/around-clock Coverage	21 July 1989	PNO-I-89-060:facility Authorized to Proceed to 100% Power. Evaluation by NRC Determined to Be Satisfactory.Insp on Site Will Continue w/around-clock Coverage
ML20247D442	19 July 1989	PNS-I-89-013:on 890711,trespasser Arrested by Commonwealth of PA at Plant & While Arrested Made Ref to Large Amounts of Weapons & Explosives Stored at Residence in Edgewood,Md.Explosives & Detonators Removed from Residence
PNO-I-89-052, facility Authorized to Proceed to 70% Power. Insp on Site Will Continue During Power Ascension from 35% to 70% Power & Subsequent Transient Testing	28 June 1989	PNO-I-89-052:facility Authorized to Proceed to 70% Power. Insp on Site Will Continue During Power Ascension from 35% to 70% Power & Subsequent Transient Testing
PNO-I-89-050, on 890627,confirmatory Action Ltr Issued on Util & Commonwealth of PA Agreement to Satisfy Concerns Re Restart Plan.Agreement Should Form Basis for Concluding Hearing on Util Reorganization	26 June 1989	PNO-I-89-050:on 890627,confirmatory Action Ltr Issued on Util & Commonwealth of PA Agreement to Satisfy Concerns Re Restart Plan.Agreement Should Form Basis for Concluding Hearing on Util Reorganization
ML20247H867	26 May 1989	PNS-I-89-007A:on 890525,two Vehicle Bomb Threats Received at Facility.Licensee Maintaining in-force Heightened Security Measures.Law Enforcement Agencies in Plant Vicinity & Commonwealth of PA Notified
ML20247H855	25 May 1989	PNS-I-89-007:on 890525,telephone Call Received at Util Headquarters in Philadelphia,Pa Indicating That Van Loaded W/Explosives Would Arrive at Plant.Threat Evaluated as Noncredible.Heightened Security Awareness Initiated
PNO-I-89-036, on 890519,reactor High Level Water Feed Pump Tripped.Caused by Shifting of Feedwater Level Control Sys by Reactor Operator from Single Element to Three Element Control.Water Level Recovered & Isolations Reset	19 May 1989	PNO-I-89-036:on 890519,reactor High Level Water Feed Pump Tripped.Caused by Shifting of Feedwater Level Control Sys by Reactor Operator from Single Element to Three Element Control.Water Level Recovered & Isolations Reset
PNO-I-89-034, on 890426,Unit 2 Initiated Startup After Receiving Approval to Operate at Power Levels Not Exceeding 35% Full Power.Licensee Will Be Performing Control Rod Manipulations.Addl NRC Inspectors on Site to Monitor Plant	27 April 1989	PNO-I-89-034:on 890426,Unit 2 Initiated Startup After Receiving Approval to Operate at Power Levels Not Exceeding 35% Full Power.Licensee Will Be Performing Control Rod Manipulations.Addl NRC Inspectors on Site to Monitor Plant
PNO-I-89-014, on 890227 Commonwealth of PA & Util Announced Agreement on Proposed Actions to Address Commonwealth Concerns Re Mgt & Safety at Plant & to Provide Exchange of Info W/Commonwealth for Next 8 Yrs	27 February 1989	PNO-I-89-014:on 890227 Commonwealth of PA & Util Announced Agreement on Proposed Actions to Address Commonwealth Concerns Re Mgt & Safety at Plant & to Provide Exchange of Info W/Commonwealth for Next 8 Yrs
PNO-I-88-110, on 881021,delay in Restart of Units 2 & 3 Until Second & Third Quarter 1989,respectively,to Allow Further Upgrade in Operator Training,Managerial & Supervisory Effectiveness & Plant Security	21 October 1988	PNO-I-88-110:on 881021,delay in Restart of Units 2 & 3 Until Second & Third Quarter 1989,respectively,to Allow Further Upgrade in Operator Training,Managerial & Supervisory Effectiveness & Plant Security
PNO-I-88-092, on 880901,injured Contaminated Contractor Employee Removed from Site After Falling 20 Ft from Platform.Worker Suffered Broken Wrist & Facial Cut W/ 600 Dpm Contamination.Worker Successfully Decontaminated	2 September 1988	PNO-I-88-092:on 880901,injured Contaminated Contractor Employee Removed from Site After Falling 20 Ft from Platform.Worker Suffered Broken Wrist & Facial Cut W/ 600 Dpm Contamination.Worker Successfully Decontaminated
PNO-I-88-077, on 880727,Peach Bottom co-owners Sued Philadelphia Electric Co (PECO) for Failure to Comply W/Peco Obligations Under Contract to Notify co-owners of Serious Operator Attentiveness Problems	27 July 1988	PNO-I-88-077:on 880727,Peach Bottom co-owners Sued Philadelphia Electric Co (PECO) for Failure to Comply W/Peco Obligations Under Contract to Notify co-owners of Serious Operator Attentiveness Problems
PNO-I-88-050, on 880511,FBI Made Addl Arrests of Three Licensee Employees Re Involvement in Illegal Drug Activities Prior to 1987.Followup of PNO-I-87-108	12 May 1988	PNO-I-88-050:on 880511,FBI Made Addl Arrests of Three Licensee Employees Re Involvement in Illegal Drug Activities Prior to 1987.Followup of PNO-I-87-108
PNO-I-88-042A, on 880414,updated PNO Re Alcohol Bottle Found in Control Room by Engineers Performing Inventory of Agastat Relays Inside Electrical Distribution Panel.Senior Resident Inspector Notified & Investigation Continuing	5 May 1988	PNO-I-88-042A:on 880414,updated PNO Re Alcohol Bottle Found in Control Room by Engineers Performing Inventory of Agastat Relays Inside Electrical Distribution Panel.Senior Resident Inspector Notified & Investigation Continuing
PNO-I-88-042, licensee Notified NRC That on 870414,brandy Bottle Found Inside Control Room Panel.Further Licensee Investigation Is to Include Confirmation of Bottle Contents, Check for Fingerprints & Search for Date of Liquor Seal	18 April 1988	PNO-I-88-042:licensee Notified NRC That on 870414,brandy Bottle Found Inside Control Room Panel.Further Licensee Investigation Is to Include Confirmation of Bottle Contents, Check for Fingerprints & Search for Date of Liquor Seal
PNO-I-87-108B, on 871118,FBI Arrested Six Individuals Accused of Drug Distribution at Plant.Based on Util Review of Info from trial,16 People Were Implicated.Util Terminated Four Employees & Intends to Terminate Seven Other Employees	18 March 1988	PNO-I-87-108B:on 871118,FBI Arrested Six Individuals Accused of Drug Distribution at Plant.Based on Util Review of Info from trial,16 People Were Implicated.Util Terminated Four Employees & Intends to Terminate Seven Other Employees
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
PNO-I-88-017, on 880202,util to Announce Change to Corporate Mgt,Per Highly Critical INPO Ltr.Jh Austin Will Retire as of 880301 & Jl Everett Will Assume Duties of President Until Replacement Named	2 February 1988	PNO-I-88-017:on 880202,util to Announce Change to Corporate Mgt,Per Highly Critical INPO Ltr.Jh Austin Will Retire as of 880301 & Jl Everett Will Assume Duties of President Until Replacement Named
PNO-I-87-108A, on 871118,FBI Arrested Four Licensee & Two Contractor Employees Accused of Drug Distribution at Plant & Surrounding Area.One Util & Contractor Employees Found Guilty & Remaining Two Util Defendants Suspended	20 January 1988	PNO-I-87-108A:on 871118,FBI Arrested Four Licensee & Two Contractor Employees Accused of Drug Distribution at Plant & Surrounding Area.One Util & Contractor Employees Found Guilty & Remaining Two Util Defendants Suspended
PNO-I-88-001, on 880104,realignment of Nuclear Mgt Updated. Action Provides for Corporate Officer at Each Plant to Elevate Level of Plant in Corporate Mgt Structure	4 January 1988	PNO-I-88-001:on 880104,realignment of Nuclear Mgt Updated. Action Provides for Corporate Officer at Each Plant to Elevate Level of Plant in Corporate Mgt Structure
ML20236R575	19 November 1987	PNS-I-87-019:on 871118,nonspecific Bomb Threats Received Over Plant Internal Telephone Sys.Steps to Heighten Security Awareness Among Plant & Security Supervisors Taken. Investigation Initiated by Licensee
PNO-I-87-108, on 871118,FBI Arrested 6 Individuals,Accused of Drug Distribution at Peach Bottom Power Station & Surrounding York County Area	18 November 1987	PNO-I-87-108:on 871118,FBI Arrested 6 Individuals,Accused of Drug Distribution at Peach Bottom Power Station & Surrounding York County Area
PNO-I-87-093, on 871009,util Announced Listed Changes to Corporate Nuclear Mgt to Provide for Corporate Officer at Each Plant & to Elevate Plant Level.Changes Will Be Effective on 871101.Nuclear Review Board Reconstituted	9 October 1987	PNO-I-87-093:on 871009,util Announced Listed Changes to Corporate Nuclear Mgt to Provide for Corporate Officer at Each Plant & to Elevate Plant Level.Changes Will Be Effective on 871101.Nuclear Review Board Reconstituted
PNO-I-87-057, on 870621,plant Manager Found Security Watchman Asleep at Drywell Access.Watchman Escorted Offsite by Sergeant of Guards & Employment Terminated.Licensee Investigating Incident & Residents Reviewing Actions	22 June 1987	PNO-I-87-057:on 870621,plant Manager Found Security Watchman Asleep at Drywell Access.Watchman Escorted Offsite by Sergeant of Guards & Employment Terminated.Licensee Investigating Incident & Residents Reviewing Actions
PNO-I-87-046, on 870529,security Watchman Found Asleep by Plant Auxiliary Operator & Shift Supervisor.Watchman Escorted Offsite & Employment Terminated.Licensee Investigating Incident & Residents Reviewing Actions	29 May 1987	PNO-I-87-046:on 870529,security Watchman Found Asleep by Plant Auxiliary Operator & Shift Supervisor.Watchman Escorted Offsite & Employment Terminated.Licensee Investigating Incident & Residents Reviewing Actions
PNO-I-87-042, on 870513,nonlicensed Operator Found Sleeping While on Duty During 'Z' Shift.Licensee Suspended Individual Pending Investigation.State of MD & Commonwealth of PA Informed	14 May 1987	PNO-I-87-042:on 870513,nonlicensed Operator Found Sleeping While on Duty During 'Z' Shift.Licensee Suspended Individual Pending Investigation.State of MD & Commonwealth of PA Informed
PNO-I-87-041, on 870508,util Terminated Employment of Subcontractor Hines Performing CRD Exchange Work.Caused by Poor Work Performance.Workers Escorted Offsite.Media Contacted by Worker Re 870505-08 Facial Contaminations	11 May 1987	PNO-I-87-041:on 870508,util Terminated Employment of Subcontractor Hines Performing CRD Exchange Work.Caused by Poor Work Performance.Workers Escorted Offsite.Media Contacted by Worker Re 870505-08 Facial Contaminations
PNO-I-87-040, on 870506,30 G of Suspected Marijuana Found Onsite When Substance Fell Out of Jacket of Catalytic Laborer.Caused by Employee Accidentally Bringing Substance Onsite.Employee Terminated	8 May 1987	PNO-I-87-040:on 870506,30 G of Suspected Marijuana Found Onsite When Substance Fell Out of Jacket of Catalytic Laborer.Caused by Employee Accidentally Bringing Substance Onsite.Employee Terminated
ML20205T188	1 April 1987	PNO-I-87-26A:on 870331,order Issued Suspending Power Operation Immediately.Unit 3 Began Controlled Shutdown from 100% Reactor Power.Unit 2 Currently in Scheduled Refueling Outage W/In Progress Core Offload 2/3 Complete
PNO-I-87-026, on 870331,NRC Issued Order Suspending Power Operation Effective Immediately.Unit 3 Began Controlled Shutdown from 100% Reactor Power.Unit 2 in Scheduled Refueling Outage:Core Offload in Progress & 50% Complete	31 March 1987	PNO-I-87-026:on 870331,NRC Issued Order Suspending Power Operation Effective Immediately.Unit 3 Began Controlled Shutdown from 100% Reactor Power.Unit 2 in Scheduled Refueling Outage:Core Offload in Progress & 50% Complete
PNO-I-87-024, on 870325,unit Auto Scrammed on Low Reactor Water Level When Engineer Lifted Electrohydraulic Control Lead Causing Bypass Valves to Open.Reactor Feed Pump Restarted.Water Level Recovered	25 March 1987	PNO-I-87-024:on 870325,unit Auto Scrammed on Low Reactor Water Level When Engineer Lifted Electrohydraulic Control Lead Causing Bypass Valves to Open.Reactor Feed Pump Restarted.Water Level Recovered
PNO-I-87-022, on 870317,hi-hi APRM Flux Scram & Group II & III Primary Containment Isolations Occurred.Caused by Electrohydraulic Control Sys Fluctuations.Unit in Cold Shutdown.Isolations Reset	18 March 1987	PNO-I-87-022:on 870317,hi-hi APRM Flux Scram & Group II & III Primary Containment Isolations Occurred.Caused by Electrohydraulic Control Sys Fluctuations.Unit in Cold Shutdown.Isolations Reset
PNO-I-87-018, on 870305,unit Shut Down Due to Hydrogen Leak from Main Generator.Leak Testing of Generator Identified Several Small & One Large Leak from Hydrogen Control & Analyzer Cabinet.Repairs to Generator & RHR HX in Progress	9 March 1987	PNO-I-87-018:on 870305,unit Shut Down Due to Hydrogen Leak from Main Generator.Leak Testing of Generator Identified Several Small & One Large Leak from Hydrogen Control & Analyzer Cabinet.Repairs to Generator & RHR HX in Progress