Category:LICENSEE EVENT REPORT (SEE ALSO AO RO)
MONTHYEARML20236J7911998-06-12012 June 1998
LER 98-S02-00:on 980517,first Shift Security Officer Reported Being Wounded by Unknown Subject Who Fled Area. Caused by accidental,self-inflicted Gunshot Wound.Removed Officer from Duty & Charged Officer W/Filing False Rept
05000304/LER-1998-002-05, :on 980408,failure to Maintain Sufficient Swps Operable Was Noted.Caused by Personnel Error.Disciplined Unit Supervisor for Failure to Meet Expectation to Ensure Proper Plant Configuration Prior to Proceeding W/Test1998-05-0808 May 1998
- on 980408,failure to Maintain Sufficient Swps Operable Was Noted.Caused by Personnel Error.Disciplined Unit Supervisor for Failure to Meet Expectation to Ensure Proper Plant Configuration Prior to Proceeding W/Test
05000295/LER-1997-017-01, :on 970806,TS Surveillance on Containment Isolation Valve Operability After Maint Was Missed.Caused by Personnel Error.Procedure Writer Who Failed to Identify Remaining Procedures by 1993 UFSAR Rev Has Been Counseled1998-04-10010 April 1998
- on 970806,TS Surveillance on Containment Isolation Valve Operability After Maint Was Missed.Caused by Personnel Error.Procedure Writer Who Failed to Identify Remaining Procedures by 1993 UFSAR Rev Has Been Counseled
05000295/LER-1997-018, :on 970806,failure to Recognize 125 Vdc Buses Inoperable During Unit cross-tie Prior to Sept 1996 Calculation.Caused by Inadequate TS Review Process.Revised Procedures Associated W/Station Battery Testing1998-04-10010 April 1998
- on 970806,failure to Recognize 125 Vdc Buses Inoperable During Unit cross-tie Prior to Sept 1996 Calculation.Caused by Inadequate TS Review Process.Revised Procedures Associated W/Station Battery Testing
05000304/LER-1998-001-09, :on 980223,inadvertent Closure of Containment Purge Isolation Valves & Subsequent Failure to Make Required Notifications on Time Due to Inadequate Communications & Procedural Problems Occurred.Shift Manager & RPT Counseled1998-03-25025 March 1998
- on 980223,inadvertent Closure of Containment Purge Isolation Valves & Subsequent Failure to Make Required Notifications on Time Due to Inadequate Communications & Procedural Problems Occurred.Shift Manager & RPT Counseled
05000295/LER-1997-004-01, :on 970221,reactor Was Shutdown,Per LCO 3.6.1 Due to One Inoperable Containment Spray pump.1C CS Pump Day Tank Was Drained,Flushed,Refilled w/biocide-added Fuel from Different Source1998-03-20020 March 1998
- on 970221,reactor Was Shutdown,Per LCO 3.6.1 Due to One Inoperable Containment Spray pump.1C CS Pump Day Tank Was Drained,Flushed,Refilled w/biocide-added Fuel from Different Source
05000295/LER-1997-015-01, :on 970724,Unit 1 EDGs & Unit 2 RHR Sys Was Declared Inoperable Which Resulted in Inadvertent ESF While Performing TS Related Surveillance.Caused by Unclear Expectations.Declared EDG Operable on 9707291998-03-0404 March 1998
- on 970724,Unit 1 EDGs & Unit 2 RHR Sys Was Declared Inoperable Which Resulted in Inadvertent ESF While Performing TS Related Surveillance.Caused by Unclear Expectations.Declared EDG Operable on 970729
05000295/LER-1997-005-03, :on 970221,supplement to Unapproved Mode Change W/Ts Required Equipment Inoperable Were Noted.Caused by Inadequate Planning & Briefing.Both Units Have Been Placed in Cold Shutdown W/Rcs at Atmospheric Pressure1998-03-0202 March 1998
- on 970221,supplement to Unapproved Mode Change W/Ts Required Equipment Inoperable Were Noted.Caused by Inadequate Planning & Briefing.Both Units Have Been Placed in Cold Shutdown W/Rcs at Atmospheric Pressure
05000295/LER-1997-026-02, :on 971209,Unit 1 1B DG & 1C Svc Water Pump Became Inoperable Due to Missed ESF Load Shed Verification Surveillance as Result of Scheduling Error.Caused by Improper Spec.Surveillance Testing (PT-431) Was Completed1998-01-0808 January 1998
- on 971209,Unit 1 1B DG & 1C Svc Water Pump Became Inoperable Due to Missed ESF Load Shed Verification Surveillance as Result of Scheduling Error.Caused by Improper Spec.Surveillance Testing (PT-431) Was Completed
05000304/LER-1997-008-07, :on 971122,safety Related Snubber Not in Snubber Program & Subsequently Was Not Inspected Per Ts. Cause Unknown.Procedure TSS 15.6.48 Revised to Incorporate Unit 2 Snubber1997-12-22022 December 1997
- on 971122,safety Related Snubber Not in Snubber Program & Subsequently Was Not Inspected Per Ts. Cause Unknown.Procedure TSS 15.6.48 Revised to Incorporate Unit 2 Snubber
05000304/LER-1997-009-08, :on 971202,test Relay SIX1-AX Did Not Unlatch as Required During Restoration of PT 10-3.Caused by Failure to Follow Procedures.Rewired Test Relay SIX1-AX1997-12-22022 December 1997
- on 971202,test Relay SIX1-AX Did Not Unlatch as Required During Restoration of PT 10-3.Caused by Failure to Follow Procedures.Rewired Test Relay SIX1-AX
05000295/LER-1997-025-02, :on 971124,visual Insp of Reactor Cavity Area Was Not Performed Per Ts.Caused by Inadequate Review of TSS 15.6.21 Procedure Performed in 1991.Revised TSS 15.6.21 Procedure1997-12-19019 December 1997
- on 971124,visual Insp of Reactor Cavity Area Was Not Performed Per Ts.Caused by Inadequate Review of TSS 15.6.21 Procedure Performed in 1991.Revised TSS 15.6.21 Procedure
05000295/LER-1997-024-01, :on 971113,TS Surveillance for Pressurizer Pressure Instrument Channel Was Missed.Caused by Procedural Inadequacy of Pressurizer Pressure Functional Test.Revised Appropriate Procedures & Tested Pressurizer Pressure1997-12-12012 December 1997
- on 971113,TS Surveillance for Pressurizer Pressure Instrument Channel Was Missed.Caused by Procedural Inadequacy of Pressurizer Pressure Functional Test.Revised Appropriate Procedures & Tested Pressurizer Pressure
05000295/LER-1997-023-02, :on 971107,discovered That Auxiliary Bldg Ventilation Does Not Conform to UFSAR Due to Analysis Deficiency.Implemented Mod to Assure All Required Ventilation Is Filtered Through Charcoal When Done Manually1997-12-10010 December 1997
- on 971107,discovered That Auxiliary Bldg Ventilation Does Not Conform to UFSAR Due to Analysis Deficiency.Implemented Mod to Assure All Required Ventilation Is Filtered Through Charcoal When Done Manually
05000304/LER-1997-007-06, :on 971030,failure to Maintain Required Number of Svc Water Pumps Operable Was Identified.Caused by Failure of Mgt Personnel to Adhere to Requirements for Reviewers to Use Applicable Drawings.Procedure Rev to Provide Guidanc1997-12-0101 December 1997
- on 971030,failure to Maintain Required Number of Svc Water Pumps Operable Was Identified.Caused by Failure of Mgt Personnel to Adhere to Requirements for Reviewers to Use Applicable Drawings.Procedure Rev to Provide Guidance
05000304/LER-1997-006-07, :on 971028,informed of Potential to Exceed 10CFR50.46 ECCS Acceptance Criteria.Caused by Fuel Clad Gap re-opening & 17% Maximum Cladding Oxidation Limit.Performed Conservative Corrosion Calculations1997-11-26026 November 1997
- on 971028,informed of Potential to Exceed 10CFR50.46 ECCS Acceptance Criteria.Caused by Fuel Clad Gap re-opening & 17% Maximum Cladding Oxidation Limit.Performed Conservative Corrosion Calculations
05000304/LER-1997-005-07, :on 971021,failed to Test 2A SI Pump Suction Valve in Prescribed Periodicity.Caused by Inadequate Program to Ensure That TS IST Requirements for Each Component Are Met.Ist Group Will Include Second Check in Review1997-11-21021 November 1997
- on 971021,failed to Test 2A SI Pump Suction Valve in Prescribed Periodicity.Caused by Inadequate Program to Ensure That TS IST Requirements for Each Component Are Met.Ist Group Will Include Second Check in Review
05000295/LER-1997-022-02, :on 971022,non-safety Heating Sys Affected CR Habitability.Cause Is Not Yet Determined.Sys Engineering Will Revise & Perform Technical Staff Surveillance 15.6.1611997-11-21021 November 1997
- on 971022,non-safety Heating Sys Affected CR Habitability.Cause Is Not Yet Determined.Sys Engineering Will Revise & Perform Technical Staff Surveillance 15.6.161
05000304/LER-1997-004-08, :on 971015,small Bore Containment Penetration Line Inadequately Supported Since Plant Construction Was Noted.Cause Cannot Be determined.Non-destructive Exams Performed to Determine Condition & Integrity of Pipe1997-11-14014 November 1997
- on 971015,small Bore Containment Penetration Line Inadequately Supported Since Plant Construction Was Noted.Cause Cannot Be determined.Non-destructive Exams Performed to Determine Condition & Integrity of Pipe
05000304/LER-1997-003-10, :on 971014,unit 2 RHR Sys Declared Inoperable. Caused by Oil Leak from Oil Bulb.Leak Coming from Oil Bulb on Ob CC Pump Stopped by Removing Bulb & Inspected1997-11-13013 November 1997
- on 971014,unit 2 RHR Sys Declared Inoperable. Caused by Oil Leak from Oil Bulb.Leak Coming from Oil Bulb on Ob CC Pump Stopped by Removing Bulb & Inspected
05000304/LER-1997-002-09, :on 971012,inadvertent Isolation of Svc Water Cooling to 2B DG During Sys Alignment,Occurred.Caused by Shift Mgt Not Ensuring All Operability Requirements Met. Valve 2MOV-SW0023 Opened to Restore Flow to 2B EDG1997-11-11011 November 1997
- on 971012,inadvertent Isolation of Svc Water Cooling to 2B DG During Sys Alignment,Occurred.Caused by Shift Mgt Not Ensuring All Operability Requirements Met. Valve 2MOV-SW0023 Opened to Restore Flow to 2B EDG
05000295/LER-1997-001-14, :on 970110,recirculation Sump Cover Plate Holes Were Not Installed at Original Construction.Caused by Construction Error.Holes Installed IAW Emergency Exempt Change Prepared Prior to Ramp Down1997-11-0707 November 1997
- on 970110,recirculation Sump Cover Plate Holes Were Not Installed at Original Construction.Caused by Construction Error.Holes Installed IAW Emergency Exempt Change Prepared Prior to Ramp Down
05000295/LER-1997-021-02, :on 970919,nuclear Instrumentation Sys Power Range Rate Trip Setpoint Was Left Greater than TS Limit. Cause Has Not Been Determined.Revised Unit 2 Related Procedures on 9708141997-10-20020 October 1997
- on 970919,nuclear Instrumentation Sys Power Range Rate Trip Setpoint Was Left Greater than TS Limit. Cause Has Not Been Determined.Revised Unit 2 Related Procedures on 970814
05000295/LER-1997-020-02, :on 970908,identified That Main Steam Instrument Cabling Routed Through Main Steam Tunnels in Contradiction to Ufsar.Cause & Corrective Actions Will Be Submitted in Supplemental LER1997-10-0808 October 1997
- on 970908,identified That Main Steam Instrument Cabling Routed Through Main Steam Tunnels in Contradiction to Ufsar.Cause & Corrective Actions Will Be Submitted in Supplemental LER
05000304/LER-1997-001-11, :on 970902,Unit 2 Instrument Bus Perturbation Occurred.Caused by Insufficient Policy/Guidelines. Development of Policy for Proper Use of Protective Gear, Equipment & Tools1997-10-0202 October 1997
- on 970902,Unit 2 Instrument Bus Perturbation Occurred.Caused by Insufficient Policy/Guidelines. Development of Policy for Proper Use of Protective Gear, Equipment & Tools
05000295/LER-1997-019-02, :on 970819,discovered Failure to Test Safety Related Logic Circuits Required by Tss.Cause for Condition Has Not Been Determined.Procedures Will Be Revised1997-09-18018 September 1997
- on 970819,discovered Failure to Test Safety Related Logic Circuits Required by Tss.Cause for Condition Has Not Been Determined.Procedures Will Be Revised
05000295/LER-1994-010-01, :on 940702,Unit 1 RT Occurred Due to Generator/ Bus Duct Fire.Caused by Inadequate Design.Developed Guidelines for Improved Installation W/Revised Design1997-09-18018 September 1997
- on 940702,Unit 1 RT Occurred Due to Generator/ Bus Duct Fire.Caused by Inadequate Design.Developed Guidelines for Improved Installation W/Revised Design
05000295/LER-1997-016-02, :on 970905,failed to Recognize That 125 Vdc Buses Were Inoperable During Inter Unit cross-tie.Cause Indeterminate.Corrective Actions Will Provided in Supplemental Response to LER1997-09-12012 September 1997
- on 970905,failed to Recognize That 125 Vdc Buses Were Inoperable During Inter Unit cross-tie.Cause Indeterminate.Corrective Actions Will Provided in Supplemental Response to LER
05000304/LER-1996-004-02, :on 970423,radiation Protection Technicians Had Difficulty Operating Inner Containment Air Lock While Entering to Take Daily Samples.Caused by Mgt Deficiency. Existing Preventive Maint Program Revised1997-09-0505 September 1997
- on 970423,radiation Protection Technicians Had Difficulty Operating Inner Containment Air Lock While Entering to Take Daily Samples.Caused by Mgt Deficiency. Existing Preventive Maint Program Revised
05000295/LER-1997-017-02, :on 970806,TS Surveillance on Containment Isolation Valve Operability Was Missed After Maint.Cause Undetermined.Revised & Performed PT-306 for Affected Valves Prior to Units 1 & 2 Reaching Mode 41997-09-0505 September 1997
- on 970806,TS Surveillance on Containment Isolation Valve Operability Was Missed After Maint.Cause Undetermined.Revised & Performed PT-306 for Affected Valves Prior to Units 1 & 2 Reaching Mode 4
05000295/LER-1997-018-02, :on 970806,failed to Recognize 125 Voc Buses Were Inoperable During Unit cross-ties Due to Inadequate TS Revs.Corrective Actions for Event Have Not Been Completed1997-09-0505 September 1997
- on 970806,failed to Recognize 125 Voc Buses Were Inoperable During Unit cross-ties Due to Inadequate TS Revs.Corrective Actions for Event Have Not Been Completed
05000295/LER-1997-015-02, :on 970724,Unit 1 EDGs & Unit 2 RHR Sys Were Declared Inoperable & Inadvertent Esg Actuation Was Noted While Performing TS Related Surveillances.Cause Is Under Investigation.Restored ESF Equipment1997-08-25025 August 1997
- on 970724,Unit 1 EDGs & Unit 2 RHR Sys Were Declared Inoperable & Inadvertent Esg Actuation Was Noted While Performing TS Related Surveillances.Cause Is Under Investigation.Restored ESF Equipment
05000295/LER-1997-013-02, :on 970412,VT-3 Insp Requirements of Relief Request CR-13 for Reactor Head Bolting Were Not Performed. Caused by Failure to Revise ISI Database After SER Received from Nrc.Procedure Revised1997-06-0202 June 1997
- on 970412,VT-3 Insp Requirements of Relief Request CR-13 for Reactor Head Bolting Were Not Performed. Caused by Failure to Revise ISI Database After SER Received from Nrc.Procedure Revised
05000295/LER-1997-014-02, :on 970502,TS Surveillances on Radiation Monitors Were Missed Because Technical Interpretation That Kept 1(2)RT-PR15 Operable Was Inoperable.Revised Station Procedures1997-05-30030 May 1997
- on 970502,TS Surveillances on Radiation Monitors Were Missed Because Technical Interpretation That Kept 1(2)RT-PR15 Operable Was Inoperable.Revised Station Procedures
05000295/LER-1997-012-02, :on 970423,determined That Test Criteria for H Recombiner Was Inappropriate.Caused by Low Std for for Documentation of Changes to Vendor Recommendations. Will Review Results of 1995 TS Compliance Self Assessment1997-05-23023 May 1997
- on 970423,determined That Test Criteria for H Recombiner Was Inappropriate.Caused by Low Std for for Documentation of Changes to Vendor Recommendations. Will Review Results of 1995 TS Compliance Self Assessment
05000295/LER-1997-011-02, :on 970423,declared Main Steam Line Pressure Transmitters Inoperable.Caused by Calculation Error.Will Revise Instrument Loop Insulation Resistance Calculation & Replace Pressure Transmitters1997-05-23023 May 1997
- on 970423,declared Main Steam Line Pressure Transmitters Inoperable.Caused by Calculation Error.Will Revise Instrument Loop Insulation Resistance Calculation & Replace Pressure Transmitters
05000295/LER-1997-009-01, :on 970114,1FCV-CS0002 Was Inoperable Between 970115 & 0208.Caused by Failure to Verify That Acceptance Criteria for Return to Service Was Met.Disciplined Unit Supervisor & Will Cover Event in Licensed Operator Training1997-05-14014 May 1997
- on 970114,1FCV-CS0002 Was Inoperable Between 970115 & 0208.Caused by Failure to Verify That Acceptance Criteria for Return to Service Was Met.Disciplined Unit Supervisor & Will Cover Event in Licensed Operator Training
05000295/LER-1997-010-01, :on 970404,radiation Area Surveys Were Missed. Caused by Inadequate TS Review.Nso,Unit Supervisor & Shift Engineer,Counseled1997-05-0505 May 1997
- on 970404,radiation Area Surveys Were Missed. Caused by Inadequate TS Review.Nso,Unit Supervisor & Shift Engineer,Counseled
05000295/LER-1997-007-02, :on 970311,operator Opened Local Sys Auxiliary Transformer Panel.Cause of Sys Auxiliary Transformer Trip Could Not Be Conclusively Determined.Unit 2 Sys Auxiliary Transformer Tested for Damage1997-04-10010 April 1997
- on 970311,operator Opened Local Sys Auxiliary Transformer Panel.Cause of Sys Auxiliary Transformer Trip Could Not Be Conclusively Determined.Unit 2 Sys Auxiliary Transformer Tested for Damage
05000295/LER-1997-004-04, :on 970221,identified Failure to Start Pump in Required Time & Led to Declaring 1C Containment Spray Inoperable.Caused by Clogged Fuel Filter & Defective components.1C Containment Spray Pump Fuel Drained & Flushed1997-03-24024 March 1997
- on 970221,identified Failure to Start Pump in Required Time & Led to Declaring 1C Containment Spray Inoperable.Caused by Clogged Fuel Filter & Defective components.1C Containment Spray Pump Fuel Drained & Flushed
05000295/LER-1997-003, :on 970117,determined That EDG Tests Completed in Previous Refueling Outages Failed to Meet TS Requirement. Caused by Programmatic Deficiencies.Corrected Deficient Procedures & Completed Tests on Operating Unit1997-02-18018 February 1997
- on 970117,determined That EDG Tests Completed in Previous Refueling Outages Failed to Meet TS Requirement. Caused by Programmatic Deficiencies.Corrected Deficient Procedures & Completed Tests on Operating Unit
05000295/LER-1997-002-01, :on 970117,containment Isolation Valves Were Not Tested Prior to Leaving Cold Shutdown.Caused by Mgt Deficiencies in TS Implementation Process.Containment Isolation Valves Will Be Verified Tested Prior to Mode 41997-02-18018 February 1997
- on 970117,containment Isolation Valves Were Not Tested Prior to Leaving Cold Shutdown.Caused by Mgt Deficiencies in TS Implementation Process.Containment Isolation Valves Will Be Verified Tested Prior to Mode 4
05000295/LER-1997-001-03, :on 970110,recirculation Sump Covers Were Not Installed at Original Construction.Cause Is Unknown & Impact on Plant Operation Is Unknown.Sump Cover Was Removed,Holes Were Drilled & Cover Replaced Prior to Expiration of LCO1997-02-10010 February 1997
- on 970110,recirculation Sump Covers Were Not Installed at Original Construction.Cause Is Unknown & Impact on Plant Operation Is Unknown.Sump Cover Was Removed,Holes Were Drilled & Cover Replaced Prior to Expiration of LCO
05000304/LER-1996-011-07, :on 961217,RT Breakers Closed While Core Was off-loaded Because of non-conservative TS Application Which No Plant Impact.Changed TS to Clarify Applicability & to Prevent Reoccurrence1997-01-16016 January 1997
- on 961217,RT Breakers Closed While Core Was off-loaded Because of non-conservative TS Application Which No Plant Impact.Changed TS to Clarify Applicability & to Prevent Reoccurrence
05000304/LER-1992-004-02, :on 920715,entry Into TS 3.0.3 Occurred Due to Inoperability of 2A EDG & 2A Safety Injection Pump.Pressure Gauges Will Be Installed on Service Water Side of Lube Oil Coolers1997-01-0202 January 1997
- on 920715,entry Into TS 3.0.3 Occurred Due to Inoperability of 2A EDG & 2A Safety Injection Pump.Pressure Gauges Will Be Installed on Service Water Side of Lube Oil Coolers
05000304/LER-1996-010-07, :on 961120,sys Engineer Inadvertently Shorted Test Leads Resulting in Engineered Safety Features Functions Actuation with No Adverse Effect on Plant.Caused by Human Error.Sys Engineer Was Counselled.W/Undated Ltr1996-12-20020 December 1996
- on 961120,sys Engineer Inadvertently Shorted Test Leads Resulting in Engineered Safety Features Functions Actuation with No Adverse Effect on Plant.Caused by Human Error.Sys Engineer Was Counselled.W/Undated Ltr
05000295/LER-1996-026, :on 961107,identified Fuel Handling Bldg Ventilation Does Not Conform to UFSAR & TSs Due to Design Deficiency.Controls Revised to Ensure Pipe Tunnel Exhaust Passes Through Charcoal Filters1996-12-0909 December 1996
- on 961107,identified Fuel Handling Bldg Ventilation Does Not Conform to UFSAR & TSs Due to Design Deficiency.Controls Revised to Ensure Pipe Tunnel Exhaust Passes Through Charcoal Filters
05000295/LER-1996-025, :on 961106,identified That Refueling Mode Operating Procedure Violated Tech Spec.Caused by Management Deficiency.Removed Deficient Procedures from Use & Created Procedure to Control Associated Evolution1996-12-0606 December 1996
- on 961106,identified That Refueling Mode Operating Procedure Violated Tech Spec.Caused by Management Deficiency.Removed Deficient Procedures from Use & Created Procedure to Control Associated Evolution
05000304/LER-1996-009-07, :on 961028,app J,Type B Leakage Exceeded TS Requirement as Result of Inadequate Review of Functional Capability of Closed Piping.Caused by Mgt Deficiency. Piping 2SI9030 Satisfactorily Tested1996-11-27027 November 1996
- on 961028,app J,Type B Leakage Exceeded TS Requirement as Result of Inadequate Review of Functional Capability of Closed Piping.Caused by Mgt Deficiency. Piping 2SI9030 Satisfactorily Tested
05000304/LER-1996-008-09, :on 961011,SG Tube Indications Were Greater than TS Requirements Due to Stress Induced During Fabrication Process.All Identified Tubes Will Be Reviewed by Corporate & Station SG Engineers1996-11-11011 November 1996
- on 961011,SG Tube Indications Were Greater than TS Requirements Due to Stress Induced During Fabrication Process.All Identified Tubes Will Be Reviewed by Corporate & Station SG Engineers
1998-06-12
[Table view]
Category:TEXT-SAFETY REPORT
MONTHYEARML20217J4791999-10-18018 October 1999
SER Approving Exemption from Certain Requirements of 10CFR73 for Zion Nuclear Power Station,Units 1 & 2.NRC Concluded That Proposed Alternative Measures for Protection Against Radiological Sabotage Meets Requirements of 10CFR73.55
A99026, Monthly Operating Repts for Sept 1999 for Zion Nuclear Power Station,Units 1 & 2.With1999-09-30030 September 1999
Monthly Operating Repts for Sept 1999 for Zion Nuclear Power Station,Units 1 & 2.With
ML20217A1691999-09-22022 September 1999
Part 21 Rept Re Engine Sys,Inc Controllers,Manufactured Between Dec 1997 & May 1999,that May Have Questionable Soldering Workmanship.Caused by Inadequate Personnel Training.Sent Rept to All Nuclear Customers
A99023, Monthly Operating Repts for Aug 1999 for Zion Nuclear Power Station,Units 1 & 2.With1999-08-31031 August 1999
Monthly Operating Repts for Aug 1999 for Zion Nuclear Power Station,Units 1 & 2.With
ML20211K0401999-08-31031 August 1999
SER Accepting Approval of Defueled Station Emergency Plan & Exemption from Certain Requirements of 10CFR50.47, Emergency Plans for Plants,Units 1 & 2
A99022, Monthly Operating Repts for July 1999 for Zion Nuclear Power Station,Units 1 & 2.With1999-07-31031 July 1999
Monthly Operating Repts for July 1999 for Zion Nuclear Power Station,Units 1 & 2.With
A99021, Monthly Operating Repts for June 1999 for Zion Nuclear Power Station,Units 1 & 2.With1999-06-30030 June 1999
Monthly Operating Repts for June 1999 for Zion Nuclear Power Station,Units 1 & 2.With
A99019, Monthly Operating Repts for May 1999 for Zion Nuclear Power Station,Units 1 & 2.With1999-05-31031 May 1999
Monthly Operating Repts for May 1999 for Zion Nuclear Power Station,Units 1 & 2.With
ML20195B2591999-05-19019 May 1999
Rev 66a to CE-1-A,consisting of Proposed Changes to QAP for Dnps,Qcs,Znps,Lcs,Byron & Braidwood Stations
ML20195H9521999-04-30030 April 1999
Revised Monthly Operating Repts for Apr 1999 for Zion Nuclear Power Station,Units 1 & 2
A99013, Monthly Operating Repts for Mar 1999 for Zion Nuclear Power Station,Units 1 & 2.With1999-03-31031 March 1999
Monthly Operating Repts for Mar 1999 for Zion Nuclear Power Station,Units 1 & 2.With
ML20207M9231999-03-12012 March 1999
Amended Part 21 Rept Re Cooper-Bessemer Ksv EDG Power Piston Failure.Total of 198 or More Pistons Have Been Measured at Seven Different Sites.All Potentially Defective Pistons Have Been Removed from Svc Based on Encl Results
A990101, Monthly Operating Repts for Feb 1999 for Zion Nuclear Power Station,Units 1 & 2.With1999-02-28028 February 1999
Monthly Operating Repts for Feb 1999 for Zion Nuclear Power Station,Units 1 & 2.With
A99002, Monthly Operating Repts for Dec 1998 for Zion Nuclear Power Station,Units 1 & 2.With1998-12-31031 December 1998
Monthly Operating Repts for Dec 1998 for Zion Nuclear Power Station,Units 1 & 2.With
ML20205M7061998-12-31031 December 1998
Unicom Corp 1998 Summary Annual Rept. with
A98062, Monthly Operating Repts for Nov 1998 for Zion Nuclear Power Station,Units 1 & 2.With1998-11-30030 November 1998
Monthly Operating Repts for Nov 1998 for Zion Nuclear Power Station,Units 1 & 2.With
ML20196J0061998-11-19019 November 1998
Rev 66 to Topical Rept CE-1-A, QA Program
ML20196A4191998-11-19019 November 1998
Safety Evaluation Accepting QA TR CE-1-A,Rev 66 Re Changes in Independent & Onsite Review Organization by Creating NSRB
A98057, Monthly Operating Repts for Oct 1998 for Zion Nuclear Power Station,Units 1 & 2.With1998-10-31031 October 1998
Monthly Operating Repts for Oct 1998 for Zion Nuclear Power Station,Units 1 & 2.With
A98052, Monthly Operating Rept for Sept 1998 for Zion Nuclear Power Station,Units 1 & 2.With1998-09-30030 September 1998
Monthly Operating Rept for Sept 1998 for Zion Nuclear Power Station,Units 1 & 2.With
A98049, Special Rept 304-123-98-001SR:on 980902,valid Failure Rept for 2A EDG Occurred.Cause Unknown.Util Submitted Written Certification of Permanent Cessation of Operations at Zion Station,Units 1 & 21998-09-25025 September 1998
Special Rept 304-123-98-001SR:on 980902,valid Failure Rept for 2A EDG Occurred.Cause Unknown.Util Submitted Written Certification of Permanent Cessation of Operations at Zion Station,Units 1 & 2
A98048, Monthly Operating Repts for Aug 1998 for Zion Station,Units 1 & 2.With1998-08-31031 August 1998
Monthly Operating Repts for Aug 1998 for Zion Station,Units 1 & 2.With
ML20195D1221998-08-31031 August 1998
DSAR, for Zion Station
ML20237E2331998-08-21021 August 1998
Revised Pages of Section 20 of Rev 66 to CE-1-A, QA Topical Rept
A98042, Monthly Operating Repts for July 1998 for Zion Station,Units 1 & 21998-07-31031 July 1998
Monthly Operating Repts for July 1998 for Zion Station,Units 1 & 2
ML20236U6331998-07-24024 July 1998
Safety Evaluation Supporting Amends 179 & 166 to Licenses DPR-39 & DPR-48,respectively
ML20236S3281998-07-20020 July 1998
Safety Evaluation Supporting Certified Fuel Handlers Training & Retraining Program
A98041, Monthly Operating Repts for June 1998 for Zion Nuclear Station,Units 1 & 21998-06-30030 June 1998
Monthly Operating Repts for June 1998 for Zion Nuclear Station,Units 1 & 2
ML20236J7911998-06-12012 June 1998
LER 98-S02-00:on 980517,first Shift Security Officer Reported Being Wounded by Unknown Subject Who Fled Area. Caused by accidental,self-inflicted Gunshot Wound.Removed Officer from Duty & Charged Officer W/Filing False Rept
A98039, Monthly Operating Repts for May 1998 for Zion Generating Station,Units 1 & 21998-05-31031 May 1998
Monthly Operating Repts for May 1998 for Zion Generating Station,Units 1 & 2
05000304/LER-1998-002-05, :on 980408,failure to Maintain Sufficient Swps Operable Was Noted.Caused by Personnel Error.Disciplined Unit Supervisor for Failure to Meet Expectation to Ensure Proper Plant Configuration Prior to Proceeding W/Test1998-05-0808 May 1998
- on 980408,failure to Maintain Sufficient Swps Operable Was Noted.Caused by Personnel Error.Disciplined Unit Supervisor for Failure to Meet Expectation to Ensure Proper Plant Configuration Prior to Proceeding W/Test
A98035, Monthly Operating Repts for Apr 1998 for Zion Station,Units 1 & 21998-04-30030 April 1998
Monthly Operating Repts for Apr 1998 for Zion Station,Units 1 & 2
05000295/LER-1997-018, :on 970806,failure to Recognize 125 Vdc Buses Inoperable During Unit cross-tie Prior to Sept 1996 Calculation.Caused by Inadequate TS Review Process.Revised Procedures Associated W/Station Battery Testing1998-04-10010 April 1998
- on 970806,failure to Recognize 125 Vdc Buses Inoperable During Unit cross-tie Prior to Sept 1996 Calculation.Caused by Inadequate TS Review Process.Revised Procedures Associated W/Station Battery Testing
05000295/LER-1997-017-01, :on 970806,TS Surveillance on Containment Isolation Valve Operability After Maint Was Missed.Caused by Personnel Error.Procedure Writer Who Failed to Identify Remaining Procedures by 1993 UFSAR Rev Has Been Counseled1998-04-10010 April 1998
- on 970806,TS Surveillance on Containment Isolation Valve Operability After Maint Was Missed.Caused by Personnel Error.Procedure Writer Who Failed to Identify Remaining Procedures by 1993 UFSAR Rev Has Been Counseled
A98033, Monthly Operating Repts for Mar 1998 for Zion Station,Units 1 & 21998-03-31031 March 1998
Monthly Operating Repts for Mar 1998 for Zion Station,Units 1 & 2
05000304/LER-1998-001-09, :on 980223,inadvertent Closure of Containment Purge Isolation Valves & Subsequent Failure to Make Required Notifications on Time Due to Inadequate Communications & Procedural Problems Occurred.Shift Manager & RPT Counseled1998-03-25025 March 1998
- on 980223,inadvertent Closure of Containment Purge Isolation Valves & Subsequent Failure to Make Required Notifications on Time Due to Inadequate Communications & Procedural Problems Occurred.Shift Manager & RPT Counseled
05000295/LER-1997-004-01, :on 970221,reactor Was Shutdown,Per LCO 3.6.1 Due to One Inoperable Containment Spray pump.1C CS Pump Day Tank Was Drained,Flushed,Refilled w/biocide-added Fuel from Different Source1998-03-20020 March 1998
- on 970221,reactor Was Shutdown,Per LCO 3.6.1 Due to One Inoperable Containment Spray pump.1C CS Pump Day Tank Was Drained,Flushed,Refilled w/biocide-added Fuel from Different Source
05000295/LER-1997-015-01, :on 970724,Unit 1 EDGs & Unit 2 RHR Sys Was Declared Inoperable Which Resulted in Inadvertent ESF While Performing TS Related Surveillance.Caused by Unclear Expectations.Declared EDG Operable on 9707291998-03-0404 March 1998
- on 970724,Unit 1 EDGs & Unit 2 RHR Sys Was Declared Inoperable Which Resulted in Inadvertent ESF While Performing TS Related Surveillance.Caused by Unclear Expectations.Declared EDG Operable on 970729
05000295/LER-1997-005-03, :on 970221,supplement to Unapproved Mode Change W/Ts Required Equipment Inoperable Were Noted.Caused by Inadequate Planning & Briefing.Both Units Have Been Placed in Cold Shutdown W/Rcs at Atmospheric Pressure1998-03-0202 March 1998
- on 970221,supplement to Unapproved Mode Change W/Ts Required Equipment Inoperable Were Noted.Caused by Inadequate Planning & Briefing.Both Units Have Been Placed in Cold Shutdown W/Rcs at Atmospheric Pressure
A98029, Monthly Operating Repts for Feb 1998 for Zion Station,Units 1 & 21998-02-28028 February 1998
Monthly Operating Repts for Feb 1998 for Zion Station,Units 1 & 2
A98015, Monthly Operating Repts for Jan 1998 for Zion Station,Units 1 & 21998-01-31031 January 1998
Monthly Operating Repts for Jan 1998 for Zion Station,Units 1 & 2
ML20199K1651998-01-23023 January 1998
Rev 65h to Topical Rept CE-1-A, Comm Ed QA Tr
ML20198P8721998-01-0909 January 1998
Safety Evaluation Accepting Request for Alternative Insp Requirements for Augmented Exam of Reactor Presure Vessels for Zion Nuclear Power Station,Units 1 & 2
ML20198P8361998-01-0909 January 1998
SER Accepting Determination of Zone of Influnce for Coatings in Containment of Plant,Units 1 & 2
05000295/LER-1997-026-02, :on 971209,Unit 1 1B DG & 1C Svc Water Pump Became Inoperable Due to Missed ESF Load Shed Verification Surveillance as Result of Scheduling Error.Caused by Improper Spec.Surveillance Testing (PT-431) Was Completed1998-01-0808 January 1998
- on 971209,Unit 1 1B DG & 1C Svc Water Pump Became Inoperable Due to Missed ESF Load Shed Verification Surveillance as Result of Scheduling Error.Caused by Improper Spec.Surveillance Testing (PT-431) Was Completed
A98034, 1997 Annual 10CFR50.59 Summary Rept1997-12-31031 December 1997
1997 Annual 10CFR50.59 Summary Rept
ML20216D3611997-12-31031 December 1997
Unicom Corp 1997 Summary Annual Rept
A98004, Monthly Operating Repts for Dec 1997 for Zion Station,Units 1 & 21997-12-31031 December 1997
Monthly Operating Repts for Dec 1997 for Zion Station,Units 1 & 2
05000304/LER-1997-008-07, :on 971122,safety Related Snubber Not in Snubber Program & Subsequently Was Not Inspected Per Ts. Cause Unknown.Procedure TSS 15.6.48 Revised to Incorporate Unit 2 Snubber1997-12-22022 December 1997
- on 971122,safety Related Snubber Not in Snubber Program & Subsequently Was Not Inspected Per Ts. Cause Unknown.Procedure TSS 15.6.48 Revised to Incorporate Unit 2 Snubber
05000304/LER-1997-009-08, :on 971202,test Relay SIX1-AX Did Not Unlatch as Required During Restoration of PT 10-3.Caused by Failure to Follow Procedures.Rewired Test Relay SIX1-AX1997-12-22022 December 1997
- on 971202,test Relay SIX1-AX Did Not Unlatch as Required During Restoration of PT 10-3.Caused by Failure to Follow Procedures.Rewired Test Relay SIX1-AX
1999-09-30
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