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Category:LICENSEE EVENT REPORT (SEE ALSO AO RO)
MONTHYEARML20198Q4391997-11-0303 November 1997 LER 97-S001-00:on 971003,vital Area Barrier Gratings in Main Steam Valve Bldg Floor Not Secured.Caused by Inadequate Verification/Validation Process for Ensuring Vital Area Boundary Integrity.Security Instructions Will Be Revised ML20217F2321997-09-29029 September 1997 LER 970934-01:on 970918,RHR Pump Suction Relief Valve Setpoint Not IAW TS Was Determined.Caused by Insufficient Configuration Control.Declared B Train RHR Valve Inoperable, Recalibrated to Correct Setpoint & Declared Operable 05000336/LER-1997-003, Corrected Page One to LER 97-003-01:on 961216,discovered Discrepancy in Plant Procedure Utilized to Perform Periodic Insp of Fire Protection Sys Smoke Detectors.Caused by Failure to Properly Incorporate Ts.Ts Partially Revised1997-04-15015 April 1997 Corrected Page One to LER 97-003-01:on 961216,discovered Discrepancy in Plant Procedure Utilized to Perform Periodic Insp of Fire Protection Sys Smoke Detectors.Caused by Failure to Properly Incorporate Ts.Ts Partially Revised 05000336/LER-1993-0191993-09-10010 September 1993 LER 93-019-00:on 930812,reactor Trip Occurred Due to Low SG Level.Conducted Shift Briefing of Event to Operating Shift While Assuming Watch.Briefing Included Listed Requirements for Subsequent Specific start-up.W/930910 Ltr 05000423/LER-1993-0121993-09-0303 September 1993 LER 93-012-00:on 930805,piece of Plywood Discovered in Train a of Sws.Caused by Inadequate Work Control During 1991 Outage to Repair Sws.Plywood Removed & Increased Attention Being Paid to Matl Exclusion in Critical sys.W/930903 Ltr 05000336/LER-1993-0181993-09-0303 September 1993 LER 93-018-00:on 930805,letdown Manual Isolation Valve 2-CH-442 Developed Leak Which Exceeded TS Limits.Root Cause Has Not Been Determined.Valve Replaced & All Code Required Post Intallation Tests Successfully completed.W/930903 Ltr 05000336/LER-1993-0081993-09-0202 September 1993 LER 93-008-01:on 930505,declared Charging Pumps Inoperable Due to Low Control Power Voltage.Established Administrative Controls & Installed Interposing Relay within C Charging Pump Control circuit.W/930902 Ltr 05000423/LER-1993-0041993-08-31031 August 1993 LER 93-004-01:on 930331,RT Occurred Due to electro-hydraulic Control Power Supply Failure.Replaced Faulty Power Supply. W/930831 Ltr 05000423/LER-1993-0111993-08-30030 August 1993 LER 93-011-00:on 930731,MSSV Lift Setpoint Drift Occurred Due to Unknown Cause.Reduced Setpoint for Power Range Neutron Flux High Trip to 10%.W/930830 Ltr 05000336/LER-1993-0161993-08-27027 August 1993 LER 93-016-00:on 930729,reportability Determination Made Re Analysis for Boron Dilution Event.Caused by Inadequate Review of Results of Boron Dilution in Relation to Plant Operating Conditions.Boron Results revised.W/930827 Ltr 05000336/LER-1993-0141993-08-13013 August 1993 LER 93-014-00:on 930714,discovered Surveillances Procedures Had Not Been Performed within Specified Time Intervals Due to Insufficent Planning.Missed Surveillances Immediately performed.W/930813 Ltr 05000423/LER-1990-0261990-07-25025 July 1990 LER 90-026-00:on 900625,Train B Containment Hydrogen Monitor Failed Calibr Surveillance.Caused by Inadequate Engineering Interface Between Facilities Design Organization.Caution Tags Placed on Main Control Board indicators.W/900725 Ltr 05000336/LER-1990-0101990-07-20020 July 1990 LER 90-010-00:on 900621,door Identified in Configuration Not Consistent W/Bechtel Design Drawings During High Energy Line Review.Caused by Lack of Knowledge of Requirements.Double Door reinforced.W/900720 Ltr 05000423/LER-1990-0241990-07-20020 July 1990 LER 90-024-00:on 900620,control Bldg Isolations Occurred Due to Radiation Monitor Detector Degradation.Other Equipment Not Affected.Degradation Caused Radiation Levels to Exceed High Alarm Setpoint.Detector replaced.W/900720 Ltr 05000423/LER-1990-0251990-07-20020 July 1990 LER 90-025-00:on 900616,hourly Vice Fire Watch Maintained During Condition That Required Continuous Fire Watch Be Established.Caused by Personnel Error.Continuous Fire Watch Established & Personnel Involved counseled.W/900720 Ltr 05000336/LER-1990-0081990-07-18018 July 1990 LER 90-008-00:on 900620,determined That Grab Sample of Unit Stack Gas Not Taken.Caused by Lack of Communication Between Personnel.Grab Sample Obtained & analyzed.W/900718 Ltr 05000336/LER-1987-0091990-07-18018 July 1990 LER 87-009-02:on 870902,unit Experienced Automatic Reactor Trip Due to Low Steam Generator Level.Caused by Valve Stem Slightly Loose from Valve Plug.Damaged Stem/Plug Assembly replaced.W/900718 Ltr 05000336/LER-1990-0091990-07-16016 July 1990 LER 90-009-00:on 900617,inadvertent Partial Actuation of Train B of Enclosure Bldg Filtration Sys Occurred.Root Cause Not Determined.No Corrective Actions Recommended Until Further Testing & Troubleshooting performed.W/900716 Ltr 05000423/LER-1990-0221990-07-16016 July 1990 LER 90-022-00:on 900618,discovered That Hourly Fire Watch Patrol Had Not Been Established in Battery 4 Inverter Room. Caused by Procedural Deficiency.Hourly Fire Watch Established.Procedures revised.W/900716 Ltr 05000423/LER-1990-0211990-07-16016 July 1990 LER 90-021-00:on 900607,integrated Leak Rate Test Supply & Exhaust Valve 3HVU*V5 Discovered Unlocked & Opened.Caused by Failure to Use Applicable Procedure for Nonroutine Evolution.Valve Closed & locked.W/900716 Ltr 05000423/LER-1990-0191990-07-0303 July 1990 LER 90-019-00:on 900606,automatic Reactor Trip from Negative Flux Rate Signal Occurred Due to Dropped Control Rod.Caused by Broken Connection in Stationary Coil Power Cable for Rod. Special EOP Performed & Connector replaced.W/900703 Ltr 05000000/LER-1986-022, Partially Deleted LER 86-022-02:on 861018,potential Undetected Access Into Vital Area Discovered.Caused by Use of Incorrect Procedure.Card Reader Replaced & Tested to Ensure Proper Operation1987-02-20020 February 1987 Partially Deleted LER 86-022-02:on 861018,potential Undetected Access Into Vital Area Discovered.Caused by Use of Incorrect Procedure.Card Reader Replaced & Tested to Ensure Proper Operation 05000000/LER-1986-030, Partially Deleted LER 86-030-00:on 861211,unauthorized Opening Into Protected Area Discovered.Caused by Area Not Properly Identified as Area for Security Concern.Signs Posted1986-12-16016 December 1986 Partially Deleted LER 86-030-00:on 861211,unauthorized Opening Into Protected Area Discovered.Caused by Area Not Properly Identified as Area for Security Concern.Signs Posted 05000000/LER-1986-026, Partially Deleted LER 86-026-00:on 861124,vital Area Door Discovered W/O Alarm Capability.Caused by Personnel Error. Secutiry Officer in Question Terminated & Function of Administrative Sergeant Reviewed1986-12-0101 December 1986 Partially Deleted LER 86-026-00:on 861124,vital Area Door Discovered W/O Alarm Capability.Caused by Personnel Error. Secutiry Officer in Question Terminated & Function of Administrative Sergeant Reviewed 05000000/LER-1986-023, Partially Deleted LER 86-023-01:on 861023,unauthorized Access Into Vital Area Door Discovered.Caused by Card Reader Malfunction.Malfunctioning Card Reader Replaced.Cause Still Under Investigation1986-11-21021 November 1986 Partially Deleted LER 86-023-01:on 861023,unauthorized Access Into Vital Area Door Discovered.Caused by Card Reader Malfunction.Malfunctioning Card Reader Replaced.Cause Still Under Investigation 05000000/LER-1986-024, Partially Deleted LER 86-024-00:on 861113,attempted Introduction of Unauthorized Weapon Into Protected Area Discovered.Caused by Personnel Attempt to Enter Plant W/ Concealed Gun.Personnel Denied Facility Access1986-11-18018 November 1986 Partially Deleted LER 86-024-00:on 861113,attempted Introduction of Unauthorized Weapon Into Protected Area Discovered.Caused by Personnel Attempt to Enter Plant W/ Concealed Gun.Personnel Denied Facility Access 05000000/LER-1986-052, Partially Withheld LER 86-052-01:on 860926,security Data Mgt Sys Computer Terminals Became Inoperable (Ref 10CFR73.21). Caused by Overload of Alarms & Sys Instability.Sys Restored by Placing Sys Multiplexers Online1986-11-13013 November 1986 Partially Withheld LER 86-052-01:on 860926,security Data Mgt Sys Computer Terminals Became Inoperable (Ref 10CFR73.21). Caused by Overload of Alarms & Sys Instability.Sys Restored by Placing Sys Multiplexers Online 05000000/LER-1986-007, Partially Deleted LER 86-007-01:on 860218,loss of Alarm Surveillance Occurred.Caused by Water Leaking Into Cable Due to Heavy Rain.Cable Dried,Leak Repaired & Design Corrected1986-10-0606 October 1986 Partially Deleted LER 86-007-01:on 860218,loss of Alarm Surveillance Occurred.Caused by Water Leaking Into Cable Due to Heavy Rain.Cable Dried,Leak Repaired & Design Corrected 05000000/LER-1986-021, Partially Deleted LER 86-021-00:on 860911,vital Area Doors Failed to Alarm When Tested During Surveillance.Caused by Failure to Report Door Transactions to Host Computer.Central Procesing Unit Board Replaced1986-09-15015 September 1986 Partially Deleted LER 86-021-00:on 860911,vital Area Doors Failed to Alarm When Tested During Surveillance.Caused by Failure to Report Door Transactions to Host Computer.Central Procesing Unit Board Replaced 05000000/LER-1986-020, Partially Deleted LER 86-020-00:on 860812,security Sys Experienced Loss of Power.Caused Withheld.Numerous Failures Experienced Until Machine a Designated as Prime.Procedures to Reboot Computers Revised1986-08-15015 August 1986 Partially Deleted LER 86-020-00:on 860812,security Sys Experienced Loss of Power.Caused Withheld.Numerous Failures Experienced Until Machine a Designated as Prime.Procedures to Reboot Computers Revised 05000000/LER-1986-004, Partially Deleted LER 86-004-01:on 860204,loss of Dynamic Reporting of Alarm Surveillance Occurred.Cause Withheld. Computer Svcs Personnel Will Continue to Monitor Sys for Indicators of Cause1986-06-11011 June 1986 Partially Deleted LER 86-004-01:on 860204,loss of Dynamic Reporting of Alarm Surveillance Occurred.Cause Withheld. Computer Svcs Personnel Will Continue to Monitor Sys for Indicators of Cause 05000000/LER-1986-016, Partially Deleted LER 86-016-00:on 860501,vital Area Door Discovered W/O Alarm Capabilities.Caused by Access Control Security Officer Asleep at Post.Determination to Suspend or Discontinue Employment Being Made1986-05-0606 May 1986 Partially Deleted LER 86-016-00:on 860501,vital Area Door Discovered W/O Alarm Capabilities.Caused by Access Control Security Officer Asleep at Post.Determination to Suspend or Discontinue Employment Being Made 05000000/LER-1986-015, Partially Deleted LER 86-015-00:on 860428,stationary Side of Door Failed to Alarm When Tested.Cause Withheld.Alarm Repaired1986-05-0202 May 1986 Partially Deleted LER 86-015-00:on 860428,stationary Side of Door Failed to Alarm When Tested.Cause Withheld.Alarm Repaired ML20203L0281986-04-25025 April 1986 Informs of Planned Site Visit to Obtain Info Supporting Implementation of Emergency Response Data Sys,Including Availability of PWR or BWR Parameters in Digital Form & Characterization of Available Data Feed Points 05000000/LER-1986-014, Partially Deleted LER 86-014-00:on 860421,bomb Threat Received by Security Officer in Security Assembly Room. Cause Not Applicable.Actions Taken to Minimize Station Threat & Investigation Underway1986-04-25025 April 1986 Partially Deleted LER 86-014-00:on 860421,bomb Threat Received by Security Officer in Security Assembly Room. Cause Not Applicable.Actions Taken to Minimize Station Threat & Investigation Underway 05000000/LER-1986-013, Partially Deleted LER 86-013-00:on 860414,vital Area Door W/O Alarm Capability Discovered.Caused by Personnel Error. Personnel Removed from Shift & Vital Area Checked for Unauthorized Personnel W/None Being Found1986-04-18018 April 1986 Partially Deleted LER 86-013-00:on 860414,vital Area Door W/O Alarm Capability Discovered.Caused by Personnel Error. Personnel Removed from Shift & Vital Area Checked for Unauthorized Personnel W/None Being Found 05000000/LER-1986-012, Partially Deleted LER 86-012-00:on 860412,breach Discovered in Protected Area Barrier.Caused by Personnel Error. Personnel Counseled1986-04-17017 April 1986 Partially Deleted LER 86-012-00:on 860412,breach Discovered in Protected Area Barrier.Caused by Personnel Error. Personnel Counseled 05000000/LER-1986-011, Partially Deleted LER 86-011-00:on 860410,vital Area Intrusion Alarm Failure Occurred.Cause of Event Deleted. Alarm & Door Tested Satisfactorily1986-04-15015 April 1986 Partially Deleted LER 86-011-00:on 860410,vital Area Intrusion Alarm Failure Occurred.Cause of Event Deleted. Alarm & Door Tested Satisfactorily 05000000/LER-1986-003, Partially Deleted LER 86-003-00:on 860125,loss of Dynamic Reporting of Vital Area Door Activity Occurred.Caused by Equipment Malfunction.Corrective Action Withheld1986-01-29029 January 1986 Partially Deleted LER 86-003-00:on 860125,loss of Dynamic Reporting of Vital Area Door Activity Occurred.Caused by Equipment Malfunction.Corrective Action Withheld 05000000/LER-1986-002, Partially Deleted LER 86-002-00:on 860117,loss of Alarm Surveillance on Doors Occurred.Caused by Erroneously Listing Officer as Being Posted on Door 398.Processing of Rev to Physical Security Plan Initiated1986-01-23023 January 1986 Partially Deleted LER 86-002-00:on 860117,loss of Alarm Surveillance on Doors Occurred.Caused by Erroneously Listing Officer as Being Posted on Door 398.Processing of Rev to Physical Security Plan Initiated 05000000/LER-1986-001, Partially Deleted LER 86-001-00:on 860105,loss of Dynamic Reporting of Vital Door Activity Occurred.Cause & Corrective Action Completely Deleted1986-01-10010 January 1986 Partially Deleted LER 86-001-00:on 860105,loss of Dynamic Reporting of Vital Door Activity Occurred.Cause & Corrective Action Completely Deleted 05000336/LER-1983-012, Updated LER 83-012/03X-1:on 830322 & 26,charging Pump C Shut Down Due to Lost Oil Pressure.Caused by Failed Integral Oil Pump Drive Coupling.Coupling Repaired1984-03-12012 March 1984 Updated LER 83-012/03X-1:on 830322 & 26,charging Pump C Shut Down Due to Lost Oil Pressure.Caused by Failed Integral Oil Pump Drive Coupling.Coupling Repaired 05000336/LER-1983-020, Updated LER 83-020/01X-1:on 830613,2,557 Degraded Tubes Discovered on Steam Generator Tubing.Cause Undetermined. Tubes W/Flaws Less than + or - 40% Through Wall or Eddy Current Probe Restrications repaired.W/840213 Ltr1984-02-13013 February 1984 Updated LER 83-020/01X-1:on 830613,2,557 Degraded Tubes Discovered on Steam Generator Tubing.Cause Undetermined. Tubes W/Flaws Less than + or - 40% Through Wall or Eddy Current Probe Restrications repaired.W/840213 Ltr 05000336/LER-1983-007, Updated LER 83-007/01T-1:on 830318,nonconservative Safety Analysis Assumption Discovered in Steam Generator Tube Rupture Analysis.Radiological Consequences of Reanalysis Being Analyzed1983-12-0909 December 1983 Updated LER 83-007/01T-1:on 830318,nonconservative Safety Analysis Assumption Discovered in Steam Generator Tube Rupture Analysis.Radiological Consequences of Reanalysis Being Analyzed ML20064F8591978-11-28028 November 1978 /03L-0 on 781115:spent Fuel Pool(Sfp)Ventilation Particulate & Gaseous Setpoints Exceeded Tech Specs Setpoints of Table 3.3-6,items 2.c & 2.d.Caused by Monitor Recalibr W/O Taking Into Account Tech Spec Limit ML20064F1651978-11-21021 November 1978 /03L-0 on 781025:during Oper,Surveillance Test on Channel a Reactor Protec Sys Core Protec Calculator Reveated Sys Ground Traced to Signal for Pressurizer Pressure W/In Containment Boundary.Source Not Known at This Time ML20064E6611978-11-16016 November 1978 /03L-0 on 781024:plant Computer Malfunction Caused CEA Pulse Counting Position to Be in Oper.Cause of Computer Failure Could Not Be Traced ML20064E1501978-11-0606 November 1978 /03L-0 on 781007:daily Tech Spec 4.3.1.1.1.,Table 4.3-1,items 2.a & 2.b,Nuc Pwr Surveillance & Delta-T Pwr Channel Calibr Not Performed Due to Personnel Error. Supervisors Told to Perform Req Surveillance ML20064D6131978-11-0303 November 1978 /03L-0 on 781025:Analysis of Instru Installations Revealed That Two Transmitters Assoc W/Channel a Steam Generator Low Water Lever Were non-seismically Mounted. Channel a SG Was Bypassed.Seismic Brackets Will Be Used ML20064D6011978-11-0101 November 1978 /03L-0 on 781004:during Surveillance Testing, Setpoint for Reactor Protec Sys Reactor Coolant Low Flow Trip on Channel B Was Out of Spec.Setpoint Was Readjusted. Rev Will Req Low Flow Trip Unit Setpoint Be Reset 1997-09-29
[Table view] Category:TEXT-SAFETY REPORT
MONTHYEARML20217P5391999-10-25025 October 1999 Rev 0,Change 1 to Millstone Unit 1 Northeast Utils QA Program ML20217C8721999-10-0606 October 1999 Rev 21,change 3 to MP-02-OST-BAP01, Nuqap Topical Rept, App F & G Only B17898, Monthly Operating Rept for Sept 1999 for Millstone Nuclear Power Station,Unit 3.With1999-09-30030 September 1999 Monthly Operating Rept for Sept 1999 for Millstone Nuclear Power Station,Unit 3.With B17894, Monthly Operating Rept for Sept 1999 for Millstone Nuclear Power Station,Unit 2.With1999-09-30030 September 1999 Monthly Operating Rept for Sept 1999 for Millstone Nuclear Power Station,Unit 2.With B17896, Monthly Operating Rept for Sept 1999 for Millstone Nuclear Power Station,Unit 1.With1999-09-30030 September 1999 Monthly Operating Rept for Sept 1999 for Millstone Nuclear Power Station,Unit 1.With ML20216J4341999-09-24024 September 1999 Mnps Unit 3 ISI Summary Rept,Cycle 6 ML20211N8401999-09-0202 September 1999 Rev 21,change 1 to Northeast Utils QA TR, Including Changes Incorporated Into Rev 20,changes 9 & 10 ML20216F5141999-08-31031 August 1999 Rept on Status of Public Petitions Under 10CFR2.206 B17879, Monthly Operating Rept for Aug 1999 for Millstone Nuclear Power Station,Unit 2.With1999-08-31031 August 1999 Monthly Operating Rept for Aug 1999 for Millstone Nuclear Power Station,Unit 2.With B17874, Monthly Operating Rept for Aug 1999 for Millstone Nuclear Power Station,Unit 3.With1999-08-31031 August 1999 Monthly Operating Rept for Aug 1999 for Millstone Nuclear Power Station,Unit 3.With B17878, Monthly Operating Rept for Aug 1999 for Mnps,Unit 1.With1999-08-31031 August 1999 Monthly Operating Rept for Aug 1999 for Mnps,Unit 1.With ML20211G9631999-08-30030 August 1999 SER Accepting Licensee Response to GL 96-05, Periodic Verification of Design-Basis Capability of Safety-Related Motor-Operated Valves ML20211A6561999-07-31031 July 1999 Monthly Operating Rept for July 1999 for Millstone Nuclear Power Station,Unit 2 B17856, Monthly Operating Rept for July 1999 for Millstone Nuclear Power Station,Unit 1.With1999-07-31031 July 1999 Monthly Operating Rept for July 1999 for Millstone Nuclear Power Station,Unit 1.With B17858, Monthly Operating Rept for July 1999 for Millstone Nuclear Power Station,Unit 3.With1999-07-31031 July 1999 Monthly Operating Rept for July 1999 for Millstone Nuclear Power Station,Unit 3.With ML20210J0311999-07-21021 July 1999 Rev 20,Change 10 to QAP 1.0, Organization ML20210E5931999-07-19019 July 1999 Revised Page 16 of 21,to App F of Northeast Util QA Program Plan ML20210C5911999-07-15015 July 1999 Revised Rev 20,change 10 to Northeast Util QA Program TR, Replacing Summary of Changes ML20210A0411999-07-15015 July 1999 Rev 20,change 10 to Northeast Util QA Program Tr B17814, Special Rept:On 990612 B Train EDG Failed to Restart within 5 Minutes Following Completion of 18 Month 24 H Endurance Run Required by TS 4.8.1.1.2.g.7.Caused by Procedural inadequacy.Re-performed Hot Restart Via Manual Start1999-07-12012 July 1999 Special Rept:On 990612 B Train EDG Failed to Restart within 5 Minutes Following Completion of 18 Month 24 H Endurance Run Required by TS 4.8.1.1.2.g.7.Caused by Procedural inadequacy.Re-performed Hot Restart Via Manual Start ML20209D1881999-07-0101 July 1999 Rev 20,change 9 to Northeast Util QA Program Tr ML20196A8451999-06-30030 June 1999 Post Shutdown Decommissioning Activities Rept ML20211A6751999-06-30030 June 1999 Revised Monthly Operating Rept for June 1999 for Millstone Nuclear Power Station,Unit 2,providing Revised Average Daily Unit Power Level & Operating Data Rept B17830, Monthly Operating Rept for June 1999 for Millstone Nuclear Power Station,Unit 3.With1999-06-30030 June 1999 Monthly Operating Rept for June 1999 for Millstone Nuclear Power Station,Unit 3.With B17833, Monthly Operating Rept for June 1999 for Millstone Power Station,Unit 1.With1999-06-30030 June 1999 Monthly Operating Rept for June 1999 for Millstone Power Station,Unit 1.With ML20209J0541999-06-30030 June 1999 Monthly Operating Rept for June 1999 for Millstone Unit 2 ML20196K1791999-06-30030 June 1999 Addendum 6 to Millstone Unit 2 Annual Rept, ML20196J2191999-06-30030 June 1999 SER Concluding That Licensee USI A-46 Implementation Program,In General,Met Purpose & Intent of Criteria in GIP-2 & Staff Sser 2 for Resolution of USI A-46 ML20196J1821999-06-30030 June 1999 Rev 21,Change 0 to Northeast Utilities QAP (Nuqap) Tr ML20195H1011999-06-11011 June 1999 Rev 20,change 8 to Northeast Utilities QAP (Nuqap) TR ML20207G6411999-06-0303 June 1999 Safety Evaluation Supporting Amends 105,235 & 171 to Licenses DPR-21,DPR-65 & NPF-49,respectively B17807, Monthly Operating Rept for May 1999 for Mnps,Unit 1.With1999-05-31031 May 1999 Monthly Operating Rept for May 1999 for Mnps,Unit 1.With ML20211B7351999-05-31031 May 1999 Cycle 7 Colr ML20211A6631999-05-31031 May 1999 Revised Monthly Operating Rept for May 1999 for Millstone Nuclear Power Station,Unit 2,providing Revised Average Daily Unit Power Level,Operating Data Rept & Unit Shutdowns & Power Reductions ML20209J0661999-05-31031 May 1999 Revised Monthly Operating Rept for May 1999 for Millstone Unit 2 B17808, Monthly Operating Rept for May 1999 for Millstone Nuclear Power Station,Unit 3.With1999-05-31031 May 1999 Monthly Operating Rept for May 1999 for Millstone Nuclear Power Station,Unit 3.With B17804, Monthly Operating Rept for May 1999 for Mnps,Unit 2.With1999-05-31031 May 1999 Monthly Operating Rept for May 1999 for Mnps,Unit 2.With ML20206M4631999-05-11011 May 1999 Safety Evaluation Supporting Alternative Proposed by Licensee to Perform Ultrasonic Exam on Inner Surface of Nozzle to safe-end Weld ML20206J8351999-05-0707 May 1999 Rev 20,Change 7 to QAP-1.0, Northeast Utls QA Program (Nuqap) Tr ML20206G6221999-05-0404 May 1999 SER Accepting Util Request to Apply leak-before-break Status to Pressurizer Surge Line Piping for Millstone Nuclear Power Station,Unit 2 ML20205R3531999-04-30030 April 1999 Addendum 4 to Annual Rept, B17782, Monthly Operating Rept for Apr 1999 for Millstone Nuclear Power Station,Unit 1.With1999-04-30030 April 1999 Monthly Operating Rept for Apr 1999 for Millstone Nuclear Power Station,Unit 1.With B17777, Monthly Operating Rept for Apr 1999 for Millstone Unit 2. with1999-04-30030 April 1999 Monthly Operating Rept for Apr 1999 for Millstone Unit 2. with B17775, Monthly Operating Rept for Apr 1999 for Millstone Nuclear Power Station Unit 3.With1999-04-30030 April 1999 Monthly Operating Rept for Apr 1999 for Millstone Nuclear Power Station Unit 3.With ML20206E2971999-04-30030 April 1999 Rev 1 to Millstone Nuclear Power Station,Unit 2 COLR - Cycle 13 ML20205K6141999-04-30030 April 1999 Non-proprietary Version of Rev 2 to Holtec Rept HI-971843, Licensing Rept for Reclassification of Discharge in Millstone Unit 3 Spent Fuel Pool ML20205Q5891999-04-0909 April 1999 Rev 20,change 6 to QAP-1.0,Northeast Utils QA Program TR ML20205R8751999-04-0909 April 1999 Provides Commission with Staff Assessment of Issues Related to Restart of Millstone Unit 2 & Staff Recommendations Re Restart Authorization for Millstone Unit 2 ML20206T3991999-03-31031 March 1999 First Quarter 1999 Performance Rept, Dtd May 1999 ML20205E2361999-03-31031 March 1999 Mnps,Units 1,2 & 3 Decommissioning Funding Status Rept 1999-09-30
[Table view] |
LER-2086-026, Partially Deleted LER 86-026-00:on 861124,vital Area Door Discovered W/O Alarm Capability.Caused by Personnel Error. Secutiry Officer in Question Terminated & Function of Administrative Sergeant Reviewed |
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On 11/24/86 at roximatel 1330 hours0.0154 days <br />0.369 hours <br />0.0022 weeks <br />5.06065e-4 months <br /> a securi office The door was locked.
Approximately two minutes later the security oJficer reported to the administra-tive supervisor for a new assi ent. At that time the administrative l rvisor realized th 35 hours4.050926e-4 days <br />0.00972 hours <br />5.787037e-5 weeks <br />1.33175e-5 months <br /> a l until the alarm I was activate ith none being . !
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'. , LICENSEE EVENT REPORT (LER) TEXT CONTINUATION 4. n . o o . o me # i La Pinf t 4/31sts
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~
At 1330 hours0.0154 days <br />0.369 hours <br />0.0022 weeks <br />5.06065e-4 months <br /> on 11/24/86 a securit offic .-[ -
~ J a' -? f .sor A [to t
'. 'secure . g[ \ . The securit officer was toa the administration superv .
is pos'., so
$ 7he violation v s discovered at 1332 hours0.0154 days <br />0.37 hours <br />0.0022 weeks <br />5.06826e-4 months <br /> en a supervisor was dispatched to the door because F'* ~ ~ M ~%
'There was approximately 5 m'inute period which there was no a arm surve ance on the door. The door was locked during this period. -
Effect of Event:
30 to 335 hours0.00388 days <br />0.0931 hours <br />5.539021e-4 weeks <br />1.274675e-4 months <br /> non-active alar at a
- I D_eceription of Compensatory Measures:
D_esfrnation of Apparent Cause:
The security officer assigned to the door f ailed to contact the CA Mbt .
rior to leaving the area. Instead the officer contacted !
the administrative sergeant to ask permission to secure the post. The l administrative sergeant on duty at the time of this incident c1r ;ms that she l
directed the officer to contact the CA F g trior to reporting to her for a new assignment. 1 I
As a result of the investigation into this incident it was determined that the I officer in question had been given all the necessary training, information, and l equipment that would allow him to take the necessary action to secure the door, I yet he failed to perform properly. I Corrective Action:
. l The security officer in question has been terminated as a result of this incident. !
l An awareness bulletin has been generated to reinforce the need for con =unication ; I
'I with the CAS in all situatiens of this type.
A review of the function of the administrative serFeant is being conducted to ;I deterwine if this position is contributing to problems of this type. l
..e.e..w. . ~ ..... . . . . , . . . .
,p.
NORTHEAST UTILITIES
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o.n.,.i On.ces . seie.n sire,i. seriin. Connecticut 1 .wi .um"s ue w cw-' P.O. BOX 270 a.r....ii.. w cc~.-- I l a.. v O HARTF ORD. CONNECTICU T 061414270
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December 1, 1986 MP-9768 l
Docket No. 50-245 l Docket No. 50-336 1 Docket No. 50-423 Mr. Richard W. Starostecki, Director Division of Project and Resident Programs NRC Region I U.S. Nuclear Regulatory Commission 631 Park Avenue King of Prussia, Pennsylvania 19406
Dear Mr. Starostecki:
I l This letter forwards a report of a .cecurity related event pursuant to the requirements of 10CFR part 73, paragraph 73.71(c).
Very truly yours.
NORTHEAST NUCLEAR ENERGY COMPAST r n k's . -Scace k'Gci-lSte ten .
Station Superintendent Millstone Nuclear Power Station SES/PLW:mo
Attachment:
Report of Security Event 86-026-00 cc: Director of Inspection and Enforcement U.S. Nuclear Rtgulatory Commission, Washington, D.C. 20555 l bec: NNECo NUSCo OTHER l
SSCF 9. 5. fL > W. D. Romberg T. Shediosky - NRC l
N. S. Tasker T. Rebelowski - NRCf l
R. T. 1.audenat
\
m .
b7
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