PNO-II-93-049, on 930927,plant Commenced Controlled Shutdown from 100% Power Due to Unidentified Leakage of 1.2 Gpm in Rcs.Licensee Determined That Majority of Leakage Coming from Seal Ring on Manual Isolation Valve
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| ML20057E323 | |
| Person / Time | |
|---|---|
| Site: | Mcguire |
| Issue date: | 09/28/1993 |
| From: | Yates C NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | |
| References | |
| PNO-II-93-049, PNO-II-93-49, NUDOCS 9310120022 | |
| Download: ML20057E323 (1) | |
Similar Documents at Mcguire | |
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Category:PRELIMINARY NOTIFICATION OF EVENT OR OCCURRENCE (PNO
MONTHYEARPNO-II-98-030, on 980603,loss of Offsite Power Occurred,Due to Loss of 1B Bus.Caused by Faulted 230 Kv Switchyard Current Transformer.Resident Inspectors Onsite & Responded to Event & Will Continue to Evaluate Activities W/Event1998-06-0404 June 1998
[Table view]PNO-II-98-030:on 980603,loss of Offsite Power Occurred,Due to Loss of 1B Bus.Caused by Faulted 230 Kv Switchyard Current Transformer.Resident Inspectors Onsite & Responded to Event & Will Continue to Evaluate Activities W/Event PNO-II-97-051, on 970906,McGuire Units 1 & 2 Automatically Tripped.Porvs Utilized Until Steam Dumps Could Be Made Available.Steam Relieved Through Main Steam PORVs Until Power to Bus Kxa Restored & MSIVs Reopened1997-08-0909 August 1997 PNO-II-97-051:on 970906,McGuire Units 1 & 2 Automatically Tripped.Porvs Utilized Until Steam Dumps Could Be Made Available.Steam Relieved Through Main Steam PORVs Until Power to Bus Kxa Restored & MSIVs Reopened PNO-II-97-015, Re Media Interest in Evacuation of Site Environ Lab,Due to Potentially Explosive Matl.Acid Was re-established,diluted & Stored in Licensee Hazardous Matl Area for Routine Disposal1997-03-0606 March 1997 PNO-II-97-015 Re Media Interest in Evacuation of Site Environ Lab,Due to Potentially Explosive Matl.Acid Was re-established,diluted & Stored in Licensee Hazardous Matl Area for Routine Disposal PNO-II-96-075, on 961031,shutdowns Required by TS After C Battery Failed to Meet Required Capacity Criteria During Modified Performance Test.C Vital DC Bus cross-connected to a Battery.Decrease in Capacity Unexpected1996-10-31031 October 1996 PNO-II-96-075:on 961031,shutdowns Required by TS After C Battery Failed to Meet Required Capacity Criteria During Modified Performance Test.C Vital DC Bus cross-connected to a Battery.Decrease in Capacity Unexpected PNO-II-93-053, on 931005,operators Detected Increasing Activity from Condenser Air Ejector Radiation Monitor Indicating Steam Generator Tube Leakage.Region II Will Continue to Monitor Licensee Actions to Find Nature of Leak1993-10-0606 October 1993 PNO-II-93-053:on 931005,operators Detected Increasing Activity from Condenser Air Ejector Radiation Monitor Indicating Steam Generator Tube Leakage.Region II Will Continue to Monitor Licensee Actions to Find Nature of Leak PNO-II-93-038, on 930821,unit Experienced SG Tube Leak Resulting in Shutdown.Region II Will Continue to Monitor Licensee Actions to Determine Nature of Leak1993-08-23023 August 1993 PNO-II-93-038:on 930821,unit Experienced SG Tube Leak Resulting in Shutdown.Region II Will Continue to Monitor Licensee Actions to Determine Nature of Leak PNO-II-90-068, on 901101,contract Employee Found Deceased in Staging Area Restroom1990-11-0101 November 1990 PNO-II-90-068:on 901101,contract Employee Found Deceased in Staging Area Restroom PNO-II-89-043, on 890604,util Employee & Visitors Caused 3 Consecutive Alarms of Portal Monitor While Exiting Site After Tour.No Contamination Surveys Conducted.Util Surveyed Homes of Employee & Visitors.No Contamination Found1989-06-0909 June 1989 PNO-II-89-043:on 890604,util Employee & Visitors Caused 3 Consecutive Alarms of Portal Monitor While Exiting Site After Tour.No Contamination Surveys Conducted.Util Surveyed Homes of Employee & Visitors.No Contamination Found PNO-II-89-019, on 890307,Unit 1 Manually Tripped Due to Drop in Pressurizer Level,Increase in Main Steam Line Radiation & Increased Charging Flow Revealed Primary to Secondary Leak. Alert Declared & Onsite Emergency Response Activated1989-03-0808 March 1989 PNO-II-89-019:on 890307,Unit 1 Manually Tripped Due to Drop in Pressurizer Level,Increase in Main Steam Line Radiation & Increased Charging Flow Revealed Primary to Secondary Leak. Alert Declared & Onsite Emergency Response Activated PNO-II-89-019A, on 890308,auxiliary Feedwater Initiated to Effected Steam Generator,Backfeeding Primary Sys Through Break.Licensee Will Maintain Alert Condition Until DHR Sys Placed in Svc1989-03-0808 March 1989 PNO-II-89-019A:on 890308,auxiliary Feedwater Initiated to Effected Steam Generator,Backfeeding Primary Sys Through Break.Licensee Will Maintain Alert Condition Until DHR Sys Placed in Svc PNO-II-86-076, on 861015,29 of 53 Sirens Failed to Activate During Annual Emergency Exercise.Siren Sys Encoder Replaced & Radio Transmitters Checked.Further Testing Will Be Performed to Ascertain & Correct Cause1986-10-16016 October 1986 PNO-II-86-076:on 861015,29 of 53 Sirens Failed to Activate During Annual Emergency Exercise.Siren Sys Encoder Replaced & Radio Transmitters Checked.Further Testing Will Be Performed to Ascertain & Correct Cause PNO-II-86-046, on 860726,during Visual Insp of Reactor Vessel Internals,Five Objects Identified Around Baffle Wall.On 860628,w/Westinghouse Assistance,Objects Confirmed to Be Irradiated Fuel Pellets from Broken Fuel Pin1986-07-0101 July 1986 PNO-II-86-046:on 860726,during Visual Insp of Reactor Vessel Internals,Five Objects Identified Around Baffle Wall.On 860628,w/Westinghouse Assistance,Objects Confirmed to Be Irradiated Fuel Pellets from Broken Fuel Pin PNO-II-86-030, on 860414 & 15,one Pressurizer Level Channel Failed & Unidentified Leak Found During Subsequent Containment Entry,Respectively.Gradual Shutdown Started. Repairs Made During Containment Entry1986-04-15015 April 1986 PNO-II-86-030:on 860414 & 15,one Pressurizer Level Channel Failed & Unidentified Leak Found During Subsequent Containment Entry,Respectively.Gradual Shutdown Started. Repairs Made During Containment Entry PNO-II-86-021, on 860310,unit Returned to Operation After Being Out of Svc Since 860307 for Repair of Leaking Sludge Lance Cover on Steam Generator.Unit Operating at 100% Power1986-03-10010 March 1986 PNO-II-86-021:on 860310,unit Returned to Operation After Being Out of Svc Since 860307 for Repair of Leaking Sludge Lance Cover on Steam Generator.Unit Operating at 100% Power PNO-II-85-090, on 850920,false Bomb Threat Reported at Plant.Search Conducted & Empty Briefcase Found1985-09-23023 September 1985 PNO-II-85-090:on 850920,false Bomb Threat Reported at Plant.Search Conducted & Empty Briefcase Found PNO-II-80-049, Safe Energy Alliance Is Planning Forum on 800329 at Park Outside Plant Gate.Group Has Demonstrated Peacefully Before at Plant1980-03-28028 March 1980 PNO-II-80-049:Safe Energy Alliance Is Planning Forum on 800329 at Park Outside Plant Gate.Group Has Demonstrated Peacefully Before at Plant PNO-II-80-021, on 800208,QC Inspectors Qualified for Inspecting Pipe Hangers Terminated for Cheating on Test That Would Have Expanded Expertise.Licensee Expects Employees to Create Media Interest1980-02-0808 February 1980 PNO-II-80-021:on 800208,QC Inspectors Qualified for Inspecting Pipe Hangers Terminated for Cheating on Test That Would Have Expanded Expertise.Licensee Expects Employees to Create Media Interest 1998-06-04 Category:TEXT-INSPECTION & AUDIT & I&E CIRCULARS MONTHYEARIR 05000369/19990061999-10-0404 October 1999
[Table view]Insp Repts 50-369/99-06 & 50-370/99-06 on 990801-0911. Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support IR 05000369/19990051999-08-26026 August 1999 Insp Repts 50-369/99-05 & 50-370/99-05 on 990620-0731.Two Violations Noted Being Treated as Ncv.Major Areas Inspected: Operations,Maint,Engineering & Plant Support IR 05000369/19990041999-07-13013 July 1999 Insp Repts 50-369/99-04 & 50-370/99-04 on 990509-0619.Four Violations of NRC Requirements Occurred & Being Treated as Ncvs.Major Areas Inspected:Aspects of Licensee Operations, Maint,Engineering & Plant Support IR 05000369/19990101999-06-16016 June 1999 Insp Repts 50-369/99-10 & 50-370/99-10 on 990322-26.No Violations Noted.Major Areas Inspected:Aspect of Licensee Health Physics Activities During Unit 2 Refueling Outage IR 05000369/19990031999-06-0202 June 1999 Insp Repts 50-369/99-03 & 50-370/99-03 on 990328-0508. Non-cited Violations Noted.Major Areas Inspected:Operations, Maintenance,Engineering & Plant Support IR 05000369/19990021999-04-23023 April 1999 Insp Repts 50-369/99-02 & 50-370/99-02 on 990214-0327.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000369/19993011999-03-18018 March 1999 NRC Operator Licensing Exam Repts 50-369/99-301 & 50-370/99-301 (Including Completed & Graded Tests) for Tests Administered on 990125-0205.Five SRO & Six RO Candidates Received Written Exams & Operating Tests IR 05000369/19990011999-03-10010 March 1999 Insp Repts 50-369/99-01 & 50-370/99-01 on 990103-0213.No Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support IR 05000369/19980101998-12-18018 December 1998 Insp Repts 50-369/98-10 & 50-370/98-10 on 981004-1121.No Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support IR 05000369/19980091998-10-30030 October 1998 Insp Repts 50-369/98-09 & 50-370/98-09 on 980823-1003.No Violations Noted.Major Areas Inspected:Aspects of Licensee Operations,Maint,Engineering & Plant Support IR 05000369/19980081998-09-21021 September 1998 Insp Repts 50-369/98-08 & 50-370/98-08 on 980712-0822.No Violations Noted.Major Areas Inspected:Aspects of Licensee Operations,Maint,Engineering & Plant Support ML20154C4131998-09-21021 September 1998 Notice of Violation from Insp on 980712-0822.Violation Noted:On or Before 971217,operations Personnel Failed to Designate Appropriate Vent Valves for Venting to Properly Return Sys to Svc as Required by Omp 7-1 IR 05000369/19980111998-08-27027 August 1998 Insp Repts 50-369/98-11 & 50-370/98-11 on 980601-26 & 0805-07.No Violations Noted.Major Areas Inspected:Maint & Engineering Programs.Rept Reviewed Maintenance,Surveillance & Matl Condition of Mcquire,Unit 1 Ice Condenser System IR 05000369/19980071998-08-0707 August 1998 Insp Rept 50-369/98-07 & 50-370/98-07 on 980531-0711. Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support ML20237B1561998-08-0707 August 1998 Notice of Violation from Insp on 980531-0711.Violation Noted:Licensee Failed to Establish Procedural Guidance for Abnormal Vent Path Used for Degassing Unit 1 Volume Control Tank to Environ IR 05000369/19980061998-06-25025 June 1998 Insp Repts 50-369/98-06 & 50-370/98-06 on 980419-0530.No Violations Noted.Major Areas Inspected:Aspects of Licensee Operations,Maint,Engineering & Plant Support IR 05000369/19980041998-06-0404 June 1998 Insp Repts 50-369/98-04 & 50-370/98-04 on 980413-24. Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support PNO-II-98-030, on 980603,loss of Offsite Power Occurred,Due to Loss of 1B Bus.Caused by Faulted 230 Kv Switchyard Current Transformer.Resident Inspectors Onsite & Responded to Event & Will Continue to Evaluate Activities W/Event1998-06-0404 June 1998 PNO-II-98-030:on 980603,loss of Offsite Power Occurred,Due to Loss of 1B Bus.Caused by Faulted 230 Kv Switchyard Current Transformer.Resident Inspectors Onsite & Responded to Event & Will Continue to Evaluate Activities W/Event ML20249A2451998-06-0404 June 1998 Notice of Violation from Insp on 980413-24.Violation Noted: Procedure Investigation Processes 2-M96-1440 & 0-M97-1933 Were Not Initiated within 24 H After Realization That Procedure Investigation Process Should Have Been Written IR 05000369/19980031998-05-18018 May 1998 Insp Repts 50-369/98-03 & 50-370/98-03 on 980308-0418.No Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support ML20216H6051998-04-0606 April 1998 Notice of Violation from Insp on 980125-0307.Violation Noted:Licensee Failed to Adequately Establish or Adhere to Procedural Guidance for Repair of Two safety-related Containment Isolation Valves as Evidenced ML20216H6171998-04-0606 April 1998 Insp Repts 50-369/98-02 & 50-370/98-02 on 980125-0307. Violations Noted.Major Areas Inspected:Operations, Maintenance,Engineering & Plant Support IR 05000369/19970201998-02-23023 February 1998 Insp Repts 50-369/97-20 & 50-370/97-20 on 971214-980124. Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support,Including Review of Radiological Protection Practices & Plant Physical Security ML20203F5921998-02-23023 February 1998 Notice of Violation from Insp on 980105-08.Violations Noted: Licensee Failed to Follow Procedures for Security Badge & Access Control IR 05000369/19980011998-02-17017 February 1998 Partially Withheld Insp Repts 50-369/98-01 & 50-370/98-01 on 980114-15 (Ref 10CFR2.790).No Violations Noted.Major Areas Inspected:Plant Support,Including Malevolent Use of Vehicles at Plant & Vehicle Barrier Sys IR 07100102/20120131998-01-12012 January 1998 Notice of Violation from Insp on 971102-1213.Violation Noted:Inadequate Measures Were Provided for Verification or Checking Adequacy of Design Documents ML20198P3771998-01-12012 January 1998 Insp Repts 50-369/97-18 & 50-370/97-18 on 971102-1213. Violations Noted.Major Areas Inspected:Integrated Insp Included Aspects of Licensee Operation,Maint,Engineering & Plant Support ML20199B1571998-01-0505 January 1998 Notice of Violation from Insp on 971205-06.Violation Noted: an Event Occurred on 971202 in Which Person or Persons Made Credible Threat to Commit or Cause Significant Physical Damage to Power Reactor & Not Reported within One Hour ML20199B1641998-01-0505 January 1998 Insp Repts 50-369/97-19 & 50-370/97-19 on 971205-06. Violations Noted.Major Areas Inspected:Licensee Response to 971202 Event Involving Seal Damage Event at Four Air Lock Doors of Unit 2 Containment Bldg ML20203M4471998-01-0505 January 1998 Errata to Notice of Violation for Insp Repts 50-369/97-19 & 50-370/97-19.Statement in Nov,Page 2, Under Authority of Section 182 of Act.42USC 2232,this Response Shall Be Submitted Under Oath or Affirmation, Was Incorrect IR 05000369/19970171997-12-0101 December 1997 Insp Repts 50-369/97-17 & 50-370/97-17 on 970921-1101.No Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support IR 05000369/19970151997-10-20020 October 1997 Insp Repts 50-369/97-15 & 50-370/97-15 on 970810-0920. Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support ML20198N4701997-10-20020 October 1997 Notice of Violation from Insp on 970810-0920.Violation Noted:On 960420,ET Guidelines,Apps C & E Were Not Implemented as Evidenced By;Resolution Analyst Revised & Overruled Reexam Request for SG 2A Tube R7C60 ML20212A0361997-10-0808 October 1997 Notice of Violation from Insp on 970712-0827.Violation Noted:As of 970717,10 of 48 Ice Condenser Inlet Doors on Unit 2 Required Initial Opening Torque in Ixcess of 675 inch-pound Operability Limit ML20211K9431997-09-26026 September 1997 Notice of Violation from Insp on 970721-26.Violation Noted: Licensee Failed to Follow Procedures for Security Badges & Access Control of Facility IR 05000369/19970121997-09-22022 September 1997 Insp Repts 50-369/97-12 & 50-370/97-12 on 970804-08.No Violations Noted.Major Areas Inspected:Observation & Evaluation of Biennial Emergency Preparedness Exercise ML20211E7981997-09-16016 September 1997 Insp Repts 50-369/97-16 & 50-370/97-16 on 970712-0827. Violations Being Considered for Escalated Eas.Major Areas Inspected:Review of Aspects of Problem Involving Inoperable Unit 2 Ice Condenser Lower Inlet Doors IR 05000369/19970101997-09-0808 September 1997 Insp Repts 50-369/97-10 & 50-370/97-10 on 970629-0809.No Violations Noted.Major Areas Inspected:Operations, Engineering,Maint & Plant Support IR 05000369/19973001997-08-29029 August 1997 NRC Operator Licensing Exam Repts 50-369/97-300 & 50-370/97-300 (Including Completed & Graded Tests) for Test Administered on 970728-31.Exam Results:Five SRO & One RO Passed Exam & One SRO Failed Exam IR 05000369/19970131997-08-22022 August 1997 Insp Repts 50-369/97-13 & 50-370/97-13 on 970721-24.No Violations Noted.Major Areas Inspected:Licensees Program for Compensatory Measures for Degraded Security Equipment ML20217R1161997-08-18018 August 1997 EN-97-076:on 970818,order Prohibiting Involvement in NRC- Licensed Activities for a Period of One Year Will Be Issued. Action Based on Investigation Conducted by Oi,Which Determined Falsification of QA Document PNO-II-97-051, on 970906,McGuire Units 1 & 2 Automatically Tripped.Porvs Utilized Until Steam Dumps Could Be Made Available.Steam Relieved Through Main Steam PORVs Until Power to Bus Kxa Restored & MSIVs Reopened1997-08-0909 August 1997 PNO-II-97-051:on 970906,McGuire Units 1 & 2 Automatically Tripped.Porvs Utilized Until Steam Dumps Could Be Made Available.Steam Relieved Through Main Steam PORVs Until Power to Bus Kxa Restored & MSIVs Reopened ML20149L5751997-07-28028 July 1997 Insp Repts 50-369/97-09 & 50-370/97-09 on 970518-0628. Violations Noted.Major Areas Inspected:Aspects of Licensee Operations,Engineering,Maint & Plant Support ML20149L5701997-07-28028 July 1997 Notice of Violation from Insp on 970518-0628.Violation Noted:Procedure IP/0/A/3250/12B Inadequate to Provide Sufficient Guidance to Properly Test Emergency Diesel Generator Sequencer Logic Circuitry ML20149G6881997-06-16016 June 1997 Insp Repts 50-369/97-08 & 50-370/97-08 on 970406-0517. Violations Noted.Major Areas Inspected:Licensee Operations, Engineering,Maint & Plant Support ML20149G6771997-06-16016 June 1997 Notice of Violation from Insp on 970406-0517.Violation Noted:Procedure PT/1/A/4600/014D Was Inadequate in Providing Sufficient Guidance to Bypass Properly RPS Functions of an Inoperable N-41 Channel to Permit Testing of Channel N-42 IR 05000369/19970071997-06-0202 June 1997 Insp Rept 50-369/97-07 on 970406-0503.Violations Noted.Major Areas Inspected:Sg Replacement Project Activities in Areas of Maint & Engineering IR 05000369/19970041997-05-0505 May 1997 Insp Repts 50-369/97-04 & 50-370/97-04 on 970223-0405. Violations Noted.Major Areas Inspected:Operations, Maintenance,Engineering & Plant Support ML20148B9621997-05-0505 May 1997 Notice of Violation from Insp on 970223-0405.Violation Noted:Prior to 961130,activities Affecting Quality,Not Accomplished in Accordance W/Instructions,Procedures or Drawings IR 05000369/19970051997-04-28028 April 1997 Insp Rept 50-369/97-05 on 970309-0405.No Violations Noted. Major Areas Inspected:Maint,Engineering & Plant Support 1999-08-26 |