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| Issue date | Site | Title | |
|---|---|---|---|
| ML17252B505 | 3 November 2017 | Dresden | LER 77-050/03L-0 for Dresden, Unit 2 Re Local Leak Rate Test of Drywell Personnel Air Lock During Refueling |
| ML17252A326 | 21 October 2017 | Dresden | LER 77-040/03L-0 for Dresden 3 Regarding the Circuit Breaker for Service Water Makeup Valve MO-3-4102 to the Isolation Condenser Found in Off Position |
| ML17252B492 | 28 August 2017 | Dresden | LER 78-028/01X-1 for Dresden, Units 2 and 3 Re NRC Request for Immediate Actions to Be Taken to Mitigate the Potential for a Spurious Closure of a Recirculation Loop Suction Valve with a LOCA Occurring Between the Loop Discharge and Suction |
| ML20079A979 | 5 April 1991 | Browns Ferry | Part 21 Rept Re Failure to Comply W/Purchase Orders When Shipping 12 3000 Socket Weld Unions,Astm B247 Alloy 6061-T6 & Three 150 Pipe Flanges,Astm B62 Cast Brass.Matl Supplied Following Commercial Program |
| ML20059M175 | 24 September 1990 | Calvert Cliffs Fermi Limerick North Anna | Supplemental Part 21 Rept 1 Re Defect in Coltec Industries, Inc Connecting Rod Assemblies Nuts/Bolts on Model 38TD8-1/8 Emergency Generators.Initially Reported on 851120.Nuts/bolts for Assemblies at Stated Plants Inspected & Replaced |
| ML20245C923 | 29 October 1987 | Sequoyah | Forwards Response to Each Unresolved Item Identified During Integrated Design Insp of ERCW Sys Which Must Be Resolved Before Restart of Unit 2,per 871009 Request.Plant Design Sound & Addl Independent Reviews Not Warranted |
| ML20235P612 | 2 October 1987 | Sequoyah | Forwards Response to Request for Addl Info Re Integrated Design Insp,Including Util Position on 14 of 19 Concerns Raised by Integrated Design Insp.Results of Insp in Civil Area Do Not Bring Into Doubt Overall Structural Adequacy |
| ML20238E772 | 10 September 1987 | Sequoyah | Part 21 Rept Re Special high-potential Withstand Tests on Number of Installed 14 Silicone rubber-insulated Single Conductor Cables.Initially Reported on 870904.Evaluation of Silicone Rubber Cable Continuing |
| ML20235H004 | 10 September 1987 | Sequoyah | Part 21 Rept Re Nonconformance of American Insulated Wire Co & Rockbestos Co Silicone rubber-insulated Single Conductor Cables.Initially Reported on 870904.Cause Not Found. Evaluation Continuing |
| ML20206H127 | 8 September 1987 | Comanche Peak | Requests Plan & Schedule for Completing Comanche Peak Review Group Recommendations by 870911 |
| ML20238F112 | 24 August 1987 | Sequoyah | Forwards marked-up Page 28 of Transcript of 870708 Meeting W/Util Re Discussion of Scope of Independent Verification Program |
| ML20237L717 | 21 August 1987 | Sequoyah | Forwards Comments on Plant Revised Cable Test Program. Industry Experience Adequate to Refute TVA Claims.Nrc Agreement W/Test Program Would Establish Lower than Necessary Stds as Precedents for Industry |
| ML20235A215 | 19 August 1987 | Comanche Peak | Forwards Rept of Comanche Peak Review Group for Use in Responding to Chairman 870512 Memo on Facility.Release of Info Scheduled for 870819.Requests That Ta Rehm Be Advised of Plan & Schedule for Responding to COMLZ-87-25 by 870826 |
| ML20237F710 | 3 August 1987 | Callaway | Requests That Listed Pages to Rev 6 of Security Plan Be Inserted & Addl Identified Pages Be Returned,Due to Error. Pages Withheld |
| ML20237G121 | 1 August 1987 | Comanche Peak | Comments on Recent Repts Re Gross Mismanagement at Plant by Util.Placement of Organization on Mailing List to Receive Press Releases & Other Public Repts of NRC Insps & Decisions Re Plant Requested |
| ML20236J935 | 31 July 1987 | Sequoyah | Updates Status of Issues Re Plant Design Calculations Review Discussed in SA White to Jg Keppler,Reflecting Info Discussed in 870521 Meeting.Reasons That Certain Issues Remain Open Discussed |
| ML20195G326 | 29 July 1987 | Forwards long-range CRGR Agenda for Period Through Dec 1988. Review of Agenda Items Scheduled for CRGR Consideration by End of CY88 Requested by 870821.Criteria for Review Listed | |
| ML20235G535 | 10 June 1987 | Sequoyah | Forwards Info Confirming & Supplementing Detailed Presentation at 870521 Meeting Re Commissioner Asselstine 870318 Questions Concerning Programs for Safe Restart.Util Will Cooperate W/Independent Design/Const Verification |
| ML20215F980 | 5 June 1987 | Notification of Contract Execution: NRC Comanche Peak Ofc Complex, Awarded to Texas Utils Electric Co | |
| ML20235A476 | 29 May 1987 | Comanche Peak | Advises That Action on Paragraphs 1 & 2 of Encl Comlz 87-25 Be Withheld Until Further Notice.W/O Encl |
| ML20214L268 | 18 May 1987 | Sequoyah | Informs That Util Nuclear Safety Review Board Reviewed & Accepted Corporate & Facility Nuclear Performance Plans,In Response to Suggestions Raised at 870310 & 0420 Util/Nrc Senior Mgt Team Meetings.Memo Re Plans Encl |
| ML20215K840 | 9 May 1987 | Comanche Peak | Comments on Applicant 870429 Request for Extension of CPPR-127.Hearings Must Be Held to Address Significant Hazards Considerations Prior to NRC Action to Renew Cp. Related Correspondence |
| ML20215L602 | 9 May 1987 | Comanche Peak | Ack Receipt of Util 870429 Application to Extend CP Expiration Date.Same Significant Hazards Considerations That Apply to Unit 1 Also Apply to Unit 2 |
| ML20215J004 | 28 April 1987 | Sequoyah | Provides Addl Info Re Conduct of Open Meeting Between TVA & Nrc,Per Author .Meeting Will Be Expanded to Include All Essential Elements for Unit 2 Restart,Including Nuclear Performance Plan & Design Calculations Review |
| ML20209J115 | 24 April 1987 | Comanche Peak | Requests Response to Concerns Re Status of Const Project & Assurance That Plant Upon Completion Operates in Manner That Does Not Endanger Public Health & Safety |
| ML20214K167 | 1 April 1987 | Comanche Peak | Notification of Contract Execution: NRC Comanche Peak Ofc Complex, Awarded to Texas Utilities Electric Co |
| ML20205Q305 | 23 March 1987 | Forwards Draft Vol 8,Number 6 to NUREG/BR-0051, Power Reactor Events, Covering Nov-Dec 1986.Review & Comments Requested by 870406.W/o Encl | |
| ML20215K078 | 20 March 1987 | LaSalle | Responds to NRC Re Violations Noted in Insp Rept 50-373/87-04.Corrective Actions:Util Will Revise Type a Test Procedure LTS-300-4 to Conform W/Nrr Interpretation in Cw Hehl to C Reed |
| ML20206Q591 | 20 March 1987 | Zion | Responds to Noncompliance Noted in Insp Repts 50-295/86-26 & 50-304/86-26 on 861027-1120 & 870217.Corrective Actions: Supplemental Work Instructions Will Be Attached to Work Request & Diesel Generator Procedures Reviewed & Rewritten |
| ML20204H356 | 9 March 1987 | Braidwood | Forwards Response to Violations Noted in Insp Rept 50-456/87-02 on 870105-09.Encl Withheld |
| ML20207T277 | 6 March 1987 | Byron | Ro:On 870210,diesel Generator 1A Experienced Valid Test Failure.Caused by Failure of Check Valve to Supply Day Tank in Event That Check Valve Fails to Seat.Addl Soft Seat Check Valve Installed Between Engine & Supply Day Tank |
| U-600849, Provides Rept on Completion of IE Bulletin 85-003, Motor- Operated Valve Common Mode Failures During Plant Transients Due to Imppropoer Switch Settings, Per Bulletin Item F. Correct Switch Settings Determined & Adjusted | 2 March 1987 | Clinton | Provides Rept on Completion of IE Bulletin 85-003, Motor- Operated Valve Common Mode Failures During Plant Transients Due to Imppropoer Switch Settings, Per Bulletin Item F. Correct Switch Settings Determined & Adjusted |
| ML20215J786 | 27 February 1987 | Byron | Forwards Comments on SALP 6 Board Repts 50-454/87-01 & 50-455/87-01.Util Notifications Consistent W/Requirements Re Inoperability of Process Computer & Subsequent Loss of Emergency Assessment |
| ML20237L725 | 27 February 1987 | Reaffirms That Two Paths Exist to Grant Relief from Tech Spec Limiting Conditions for Operation That Would Unnecessarily Require Shutdown or Delay Startup Absent Some Relief.Roles of NRR & Regions Clarified | |
| ML20212K932 | 27 February 1987 | Byron | Special Rept;On 870215,wide-range Noble Gas Monitor Taken Out of Svc for Mod to Demonstrate Capability to Test for Radioiodine,Per TMI Action Plan Item II.F.1.Mod Scheduled for Completion by mid-Mar 1987 |
| U-600851, Submits Addl Info Revising 870106 Response to Violations Noted in Insp Rept 50-461/86-65.Corrective Actions: Procedural Controls Will Be Provided by 870327 to Define Authorization for Select Evolutions W/Verbal Approval | 26 February 1987 | Clinton | Submits Addl Info Revising 870106 Response to Violations Noted in Insp Rept 50-461/86-65.Corrective Actions: Procedural Controls Will Be Provided by 870327 to Define Authorization for Select Evolutions W/Verbal Approval |
| ML20235H584 | 25 February 1987 | Dresden Byron Braidwood Quad Cities Zion LaSalle 05000000 | Forwards Rev 44 to QA Program for Nuclear Generating Stations, Reflecting Organization,Title & Quad Cities ASME Survey Changes |
| ML20212K434 | 24 February 1987 | LaSalle | Responds to Violations Noted in Insp Repts 50-373/86-40 & 50-374/86-40.Corrective Actions:Instrument Maint Technicians Returned Pressure Switch to Operable Status within 2 H,Per Tech Spec 3.3.2.b |
| ML20212K912 | 23 February 1987 | LaSalle | Special Rept:Fire Detection Zone 2-2 Removed from Svc to Prevent Spurious Zone Fire Alarms Due to Extensive Welding & Cutting.Caused by Primary Containment Vent & Purge Valve Design Mod Const.Hourly Fire Watch Patrol Established |
| ML20207R084 | 23 February 1987 | Braidwood | Forwards Supplemental Response to Open Item Noted in Insp Repts 50-456/86-45 & 50-457/86-33 on 860818-1022. Inaccessibility of Control Room to NRC Inspectors Attributed to Temporary Const & Scaffolding.Obstructions Removed |
| ML20212H444 | 23 February 1987 | LaSalle | Responds to NRC Re Violations Noted in Insp Repts 50-373/86-45 & 50-374/86-45.Corrective Actions: Expired Reagent Disposed of & Fresh Reagent Prepared on 861210.Insp Performed for Other Expired Reagents |
| U-600842, Forwards Rev to Physical Security Plan,Per 10CFR50.54(p). Summary of Changes Encl.Rev Withheld | 23 February 1987 | Clinton | Forwards Rev to Physical Security Plan,Per 10CFR50.54(p). Summary of Changes Encl.Rev Withheld |
| ML20212K862 | 23 February 1987 | LaSalle | Special Rept:On 870129,fire Damper Found to Be Installed Upside Down & Declared Inoperable.Fire Damper Installed Incorrectly During Const.Hourly Fire Watch on at Least One Side of Assembly Established & Work Request Initiated |
| ML20214F323 | 20 February 1987 | Byron | Responds to NRC Re Violations Noted in Insp Rept 50-455/86-46.Corrective Actions:Complete & Thorough Walkdown Conducted of Piping Sys Assoc W/Unit 1 & Unit 2 Flow Transmitters FT-RH001 & FT-RH002 |
| ML20207T601 | 20 February 1987 | Byron | Responds to NRC Re Violations Noted in Insp Repts 50-454/86-45 & 50-455/86-41 on 861018-1114.Corrective Actions:Proper Method of Performing Safety Evaluations Disseminated.Reconsideration of Violations Requested |
| ML20211L361 | 19 February 1987 | Forwards,For Review & Comment,Draft NUREG/BR-0051, Power Reactor Events, Vol 8,Number 5,for Sept-Oct 1986.Comments Requested by 870309 | |
| ML20212D558 | 17 February 1987 | La Crosse | Responds to NRC Re Violations Noted in Insp Rept 50-409/86-18.Corrective Actions:Walkdown of HPCS Piping Performed,Appplicable Design Drawings Revised & New Drawings Generated to Accurately Reflect as-built Conditions |
| ML20211N534 | 17 February 1987 | Fermi | Discusses Mutual Concerns Re Reportability of Incidents to Nrc.Methods to Improve Candor & Forthrightness Also Discussed,Per Recent Notice of Violation Concerning Rod Pull Error.Related Info Encl |
| ML20212K404 | 17 February 1987 | Zion | Notifies That Inservice Insp Scheduled to Begin mid-Mar 1987 & Completed by mid-June 1987.Insps Will Include Volumetric, Surface & Visual Insps of ASME Class 1,2 & 3 Components & Eddy Current Testing of Steam Generators |
| ML20212B356 | 17 February 1987 | LaSalle | Special Rept:Fire Detection Zones 2-16 & 2-16P Will Be Removed from Svc as Precaution to Prevent Spurious Zone Fire Alarms Due to Extensive Welding & Cutting in Areas.Subj Zones Will Be Out of Svc Through First Refueling Outage |