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 Issue dateTitleTopic
ML19317D72522 June 1972Preliminary Notice of Possible Deficiency Pending Results of Investigation Re Pencil Marks on X-ray Film of Pipe Welds Obscuring True Penetrameter Reading
ML19323G13725 April 1980Interim Deficiency Rept Re Primary Containment Relief Valves Potential Significant Deficiency.Determination of Corrective Action Scheduled for 800522
ML19323G42323 May 1980Second Interim Rept Re Potential Deficiency in Primary Containment Relief Valves.Initial Analysis Indicates Hinge Block Mounting Studs Inadequate.Revised Analysis by 800630
ML19326A7384 February 1974Deficiency Rept Re Potential to Exceed Safety Limitations Prior to Revision of Specific Heat Curve for U Dioxide Fuel Utilized in Some Transient Computer Codes.Tech Spec Mods & re-analyses Per ECCS Acceptance Criterion to Be Initiated
ML19330B28125 June 1980Potential Significant Deficiency Rept Re Primary Containment Relief Valves Supplied by Gpe Controls.Bechtel Has Completed Review of Revised Stress Analysis Calculations.Expected Completion Date of Actions Is 800815
ML19332A6742 September 1980Part 21 Rept Re Con/Chem Epoxy Surfacer Sys.Suppls 800812 Ltr Re Subj Item Reported by Bechtel Power Corp.Will Advise of Schedule Dates of Completion When Bechtel Engineering Studies Finalized
ML19332C58320 November 1989Part 21 Rept Re Misapplication of Magnetrol Level Switches Supplied by GE W/Hpci & RCIC Turbine Assemblies.Switches Declared Inoperable & Electrically Disconnected.Magnetrol Will Modify Spare Level Switch Assemblies
ML19337B34520 August 1980Interim Deficiency Rept Re Primary Containment Relief Valves Supplied by Gpe Controls.Bechtel Review Showed Calculation Assumptions Re Seismic Analysis Require Further Vendor Justification.Next Rept by 801024
ML19340D88024 October 1980Interim Deficiency Rept Re Primary Containment Relief Valves at Facility,Initially Reported on 800326.Expected Conclusion of Investigation Has Been Postponed Until 801205
ML19340E1323 December 1980Significant Deficiency Rept,Originally Reported on 800326, Re Primary Containment Vacuum Relief Valves.Concludes That Subj Bolting Is Designed within Appropriate Stress Allowables & Conforms W/Spec 10855-M-150(Q)
ML19343A65410 November 1980Interim Deficiency Rept,Originally Reported on 801009,re Two Class 2 Carbon Steel Pipes Supplied by Labarge Inc Lacking Radiography of Longitudinal Weld Seam.Matl Returned to Labarge.Next Rept to Be Submitted on 801209Nondestructive Examination
ML19343A66112 November 1980Deficiency Rept Suppl,Originally Reported on 801010,re Spool Weld Buildup Insufficient Exam.Bechtel Power Corp Currently Determining Corrective Actions.Reportability Determination Will Be Completed by 801212
ML19343B44010 December 1980Interim Deficiency Rept Re Two Pieces of Carbon Steel Pipe Found to Be Lacking Radiography of Longitudinal Weld Seam. Investigation Expected to Be Completed 810123 Instead of 801209
ML19344B4426 October 1980Part 21 Rept Re Use of Con/Chem Coating Sys in Safety Related Areas.Provides Clarified Statement Re Item 6 of Previous Ltr
ML19344D77814 March 1980Interim Deficiency Rept Re Discrepancy in Procurement of Weld Wire.Pittsburgh Des Moines Has Completed Repair of Stiffeners Where Coupons Were Removed & Removal & Rewelding of Seams of Heat I.D. A8913
ML19344E98312 August 1980Part 21 Rept Re Epoxy Surface Sys Whose Qualification Is Indeterminable Due to Conflicting Data in Qualification Test Repts & Data Not Supported by Actual Test Results. Investigation Is Continuing
ML19344F2667 August 1980Interim Rept Re Potential Significant Deficiency of Biological Shield Supplied by Px Engineering Co.Bechtel Currently Conducting Investigation of Documentation & Effecting re-examination Where Appropriate
ML19347B5122 September 1980Interim Rept Re Con Chem Epoxy Surfacer Sys Potential Significant Deficiency.Duplicate Reportability Is Satisfied by Bechtel Power Corp 800728 Ltr to Nrc.Resolution & Schedule Will Be Submitted Pending Engineering Evaluations
ML19347C86029 December 1980Final Rept Re Potential Significant Deficiency of Subassembly of Biological Shield,Initially Reported 800701. Item Found Not Reportable
ML19347E1654 March 1981Interim Deficiency Rept Re Spool Weld Buildup Insufficient Exam,Initially Reported on 801010.One Buildup on Diesel Fuel Tank Vent Line,Previously Thought Inaccessible,Located in Const Joint & Successfully Examined
ML19351F75719 December 1980Interim Deficiency Rept Re Insufficient Examination of Spool Weld Buildup,Initially Reported 801010 to J Mattia.Six Pipes Cannot Be Examined Due to Inaccessibility.Completion Date Scheduled for 810227
ML20002A18815 September 1980Second Interim Deficiency Rept Re 800701 Notification of Incomplete Documentation for Biological Shield Wall Insp. Bechtel Performed Ultrasonic Survey of Outer Shell to Base Plate Weld & Plate
ML20003A37714 January 1981Interim Deficiency Rept,Originally Reported on 801217,re Structural Design Deficiency in Reactor & Auxiliary Bldgs. As-built Bracket Stiffener Plates Must Be Modified to Satisfy Design Criteria.Will Submit Final Rept by 810831
ML20003A42512 November 1980Interim Deficiency Rept Re Insufficient Examination of Spool Weld Buildup,Reported 801010.Re-examination of Pipes Cannot Be Done by Conventional Methods Due to Inaccessibility. Determination of Reportability Expected by 801212
ML20003A43918 November 1980Interim Deficiency Rept Re Lack of Weld Insp & Nondestructive Examination Documentation for Quality Verification for Biological Shield Lower Subassembly Supplied by Px Engineering, Initially Reported 801204Nondestructive Examination
ML20003C3583 December 1980Final Deficiency Rept Re Potential Significant Deficiency in Primary Containment Relief Valves Supplied by Gpe Controls,Initially Reported on 800326.Condition Found Not Reportable
ML20003D09427 January 1981Final Potential Significant Deficiency Rept Re Pipe SA-155 Kc 70,initially Reported on 801009.Pipe Acceptable as Delivered & Not Reportable Per 10CFR50.55e.Pipe Seam Porosity Repaired
ML20008G12616 June 1981Part 21 Rept Re Potential Problem W/Overcurrent Relays ITE-50H & ITE-50D Series Produced from 1976 to Oct 1980. Relays May Not Drop Out Upon Reduction in Current.Company Taking Steps to Notify Relay Users
ML20009D92114 July 1981Interim Deficiency Rept,Originally Reported on 801030,re Inadequate Nondestructive Exam of Spool Weld Buildup by Supplier.Vendor Has Completed Pipe Repairs.Indications Found to Be Harmless.Problem No Longer Deemed ReportableNondestructive Examination
ML20010C96010 August 1981Final Deficiency Rept Re Potentially Reportable Const Deficiency Involving Acme Embeds,Initially Reported 810422. Item Found Not Reportable Per 10CFR50.55E
ML20028D66111 January 1983Interim Potential Const Deficiency Rept Re Emergency Diesel Generator O Rings.Initially Reported on 821213.Colt Industries Reported Potential Problem If Cooling Sys Contaminated W/Diesel Fuel.Also Reportable Per Part 21
ML20028F49518 January 1983Interim Deficiency Rept Re Grout Intrusion Into Drywell Airgap.Initially Reported on 820920.Grout Will Be Removed by 830225
ML20038B51025 November 1981Interim Deficiency Rept Re Effect of Recent Seismic Reanalysis Data on Seismic Qualification of Certain Equipment.Bechtel,Eds Nuclear & Util Conducting Addl Tests to Be Completed by 820615
ML20039C07915 December 1981Interim Deficiency Rept Re Swing Check Valves in HPCI & Reactor Core Isolation Cooling Turbine Exhaust Lines, Initially Reported 811117.Manufacturer to Supply Hardware for Field Mod of Unit 1 Valves & to Modify Unit 2 ValvesAnchor Darling
ML20044G53126 May 1993Suppl to 921207 Part 21 Rept Re Declutch Sys Anomaly in Certain Types of Valve Actuators Supplied by Limitorque Corp.Limitorque Designed New Declutch Lever Which Will Be Available in First Quarter 1993Stroke time
ML20046C6595 August 1993Part 21 Rept:On 930429,deficiency Identified Re Heat Damage to Comsip Series PTW-5300 Dc Powered Microswitches.Initially Reported on 930709.Safety-related Dc Microswitches Will Be Replaced Prior to 931230
ML20054C4691 April 1982Part 21 Rept Re Hma Relays W/Contact Leads Not Fully Insulated,Initially Reported 810708.No Operating BWRs Utilize Subj Hma Relays.All Potential Problems Will Be Corrected Before Startup
ML20054J20011 June 1982Final Deficiency Rept Re Auxiliary Bldg Seismic Analysis. Results of Oct 1981 Auxiliary Bldg Seismic Analysis Inconsistent w/1975 Analysis.Caused by Methodological Difference.Revised Spectra Curves to Be Used for Equipment
ML20054J33210 June 1982Interim Deficiency Rept Re Diesel Generator Bolt Torquing, Initially Reported on 820514.Verification of Requisite Torque Valves on Generator S/N 700510R1 Pending Availability of Manufacturer Representatives
ML20056D70715 July 1993Part 21 Rept Re Reportable defect-75 PSIG Relief Check Valve 1 Npt,Emd 9521844,Kepner 416C-1-75
ML20057G1517 October 1993Part 21 Rept Re Westronics Model 2100C Series Recorders. Informs That Over Several Tests,Observed That Recorder Would Reset During Peak Acceleration & Door Being Forced Off Recorder.Small Retaining Clips Added to Bottom of Door
ML20058J04029 July 1982Interim Significant Const Deficiency Rept Re Hpci/Reactor Core Isolation Cooling Exhaust Check Valves.Initially Reported on 811117.Bechtel Analysis Indicates Potential Valve Failure.Next Rept Expected 820915
ML20059F2637 January 1994Part 21 Rept Re Air Start Distributor Cam Mfg by Fairbanks Morse.Mfg Suggests That Site Referenced in Encl App I Inspect Air Start Distributor Cam as Soon as Practical
ML20059H77217 January 1994Part 21 Rept Re Virginia Power Notifying Fairbands Morse Via Failure Analysis Rept NESML-Q-058 of Defective Air Start Distributor cam,16104412
ML20062H3222 August 1982Interim Deficiency Rept Re Deleterious Effects Corrosion Inhibitors Have on Solder Used to Stake Locking Nuts on Thermostatic Valve Override Assemblies.Initially Reported on 820702.Final Rept Expected by 820924
ML20063B81913 August 1982Final Significant Const Deficiency Rept Re Torque Values of Stud to Nut Combinations Securing Spider Assembly in Diesel Generator.Initially Reported on 820514.Matter Not Reportable Per 10CFR50.55(e)
ML20063C20012 August 1982Interim Deficiency Rept Re Degraded Reactor Coolant Pump Closure Studs.Initially Reported on 820804.Investigation of Incident & Preparation of Rept Incomplete Due to Difficulty in Removing Affected Studs.Next Rept Expected by 820901
ML20063M1702 March 1994Part 21 Rept Clarifying & Supplementing Info Provided by Licensee Re Deficiency in Qualified Life Calculation for Microswitches Mfg by Comsip,Inc. Subj PTW-5300 Dc Indicators Supplied by Comsip,Inc,Mfg by Microswitch Corp
ML20063N57313 September 1982Significant Const Deficiency Rept Re Hpci/Reactor Core Isolation Cooling Exhaust Check Valves.Initially Reported on 811117.Existing Swing Check Valves Modified Rather than Replaced w/lift-type Check ValvesAnchor Darling
ML20064F33527 December 1982Interim Deficiency Rept Re Cracking in Control Rod Driveline Housing Welds Due to Const Error in Root Welds.Initially Reported on 821124.Affected Welds Ground Out,All Weld Metal Removed & Correct Weld Filler Matl ReinstalledLiquid penetrant
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