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Issue date | Title | Topic | |
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ML19343A661 | 12 November 1980 | Deficiency 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 | |
ML19343B440 | 10 December 1980 | Interim 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 | |
ML19344B442 | 6 October 1980 | Part 21 Rept Re Use of Con/Chem Coating Sys in Safety Related Areas.Provides Clarified Statement Re Item 6 of Previous Ltr | |
ML19344D778 | 14 March 1980 | Interim 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 | |
ML19344E983 | 12 August 1980 | Part 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 | |
ML19344F266 | 7 August 1980 | Interim Rept Re Potential Significant Deficiency of Biological Shield Supplied by Px Engineering Co.Bechtel Currently Conducting Investigation of Documentation & Effecting re-examination Where Appropriate | |
ML19347B512 | 2 September 1980 | Interim 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 | |
ML19347C860 | 29 December 1980 | Final Rept Re Potential Significant Deficiency of Subassembly of Biological Shield,Initially Reported 800701. Item Found Not Reportable | |
ML19347E165 | 4 March 1981 | Interim 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 | |
ML19351F757 | 19 December 1980 | Interim 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 | |
ML20002A188 | 15 September 1980 | Second 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 | |
ML20003A377 | 14 January 1981 | Interim 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 | |
ML20003A425 | 12 November 1980 | Interim 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 | |
ML20003A439 | 18 November 1980 | Interim Deficiency Rept Re Lack of Weld Insp & Nondestructive Examination Documentation for Quality Verification for Biological Shield Lower Subassembly Supplied by Px Engineering, Initially Reported 801204 | Nondestructive Examination |
ML20003C358 | 3 December 1980 | Final Deficiency Rept Re Potential Significant Deficiency in Primary Containment Relief Valves Supplied by Gpe Controls,Initially Reported on 800326.Condition Found Not Reportable | |
ML20003D094 | 27 January 1981 | Final 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 | |
ML20005G439 | 10 January 1990 | Provides Addl Info on Part 21 Rept Re Defect in Six Instrument Cracks.Licensee Will Not Assume Liability for Defects After Expiration of Warranty | |
ML20005G683 | 5 January 1990 | Part 21 Rept Re Installation Instructions for Grommet Use Range for Patel Conduit Seal P/N 841206.Conduit Seals in Environ Qualification Applications Inspected for Proper Wire Use Range & Grommets Replaced | |
ML20008G126 | 16 June 1981 | Part 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 | |
ML20009D921 | 14 July 1981 | Interim 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 Reportable | Nondestructive Examination |
ML20010B674 | 31 July 1981 | Deficiency Rept Re Potential Defect W/Tornado Venting Sys. Inhouse Assessment Will Be Completed by 810910.Also Reported Per Part 21 | Safe Shutdown |
ML20010C960 | 10 August 1981 | Final Deficiency Rept Re Potentially Reportable Const Deficiency Involving Acme Embeds,Initially Reported 810422. Item Found Not Reportable Per 10CFR50.55E | |
ML20028D661 | 11 January 1983 | Interim 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 | |
ML20028F495 | 18 January 1983 | Interim Deficiency Rept Re Grout Intrusion Into Drywell Airgap.Initially Reported on 820920.Grout Will Be Removed by 830225 | |
ML20028H353 | 13 December 1990 | Part 21 Rept Re Cable Assemblies Failing to Meet IEEE-383 Section 3 Flammability Tests.Results of Tests Conducted on 901206 Encl.Corrective Actions Include Applying Flame Retardant Covering to Cable or Cable Replacement | |
ML20038B510 | 25 November 1981 | Interim 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 | |
ML20039C079 | 15 December 1981 | Interim 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 Valves | Anchor Darling |
ML20046C659 | 5 August 1993 | Part 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 | |
ML20054C469 | 1 April 1982 | Part 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 | |
ML20054J200 | 11 June 1982 | Final 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 | |
ML20054J332 | 10 June 1982 | Interim 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 | |
ML20058J040 | 29 July 1982 | Interim 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 | |
ML20062H322 | 2 August 1982 | Interim 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 | |
ML20063B819 | 13 August 1982 | Final 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) | |
ML20063M170 | 2 March 1994 | Part 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 | |
ML20063N573 | 13 September 1982 | Significant 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 Valves | Anchor Darling |
ML20064F335 | 27 December 1982 | Interim 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 Reinstalled | Liquid penetrant |
ML20064J580 | 8 November 1982 | Part 21 Rept Re Matl That May Not Be in Compliance W/ 10CFR50,App B,Section Viii Requirements.Matl Supplied to Ne Public Power District & Omaha Public Power District.Qa Depts Contacted Re Resolution of Nonconformance Situation | |
ML20065S277 | 20 October 1982 | Interim Deficiency Rept Re Grout Intrusion Into Drywell Airgap.Initially Reported on 820920.Fiberoptics Used for Identification,Map Intrusion & Laitance.Hydrolaser Removal of Grout Intrusions & Other Removal Methods Researched | |
ML20065S316 | 21 October 1982 | Interim Significant Const Deficiency Rept Re Limitorque Valve Operators.Initially Reported on 810619.Instructions for Operator Insp & Rework Will Be Included in Cable Termination Work Procedure Scheduled for Issuance by 821231 | |
ML20069F682 | 15 September 1982 | Final Significant Const Deficiency Rept Re Corrosion Inhibitor Effects on Solder Used to Stake Locking Nuts on Thermostatic Valve Override Assemblies.Initially Reported on 820702.Locking Nuts Fitted W/Swaged Locking by 821126 | Safe Shutdown |
ML20069Q223 | 29 November 1982 | Deficiency Rept Re Significant Const Deficiency Underestimated Annulus Pressurization Loads.Initially Reported on 821028.Independent Technical Review of Design Calculations Performed | Safe Shutdown |
ML20071A869 | 15 February 1983 | Part 21 Rept Re Possible Thermostatic Valve Malfunction fail-safe to Full Cooling Position in Emergency Diesel Generators.Lower Overrun Assemblies Replaced W/Assemblies Utilizing Cotter Pins to Lock Nut to Stem | |
ML20071B579 | 15 February 1983 | Significant Const Deficiency Rept Re Emergency Diesel Generators.Initially Reported on 821213.Inadvertent Contamination W/Diesel Fuel by Elastomer Seal (O Ring), Resulted in Binding or Malfunction.Elastomer Seals Removed | Safe Shutdown |
ML20071C977 | 24 February 1983 | Interim Deficiency Rept Re Const of Scribed Lines on Small Bore Piping Used in Gauging Socket Weld Locations.Initially Reported on 830124.Investigation Underway.Final Rept to Be Submitted by 830430 | |
ML20071F005 | 28 February 1983 | Interim Deficiency Rept Re Defective Spot Welds in Four Class IE Termination Cabinet Assemblies.Initially Reported on 830125.Defective Cabinets Reworked by Bailey Controls Co.Final Rept Will Be Submitted by 830430 | |
ML20071J527 | 26 July 1994 | Part 21 Rept Re Ohmite Model CU1021 & CU1031 Potentiometers Model CS-1 Switches Supplied by Abb C-E.Verified That Potentiometers/Switches Combinations Not Installed at FCS in Location Which Could Have Adverse Safety Implication | |
ML20072N089 | 30 June 1983 | Interim Deficiency Rept Re Possible Lack of Heat Treatment on Stainless Steel Flanges Mfg by Tube-Line Corp.Initially Reported on 830601.Affected Flanges Removed from Svc. Bechtel Providing Analysis.Next Rept by 830815 | |
ML20072R215 | 21 March 1983 | Interim Significant Const Deficiency Rept Re Use of Fiber Shims,Poor Wiring Practices & Use of Unqualified Electrical Components on Limitorque Valve Operators.Initially Reported on 810619.Defects Will Be Reworked Per Procedure SWP/P-E-18 | Safe Shutdown |
ML20073E174 | 31 March 1983 | Significant Const Deficiency Rept Re Use of Incorrect Weld Filler Matl by GE in Root of Welds Connecting Control Rod Drive Housing to Reactor Pressure Vessel Stub Tools. Initially Reported Verbally on 821124 | Liquid penetrant |