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| Issue date | Title | Topic | |
|---|---|---|---|
| ML19305E443 | 18 March 1980 | Final Deficiency Rept Re Switchgear Breaker Position Switch Operator Defect.All 33 Breaker Switch Operators Have Been Replaced W/More Rigid Design Assemblies | |
| ML19305E631 | 28 April 1980 | Final Rept on Deficiency Re Unsatisfactory Impact Tests on Pipe Penetration Assemblies 3 & 4 Supplied by Associated Piping & Engineering Corp.Matl Returned to Vendor for Mod &/Or Replacement.Test Results Now Acceptable | Hydrostatic |
| ML19308A222 | 29 December 1978 | Addl Interim Report of Significant Const Deficiency 9, Noncompliance to Welding Requirements for HVAC Seismic Support Hanger to Embedded Plates. in Addition to Immediate Corrective Actions,Hanger to Plate Welds Are Being Repaired | Nondestructive Examination Liquid penetrant |
| ML19309A794 | 18 March 1980 | Final Rept of Significant Deficiency 11,re Switchgear Breaker Position Switch Operator defect.Thirty-three Breaker Position Switch Operators Replaced W/Newly Designed GE Assemblies.Operators Have Guides Preventing Bending | |
| ML19309B897 | 31 March 1980 | Final Deficiency Rept Re Noncompliance to Welding Requirements for Heating,Ventilation & Air Conditioning Seismic Support Hanger to Embedded Plates.All Affected Welds Repaired & Insps Documented for QA Files | Time of Discovery |
| ML19309C849 | 11 February 1980 | Interim Deficiency Rept Re Surface Indication on Reactor Pressure Vessel.Grinding Rework to Investigate Indication Will Commence 800215 & Be Completed by 800228 | |
| ML19309F201 | 8 April 1980 | Final Rept of Significant Const Deficiency 13 Re Defects in Containment Bldg Dome Concrete.Caused by Improper Random Vibration Due to Vibrators That Were Inadequate in Size & Number.Qualified Job Superintendent Will Be Provided | |
| ML19309F928 | 8 April 1980 | Supplementary Deficiency Rept Re AH90 & NH90 Series Actuators Supplied by Itt General Controls.Itt General Control Will Supply Actuator Force Values & Torque & Damper Torque Values Will Be Compared.Customer List Encl | |
| ML19309G372 | 30 April 1980 | Final Rept of Significant Const Deficiency 14 Re Unsatisfactory Impact Tests on Pipe Penetration Assemblies 3 & 4.Cause Not Stated.Scope of QC Personnel Indoctrination Increased Re Emphasis on Preparation of Qc/Qa Records | Hydrostatic |
| ML19309G766 | 2 May 1980 | Potential Significant Deficiency Rept Re Discrepancy in Procurement of Weld Wire.Wire Used in post-weld,heat-treated Weldments Was Tested for Only as-welded Condition | |
| ML19309G793 | 18 April 1980 | Final Rept of Significant Const Deficiency 14 Re Unsatisfactory Impact Tests on Pipe Penetration Assemblies. QC Training Program Provides More Emphasis on Preparation of Qc/Qa Records.Penetration Assemblies Were Returned | Hydrostatic |
| ML19309H951 | 15 May 1980 | Interim Deficiency Rept 3 Re post-tensioning Anchorhead Failure.Acceptance Criteria Being Developed by Inryco,Inc to Establish Acceptability of Replacement Anchorheads.Testing Completed by 800630,w/final Rept Submitted at That Time | |
| ML19318A051 | 10 June 1980 | Final Deficiency Re Loose Control Element Drive Mechanism Guide cones.C-E Secured & Tightened Each Guide Cone to 60 Ft Lb Torque Value.Completed Spot & Tack Welds Visually Inspected & Approved | |
| ML19318D238 | 2 July 1980 | Interim Rept of Significant Const Deficiency 17 Re Base Metal Defects in Main Steam & Feedwater Containment Penetration Anchors.Evaluation Underway to Establish Repair Techniques.Final Rept Will Be Forwarded by 810301 | |
| ML19320A601 | 27 June 1980 | Final Significant Const Deficiency Rept 16 Re Control Element Drive Mechanism Guide Cones & Penetration Assemblies Interface.Offset Condition Exists Which Could Produce Interference on Control Assembly Shaft | Liquid penetrant |
| ML19320A802 | 27 June 1980 | Interim Deficiency Rept Re Failure of post-tensioning Anchorheads.Generally Concurs W/Inryco 800530 Rept.All Category B Heat Treat Lots Will Be Tested.Replacement Anchorheads from Accepted Heat Treat Lots Will Be Installed | |
| ML19321A896 | 8 July 1980 | Interim Part 21 Rept Re Defective Itt Actuators in Dampers. Customer Notification Encl.Jobs Classified Nonnuclear safety-related Are Not Reportable.Actuators Supplied for Other Jobs Are Considered Purchaser Responsibility | |
| ML19322A157 | 27 December 1978 | Bolted Connections That Connect Horizontal Channel Sections of the Termination Subassembly to the Header Mounting Brackets Were Loose or Disengaged.Termination sub-assembly Connections Were Redesigned to Use Welded Pemnuts | |
| ML19323D529 | 31 March 1980 | Final Rept of Significant Const Deficiency 9,re Welding of Heating,Ventilation & Air Conditioning Seismic Support Hangers to Embedded Plates.Caused by Engineering Error. Contractor Initiated Repairs for Hanger to Embedded Plates | Time of Discovery |
| ML19323F819 | 21 May 1980 | Final Const Deficiency Rept 5 Re Impeller Shaft Retaining Mechanism Failure in Low Presssure Safety Injection Pumps, Discovered on 780216.Exact Cause Not Known But May Be Due to Gasket Deterioration.Locking Devices Modified | |
| ML19323G137 | 25 April 1980 | Interim Deficiency Rept Re Primary Containment Relief Valves Potential Significant Deficiency.Determination of Corrective Action Scheduled for 800522 | |
| ML19323G423 | 23 May 1980 | Second Interim Rept Re Potential Deficiency in Primary Containment Relief Valves.Initial Analysis Indicates Hinge Block Mounting Studs Inadequate.Revised Analysis by 800630 | |
| ML19323J158 | 10 June 1980 | Final Rept of Significant Const Deficiency 7 Re Loose Control Element Drive Mechanism Guide cones.C-E Completed Corrective Repairs During Wk Ending 800315.Guide Cones Were Firmly Locked in Place,Torqued & Spot Welded | |
| ML19325C952 | 29 September 1989 | Part 21 Rept Re Potential Common Failure of SMB-000 & SMB-00 Cam Type Torque Switches Supplied Prior to 1981 & 1976. Vendor Recommends That Switch W/Fiber Spacer Be Replaced | |
| ML19325E086 | 16 October 1989 | Followup Part 21 Rept Re Class 1E Battery Chargers W/ Transformers Running at Temps Exceeding Those Used in Qualification Rept When Operating at or Near Full Load Rating of Equipment.Listed Corrective Actions Underway | |
| ML19330A377 | 20 June 1980 | Part 21 Report Re Installed Tech-Sil,Inc Matls Containing 5% Gel Which Cannot Be Traced in Original Formulation.Cause Not Stated.Unused Matl Has Been Returned to Vendor. Noncompliance Rept 9 Encl | |
| ML19330A614 | 23 July 1980 | Deficiency Rept Re Intermittent Contact Operation of W-2 Switch.Util Will Not Implement Interim Fix Unless No Permanent Solution Is Available Prior to Fuel Load.Util Will Monitor Westinghouse Recommendations | |
| ML19330A797 | 20 June 1980 | Part 21 Rept Re Potential Interference in Full Function of Bergen-Paterson Strut Assembly W/Pacific Scientific Co Mechanical Shock Arrestor.Customers Will Be Notified of Affected Items & Recommended Solution | |
| ML19330B281 | 25 June 1980 | Potential 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 | |
| ML19330B664 | 31 July 1980 | Final Deficiency Rept for Significant Const Deficiency 15 Re Procedural & Performance Deficiencies in Ultrasonic Testing of Structural Welds.Caused by Mfg Procedural & Ebasco ASME Insp Deficiencies.Mfg & Insp Responsibilities Established | Coatings |
| ML19332A674 | 2 September 1980 | Part 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 | |
| ML19332C583 | 20 November 1989 | Part 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 | |
| ML19337A670 | 19 September 1980 | Final Interim Deficiency Rept Re MSIV Leakage Control Sys E32 Being installed.E23 Equipment Cannot Meet Functional Requirements to Relieve Steamline Pressure.Mods Being Implemented & Will Be Completed Prior to Fuel Load | |
| ML19337B345 | 20 August 1980 | Interim 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 | |
| ML19338C789 | 29 August 1980 | Deficiency Rept Re Cracking Problem in Electrical Wiring Conduit.Caused by Overbending Below Original Published Min Inside Bend Diameters.Will Replace Conduits Installed at Bend Diameters Below Min Inside Bend Diameter | |
| ML19338E950 | 1 October 1980 | Rept on Significant Const Deficiency 18 Re Flexible Liquid Tight Wiring Conduit Covering Failure (Anaconda).Deficiency Under Evaluation.Rept Will Be Submitted by 801017 | |
| ML19339A172 | 2 October 1980 | Interim Deficiency Rept Re Cracks in Insulation of Certain Feed Through Conductors of Entrance or Exit of Epoxy Module Portion of Penetration.Rework Procedure Has Not Been Formally Submitted.Supplemental Rept Expected by 810101 | |
| ML19340D055 | 15 December 1980 | Interim Significant Deficiency Rept 19,Target Rock Motor Operated Valves-Bushing Not Staked. High Pressure Safety Injection Header Shutoff Valve Found W/Loose Bushing. Bushings Will Be Corrected & Insp by 810630 | |
| ML19340D880 | 24 October 1980 | Interim Deficiency Rept Re Primary Containment Relief Valves at Facility,Initially Reported on 800326.Expected Conclusion of Investigation Has Been Postponed Until 801205 | |
| ML19340E132 | 3 December 1980 | Significant 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) | |
| ML19341A399 | 19 January 1981 | Final Deficiency Rept Re Electrical Termination Lug Design. Insp of Control Room Panels & Replacement of Improper Lugs Completed | |
| ML19341A401 | 19 January 1981 | Final Deficiency Rept Re Valve Yoke Matl in Anchor/Darling Valves,Initially Reported on 801218.Schedule Has Been Established for Shipment of 138 New Yokes Between 810227 & 0424.Defective Yokes Will Be Replaced & Destroyed | |
| ML19341D016 | 27 February 1981 | Interim Deficiency Rept 17,originally Reported on 800705,re Base Metal Defects in Main Steam & Feedwater Containment Penetration Anchors.Existing Cracks Being Repaired.Lug & Stiffener Joint Welding Procedures to Be Modified | |
| ML19343A654 | 10 November 1980 | Interim 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 801209 | Nondestructive Examination |
| 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 | |
| ML19343B807 | 23 December 1980 | Interim Significant Const Deficiency Rept 21 Re Linear Indications in Electrical Cable Tray Seismic Support Clips Initially Reported in 801124 Telcon.Performance of Clips Under Actual Loading Conditions Will Be Investigated | |
| ML19343B808 | 23 December 1980 | Final Deficiency Rept Re Class I Vessel Control Element Drive Mechanism Motor Housings Mfg W/O Final Surface Penetrant Nondestructive Examination,Initially Reported in 801126 Telcon.Deficiency Determined Not Reportable | Non-Destructive Examination Nondestructive Examination |
| ML19343C492 | 16 March 1981 | Interim Deficiency Rept (Significant Const Deficiency 25) Re GE Circuit Breakers AKR-30 & AKR-50 Failure to Close.Ge Will Supply Parts & Technical Supervision to Replace Bearing Assemblies.Final Rept Will Be Submitted on 811130 | Safe Shutdown |
| 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 |