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| Issue date | Title | Topic | |
|---|---|---|---|
| ML17223A745 | 26 January 1990 | Part 21 Rept Re Backup Rings Furnished in Spare Parts Seal Kits & in 25 Gpm 4 Way Valves as Part of Actuators Made of Incorrect Matl.Rings Should Be Viton & Have Been Identified as Buna N | |
| ML19209A519 | 28 September 1979 | First Deficiency Rept Re Qualification of Steam Generator & Pressurizer Power Operated Relief Valve Control Sys & Main Feedwater & Automatic Rod Control Sys.Next Rept Will Be Submitted in Approx Three Months | |
| ML19260C951 | 28 November 1979 | Final Deficiency Rept Re Gulf & Western Preassembled formation.Safety-related Preassembly Formations Will Be Reworked & Rejectable Indications in Welds Will Be Corrected | Safe Shutdown Safe Shutdown Earthquake |
| ML19260D569 | 5 February 1980 | Supplemental Deficiency Rept Re Control Sys Subj to Adverse Environ.Safety Analyses & Adequacy of Protective Functions Performed by safety-grade Equipment Could Be Affected.Cause Unstated.Pressure Controllers Procured | |
| ML19262C600 | 28 November 1979 | Final Deficiency Rept Re Gulf & Western Preassembled Formations.Formations Found to Include Incomplete Penetration,Incomplete Fusion & Slag Inclusions.Formations to Be Reworked | Safe Shutdown Safe Shutdown Earthquake |
| ML19296C311 | 12 February 1980 | Final Deficiency Rept:Vertical Fire Dampers Supplied by Ruskin Mfg Co Fail to Close Completely.Caused by Disconnection of Damper Blade Closure Spring During Cycling. Dampers Will Be Modified Per Encl Drawings | Safe Shutdown |
| ML19305B075 | 12 February 1980 | Final Deficiency Rept Re Defective Vertical Fire Dampers. All Fire Damper Units Will Be Modified & Operationally Cycled Prior to or During Installation | |
| ML19305B956 | 6 December 1979 | Deficiency Rept:On 791107,util Informed NRC of Undetectable Failure in Engineered Safety Features Actuation Sys. Corrective Action to Detect Failure by Testing Sequence Will Be Incorporated Into Plant Procedures.Westinghouse Ltr Encl | |
| ML19305D191 | 5 March 1980 | Supplemental Part 21 Rept Re Failed Engine Thrust Bearing. Insp of Crankshaft Thrust Bearings Installed on Two PC-2.5 Generator Sets Indicate Plugs Properly Installed & Free of Reported Potential Defect.Load During Shop Tests Too Light | |
| ML19305D673 | 3 April 1980 | Interim Deficiency Rept Re Vertical Fire Dampers Furnished by Ruskin Mfg Co.Addl Problems Identified Requiring New Design Mods.Mods Being Developed & Will Be Described in Rept to Be Issued by 800515 | |
| ML19305E803 | 8 May 1980 | Suppl to Final Deficiency Rept Re Ruskin Mfg Co Vertical Fire Dampers.Suggested Mod Found to Be Unacceptable. Alternate Design Mod Developed,Applied & Tested.New Problem, Re Closure of Small Dampers,Rectified | |
| ML19309B153 | 26 March 1980 | Interim Deficiency Rept Re Electrical Penetration Assembly Wire Terminations.Initiated Bunker-Ramo Insp to Determine Cause.Final Rept Will Be Submitted by 800430 | |
| ML19309G626 | 20 March 1980 | Deficiency Report Re Undetectable Failure in Engineered Safety Features Actuation Sys.Licensee Investigating Hardware Changes Which May Preclude Need for Tests Described in 800215 Ltr | |
| ML19309H615 | 5 May 1980 | Final Deficiency Rept Submitted for Snupps, Rept on Improperly Crimped Lugs on Electrical Penetration Assemblies Supplied by Bunker Ramo Corp. | Safe Shutdown |
| ML19310A408 | 12 June 1980 | Supplemental Deficiency Rept Advising NRC That Addl Insp Found Penetration Wire Terminations W/Insulation Extending Into Terminal Lug Barrel & Incorrectly Sized Lugs on Wire Module.Hold on Addl Fabrication at Bunker Ramo Established | |
| ML19312E831 | 12 June 1980 | Supplements 800506 Interim Deficiency Rept Re Quality & Integrity of Penetration Wire Terminations.Addl Terminations Found W/Insulation Extending Into or Through Terminal Lug Barrel.Assessment of Bunker Ramo QA & Mgt Underway | |
| ML19318A961 | 16 June 1980 | Interim Deficiency Rept Re Surface Mounted Plates. Reinspection of Surface Mounted Plates Underway.Final Rept Will Be Issued on 800908 | |
| ML19318B090 | 16 May 1980 | Forwards Bechtel 800508 Suppl to Final Deficiency Rept Re Ruskin Mfg Co Vertical Fire Dampers.Mod Proposed in 800215 Final Rept Is Unacceptable Since Number 6 Screws Could Become Loose.Ruskin Has Developed Successful Design Mod | |
| ML19318D093 | 30 June 1980 | Discusses 800620 Rept of Potential Deficiency Re Excessive Pressure in Feedwater Lines Following Postulated High Energy Line Break.Excessive Pressure Does Not Constitute Deficiency Per 10CFR50.55e | |
| ML19322E948 | 27 March 1980 | Final Deficiency Rept:Investigation in Response to IE Circular 80-01 Revealed GE Induction disc-type Relays W/ Higher than Normal Pickup Voltage.Caused by Petroleum Jelly Lubricant.Arrangements Made for GE Replacement or Mods | |
| ML19323A975 | 3 April 1980 | Interim Deficiency Rept Re Ruskin Vertical Fire Dampers.Due to Problems Identified After 800215 Rept,Addl Design Mods Are Required for Dampers & Will Be Described by 800515 | |
| ML19323D319 | 13 May 1980 | Interim Deficiency Rept Re Use of Improper Preheat When Welding Pipe Supports to Heavy Structural Steel Members. Complete Evaluation by Bechtel Power Corp Is Underway.Final Rept Will Be Provided by 800731 | |
| ML19323G152 | 19 May 1980 | Part 21 Rept Re Pipe Support Sway Struts W/Loose Bushings. During Seismic Event,Piping Could Be Overstressed.Struts Have Been Reworked to Correct Deficiency | |
| ML19323H278 | 6 June 1980 | Interim Deficiency Rept Re Centrifugal Charging Pump Operation Following Secondary Side Line Rupture Discussed in 800508 Telcon.Evaluation of Transient Described in Westinghouse 800508 Ltr Will Be Provided Pending Completion | |
| ML19326D981 | 18 July 1980 | Interim Deficiency Rept Re out-of-tolerance Conditions on Major Bolt & Minor Nut Diameters for Matls Supplied by Industrial Mechanics,Inc.Insp Program Established & Equipment on Order.Final Rept Expected by 801201 | |
| ML19327A284 | 30 July 1980 | Deficiency Rept Re Potential Bolt head-pipe Clamp Interference Affecting Bergen-Paterson Pipe Support Strut Assemblies Containing Pacific Scientific Mechanical Shock Arrestors.Final Rept Will Be Submitted by 800930 | |
| ML19327A299 | 1 August 1980 | Interim Deficiency Rept Re Adequacy of Application & Insp of Structural Steel Fireproofing Matls.Preliminary Review Indicates Deficiencies Are Probably Not Significant.Addl Evaluation Required.Final Rept Will Be Submitted by 800829 | |
| ML19327A300 | 29 July 1980 | Interim Deficiency Rept Re Improper Preheat of Heavy Structural Members Prior to Welding.Requests Extension Until 801128 to Submit Final Rept,Due to Performance of Addl Test | |
| ML19327A301 | 31 July 1980 | Final Deficiency Rept Re out-of-tolerance Threads within NSSS Lateral Support Anchor Bolt Nuts.Reinspection & Test Program Completed.Withdraws Items as Significant Deficiency | |
| ML19327A560 | 14 July 1980 | Supplementary Part 21 Rept Re Hangers.Submits Revised List of Items Affected,Containing Corrections.Significant Revisions Include Hanger Mark FC02-R508/125(Q) Which Was Omitted from Wolf Creek Listing | |
| 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 | |
| ML19330A824 | 24 July 1980 | Final Deficiency Rept Re Generic Deficiencies in Corner & Lada,Inc Pipe Support Sway Struts.Onsite Insp &/Or Tests Will Assure That Assemblies Are Acceptable for Use.Corner & Lada Generic Rept Encl | |
| ML19330B289 | 30 June 1980 | Deficiency Rept Re Postulated Feedwater Line Piping Break. Excessive Peak Pressure Calculations Performed by Bechtel Considered Part of Normal Design Evolution.Does Not Consider Matter Reportable Per 10CFR50.55(e) | |
| ML19331E277 | 29 August 1980 | Final Deficiency Rept Re Adequacy of Application & Insp of Fireproofing Matls Applied to Structural Steel,Previously Reported on 800801.Defective Areas Noted in Reinsp Will Be Reworked to Assure Application Conformance | |
| ML19331E378 | 31 July 1980 | Final Deficiency Rept Re NSSS Lateral Support Anchor Bolt Nuts.Had Nonconformance Gone Undetected,No Significant Safety Problem Would Have Arisen.Item Withdrawn as Significant Deficiency | |
| ML19338D684 | 10 September 1980 | Final Deficiency Rept Re Potential Bolt head-pipe Clamp Interference Which Could Hinder Full Function of Bergen- Patterson Pipe Support Strut Assemblies.Bechtel Power Corp Advised That All Assemblies Corrected Prior to Shipment | |
| ML19338F768 | 15 September 1980 | Interim Deficiency Rept Re Centrifugal Charging Pump Operation Following Secondary Side High Energy Line Rupture.Design Changes Being Evaluated.Final Rept Will Be Provided in First Quarter 1981 | |
| ML19338G409 | 29 August 1980 | Final Deficiency Rept Re Adequacy of Application & Insp of Albi-Duraspray Fire Proofing Mtls Applied to Structural Steel in safety-related Bldgs.Review of Reinsp Indicated Deficiencies Were Minor.Areas Reworked | |
| ML19338G413 | 7 October 1980 | Amended 800702 Deficiency Rept Re Pipe Support Strut W/ Mechanical Shock Arrestor.Supports Placed on Hold & Will Be Disposed of Per Nonconformance Control Procedures | |
| ML19339C745 | 14 November 1980 | Amended Deficiency Rept Re Bergen-Paterson Pipe Support Strut W/Mechanical Shock Arrestor Having Insufficient Clearances to Permit Specified Angular Movement.Vendor Determined Addl Delivered Assemblies Are Deficient | |
| ML19340E439 | 7 January 1981 | Final Deficiency Rept,Originally Submitted 800620,re Out of Tolerance Conditions on Major Bolt Diameters & Minor Nut Diameters Supplied by Industrial Mechanic,Inc.Analysis by A/E Indicates No Predicted Reduction in Design Capacity | |
| ML19340E469 | 2 January 1981 | Interim Deficiency Rept,Originally Reported on 801205,re Concrete Deficiences Discovered Near Surface of Reactor Bldg Dome.Further Evaluation Will Be Performed by Bechtel.Final Evaluation to Be Completed by 810401 | |
| ML19343A459 | 30 June 1980 | Deficiency Rept Re Excessive Pressures in Feedwater Lines Following Postulated High Energy Line Break.Pressure Can Be Reduced by Relocating Feedwater Check Valves.Util No Longer Considers Matter Reportable Under 10CFR50.55e | |
| ML19344A563 | 1 August 1980 | Interim Deficiency Rept Re Application & Insp of Structural Steel Fireproofing.Final Rept Expected to Be Submitted by 800829 | |
| ML19344F375 | 24 July 1980 | Final Deficiency Rept Re Loose Bushings in Pipe Support Sway Struts.Struts Found with Loose Bushings Will Be Replaced. Corner & Lada 800724 Rept Encl | |
| ML19345C014 | 28 November 1980 | Final Deficiency Rept Re Use of Improper Preheat of Heavy Structural Members Prior to Welding,Initially Reported on 800418.Physical Test Program Has Been Conducted.Welds Are Acceptable as Is | |
| ML19345C328 | 26 November 1980 | Final Deficiency Rept,Originally Submitted 801027,re Generic Design Interferences Between Bergen-Patterson Pipe Clamp Assemblies & Pacific Scientific Co Mating Snubber Assemblies.Clamps Will Be Modified or Replaced | |
| ML19345G584 | 1 April 1981 | Final Deficiency Rept Re Installation of Surface Mounted Plates.All Surface Mounted Plates Have Been Reinspected. Nonconforming Plates Will Be Reworked.All surface-mounted Plates Will Be in Conformance W/Specs & Drawings | |
| ML19347B582 | 7 October 1980 | Interim Deficiency Rept Re Bergen-Paterson Pipe Support Strut W/Mechanical Shock Arrestor.Bechtel Analyzed Two Pipe Supports.Two Supports Placed on Hold & Will Be Dispositioned According to Nonconformance Control Procedures | |
| ML19347C276 | 26 August 1980 | Final Deficiency Rept Re Nonconforming Threads on 3.5-inch Diameter Studs & Nuts for NSSS Steam Generator Lateral Supports.Encl Bechtel Rept Suppls Data Transmitted in 800731 Submittal |