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 Issue dateTitleTopic
ML19350A2102 March 1981Part 21 Rept U-27 Re Loose Bushings in Bergen-Patterson Sway Struts,Initially Reported 810130.Generic Rept Will Be Submitted by Snupps on Behalf of Util & Union Electric Co. Final Rept Will Be Issued by 810601
ML19350A7516 March 1981Interim Deficiency Rept U-26 Re Containment Dome Imperfections,Initially Reported on 801205.Meeting Conducted on 810305 Re Insp & Testing.Addl Details & Analysis Will Be Presented in 810401 Final Rept
ML19350C24017 March 1981Interim Deficiency Rept Re Design Interferences in Bergen Paterson Pipe Support/Shock Arrestor Assembly Used to Support 8-20 Inch Pipe Sections.Caused by Vendor Failure to Notify Users of Revisions
ML19350D78114 May 1981Final Deficiency Rept Re Generic Deficiencies in Bunker Ramo Electrical Penetration Assemblies,Initially Reported 800506. Addl Assemblies Requiring Site Rework Listed
ML19351D61310 September 1980Final Deficiency Rept Re Potential Bolt Headpipe Clamp Interference Which Could Hinder Full Function of Bergen- Paterson Pipe Support Strut assemblies.Bergen-Paterson Advised That All Assemblies Corrected Prior to Shipment
ML19351E54526 November 1980Interim Deficiency Rept Re Failure of Westinghouse 3-inch Gate Valves to Close,First Reported on 801030.Addl Info Is Still Being Obtained & Corrective Mods Are Being Developed. Followup or Final Rept Will Be Sent in First Quarter 1981
ML20003A13423 January 1981Summarizes 801224 Telcon Rept Re Generic Deficiency in Analytical Techniques Used by Bechtel in Design of Pipe Whip Restraints Used for Std Power Block.Bechtel Reviewing Design Calculations.Final Rept Not to Be Issued Until 810228
ML20003H3341 May 1981Final Deficiency Rept Re Potentially Defective GE Type AKR-30 & AKR-50 Circuit Breakers,Initially Reported on 810401.Bearing Assemblies Will Be Replaced by 811231
ML20004C6311 June 1981Final Deficiency Rept Re Bergen-Paterson Support Strut Assembly Design Interference Initially Reported on 810213. Design Changes Examined by Bechtel & Confirmed to Be Free of Interference.Stronger Insp & Mfg Controls Implemented
ML20004D8935 June 1981Final Deficiency Rept Re Power Block Pipe Whip Restraint Design Discrepancies.Affected Restraints Will Be re-analyzed & Revised.Fsar & Design Guide Will Be RevisedSafe Shutdown
ML20004D89616 March 1981Updated Deficiency Rept Re Power Block Pipe Whip Restraint Design Discrepancies.Design of Potentially Affected Restraints Has Been Reviewed & Revised,Where Necessary.Final Rept Will Be Provided by 810601
ML20005A03019 June 1981Followup Deficiency Rept Re Westinghouse Gate Valve Failure to Close,Initially Reported on 801126.Functional Review of Valves Ongoing.Nrc Will Be Kept Informed of Significant Developments & Resolutions
ML20009C58913 July 1981Interim Deficiency Rept,Initially Reported on 800724,re Defective Corner & Lada Pipe Support Sway Struts.Addl Measures Are Being Taken to Preclude Disengagement of Paddle/Bushing Assembly
ML20009D39313 July 1981Interim Deficiency Rept Re Weld Discrepancies in Main Control Panels & Auxiliary Relay Racks Furnished by Comsip Customline Corp.Results of Panel & Rack Weld Insp Will Be Evaluated by 811130
ML20024A4261 June 1983Final Deficiency & Part 21 Repts U-53 Re Defective Plastic Molding Utilized in Circuit Boards Supplied by Foxboro Co. Initially Reported on 830511.Components Returned to Vendor for Rework/Replacement
ML20024B6881 July 1983Final Deficiency Rept U-56 & Part 21 Rept Re Metal Bellows Flexible Hose Assembly w/60 Degree Instead of 90 Degree Fitting at Discharge of Reactor Coolant Pump B Motor. Initially Reported on 830602.All Assemblies Inspected
ML20024B69530 June 1983Part 21 Rept Re Deficiency in Bechtel Design of Ac & Dc Control Circuits for Facilities.Design Changes to Affected Motor Controller & Power Circuit Breaker Compartments Initiated.Also Reported Per 10CFR50.55(e) by Snupps
ML20024B74230 June 1983Final Deficiency Rept U-40 Re Inaccuracy of wide-range RCS Pressure Transmitters During post-accident Conditions Inside Containment.Transmitters Will Be Relocated from Inside to Outside Containment.Fsar Will Be Revised
ML20024D06322 July 1983Final Significant Deficiency Rept 83-10 Re Excessive Ac/Dc Control Circuit Voltage Drop in Circuits Designed by Bechtel.Initially Reported on 830623.Also Reportable Under Part 21
ML20024D63729 July 1983Final Significant Deficiency Rept 83-09,re 1 1/2-inch Hy-Drop Stainless Steel Valves Furnished by Yarway Corp. Reexam of Design,Procurement & Site Receiving Records Indicates Original Data Based on Inaccurate Info
ML20024F57431 August 1983Interim Deficiency Rept Re Westinghouse Type SA-1 Differential Relays W/Leaky Capacitors.Initially Reported on 830801.Capacitors Replaced.Final Rept to Be Submitted When Results of Westinghouse Defect Analysis Known
ML20027D48925 October 1982Amended Final Deficiency Rept Re Cracked Lexan Coil Spools Supplied W/Ge Hfa Type Relays.Initially Reported on 810212. GE Advised That Incorrectly Sized Dropping Resistor Found on Hfa Type Relays.Also Reportable Per Part 21
ML20028E76421 January 1983Interim Deficiency Rept 83-01 Re Westinghouse Emd Gate Valve Position Indication.Initially Reported on 821223.Gate Valve Applications in Cold & Hot Leg Safety Injection Lines May Require Mod.Investigation Continuing.Next Rept by 830531
ML20038C26530 November 1981Part 21 Rept Re Insp of Colt Pielstick Type PC-2 Diesel Generator Sets Per Revised Drawings Mentioned in 800502 Rept.Both Units Are in Compliance W/Insp Procedure & Free of Reported Potential Defect
ML20039C46114 December 1981Interim Deficiency Rept Re Failure of Bergen Paterson Size 6 & 15 Sway Strut Assemblies to Provide cone-of-movement, Initially Reported 811104.Tests & Related Analyses Completed.Failures Not Reportable Under 10CFR50.55(e)
ML20039F6137 January 1982Deficiency Rept Re Error in ECCS Analysis for Facilities. Issue Reviewed by Westinghouse & Util.Determined Not Reportable Per 10CFR50.55e
ML20054H56217 June 1982Final Deficiency Rept Re Adequacy of Nondestructive Exam Performed by Dravo Pipe Fabrication Div on Piping Spools, Initially Reported on 810501.Surface Too Rough for Adequate Exam.Welds Buffed & re-examined.Deficiency Not ReportableLiquid penetrant
ML20058E68421 July 1982Interim Deficiency Rept Re Error in Wide Range RCS Pressure Transmitters.Initially Reported on 820409.Alternatives to Insure Functional Requirements of Transmitters in post-accident Environ Being Pursued
ML20062D9351 November 1990Part 21 Rept Re Failure of 4.16 Kv Vertical Lift Switchgear, cell-mounted Auxiliary Contacts to Operate on Command During Testing of Standby Switchgear at Plant.Caused When Maladjusted Test Link Inserted Between Breaker & Switch
ML20063H49821 July 1982Potential Deficiency Rept Re Worn Polar Crane Snubber Assembly Pin.Initially Reported on 810819.Condition Not Reportable Per 10CFR50.55(e).AE Concluded That Polar Crane Sys Can Resist Seismic Event Generated Impact LoadsEarthquake
ML20063L40531 August 1982Interim Deficiency Rept 80-2 Re Operation of Centrifugal Charging Pumps Following Secondary Side High Energy Line Breaks.Design Changes Evaluated by Bechtel,Westinghouse & Utils.Final Rept Expected by 821101
ML20063L8613 September 1982Interim Deficiency Rept Re Limitorque operators-sheared Pinion Keys.Initially Reported on 820804.Development of Plan to Resolve Concern for All Valves W/Limitorque Operators Underway.Next Rept Expected by 830303
ML20063L8863 September 1982Interim Deficiency Rept Re Undetectable Failure in Solid State Protection Sys.Initially Reported on 820804. Recommended Revisions to Testing Procedures & Possible Design Changes Under Review.Next Rept Expected by 830303
ML20063M8043 September 1982Final Deficiency Rept Re Failure of Westinghouse EMD Valves, Also Submitted Per IE Bulletin 81-02.Corrective Action Taken or Planned for Affected Valves Prior to Fuel Loading Encl
ML20065D12814 September 1982Final Part 21 Rept Re Possibility of Defective Potentiometers Utilized in Circuit Boards Supplied by Foxboro Co.Initially Reported on 820903.All Suspect Components Returned to Vendor for Rework/Replacement
ML20066A87929 October 1982Final Deficiency Rept Re Centrifugal Charging Pump Operation After Secondary Side High Energy Line Rupture.Initially Reported on 800508.Studies Indicate Change in Charging Sys Necessary to Satisfy Requirements
ML20066D4442 November 1982Interim Deficiency Rept Re RCS wide-range Pressure Transmitter Error in post-accident Environ Exceeding SAR Limit.Initially Reported on 820409.Westinghouse Review Continuing.Final Rept Expected by Feb 1983
ML20066K09728 October 1982Part 21 Rept Re Malfunction of safety-related Nuclear Valves Preventing Tight Shutoff of Valve.Plug 040001-285-781 Will Be Replaced by 821124
ML20069B46815 December 1981Final Deficiency Rept Re Weld Discrepancies in Main Control Panels & Auxiliary Relay Racks Furnished by Comsip Customline Corp.Seismic Testing & Insp Indicated No Significant Defects or DeficienciesEarthquake
ML20069F0947 March 1983Interim Deficiency Rept Re Effect of Potential post-accident Errors in wide-range RCS Pressure Instruments on Snupps Plants.Potential Inaccuracies Do Not Constitute Significant Deficiency.Next Rept by 830701
ML20069N09919 November 1982Final Deficiency Rept Re Level on Closing Spring Interlock of GE IE 480-volt Akr Breakers Overtraveling Armature Linkage Pin.Initially Reported on 821105.GE Will Replace Levers.Also Reportable Per Part 21
ML20070A68617 January 1991Part 21 Rept Re Failure of 4.16 Kv vertical-lift Switchgear Cell Mounted,Auxiliary Contacts to Operate on Demand During Testing of Auxiliary Standby Switchgear at Facility. Initially Reported on 901101.New Test Link Sent to Facility
ML20070S29626 January 1983Interim Deficiency Rept Re Battery Charger Output Choke Failure.Initially Reported on 830105.Caused by Short Circuit Between Choke Input Lead & Coil.Final Rept Expected by 830215.Also Reportable Per Part 21
ML20071E9463 March 1983Interim Significant Deficiency Rept 82-01 Re Sheared Pinion Keys on Limitorque SB-0-25 Motor Operators.Failures Limited to Motor Operators Used in Conjunction W/Westinghouse Valves Subj to Stall Tests Greater than Max Operating Loads
ML20071P08227 May 1983Final Significant Deficiency Rept Re Lockup of RM-23 Display in Radiation Monitoring Sys.Initially Reported on 830223.Circuit Boards Returned to Vendor for Mod & Testing. Modified Boards Will Be Installed Prior to Fuel Load
ML20072A55431 May 1983Final Deficiency Rept 83-01 Re Faulty Westinghouse EMD Gate Valve Position Indication.Initially Reported on 830121. Valve Mods & Adjustments to Be Performed Per Westinghouse Field Change Notices SAPM-10605 & SCPM-10602
ML20072D4989 May 1983Part 21 Rept Re Defect in Hose Assembly 77379.Assembly Welded w/60-degree Rather 30-degree Elbow Installed. Condition Reported to Bechtel
ML20072F01516 June 1983Final Deficiency Rept U-54 & Part 21 Rept Re Failure of Closed Limit Switches to Reset on Containment Isolation Valves HV-7126 & HV-7150.Initially Reported on 830516. Compensating Spring Installed on Actuating Arm
ML20072H32522 March 1983Interim Part 21 Rept Re lock-up of RM-23 Display in Radiation Monitoring Sys Giving Erroneous Indication of Channel Activity.Initially Reported on 830223.Problem Software Related.Final Rept Will Be Submitted by 830531
ML20072K45918 February 1983Final Significant Deficiency Rept 83-03 Re Design & Installation of U-bolt Restraints.Initially Reported on 830127.Analysis Revealed Absence of Locknuts on Piping. Double Nut Locking Mechanism InstalledEarthquake
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