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 Issue dateTitleTopic
FVY-86-105, Part 21 Rept Re Design Defect Relating to Limitorque Motor Operators Mfg Prior to 1975.Mfg Contacted & Retrofit Kits Installed on safety-related & nonsafety-related Operators. Addl Info Encl10 November 1986Part 21 Rept Re Design Defect Relating to Limitorque Motor Operators Mfg Prior to 1975.Mfg Contacted & Retrofit Kits Installed on safety-related & nonsafety-related Operators. Addl Info Encl
LD-84-063, Part 21 Rept Re Evaluation & Corrective Action for Excessive Setpoint Drift in Some Potentiometers in Auxiliary Feedwater Actuation Sys Cabinet at St Lucie Unit 2 & Plant Protection Sys Cabinets at Palo Verde26 October 1984Part 21 Rept Re Evaluation & Corrective Action for Excessive Setpoint Drift in Some Potentiometers in Auxiliary Feedwater Actuation Sys Cabinet at St Lucie Unit 2 & Plant Protection Sys Cabinets at Palo Verde
ML17223A74526 January 1990Part 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
ML17261A53018 June 1987Part 21 Rept Re Potential Util Failure to Comply W/Component Containment Isolation Licensing Commitment If Proposed Mods to Component Cooling Water Sys Instituted.Utils Advised to Evaluate Containment Isolation Sys
ML18038A8977 September 1994Part 21 Rept Re Defect in Latching Mechanism of Potter & Brumfield Relay on C&D High Voltage Shut Down Alarm Assembly Printed Circuit Boards.Pull Test on Relay Reset Button Incorporated Into Receiving Insp Procedures
ML18093A8286 May 1988Part 21 & Deficiency Rept Re Asea Brown Boveri,Power Distribution,Inc Low Voltage K-Line Circuit Breakers. Efforts Underway to Define Quantity & Type of Component Parts That May Need to Be Replaced
ML18153C1012 February 1990Part 21 Rept Re Two of Three Pc Cards in GE Type SLV11A1 Over/Undervoltage Relays Failing to Produce Output.Short Between Leads Would Result in Damage to Component 1C5. Sketch of Threshold Detection Board Encl
ML19294A7082 March 1979Suppl Info Re Reportable Occurrence:During Nondestructive Examinations of Main Steam Relief Valves,Linear Indications of Minor Casting Defects Were Found During Mod of Valves by Offsite Facility.Defects Were Ground Out & Weld RepairedNondestructive Examination
Liquid penetrant
ML19321A96930 June 1980Part 21 Rept Re Defective Terry Turbine Co HPCI Turbine. Caused by Machining Error in Fabrication of Mechanical Overspeed Trip Valve Body Assembly Which Resulted in HPCI Remaining in Tripped Condition.Valve Body Replaced
ML19325C95229 September 1989Part 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
ML19325E08616 October 1989Followup 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
ML19351A2949 October 1989Part 21 Rept Re Potential of Ambient Compensated Molded Case Circuit Breakers to Deviate from Published Info. Instantaneous Trip Check Will Be Instituted on All Class 1E Thermal/Magnetic Ambient Breakers Prior to Shipment
ML19354D71719 December 1989Part 21 Rept Re Use of Electrical Components & Cabling in Air Conditioning Units Not Environmentally Qualified. Initially Reported on 890920.Nonqualified Cable Will Be Replaced & Control Panel RelocatedCondition Adverse to Quality
ML20003C05620 February 1981Interim Deficiency Rept Re Flammability of Suspended Ceiling Tile in Control Rooms at Facilities.Util Evaluating Ceiling Sys Design & Available Alternatives.Next Rept Will Be Transmitted by 810403
ML20005G6835 January 1990Part 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
ML20011F19422 February 1990Part 21 Rept Re Abb 27/59 Relay Catalog Series 211L.Solder Connections to Printed Wiring Runs on Bottom of Circuit Board Deteriorated Due to Thermal Stress.No Actual Failure Occurred & Relays to Be Changed at Next Outage
ML20011F59722 February 1990Part 21 Rept Re Solder Connections in Abb 27/59 Relays Deteriorated Due to Thermal Stress,Causing Bonding of Printed Wiring Pattern to Glass Epoxy Circuit Board.Interim Circuit Board W/Larger Pads & Higher Wattage Will Be Used
ML20012A90127 February 1990Suppls 900213 10CFR21 Rept Re Chilled Water Sys Operation. Evaluation of Crystal River Determined That Postulated High Energy Line Break in Intermediate Bldg May Be Subj to Steam Loads Higher than Normal Loads,Causing Rising Water Temp
ML20012C24016 February 1990Part 21 Rept Re Defective Pieces of ASTM A500 Square Tubing Mfg by UNR-Leavitt.Initially Reported by Licensee on 900215. Limited Number of 29 Pieces Determined to Actually Be Defective,Per TVA Visual Insp.Matl Will Be Returned
ML20023D03623 October 1981Deficiency Rept Re Errors & Discrepancies Contained in HVAC Matl Certifications.Procurement Documentation Will Be Revalidated,Document & Records Mgt Program Will Be Developed & Qa/Qc Personnel Will Be Added.Also Reportable Per Part 21
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
ML20024B7777 July 1983Final Deficiency Rept 83-03 Re Medium Voltage Circuit Breakers of Same Type Installed at Limerick Which Inadvertently Closed After Completion of Spring Charging Due to Slipped Close Latch,Discussed in Brown Boveri 830524 Ltr
ML20024B78428 April 1983Followup Interim Rept Re Potential Deficiency in 5HK Switchgear Supplied by Brown Boveri.Circuit Breaker Inadvertently Closed & Tripped Following Spring Charging. Light Spring Added to Close Latch
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
ML20024E86630 December 1982First Interim Deficiency Rept Re Failure of safety-related Electrical Equipment to Meet Requirements.Initially Reported on 821203.Equipment Potentially Affected Are Panels & Cabinets.Next Rept to Be Filed by 830228
ML20028A01028 October 1982Part 21 Rept Re Potential Defect in Component of Dsrv or Dsr Standby Diesel Generator.Problem Exists W/Engine Piston Skirt Casting Which Could Result in Engine Nonavailability
ML20028C24830 December 1982First Interim Deficiency Rept Re Insufficient Length of Starting Air Valve Assembly Capscrews.Initially Reported on 821201.Transamerica Delaval,Inc Changed Designed Length of Capscrew.Next Rept by 830415.Also Reportable Per Part 21
ML20028E14814 January 1983Part 21 Rept Re Possible Adverse Effects of Cross Flow on Control Rod Assemblies for Facilities.Concern Not Substantial Safety Hazard.Design Change Will Be Implemented
ML20028E31910 January 1983Interim Deficiency Rept 82-09 Re Mechanical Snubber Bracket Interference.Initially Reported on 821203.Design Drawings & Vendor Production Info Under Review to Identify Suspect Snubber Assemblies.Next Rept Expected by 830215
ML20028E65121 January 1983Final Deficiency Repts 82-10 & 11 Re Rigid Strut Pins Mfg by Elcen.Initially Reported on 821223.Test Results Indicate No Load Capacity Data Values Violated.If Such Pins Were Used,Design Margins Not Exceeded
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
ML20040C58218 January 1982Fourth Interim Deficiency Rept on Deficiency 14 & Final Rept on Deficiency 21 Re Completion of as-built Drawings, Initially Reported 810122.Unit-unique as-built Drawing Program Being Investigated.Addl Rept by 820331
ML20040C70818 January 1982First Interim Deficiency Rept Re Possible Out of Phase Transfer of Emergency Bus for Stride Design,Initially Reported 811218.GE Studying Design Change to Resolve Problem.Next Rept Will Be Submitted by 830301
ML20040E53227 January 1982Third Interim Deficiency Rept Re Reactor Core Isolation Cooling Steam Line Break,Initially Reported 810630.Util Still Investigating GE Proposed Solution to Add 1-inch Bypass to Limit Downstream Flow in Event of Rupture
ML20040E64326 January 1982Fifth Interim Deficiency Rept Re Alleged Atlas Machine & Iron Works Falsification of QA Documentation Packages for Nine Drywell Framed Embedments,Initially Reported on 810528. Welding Tests Will Be Verified.Next Rept Due by 820618
ML20040F7401 February 1982Part 21 Rept Re Strainer Basket in Diesel Generator Lube Oil Strainer Mfg by Zurn Industries.Mesh Liner Tears Loose at Basket Top & Disintegrates.Baskets to Be Replaced in All Facilities W/New Qualified Design in 6 Months
ML20040G8583 February 1982Part 21 Rept Re Rotation of Inboard babbit-lined Bearing Mount Causing Partial Blockage of Oil Supply.Caused by Lack of Antirotation Pin or Device.Set Screw Installed in Upper Half of Bearing Mount to Prevent RotationSafe Shutdown
ML20041A42410 February 1982Deficiency Rept Re Failure of Transamerica Delaval to Promptly Correct Deficiencies,Initially Reported 820114. Deficiency Sheet Discussed W/Delaval Mgt.Next Rept by 820320.Also Reported Per Part 21
ML20041B12912 February 1982Part 21 Rept Re Misinterpretation of American Welding Soc Welding Symbol.Problem Exists at Braidwood But Not at Vogtle or St Lucie
ML20041F7565 March 1982Fourth Interim Deficiency Rept Re GE Support of 10CFR50.55(e),initially Reported 810810.Util Awaiting Addl Clarification from Nrc.Next Rept Expected by 820930
ML20049H69622 February 1982Part 21 Rept Re HVAC Stiffener Welding of Ductwork Supplied to Facilities.Problem Exists at Marble Hill,But Does Not Exist at St Lucie or Vogtle
ML20049J4393 March 1982First Interim Deficiency Rept Re Check Valve Leak in Air Start Sys of Standing Diesel Generators,Initially Reported on 820209.Problem Under Investigation by Vendor.Next Rept Expected by 820528.Also Reported Per Part 21
ML20049J45825 February 1982Suppl Deficiency Rept Re High Pressure Core Spray Component Wiring Discrepancies.Util Unable to Complete Corrective Actions by 820205 as Committed in 811116 Ltr.Drawings Require Vendor Revisions.Drawings Expected by 820805
ML20049J48725 February 1982Final Deficiency Rept Re Failure to Hydrotest Mechanical Penetration Assemblies,Originally Reported on 810814.STRIDE Spec 400-09 Revised.Also Reported Per Part 21Hydrostatic
ML20050B02219 March 1982Final Deficiency Rept 2 Re Failure of Transamerica Delaval to Correct Violations Identified During Audits 79V-38 & 80V-39 Promptly,Due to Improper QA Program Implementation, Initially Reported on 820114.Also Reported Per Part 21
ML20050B5991 April 1982Fifth Interim Rept Re Pressure Drop in Essential Svc Water Piping,Originally Reported 801210.Util Still Evaluating Deficiency.Next Rept by 820715
ML20052A60719 April 1982Suppl to Final Deficiency Rept Re Standby Gas Treatment Sys Charcoal Absorber,Initially Reported 800508.Util Unable to Meet Corrective Action Completion Date in 811209 Final Rept Due to Deferral of Const.Also Reported Per Part 21
ML20052H90811 May 1982Final Deficiency Rept Re Diesel Generator Strainer Basket Defect,Initially Reported on 820423.New Basket Designed & Tested & Will Be Installed Prior to Fuel Load
ML20053E12028 May 1982Second Interim Deficiency Rept Re Check Valve Leak in Air Start Sys of Standby Diesel Generators,Initially Reported 820209.Evaluation by Vendor Underway.Also Reported Per Part 21