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| Issue date | Title | Topic | |
|---|---|---|---|
| ML19341D043 | 25 February 1981 | Fifth Interim Deficiency Rept,Originally Reported on 800616, Re Environ Qualification of Class 1E Components W/O Documentation Confirming Operability in Ambient Conditions. Cause Not Stated.Next Rept Will Be Submitted by 810402 | |
| ML19341D054 | 26 February 1981 | Fourth Interim Deficiency Rept,Originally Reported on 800424,re Incorrect Insulation Weight Used in Piping Analysis.Review of as-constructed Insulation Drawings Against Completed Analyses to Be Submitted by 810408 | |
| ML19341D587 | 19 February 1981 | Part 21 First Interim Rept Re Limit Switch Actuator for Masoneilan Air Operated Valves Supplied by Westinghouse, Initially Reported on 810120.TVA Awaiting Westinghouse Reply to Notification.Next Rept by 810401 | |
| ML19341D703 | 1 April 1981 | Final Deficiency Rept Re Unconservative Loads on Pipe Support Design Mods,Initially Reported on 801217.Complete Evaluation & Rework of Supports,If Required,Will Be Completed Before Fuel Loading | |
| ML19341D736 | 2 April 1981 | Third Interim Deficiency Rept Re Retrievable Info from Valve Tag Numbers,Initially Reported on 801212.Util Is Comparing Data on Manufacturers' Valve Drawings to Data Used in Piping Analyses.Next Rept Will Be Submitted by 810610 | |
| ML19343A175 | 12 September 1980 | Third Interim Deficiency Rept Re Environ Qualification of Class IE Instruments in Valve Room.Six Steam Generator Pressure Transmitters Replaced.Pressure Switches for Flow to Auxiliary Feed Pump Repaired | |
| ML19343B982 | 11 February 1981 | Second Interim Deficiency Rept Re Faulty Fillet Welds Initially Reported 801107.Reinsp 98% Complete.Preliminary Results Indicate 10% of Welds Require Addl Weld Metal.All Deficient Welds Identified Will Be Repaired | |
| ML19343C026 | 12 February 1981 | Final Deficiency Rept Re Leakage of Metal Bellows on Primary Containment Penetration,Initially Reported on 810113.Similar Bellows of Greater Diameter Will Be Welded Concentric W/Original Bellows by 810401 | |
| ML19343C518 | 17 March 1981 | Third Interim Deficiency Rept Re Asco Model HTX8320A22V Solenoids in Radiation Monitoring Sys,Initially Reported on 801208.Investigation Continuing to Determine Need for Repair,Relocation or Replacement.Next Rept by 810403 | |
| ML19343D124 | 25 March 1981 | Part 21 Rept Re Damage to Geared Limit Switch Housings in Electrodyne motor-operator Valves,Initially Reported on 810224.Heaters Are Being Removed | |
| ML19343D215 | 27 March 1981 | Part 21 Rept Re Stress Corrosion Cracking in Reactor Coolant Pump Motor Heat Exchanger Tubes,Initially Reported on 801202.Eddy Current Test Was Performed.Cracked Tubes Were Plugged | |
| ML19343D393 | 28 April 1981 | Interim Deficiency Rept 6 Re Environ Qualification of Electrical Equipment,Initially Reported on 801024.Available Qualification Documentation Reviewed for Equipment. Components Acceptable on Interim Basis.Next Rept by 810619 | |
| ML19344B509 | 15 October 1980 | Third Revised Final Deficiency Rept Re Spent Fuel Pool Gates.Qa Aspects of Gate Integrity Will Be Verified or Certificates of Compliance Will Be Obtained from Fabricators.Matls & Welds Will Be Inspected & Tested | |
| ML19344B522 | 16 October 1980 | Final Deficiency Rept Re Evaluation of Sensing Line Connections to Process Piping.Reanalysis of Affected Process Piping Found No Hardware Changes Necessary.No Generic Implications Found at Other Plants | |
| ML19344D252 | 3 March 1980 | Final Deficiency Rept:Drain Line Connected to Reactor Coolant Crossover Leg Piping in Loop Four Not Installed Per Design Drawings.Reanalysis of Orientation & Dimensions of Reactor Coolant Drain Line Changed Nozzle & Support Loads | |
| ML19344D257 | 4 March 1980 | Final Deficiency Rept:Readout Instruments for 12 Radiation Monitors Spiked Upscale in Unison for 2-h.Caused by Interference Produced by Welding Machines.Signal Cable for Monitor O-RE-90-101A Being Rerouted in Conduit | Boric Acid |
| ML19344E076 | 20 August 1980 | Final Deficiency Rept Re Inadequate Seismic Supports for Auxiliary Feedwater Control Valves.Supports W/O Interference Problem Installed & Required Struts Field Fabricated to Alleviate Problem | |
| ML19344E570 | 25 August 1980 | Final Deficiency Rept Re Safety Injection Pump Breaker lockout.Seal-in Contact of 1X Relays to Be Removed from Circuit Breakers in 6,900-volt Shutdown Boards by 801103 | |
| ML19345A823 | 19 November 1980 | First Interim Deficiency Rept Re Offsite Power Voltage Fluctuation.Util Attempting to Obtain Vendor Documentation to Substantiate 85% Voltage Starting Capability.Next Rept Will Be Submitted by 810227 | |
| ML19345B999 | 26 November 1980 | Revised Final Deficiency Rept Re Safety Insection Sys Train Flow,Initially Reported on 800822.RHR Heat Exchanger Outlet Valves Opened at 79 Degrees,Allowing Flow Rate to Fall in Acceptable 4,500-5,000 Gpm Range | |
| ML19345C300 | 21 November 1980 | Fourth Interim Deficiency Rept Re Environ Qualification of Class IE Equipment Initially Reported on 800616.Several Class IE Components Lacking Documentation Re Ability to Operate in Ambient Conditions | Boric Acid |
| ML19345C336 | 25 November 1980 | First Interim Deficiency Rept Re Inadequate Documentation to Verify Qualification Levels for Harsh Environs Initially Reported on 801024.Environ Documentation on Components Still Being Gathered.Next Rept by 810123 | |
| ML19345D511 | 26 November 1980 | Part 21 Rept Re Crosby Valve & Gage Co Defective 2-RV-68-565 Pressurizer Safety Valve.Caused by Broken Spring.Spring Replaced.Preoperational Testing Will Be Completed by 810301 | |
| ML19345F152 | 2 February 1981 | First Interim Deficiency Rept,Orginially Reported on 810102, Re Failure to Conduct Pneumatic Pressure Test on Portions of Svc Air Sys Per Written Procedures.Caused by QA Program Breakdown.Memo Issued to Responsible Individuals | |
| ML19345G012 | 9 February 1981 | Fifth Interim Deficiency Rept Re Excessive Output Fluctuations of Foxboro Instrumentation,Initially Reported on 790828.Westinghouse Field Mod Kit Is Being Tested.Next Rept Will Be Provided by 810324 | |
| ML19345H230 | 27 April 1981 | Final Deficiency Rept Re Spatial Separation for Conduits & Cable Trays,Initially Reported on 810401.Engineering Change Notice Issued to Reroute Conduits to Achieve 20-ft Separation | |
| ML19347A848 | 25 September 1980 | Fourth Interim Deficiency Rept Re Upper Head Injection Hydraulic Isolation Valve Accumulator Weighing Sys.Util Will Delay Design Changes Proposed by Westinghouse Until Further Testing Completed | |
| ML19347D246 | 4 March 1981 | Final Deficiency Rept,Originally Reported on 800325,re Failure of Upper Head Injection Hydraulic Isolation Valve Accumulator Weighing Sys.Caused by Stiffening of Connecting Hydraulic Lines Under Pressure.Administrative Change Made | |
| ML19347D253 | 3 March 1981 | Second Interim Deficiency Rept,Originally Reported on 801210,re Fillet Weld Misspecification.Caused by Exceeded 60 Degree Min Angle for Intersecting Members of fillet-welded Skewed Tee Joints | |
| ML19347D875 | 6 April 1981 | Third Interim Deficiency Rept,Originally Reported on 801020, Re Fluctuation of 161-kV Grid Voltage Min Limit.Caused by Limit Failure to Ensure Adequate Starting Voltage for All safety-related 460-volt Motors.Design Improvements Planned | |
| ML19347D919 | 8 April 1981 | Final Deficiency Rept Re Failure to Comply W/Procedures on Pneumatic Pressure Test Conducted on Portions of Svc Air Sys,Initially Reported on 810102.QA Procedures Issued to Assure Tests Follow Procedures | |
| ML19347D955 | 3 April 1981 | Final Deficiency Rept Re Environ Qualification of Class IE Equipment,Initially Reported 800616.Lists All Repts for Which Documentation Has Not Been Located to Establish Ability to Operate in Required Ambient Conditions | |
| ML19347D964 | 3 April 1981 | First Interim Rept Re Flow Deficiency in Essential Raw Cooling Water Sys,Initially Reported 810304.Original Test Data & Addl Data from Special Tests Are Being Analyzed.Next Rept Expected by 810415 | Safe Shutdown |
| ML19347D967 | 7 April 1981 | Final Deficiency Rept Re Steel Containment Penetration Assembly,Initially Reported on 801219.No Mods Required Per Reanalysis | |
| ML19347D989 | 7 April 1981 | Final Deficiency Rept Re Seismic Analysis for as-built safety-related Piping Sys,Initially Reported on 801128. Piping Rework & Reanalysis Will Be Completed by Fuel Loading | |
| ML19347E945 | 8 May 1981 | Revised Final Deficiency Rept Re Wide Range Steam Generator Level Transmitters,Initially Reported 800528.Two Transmitters Remain to Be Replaced Before Sys Heatup After Fuel Loading | Post Accident Monitoring |
| ML19350A287 | 5 March 1981 | Final Deficiency Rept Re Thermon Heat Transfer Cement, Initially Reported 801126.Cement Will Be Removed from All Areas Which Restrict Specified Capabilities for Pipe Movement | |
| ML19350C748 | 30 March 1981 | Final Deficiency Rept Re Integrity of Containment Airlock Electrical Penetration,Initially Reported 810227.Conduits Have Been Removed & Penetrations Capped Off to Negate Potential for Leakage | |
| ML19350D383 | 8 April 1981 | Final Deficiency Rept Re Incorrect Insulation Weight Used in Piping Analysis,Initially Reported on 800424.Reanalysis of 16 Piping Analysis Problems Was Performed,Resulting in Structural Mods to Approx 35 Supports | |
| ML19351A294 | 9 October 1989 | Part 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 | |
| ML19351E569 | 2 December 1980 | Second Interim Deficiency Rept Re Analysis of Intermediate Break Locations.Evaluation of Possible Consequences of Postulated Breaks Has Not Been Completed.Next Rept Will Be Submitted by 810121 | |
| ML19351E630 | 26 November 1980 | Final Deficiency Rept Re Broken Spring in Pressurizer Safety Valve,Initially Reported 801029.Part 21 Is Also Applicable. Failure Apparently Caused by Quench Cracks in Spring Matl. Replaced W/Crosby Valve & Gauge Co Spring | |
| ML19351F977 | 12 February 1981 | Second Interim Deficiency Rept SQRD-50-328/81-04 Re Asco Solenoid Valves Not Qualified for Certain post-accident Environs in Annulus,Initially Reported 801208.Solenoids Will Be Replaced.Next Rept Expected by 810317 | |
| ML19351G558 | 18 February 1981 | Third Interim Deficiency Rept (Ncr SQN Eeb 8023,et Al) Re Environ Qualification of Electrical Equipment,Initially Reported 801024.Environ Qualification Documentation Still Being Gathered from Vendors | |
| ML19352A139 | 4 March 1981 | Final Deficiency Rept Re Failure of Containment Isolation Valve Limit Switches to Meet Environ Qualification in Event of Accident,Initially Reported on 810202.Unqualified Limit Switches Will Be Replaced | |
| ML19352A153 | 2 March 1981 | Second Interim Deficiency Rept,Originally Reported 801212,re Retrievable Info from Valve Tag Numbers.Manufacturers Catalogs Being Used to Obtain Valve Data.Discrepancies Being Analyzed.Next Rept to Be Submitted by 810401 | |
| ML19353A200 | 2 January 1981 | First Interim Deficiency Rept Re Stress Corrosion Cracking in Tubing on Reactor Coolant Pump Oil Coolers,Initially Reported on 801202.Util Is Considering Replacement of 90-10 copper-nickel Tubing.Next Rept Will Be Forwarded by 810203 | |
| ML20002A789 | 14 November 1980 | First Interim Deficiency Rept Re Nonreinforced Concrete Masonry Block Walls.Walls Have Been Identified & Design Criteria Developed for Usage in Structural Analysis.Next Rept Will Be Submitted by 810120 | |
| ML20002D086 | 13 January 1981 | Revised Final Deficiency Rept,Initially Reported on 800407, Re Environ Qualification of Class IE Instruments in Valve Room.Deletes Erroneous Statement in Safety Implications Section for SQN Eeb 8004,Item 6 | |
| ML20002D089 | 9 January 1981 | Interim Deficiency Rept,Originally Reported on 811210,re Fillet Weld Misspecification.Util in Process of Evaluating American Iron & Steel Inst Stds & Affected Welds.Next Rept Will Be Submitted by 810303 |