ML19326B498
| ML19326B498 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 02/03/1973 |
| From: | Phillips J ARKANSAS POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML19326B496 | List: |
| References | |
| 21224, NUDOCS 8004150834 | |
| Download: ML19326B498 (1) | |
Similar Documents at Arkansas Nuclear | |
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Category:DEFICIENCY REPORTS (PER 10CFR50.55E & PART 21)
MONTHYEARML20154E2171998-09-28028 September 1998
[Table view]Follow-up Part 21 Rept Re Defect with 1200AC & 1200BC Recorders Built Under Westronics 10CFR50 App B Program. Westronics Has Notified Bvps,Ano & RBS & Is Currently Making Arrangements to Implement Design Mods LD-98-024, Part 21 Rept Re Deficiency in CE Current Screening Methodology for Determining Limiting Fuel Assembly for Detailed PWR thermal-hydraulic Sa.Evaluations Were Performed for Affected Plants to Determine Effect of Deficiency1998-08-13013 August 1998 Part 21 Rept Re Deficiency in CE Current Screening Methodology for Determining Limiting Fuel Assembly for Detailed PWR thermal-hydraulic Sa.Evaluations Were Performed for Affected Plants to Determine Effect of Deficiency ML20236X2351998-08-0505 August 1998 Part 21 Rept Re Defect Associated W/Westronics 1200AC & 1200BC Recorders Built Under Westronics 10CFR50,App B Program.Beaver Valley,Arkansas Nuclear One & River Bend Station Notified.Design Mod Is Being Developed ML20249B7791998-06-22022 June 1998 Part 21 Rept Re Findings,Resolutions & Conclusions Re Failure of Safety Related Siemens 4KV,350 MVA,1200 a Circuit Breakers to Latch Closed ML20217C2481998-04-21021 April 1998 Potential Part 21 Rept Re Failure of Siemens Circuit Breaker to Close Latch in Test Position W/Ge Test Flag Installed. Cause Indeterminate.Will Ship Identified Circuit Breakers to Siemens Mfg Facility in Wendell,Nc for Checking Procedure LD-97-033, Part 21 Rept Re Defect in Potter & Brumfield Mdr Relays, Models 170-1 & 7032.Extended Problem to Include All Mdr Relay Models W/Date Codes 93XX-95XX.Root Cause Analysis, Written Rept & Recommended Corrective Actions Due by 9712011997-11-20020 November 1997 Part 21 Rept Re Defect in Potter & Brumfield Mdr Relays, Models 170-1 & 7032.Extended Problem to Include All Mdr Relay Models W/Date Codes 93XX-95XX.Root Cause Analysis, Written Rept & Recommended Corrective Actions Due by 971201 LD-97-028, Part 21 Rept Re Contamination of Lubricant Which Has Led to Hardening of Lubricant in Certain Potter & Brumfield Mdr Relay Models 170-1 & 7032.Will Distribute Copy of Rept to Utils Having ABB-CE Designed Nuclear Steam Supply Sys1997-10-13013 October 1997 Part 21 Rept Re Contamination of Lubricant Which Has Led to Hardening of Lubricant in Certain Potter & Brumfield Mdr Relay Models 170-1 & 7032.Will Distribute Copy of Rept to Utils Having ABB-CE Designed Nuclear Steam Supply Sys ML20211M6491997-10-0808 October 1997 Addenda 1 to Part 21 Rept Re Weldments on Opposed Piston & Coltec-Pielstick Emergency stand-by Diesel gen-set lube-oil & Jacket Water Piping Sys.Revised List of Potentially Affected Utils to Include Asterisked Utils,Submitted ML20211H7911997-09-30030 September 1997 Part 21 Rept Re Failure of Weldment Associated w/lube-oil Piping Sys on 970804 at Millstone,Unit 2.Root Cause Is Not Yet Known.Quality of Weldment Is Being Considered.Listed Util Sites Affected LD-97-024, Part 21 Rept Re Error in Energy Redistribution Factor Used in LOCA Analysis for Listed Plants for Which ABB-CE Performed Analysis.Issued Recommendations Info Bulletin 97-0041997-08-14014 August 1997 Part 21 Rept Re Error in Energy Redistribution Factor Used in LOCA Analysis for Listed Plants for Which ABB-CE Performed Analysis.Issued Recommendations Info Bulletin 97-004 ML20134B2301997-01-24024 January 1997 Final Part 21 Rept Re Potential Safety Concern on Matl Used for Fabrication of Permanent Canal Seal Plate.Correpondence W/Fabricator & Matl Supplier Documents Tig Automated Welding Process Used to Fabricate Angle Pieces LD-96-045, Part 21 Rept Re Application of Certain Aspects of ABB-CE Safety Analysis Methodology1996-10-18018 October 1996 Part 21 Rept Re Application of Certain Aspects of ABB-CE Safety Analysis Methodology LD-96-009, Part 21 Rept Re Potential Instrumentation Decalibr at Low Power.Affected Utils Should Ensure That Log Power Channels Properly Calibr & cross-correlated to Linear Power Channels at 100% Reactor Power1996-04-15015 April 1996 Part 21 Rept Re Potential Instrumentation Decalibr at Low Power.Affected Utils Should Ensure That Log Power Channels Properly Calibr & cross-correlated to Linear Power Channels at 100% Reactor Power ML20101N8441996-04-0505 April 1996 Interim Part 21 Rept Re Potential Safety Concern on Matl for Fabrication of Permanent Canal Seal Plate.Licensee Will Provide Final Rept to NRC in Approx Six Months Upon Completion of Evaluation of Welds ML20082E7421995-04-0404 April 1995 Part 21 Rept Re Nonconformance in Dresser Industries,Inc (Dresser) MSSV Owned by Entergy Operations,Inc ANO Unit 1. Part Used in Safety Valve That Was Not Mfg to Spec Requirements & Not Mfg Nor Provided by Dresser ML20070Q5721994-05-10010 May 1994 Part 21 Rept Re Potential Defect of Samtec,Inc 11-pin Connector Socket in Pro Series Bargraph Instrumentation. All safety-related Bargraphs That May Contain Suspect Connector Have Been Identified & Licensee Notified ML20059H7721994-01-17017 January 1994 Part 21 Rept Re Virginia Power Notifying Fairbands Morse Via Failure Analysis Rept NESML-Q-058 of Defective Air Start Distributor cam,16104412 ML20059F2631994-01-0707 January 1994 Part 21 Rept Re Air Start Distributor Cam Mfg by Fairbanks Morse.Mfg Suggests That Site Referenced in Encl App I Inspect Air Start Distributor Cam as Soon as Practical ML20058G5981993-11-17017 November 1993 Part 21 Rept Re Westronics Recorders,Model 2100C.Signal Input Transition Printed Circuit Board Assembly Redesigned to Improve Recorder Immunity to Electromagnetic Interference.List of Affected Recorders & Locations Encl ML20057G1511993-10-0707 October 1993 Part 21 Rept Re Westronics Model 2100C Series Recorders. Informs That Over Several Tests,Observed That Recorder Would Reset During Peak Acceleration & Door Being Forced Off Recorder.Small Retaining Clips Added to Bottom of Door ML20044G5011993-05-26026 May 1993 Part 21 Rept Re Buffer Amplifier Modules Mfg by Bailey Controls Co Containing Suspect Negative Ref Power Supply Having Safety Implications.Caused by Design Error in Circuitry.Modules Would Not Result in Miscalibration ML20044G5311993-05-26026 May 1993 Suppl to 921207 Part 21 Rept Re Declutch Sys Anomaly in Certain Types of Valve Actuators Supplied by Limitorque Corp.Limitorque Designed New Declutch Lever Which Will Be Available in First Quarter 1993 LD-93-003, Part 21 Rept Re Defect in Potter & Brumfield Model 170-1 Relay.One of Two Rotor Return Springs Broke & Portion of Spring Lodged Between Rotor & Stator.Rotor Springs Supplied by Lewis Spring Co.Info Bulletin Being Prepared1993-01-13013 January 1993 Part 21 Rept Re Defect in Potter & Brumfield Model 170-1 Relay.One of Two Rotor Return Springs Broke & Portion of Spring Lodged Between Rotor & Stator.Rotor Springs Supplied by Lewis Spring Co.Info Bulletin Being Prepared ML20126J5961992-12-31031 December 1992 Part 21 Rept Re Potential Loss of RHR Cooling During Nozzle Dam Removal.Nozzle Dams May Create Trapped Air Column Behind Cold Leg Nozzle Dam.Mod to Nozzle Dams Currently Underway. Ltrs to Affected Utils Encl ML20126F8081992-12-22022 December 1992 Part 21 Rept Re Possible Condition of Gag Plug in Cap of Valves That Cause Valves Not to Lift to Requirement for Providing Full Capacity.Affected Customers Notified.Removal of Caps &/Or Gag Plugs Recommended ML20125C7161992-12-0707 December 1992 Part 21 Rept Re Possibility for Malfunction of Declutching Mechanisms in SMB/SB-000 & SMB/SB/SBD-00 Actuators. Malfunction Only Occurs During Seismic Event.Balanced Levers May Be Purchased from Vendor.List of Affected Utils Encl ML20127P5861992-11-23023 November 1992 Followup to 921005 Part 21 Rept Re Potential Defect in SB/SBD-1 Housing Cover Screws.Procedure Re Replacement of SBD-1 Spring Cover Bolts Encl.All Fasteners Should Be Loosened & Removed.List of Affected Utils Encl 0CAN119206, Part 21 Rept Re Inadequacy of Asea Brown Boveri (ABB) ITE-62L Solid State Relays W/Respect to Electrical Noise Immunity.Subj Relays Installed in Unit 1 RB Cooler Control Circuitry Will Be Replaced During Unit 1 Refueling Outage1992-11-11011 November 1992 Part 21 Rept Re Inadequacy of Asea Brown Boveri (ABB) ITE-62L Solid State Relays W/Respect to Electrical Noise Immunity.Subj Relays Installed in Unit 1 RB Cooler Control Circuitry Will Be Replaced During Unit 1 Refueling Outage ML20115C7151992-10-13013 October 1992 Initial Part 21 Rept Re ABB Pneumatic Timers in Control Circuits for EDG Svc Water Pumps & Reactor Bldg Cooling Fans Exhibiting Early time-out.Significant Disagreement Exists Between Util & Vendor Over Testing Requirements ML20118B2191992-09-23023 September 1992 Suppl to Part 21 Rept Re Potential Deviation in Some Bailey Controls Co 88 Series Modules,Transmitted Via .One Module Found Incapable of Reaching 100% Output at Max Rated Load.Recommends That Circuit Board Assemblies Be Inspected ML20079G5601991-09-16016 September 1991 Part 21 Rept Re Mismatch in Heat Duty Between Air Cooler HX & Jacket Water Hx,Discovered During Review of Generic Ltr 89-13.Initially Reported on 910913.Results of Analysis of Six Different non-design Scenarios Submitted ML20077A4041991-04-29029 April 1991 Deficiency Rept Re Possible Mfg Problems W/Certain Coils Used on Asco Nuclear Qualified Valves.Problems Discussed in NRC Info Notice 86-057.All Purchasers Will Be Notified & Replacement Product Will Be Offered If Item Still in Svc L-91-002, Supplemental Part 21 Rept Re GE Reactor Trip Breakers Used in safety-grade Equipment.Initially Reported on 901228.List of Plants Supplied w/C-E Breakers Encl1991-01-0404 January 1991 Supplemental Part 21 Rept Re GE Reactor Trip Breakers Used in safety-grade Equipment.Initially Reported on 901228.List of Plants Supplied w/C-E Breakers Encl ML20012C1051990-03-0707 March 1990 Part 21 Rept Re Several Failures of Fairbanks Morse Engine Div Piston Pins/Bushings on Upper Pistons.Caused by Incorrect Surface Pattern on Piston Pins.Piston Pins Under Listed Purchase Orders to Be Removed & Replaced NRC-89-3462, 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 Shipment1989-10-0909 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 ML20205F3211988-10-10010 October 1988 Part 21 Rept Re Potential Deviation from Tech Spec Concerning Ry Indicators Due to Operating Temp Effect on Analog Meter Movement.Initially Reported on 881006.Customers Verbally Notified on 881006-07 LD-87-060, Supplemental Part 21 & Deficiency Rept Re Potential Degradation in C-E Pressurizer Heater Sheaths Furnished by Watlow Electric Mfg Co.Initially Reported on 870511.Wetted or Swelled Magnesium Oxide Sleeve Could Cause Fracture1987-10-30030 October 1987 Supplemental Part 21 & Deficiency Rept Re Potential Degradation in C-E Pressurizer Heater Sheaths Furnished by Watlow Electric Mfg Co.Initially Reported on 870511.Wetted or Swelled Magnesium Oxide Sleeve Could Cause Fracture ML20213G8591987-05-11011 May 1987 Part 21 Rept Re Degradation in Pressurizer Heater Sheaths Fabricated from Unannealed Inconel 600.Initially Reported on 870506.Unannealed Watlow Heaters Will Be Replaced Prior to Startup ML20211P7211987-02-23023 February 1987 Part 21 Rept Re Rockbestos Coaxial Cable Used in Sorrento Electronics Digital & Analog high-range Radiation Monitor. Insulation Resistance at High Temp Not High Enough for Ion Chamber & Associated Electronics to Operate Properly 0CAN078605, Part 21 Rept Re Deviation from Purchase Order Specifying Environ Qualification for Limitorque-supplied Buchanan 724 Terminal Strips.Initially Reported on 860712.All Strips Returned.Limitorque Operators Under Continuing Review1986-07-16016 July 1986 Part 21 Rept Re Deviation from Purchase Order Specifying Environ Qualification for Limitorque-supplied Buchanan 724 Terminal Strips.Initially Reported on 860712.All Strips Returned.Limitorque Operators Under Continuing Review ML20206S0841986-06-30030 June 1986 Part 21 Rept Re Possible Cut Wires in Wire Harness of Bbc Brown Boveri K600/K800 Circuit Breakers.Initially Reported on 860509.Safety Implications Listed.Gear Guard Designed to Prevent Cut Wires ML20195D2171986-05-27027 May 1986 Rev 1 to Part 21 Rept Re Dowel Displacement on Connecting Rod Bearings Purchased During Nov 1985 - Apr 1986.Initially Reported on 860421.Rod Bearings Will Be Inspected Dimensionally.Further Info Forthcoming ML20153D8861986-02-17017 February 1986 Part 21 Rept Re Failure of Penetration & Conduit Seal Configurations During Fire Tests.Initially Reported on 860214.Evaluation of Number & Location of Defective Seals in Progress.Nrc Assistance Requested ML20140A5281985-12-19019 December 1985 Part 21 Rept Forwarding Ltr Sent to Customers Re Check Valves Missing Lock Welds on Hinge Supports or Hinge Support Capscrews,Per 851121 Request.List of Customers Receiving Ltr Also Encl ML20134Q1741985-08-29029 August 1985 Part 21 Rept Re Potential Maint Issues Associated w/Anker-Holth Snubbers.Owners of Anker-Holth Snubbers Will Be Informed of Problems & Sent Revs to Technical Instruction Manuals to Include Procedures for Seal & Fluid Maint ML20125B1611985-06-0606 June 1985 Supplemental Part 21 Rept Re Addl Circuit Breakers,Furnished as Spares,W/Overcurrent Trip Devices That May Have Short Time Delay Band Lever.Items Require Insp & Replacement If Link Found Incorrect ML20126C6901985-06-0505 June 1985 Part 21 Rept Re Generator Failure.Concurs W/Encl Louis Allis That Interpolar Connectors Be Removed ML20024D2961983-07-29029 July 1983 Part 21 Rept Re Small Break Operating Guidelines Not Considering Overcooling Transients Caused by Disregarding Extent or Rate of Cooldown.Instructions Sent to Affected Plants Explaining Potential Misuse of Guidelines ML20010F7911981-08-27027 August 1981 Part 21 Rept Re Effects of Spurious Opening of Turbine Bypass Sys Valves on Nuclear Supply Sys.Potential Single Active Failure Could Result in Possibility of Exceeding DNBR Limits ML19330B9911980-07-18018 July 1980 Supplementary Part 21 Rept Re Possibility That Replacement of Buffer Card PN6624610 for Both Power Trains in Bailey Control Co Buffer Module 824 May Result in Loss of 24 Volt Control Power & safety-related Instrumentation 1998-09-28 Category:TEXT-SAFETY REPORT MONTHYEARML20217L8931999-10-31031 October 1999
[Table view]Rev 1 to BAW-10235, Mgt Program for Volumetric Outer Diameter Intergranular Attack in Tubesheets of Once-Through Sgs 05000313/LER-1999-313, :on 990911,AI of EFWS Occurred During Plant Shutdown as Result of Securing Running RCPs Due to Reverse Rotation of Idle Pump.Caused by Failure of Motor anti-rotation Device.Device Was Replaced.With1999-10-11011 October 1999
1999-09-09 |
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H ELPING B l) l L O ARKANSAS ARK ANS AS POWER & LIGHT COMPANY 97H E. LOUISl AN A STAEETS. LITTLE ACCK. ARK ANS AS 72203*(5013372-4311 February 3, 1973 Mr. Frank Kruesi Director of Regulatory Operations U. S. Atomic Energy Commission Washington, D. C.
20545
Subject:
Arkansas Power S Light Company Arkansas Nuclear One-Lnit 1 Docket No. 50-313 Steam Generator Weld Records Gentlemen:
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On January 5,1973, Arkansas Power G Light Company informed the Regulatory Operations office in Atlanta, Georgia, of a situation which could be considered reportable under 10 CFR 50.55(e)(1)(i),
" Conditions of Construction Permits". This situation involved incomplete documentation in the weld filler material records for the Arkansas Nuclear One-Unit 1 steam generator. A report of the investigation of these records was submitted to the Atomic Energy Commission by Babcock 6 Wilcox during a meeting on this subject in Bethesda, Maryland, on Tuesday, January 30, 1973.
Very truly yours, J. D. Phillips Vice President and Chief Engineer JDP:lt cc:
Mr. John G. Davis Regulatory Operations Region II b.1.90$
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8004150834 COPY SENT prqg[.
C; T AX P AYING, INVESTO A OWNED MEMBE A MlOOwE SOUTH UTILITIES SYL
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