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| Issue date | Title | Topic | |
|---|---|---|---|
| ML17265A760 | 5 October 1999 | Part 21 Rept Re W2 Switch Supplied by W Drawn from Stock, Did Not Operate Properly After Being Installed on 990409. Switch Returned to W on 990514 for Evaluation & Root Cause Analysis | |
| ML17265A753 | 23 September 1999 | Part 21 Rept Re Corrective Action & Closeout of 10CFR21 Rept of Noncompliance Re Unacceptable Part for 30-4 Connector. Unacceptable Parts Removed from Stock & Scrapped | |
| ML17265A729 | 29 July 1999 | Interim Part 21 Rept Re safety-related DB-25 Breaker Mechanism Procured from W Did Not Pas Degradatin Checks When Drawn from Stock to Be Installed Into BUS15/03A.Holes Did Not line-up & Tripper Pan Bent | |
| ML17265A676 | 16 June 1999 | Part 21 Rept Re Defects & noncompliances,10CFR21(d)(3)(ii), Which Requires Written Notification to NRC on Identification of Defect or Failure to Comply. Relays Were Returned to Eaton for Evaluation & Root Cause Analysis | |
| ML17265A665 | 27 May 1999 | Interim Rept Re W2 Control Switch,Procured from W,Did Not Operate Satisfactorily When Drawn from Stock to Be Installed in Main Control Board for 1C2 Safety Injection Pump. Estimated That Evaluation Will Be Completed by 991001 | |
| ML17265A659 | 17 May 1999 | Part 21 Rept Re Relay Deficiency Detected During pre-installation Testing.Caused by Incorrectly Wired Relay Coil.Relays Were Returned to Eaton Corp for Investigation. Relays Were Repaired & Retested | |
| ML17265A638 | 7 May 1999 | Part 21 Rept Re Replacement Turbocharger Exhaust Turbine Side Drain Port Not Functioning as Design Intended.Caused by Manufacturing Deficiency.Turbocharger Was Reaasembled & Reinstalled on B EDG | Commercial Grade Dedication |
| ML17265A636 | 23 April 1999 | Part 21 Rept Re Power Supply That Did Not Work Properly When Drawn from Stock & Installed in -25 Vdc Slot.Power Supply Will Be Sent to Vendor to Perform Failure Mode Assessment.Evaluation Will Be Completed by 991001 | |
| ML17265A655 | 9 April 1999 | Initial Part 21 Rept Re Mfg Deficiency in Replacement Turbocharger for B EDG Supplied by Coltec Industries. Deficiency Consisted of Missing Drain Port in Intermediate Casing.Required Oil Drain Port Machined Open | |
| ML17265A415 | 10 September 1998 | Part 21 Rept Re 980325 Discovery of Missing Tripper Bar Tabs During Troubleshooting of DB-75 Breaker Failure.Caused by Failure to Notify Technician of Revised Procedure to Reinstall Tabs.Inspected All DB-75 Breakers | |
| ML17265A403 | 12 August 1998 | Part 21 Rept Re W DB-75 Circuit Breakers W/Missing Tripper Bar Tabs.Caused by Intermittent Failure to Close in DB-75 B EDG Supply Circuit Breaker to Bus #16.Licensee Nuclear Engineering Personnel Are Performing Vendor Document Review | |
| ML20236J105 | 29 June 1998 | Part 21 30 Day Written Rept Re Refurbished DB-25 Circuit Breaker Returned W/Missing Pin in Operating Mechanism.Spare DB-25 Circuit Breaker Was Inspected,Tested & Installed to Restore B Service Water Pump to Service | |
| ML17265A318 | 8 June 1998 | Part 21 Rept Re Receipt of Refurbished DB-25 Circuit Breaker W/Missing Part from W Replacement Components Svcs on 980608. Spare DB-25 Circuit Breaker Was Inspected,Tested & Installed to Restore B Swp to Svc | |
| ML20248F353 | 21 May 1998 | Part 21 Rept Re Electronic Equipment Repaired or Reworked by Integrated Resources,Inc from Approx 930101-980501.Caused by 1 Capacitor in Each Unit Being Installed W/Reverse Polarity. Policy of Second Checking All Capacitors Is Being Adopted | Reverse polarity |
| ML17309A624 | 15 January 1998 | Deficiency Rept Re Failure of Shunt Trip Coil Plunger to Return to Deenergized Position Resulting in Breaker Tripper Bar Being Maintained in Trip Free Position,Preventing DB-75 Air Circuit Breaker from Closing.Failed Assembly Replaced | |
| ML17264B140 | 22 December 1997 | Part 21 Rept Re Binding Plunger of Assembly Shunt Trip Coil on 971114.Failed Shunt Trip Coil Was Replaced W/Spare from Stock | |
| ML17309A621 | 29 September 1997 | Part 21 Rept Re Final Disposition of Masterflow 713 & Embeco 636 Grout Nonconformance Reported by Master Builders,Inc. Licensee Continuing to Monitor shelf-life of Masterflow 713 & Embeco 636 Grouts Produced at Rancho Cucamonga | |
| ML17264A938 | 10 July 1997 | Deficiency Rept Re Potential Safety Hazard Associated w/FM-Alco 251 Engin,High Pressure Fuel tube-catalog: 4401031-2 in Which Dual Failure Mode Exists.Caused by Incorrect Forming Process | |
| ML20133E800 | 8 January 1997 | Deficiency Rept Re Nonconformance Related to Masterflow 713 Grout,Which Master Builders,Inc Has Supplied as Nuclear SR Product to 18 Npps.Cause Unknown.Requests That Listed Info Be Provided to Gain Insight as to Scope & Possible Cause | |
| ML17264A730 | 6 November 1996 | Part 21 Rept Re Defective 350 HP,1800 RPM,460 VAC,3 Phase, 5006P Frame,1.15 Sf,Vertical Hollow Shaft Motor Used as Service Water Pump motor.Safety-Relayed Cgiee Revised to Enhance Steps for Exam of Windings & Workmanship | |
| ML17264A733 | 10 October 1996 | Part 21 Rept Re Defect in 350 HP,1800 RPM,460 VAC,3 Phase, 500GP frame,1.15 Sf Vertical Hollow Shaft Motor for Use as Svc Water Pump Motor.Motor Removed,Disassembled,Inspected, Refurbished,Reinstalled & Satisfactorily Tested | |
| ML20115J398 | 22 July 1996 | Interim Part 21 Rept Re 3/4 Schedule 80 Pipe Furnished to Consolidated Power Supply.Investigation Revealed Only One Nuclear Customer Involved in Sale of Matl | |
| ML20115F247 | 3 July 1996 | Part 21 Rept Re Piping (Small Portion of Unmelted Matl Drawn Lengthwise Into Bar During Drawing Process) Defect That Existed in Bar as Received from Mill.Addl Insp Procedure for Raw Matl Instituted | |
| ML17264A170 | 28 September 1995 | Part 21 Rept Re Fuel Oil Booster Pump post-maint Testing Revealed Fuel Oil Sys Pressure Readings of 32 PSIG in Required Action Low Range.Plant Personnel Installed Rebuilt Fuel Oil Booster Pump on B EDG | |
| ML20095K036 | 28 August 1995 | Part 21 Rept Re Failure of Diesel Min Operating Fuel Oil Pressure Pump Mfg by Tuthill Corp.Safety Hazard May Be Created If Emergency DG B Not Able to Maintain Design Load Rating.Pump End Play Clearance Adjusted | |
| ML17264A109 | 14 July 1995 | Part 21 Rept Re 14 Inch air-operated Butterfly Valve,Used as SW Outlet Valve AOV-4561 Supplied by Fisher Controls Co.On 950418,found That Valve Actuated Opposite from Required Configuration.Actuator Lever Reinstalled | Commercial Grade Dedication |
| ML17309A580 | 16 June 1995 | Initial Part 21 Rept Re air-operated Butterfly Valve Mfg by Fisher Controls Co.Actuator Lever Altered | |
| ML17263A331 | 20 July 1993 | Part 21 Rept Re CCW HXs Mfg by Atlas Industrial Mfg Co.As Result of Eddy Current Exam Performed During 1993 Refueling Outage,Tubes W/Measurable Defects at Tube Plate Locations That Exceeded 70% of Tube Wall Thickness Removed from Svc | Flow Induced Vibration |
| ML17263A323 | 22 June 1993 | Initial Part 21 Rept Re High Component Cooling Water Flow Results in flow-induced Vibration of HX Tubes Mfg by Atlas Industrial Mfg Co & Subsequent Tube Degradation.Tubes W/ Through Wall Indications Greater than 70% Plugged | |
| ML20126J596 | 31 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 | Hydrostatic |
| ML20125C716 | 7 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 | Stroke time Anchor Darling |
| ML20127P586 | 23 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 | |
| ML17262A982 | 28 August 1992 | Interim Part 21 Rept Re Weld Overlap Area on body-to-bonnet Weld on 1/2-inch ASME Class II Valve Purchased from Henry Vogt Machine Co.Weld Will Be liquid-penetrant Tested Per ASME Class 2 Requirements.Completion Scheduled by 911215 | |
| ML17262A834 | 4 May 1992 | Interim Part 21 Rept Re 920313 Discovery of Potential Inaccuracies Associated W/Using Open Calibr Approach to Measure Closing Stem Thrust of Movs.Program for re- Evaluation of Previous Test Results in Progress | |
| ML17262A781 | 23 March 1992 | Part 21 Rept Re Victoreen,Inc Failure to Perform Calibr on Field Calibr Source Series 877 Detector Used in Radiation Monitoring Sys.Quality of Receipt Insp Will Be Improved Through Use of Health Physics Representative | |
| ML17262A775 | 23 March 1992 | Interim Part 21 Rept Re Deficiencies W/Movs V826B,V738B & V871A & Two Two Inch Velan Manual 1500 ASME Class II Valves. Further Investigation Being Conducted by Noncompliance Repts Processing Group | |
| ML17262A769 | 24 February 1992 | Part 21 Re Victoreen Field Calibr Source Being Accepted W/O Meeting Purchase Order Requirements.Initially Reported on 920220.Field Source Will Be Calibr & Returned in Apr 1992 | |
| ML17250B249 | 4 September 1991 | Forwards 10CFR21 Evaluation & Notification Re Design Defect of Solid State Switch Printed Circuit Cards for 480 Volt Safeguards Undervoltage Monitoring/Protection Sys | |
| ML17262A262 | 30 November 1990 | Part 21 Rept Re Chilled Water Sys.Initially Reported on 901030.Evaluation of Perry Plant Will Be Sent by 901230 | |
| ML17261B078 | 15 June 1990 | Part 21 Rept Re Potential Common Mode Failure of OT-2 Type Reset Switches Supplied by Westinghouse.Plungers for Listed OT-2 Type Reset Switches Verified to Be in Proper Position. Separate Independent Switches for Each Train Will Be Added | |
| ML17250B183 | 31 May 1990 | Part 21 Rept Re Potential Matl Defect of SMA Type Torque Switches Supplied by Limitorque During Late 1960s.Loose Torque Switch Mounting Socket Head Bolts &/Or Wire Termination Bolts Found on 19 of 26 Valve Actuators | |
| ML17251A498 | 12 May 1989 | Part 21 Rept Re Degradation to Pumping Ring from RHR Pumps Supplied by Pacific Pump,Inc & Mechanical Seal Supplied by Crane Packing Co.Conditon Technically Not 10CFR21 Reportable Due to 1978 Date of Occurrence | |
| ML20246K740 | 26 April 1989 | Part 21 Rept Re Incorrectly Stamped Name Plates on Certain Asco Nuclear Qualified Valves.Vendor Will Contact Each Affected Facility & Furnish Correctly Stamped Plates & in Near Future Discontinue Sale of Rebuild Kits for Valves | |
| ML17261A871 | 28 February 1989 | Part 21 Rept Re Crimping Indentor Component Not Machined to Proper Dimensions Causing Tool to Be Out of Calibr Specs. Qualified Tool Furnished by Vendor as Replacement for Defective Item.Crimping Tools Satisfactorily Tested | Safe Shutdown |
| ML17261A530 | 18 June 1987 | Part 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 | |
| ML20134Q174 | 29 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 | |
| ML20134H009 | 23 August 1985 | Part 21 Rept Re Micro Instrument Corp Design Error When Upgrading Auxiliary Bldg Main Hoist Backup Hydraulic Brake Sys.Design Mod Incorporated Hydraulic Valve Which Prevented Hydraulic Pressure Release & Backup Brake Engagement | |
| ML20106C268 | 3 December 1984 | Part 21 Rept Re Design Error When Upgrading Catalytic,Inc post-accident Filter Duct Butterfly Valve Solenoids.Design Spec Called for Wrong Failure Position for Solenoids. Solenoids Replaced | |
| ML20010C688 | 6 August 1981 | Interim Deficiency Rept Re Potentially Reportable Diesel Generator Starting Air Sys Design,Initially Reported 810803. Generator Supplier Will Be Contacted to Determine Whether Deficiency Exists.Problem Suspected to Be Generic in Nature | Safe Shutdown |