Information Notices - 1992

Document NumberTitleRevisionPublish DateReviewed Date
IN-92-86Unexpected Restriction to Thermal Growth of Reactor Coolant Piping--12/24/1992--
IN-92-85Potential Failures of Emergency Core Cooling Systems Caused By Foreign Material Blockage--12/23/1992--
IN-92-84Release of Patients Treated with Temporary Implants--12/17/1992--
IN-92-83Thrust Limits for Limitorque Actuators and Potential Overstressing of Motor-Operated Valves--12/17/1992--
IN-92-82Results of Thermo-Lag 330-1 Combustibility Testing--12/15/1992--
IN-92-81Potential Deficiency of Electrical Cables with Bonded Hypalon Jackets--12/11/1992--
IN-92-80Operation with Steam Generator Tubes Seriously Degraded--12/07/1992--
IN-92-79Non-Power Reactor Emergency Event Response--12/01/1992--
IN-92-78Piston to Cylinder Liner Tin Smearing on Cooper-Bessemer KSV Diesel Engines--11/30/1992--
IN-92-77Questionable Selection and Review to Determine Suitability of Electropneumatic Relays for Certain Applications--11/17/1992--
IN-92-76Supplement 1 to NUREG-1358, "Lessons Learned ... Inspection Program for Emergency Operating Procedures (10/88 - 9/91)"--11/13/1992--
IN-92-75Unplanned Intakes of Airborne Radioactive Material By Individuals at Nuclear Power Plants--11/12/1992--
IN-92-74Power Oscillations at Washington Nuclear Power Unit 2--11/10/1992--
IN-92-73Removal of a Fuel Element From a Research Reactor Core While Critical--11/04/1992--
IN-92-72Employee Training and Shipper Registration Requirements for Transporting Radioactive Materials--10/28/1992--
IN-92-71Partial Plugging of Suppression Pool Strainers at a Foreign BWR--09/30/1992--
IN-92-70Westinghouse Motor-Operated Valve Performance Data Supplied to Nuclear Power Plant Licensees--09/25/1992--
IN-92-69Water Leakage From Yard Area Through Conduits Into Buildings--09/22/1992--
IN-92-68Potentially Substandard Slip-On Welding Neck, and Blind FlangesS109/16/1996--
IN-92-67Deficiency in Design Modifications to Address Failures of Hiller Actuators Upon a Gradual Loss of Air Pressure--09/10/1992--
IN-92-66Access Denied to NRC Inspectors at Five Star Products, Inc. and Construction Products Research, Fairfield, Connecticut--09/01/1992--
IN-92-65Safety System Problems Caused By Modifications That Were Not Adequately Reviewed and Tested--09/03/1992--
IN-92-64Nozzle Ring Settings in Low Pressure Water-Relief Valves--08/28/1992--
IN-92-63Cracked Insulators in ASL Dry Type Transformers Manufactured By Westinghouse Electric Corporation--08/26/1992--
IN-92-62Emergency Response Information Requirements for Radioactive Material Shipments--08/24/1992--
IN-92-61Loss of High Head Safety InjectionS111/06/1992--
IN-92-60Valve Stem Failure Caused by Embrittlement--08/20/1992--
IN-92-59Horizontally-Installed Motor-Operated Gate Valves111/02/1992--
IN-92-58Uranium Hexafluoride Cylinders - Deviations in Coupling Welds--08/12/1992--
IN-92-57Radial Cracking of Shroud Support Access Hole Cover Welds--08/11/1992--
IN-92-56Counterfeit Valves in the Commercial Grade Supply System--08/06/1992--
IN-92-55Current Fire Endurance Test Results for Thermo-Lag Fire Barrier Material--07/27/1992--
IN-92-54Level Instrumentation Inaccuracies Caused by Rapid Depressurization--07/24/1992--
IN-92-53Potential Failure of Emergency Diesel Generators Due to Excessive Rate of Loading--07/29/1992--
IN-92-52Barriers and Seals Between Mild and Harsh Environments--07/15/1992--
IN-92-51Misapplication and Inadequate Testing of Molded- Case Circuit BreakersS104/11/1994--
IN-92-50Cracking of Valves in the Condensate Return Lines of a BWR Emergency Condenser System--07/02/1992--
IN-92-49Recent Loss or Severe Degradation of Service Water Systems--07/02/1992--
IN-92-48Failure of Exide Batteries--07/02/1992--
IN-92-47Intentional Bypassing of Automatic Actuation of Plant Protective Features--06/29/1992--
IN-92-46Thermo-Lag Fire Barrier ... Review Team ... Findings, Current Fire Endurance Tests, and Ampacity Calculation ErrorsFINAL REPORT04/17/1992--
IN-92-45Incorrect Relay Used in Emergency Diesel Generator Output Breaker Control Circuitry--06/22/1992--
IN-92-44Problems with Westinghouse DS-206 and DSL-206 Type Circuit Breakers--06/18/1992--
IN-92-43Defective Molded Phenolic Armature Carriers Found on Elmwood Contactors--06/09/1992--
IN-92-42Fraudulent Bolts in Seismically Designed Walls--06/01/1992--
IN-92-41Consideration of the Stem Rejection Load in Calculation of Required Valve Thrust--05/29/1992--
IN-92-40Inadequate Testing of Emergency Bus Undervoltage Logic Circuitry--05/27/1992--
IN-92-39Unplanned Return to Criticality During Reactor Shutdown--05/13/1992--
IN-92-38Implementation Date ... Revision ... EPA Manual of Protective Action Guides and Protective Actions for Nuclear Incidents--05/12/1992--
IN-92-37Implementation of the Deliberate Misconduct Rule--05/08/1992--
IN-92-36Intersystem LOCA Outside ContainmentS102/22/1994--
IN-92-35Higher ... Erosion/Corrosion in Unisolable Reactor Coolant Pressure Boundary Piping Inside Containment at a BWR--05/06/1992--
IN-92-34New Exposures Limits for Airborne Uranium and Thorium--05/06/1992--
IN-92-33Increased Instrument Response Time When Pressure Dampening Devices are Installed--04/30/1992--
IN-92-32Problems ... Emergency Ventilation Systems for Near-Site ... Emergency Operations Facilities & Technical Support Centers--04/29/1992--
IN-92-31Electrical Connection Problem in Johnson Yokogawa Corporation YS-80 Programmable Indicating Controllers--04/27/1992--
IN-92-30Falsification of Plant Records--04/23/1992--
IN-92-29Potential Breaker Miscoordination Caused by Instantaneous Trip Circuitry--04/17/1992--
IN-92-28Inadequate Fire Suppression System Testing--04/08/1992--
IN-92-27Thermally Induced Accelerated Aging and Failure of ITE/Gould A.C. Relays Used in Safety-Related ApplicationsS103/21/1997--
IN-92-26Pressure Locking of Motor-Operated Flexible Wedge Gate Valves--04/02/1992--
IN-92-25Potential Weakness in Licensee Procedures for a Loss of the Refueling Cavity Water--03/31/1992--
IN-92-24Distributor Modification to Certain Commercial-Grade Agastat Electrical Relays--03/30/1992--
IN-92-23Results of Validation Testing of Motor-Operated Valve Diagnostic Equipment--03/27/1992--
IN-92-22Criminal Prosecution and Conviction of Wrongdoing Committed by a Commercial-Grade Valve Supplier--03/24/1992--
IN-92-21Spent Fuel Pool Reactivity CalculationsS104/22/1992--
IN-92-20Inadequate Local Leak Rate Testing--03/03/1992--
IN-92-19Misapplication of Potter & Brumfield MDR Rotary Relays--03/02/1992--
IN-92-18Potential for Loss of Remote Shutdown Capability During a Control Room Fire--02/28/1992--
IN-92-17NRC Inspections of Programs Being Developed at Nuclear Power Plants in Response to Generic Letter 89-10--02/26/1992--
IN-92-16Loss of Flow From the Residual Heat Removal Pump During Refueling Cavity DraindownS208/23/1993--
IN-92-15Failure of Primary Compression Fitting--02/24/1992--
IN-92-14Uranium Oxide Fires at Fuel Cycle Facilities--02/21/1992--
IN-92-13Inadequate Control Over Vehicular Traffic at Nuclear Power Plant Sites--02/18/1992--
IN-92-12Effects of Cable Leakage Currents on Instrument Settings and Indications--02/10/1992--
IN-92-11Soil and Water Contamination at Fuel Cycle Facilities--02/05/1992--
IN-92-10Brachytherapy Incidents Involving Iridium-192 Wire Used in Endobronchial Treatments--01/31/1992--
IN-92-09Overloading and Subsequent Lock Out of Electrical Buses During Accident Conditions--01/30/1992--
IN-92-08Revised Protective Action Guidance for Nuclear Incidents--01/23/1992--
IN-92-07Rapid Flow-Induced Erosion/Corrosion of Feedwater Piping--01/09/1992--
IN-92-06Reliability of ATWS Mitigation Systems and Other NRC-Required Equipment Not Controlled by Plant Technical SpecificationsS107/01/1993--
IN-92-05Potential Coil Insulation Breakdown in ABB RXMH2 Relays--01/08/1992--
IN-92-04Potter & Brumfield Model MDR Rotary Relay Failures--01/06/1992--
IN-92-03Remote Trip Function Failures in General Electric F-Frame Molded-Case Circuit Breakers--01/06/1992--
IN-92-02RELAP5/MOD3 Computer Code Error Associated with the Conservation of Energy Equation--01/03/1992--
IN-92-01Cable Damage Caused by Inadequate Cable Installation Procedures and Controls--01/03/1992--

Page Last Reviewed/Updated Wednesday, March 24, 2021