United States Nuclear Regulatory Commission - Protecting People and the Environment

Information Notices - 1992

Document Number Title Revision Publish Date Reviewed Date
IN-92-86 Unexpected Restriction to Thermal Growth of Reactor Coolant Piping -- 12/24/1992 --
IN-92-85 Potential Failures of Emergency Core Cooling Systems Caused By Foreign Material Blockage -- 12/23/1992 --
IN-92-84 Release of Patients Treated with Temporary Implants -- 12/17/1992 --
IN-92-83 Thrust Limits for Limitorque Actuators and Potential Overstressing of Motor-Operated Valves -- 12/17/1992 --
IN-92-82 Results of Thermo-Lag 330-1 Combustibility Testing -- 12/15/1992 --
IN-92-81 Potential Deficiency of Electrical Cables with Bonded Hypalon Jackets -- 12/11/1992 --
IN-92-80 Operation with Steam Generator Tubes Seriously Degraded -- 12/07/1992 --
IN-92-79 Non-Power Reactor Emergency Event Response -- 12/01/1992 --
IN-92-78 Piston to Cylinder Liner Tin Smearing on Cooper-Bessemer KSV Diesel Engines -- 11/30/1992 --
IN-92-77 Questionable Selection and Review to Determine Suitability of Electropneumatic Relays for Certain Applications -- 11/17/1992 --
IN-92-76 Supplement 1 to NUREG-1358, "Lessons Learned ... Inspection Program for Emergency Operating Procedures (10/88 - 9/91)" -- 11/13/1992 --
IN-92-75 Unplanned Intakes of Airborne Radioactive Material By Individuals at Nuclear Power Plants -- 11/12/1992 --
IN-92-74 Power Oscillations at Washington Nuclear Power Unit 2 -- 11/10/1992 --
IN-92-73 Removal of a Fuel Element From a Research Reactor Core While Critical -- 11/04/1992 --
IN-92-72 Employee Training and Shipper Registration Requirements for Transporting Radioactive Materials -- 10/28/1992 --
IN-92-71 Partial Plugging of Suppression Pool Strainers at a Foreign BWR -- 09/30/1992 --
IN-92-70 Westinghouse Motor-Operated Valve Performance Data Supplied to Nuclear Power Plant Licensees -- 09/25/1992 --
IN-92-69 Water Leakage From Yard Area Through Conduits Into Buildings -- 09/22/1992 --
IN-92-68 Potentially Substandard Slip-On Welding Neck, and Blind Flanges S1 09/16/1996 --
-- 09/10/1992 --
IN-92-67 Deficiency in Design Modifications to Address Failures of Hiller Actuators Upon a Gradual Loss of Air Pressure -- 09/10/1992 --
IN-92-66 Access Denied to NRC Inspectors at Five Star Products, Inc. and Construction Products Research, Fairfield, Connecticut -- 09/01/1992 --
IN-92-65 Safety System Problems Caused By Modifications That Were Not Adequately Reviewed and Tested -- 09/03/1992 --
IN-92-64 Nozzle Ring Settings in Low Pressure Water-Relief Valves -- 08/28/1992 --
IN-92-63 Cracked Insulators in ASL Dry Type Transformers Manufactured By Westinghouse Electric Corporation -- 08/26/1992 --
IN-92-62 Emergency Response Information Requirements for Radioactive Material Shipments -- 08/24/1992 --
IN-92-61 Loss of High Head Safety Injection S1 11/06/1992 --
-- 08/20/1992 --
IN-92-60 Valve Stem Failure Caused by Embrittlement -- 08/20/1992 --
IN-92-59 Horizontally-Installed Motor-Operated Gate Valves 1 11/02/1992 --
-- 08/18/1992 --
IN-92-58 Uranium Hexafluoride Cylinders - Deviations in Coupling Welds -- 08/12/1992 --
IN-92-57 Radial Cracking of Shroud Support Access Hole Cover Welds -- 08/11/1992 --
IN-92-56 Counterfeit Valves in the Commercial Grade Supply System -- 08/06/1992 --
IN-92-55 Current Fire Endurance Test Results for Thermo-Lag Fire Barrier Material -- 07/27/1992 --
IN-92-54 Level Instrumentation Inaccuracies Caused by Rapid Depressurization -- 07/24/1992 --
IN-92-53 Potential Failure of Emergency Diesel Generators Due to Excessive Rate of Loading -- 07/29/1992 --
IN-92-52 Barriers and Seals Between Mild and Harsh Environments -- 07/15/1992 --
IN-92-51 Misapplication and Inadequate Testing of Molded- Case Circuit Breakers S1 04/11/1994 --
-- 07/09/1992 --
IN-92-50 Cracking of Valves in the Condensate Return Lines of a BWR Emergency Condenser System -- 07/02/1992 --
IN-92-49 Recent Loss or Severe Degradation of Service Water Systems -- 07/02/1992 --
IN-92-48 Failure of Exide Batteries -- 07/02/1992 --
IN-92-47 Intentional Bypassing of Automatic Actuation of Plant Protective Features -- 06/29/1992 --
IN-92-46 Thermo-Lag Fire Barrier ... Review Team ... Findings, Current Fire Endurance Tests, and Ampacity Calculation Errors -- 06/23/1992 --
IN-92-45 Incorrect Relay Used in Emergency Diesel Generator Output Breaker Control Circuitry -- 06/22/1992 --
IN-92-44 Problems with Westinghouse DS-206 and DSL-206 Type Circuit Breakers -- 06/18/1992 --
IN-92-43 Defective Molded Phenolic Armature Carriers Found on Elmwood Contactors -- 06/09/1992 --
IN-92-42 Fraudulent Bolts in Seismically Designed Walls -- 06/01/1992 --
IN-92-41 Consideration of the Stem Rejection Load in Calculation of Required Valve Thrust -- 05/29/1992 --
IN-92-40 Inadequate Testing of Emergency Bus Undervoltage Logic Circuitry -- 05/27/1992 --
IN-92-39 Unplanned Return to Criticality During Reactor Shutdown -- 05/13/1992 --
IN-92-38 Implementation Date ... Revision ... EPA Manual of Protective Action Guides and Protective Actions for Nuclear Incidents -- 05/12/1992 --
IN-92-37 Implementation of the Deliberate Misconduct Rule -- 05/08/1992 --
IN-92-36 Intersystem LOCA Outside Containment S1 02/22/1994 --
-- 05/07/1992 --
IN-92-35 Higher ... Erosion/Corrosion in Unisolable Reactor Coolant Pressure Boundary Piping Inside Containment at a BWR -- 05/06/1992 --
IN-92-34 New Exposures Limits for Airborne Uranium and Thorium -- 05/06/1992 --
IN-92-33 Increased Instrument Response Time When Pressure Dampening Devices are Installed -- 04/30/1992 --
IN-92-32 Problems ... Emergency Ventilation Systems for Near-Site ... Emergency Operations Facilities & Technical Support Centers -- 04/29/1992 --
IN-92-31 Electrical Connection Problem in Johnson Yokogawa Corporation YS-80 Programmable Indicating Controllers -- 04/27/1992 --
IN-92-30 Falsification of Plant Records -- 04/23/1992 --
IN-92-29 Potential Breaker Miscoordination Caused by Instantaneous Trip Circuitry -- 04/17/1992 --
IN-92-28 Inadequate Fire Suppression System Testing -- 04/08/1992 --
IN-92-27 Thermally Induced Accelerated Aging and Failure of ITE/Gould A.C. Relays Used in Safety-Related Applications S1 03/21/1997 --
-- 04/03/1992 --
IN-92-26 Pressure Locking of Motor-Operated Flexible Wedge Gate Valves -- 04/02/1992 --
IN-92-25 Potential Weakness in Licensee Procedures for a Loss of the Refueling Cavity Water -- 03/31/1992 --
IN-92-24 Distributor Modification to Certain Commercial-Grade Agastat Electrical Relays -- 03/30/1992 --
IN-92-23 Results of Validation Testing of Motor-Operated Valve Diagnostic Equipment -- 03/27/1992 --
IN-92-22 Criminal Prosecution and Conviction of Wrongdoing Committed by a Commercial-Grade Valve Supplier -- 03/24/1992 --
IN-92-21 Spent Fuel Pool Reactivity Calculations S1 04/22/1992 --
-- 03/24/1992 --
IN-92-20 Inadequate Local Leak Rate Testing -- 03/03/1992 --
IN-92-19 Misapplication of Potter & Brumfield MDR Rotary Relays -- 03/02/1992 --
IN-92-18 Potential for Loss of Remote Shutdown Capability During a Control Room Fire -- 02/28/1992 --
IN-92-17 NRC Inspections of Programs Being Developed at Nuclear Power Plants in Response to Generic Letter 89-10 -- 02/26/1992 --
IN-92-16 Loss of Flow From the Residual Heat Removal Pump During Refueling Cavity Draindown S2 08/23/1993 --
S1 05/07/1992 --
-- 02/25/1992 --
IN-92-15 Failure of Primary Compression Fitting -- 02/24/1992 --
IN-92-14 Uranium Oxide Fires at Fuel Cycle Facilities -- 02/21/1992 --
IN-92-13 Inadequate Control Over Vehicular Traffic at Nuclear Power Plant Sites -- 02/18/1992 --
IN-92-12 Effects of Cable Leakage Currents on Instrument Settings and Indications -- 02/10/1992 --
IN-92-11 Soil and Water Contamination at Fuel Cycle Facilities -- 02/05/1992 --
IN-92-10 Brachytherapy Incidents Involving Iridium-192 Wire Used in Endobronchial Treatments -- 01/31/1992 --
IN-92-09 Overloading and Subsequent Lock Out of Electrical Buses During Accident Conditions -- 01/30/1992 --
IN-92-08 Revised Protective Action Guidance for Nuclear Incidents -- 01/23/1992 --
IN-92-07 Rapid Flow-Induced Erosion/Corrosion of Feedwater Piping -- 01/09/1992 --
IN-92-06 Reliability of ATWS Mitigation Systems and Other NRC-Required Equipment Not Controlled by Plant Technical Specifications S1 07/01/1993 --
-- 01/15/1992 --
IN-92-05 Potential Coil Insulation Breakdown in ABB RXMH2 Relays -- 01/08/1992 --
IN-92-04 Potter & Brumfield Model MDR Rotary Relay Failures -- 01/06/1992 --
IN-92-03 Remote Trip Function Failures in General Electric F-Frame Molded-Case Circuit Breakers -- 01/06/1992 --
IN-92-02 RELAP5/MOD3 Computer Code Error Associated with the Conservation of Energy Equation -- 01/03/1992 --
IN-92-01 Cable Damage Caused by Inadequate Cable Installation Procedures and Controls -- 01/03/1992 --
Page Last Reviewed/Updated Tuesday, September 01, 2015