Information Notices - 1992
| File Name | Date | Description |
|---|---|---|
| in92027s1 | 03/21/1997 | Thermally Induced Accelerated Aging and Failure of ITE/GOULD A.C. Relays Used in Safety-Related Applications |
| in92068s1 | 09/16/1996 | Potentially Substandard Slip-On Welding Neck, and Blind Flanges |
| in92051s1 | 04/11/1994 | Misapplication and Inadequate Testing of Molded- Case Circuit Breakers |
| in92036s1 | 02/22/1994 | Intersystem LOCA Outside Containment |
| in92016s2 | 08/23/1993 | Loss of Flow From the Residual Heat Removal Pump During Refueling Cavity Draindown |
| in92006s1 | 07/01/1993 | Reliability of ATWS Mitigation Systems and Other NRC-Required Equipment Not Controlled by Plant Technical Specifications |
| in92086 | 12/24/1992 | Unexpected Restriction to Thermal Growth of Reactor Coolant Piping |
| in92085 | 12/23/1992 | Potential Failures of Emergency Core Cooling Systems Caused By Foreign Material Blockage |
| in92084 | 12/17/1992 | Release of Patients Treated With Temporary Implants |
| in92083 | 12/17/1992 | Thrust Limits For Limitorque Actuators and Potential Overstressing of Motor-Operated Valves |
| in92082 | 12/15/1992 | Results of Thermo-Lag 330-1 Combustibility Testing |
| in92081 | 12/11/1992 | Potential Deficiency of Electrical Cables With Bonded Hypalon Jackets |
| in92080 | 12/07/1992 | Operation With Steam Generator Tubes Seriously Degraded |
| in92079 | 12/01/1992 | Non-Power Reactor Emergency Event Response |
| in92078 | 11/30/1992 | Piston to Cylinder Liner Tin Smearing on Cooper-Bessemer KSV Diesel Engines |
| in92077 | 11/17/1992 | Questionable Selection and Review to Determine Suitability of Electropneumatic Relays For Certain Applications |
| in92076 | 11/13/1992 | Supp 1 to NUREG-1358, "Lessons Learned ... Inspection Program For Emergency Operating Procedures (10/88 - 9/91)" |
| in92075 | 11/12/1992 | Unplanned Intakes of Airborne Radioactive Material By Individuals at Nuclear Power Plants |
| in92074 | 11/10/1992 | Power Oscillations at Washington Nuclear Power Unit 2 |
| in92061s1 | 11/06/1992 | Loss of High Head Safety Injection |
| in92073 | 11/04/1992 | Removal of a Fuel Element From a Research Reactor Core While Critical |
| in92059r1 | 11/02/1992 | Horizontally-Installed Motor-Operated Gate Valves |
| in92072 | 10/28/1992 | Employee Training and Shipper Registration Requirements for Transporting Radioactive Materials |
| in92071 | 09/30/1992 | Partial Plugging of Suppression Pool Strainers at a Foreign BWR |
| in92070 | 09/25/1992 | Westinghouse Motor-Operated Valve Performance Data Supplied to Nuclear Power Plant Licensees |
| in92069 | 09/22/1992 | Water Leakage From Yard Area Through Conduits Into Buildings |
| in92068 | 09/10/1992 | Potentially Substandard Slip-On, Welding Neck, and Blind Flanges |
| in92067 | 09/10/1992 | Deficiency in Design Modifications to Address Failures of Hiller Actuators Upon a Gradual Loss of Air Pressure |
| in92065 | 09/03/1992 | Safety System Problems Caused By Modifications That Were Not Adequately Reviewed and Tested |
| in92066 | 09/01/1992 | Access Denied to NRC Inspectors at Five Star Products, Inc. and Construction Products Research, Fairfield, Connecticut |
| in92064 | 08/28/1992 | Nozzle Ring Settings in Low Pressure Water-Relief Valves |
| in92063 | 08/26/1992 | Cracked Insulators in ASL Dry Type Transformers Manufactured By Westinghouse Electric Corporation |
| in92062 | 08/24/1992 | Emergency Response Information Requirements for Radioactive Material Shipments |
| in92060 | 08/20/1992 | Valve Stem Failure Caused by Embrittlement |
| in92061 | 08/20/1992 | Loss of High Head Safety Injection |
| in92059 | 08/18/1992 | Horizontally-Installed Motor-Operated Gate Valves |
| in92058 | 08/12/1992 | Uranium Hexafluoride Cylinders - Deviations in Coupling Welds |
| in92057 | 08/11/1992 | Radial Cracking of Shroud Support Access Hole Cover Welds |
| in92056 | 08/06/1992 | Counterfeit Valves in the Commercial Grade Supply System |
| in92053 | 07/29/1992 | Potential Failure of Emergency Diesel Generators Due to Excessive Rate of Loading |
| in92055 | 07/27/1992 | Current Fire Endurance Test Results For Thermo-Lag Fire Barrier Material |
| in92054 | 07/24/1992 | Level Instrumentation Inaccuracies Caused by Rapid Depressurization |
| in92052 | 07/15/1992 | Barriers and Seals Between Mild and Harsh Environments |
| in92051 | 07/09/1992 | Misapplication and Inadequate Testing of Molded-Case Circuit Breakers |
| in92050 | 07/02/1992 | Cracking of Valves in the Condensate Return Lines of a BWR Emergency Condenser System |
| in92048 | 07/02/1992 | Failure of Exide Batteries |
| in92049 | 07/02/1992 | Recent Loss or Severe Degradation of Service Water Systems |
| in92047 | 06/29/1992 | Intentional Bypassing of Automatic Actuation of Plant Protective Features |
| in92046 | 06/23/1992 | Thermo-Lag Fire Barrier ... Review Team ... Findings, Current Fire Endurance Tests, and Ampacity Calculation Errors |
| in92045 | 06/22/1992 | Incorrect Relay Used in Emergency Diesel Generator Output Breaker Control Circuitry |
| in92044 | 06/18/1992 | Problems With Westinghouse DS-206 and DSL-206 Type Circuit Breakers |
| in92043 | 06/09/1992 | Defective Molded Phenolic Armature Carriers Found on Elmwood Contactors |
| in92042 | 06/01/1992 | Fraudulent Bolts in Seismically Designed Walls |
| in92041 | 05/29/1992 | Consideration of the Stem Rejection Load in Calculation of Required Valve Thrust |
| in92040 | 05/27/1992 | Inadequate Testing of Emergency Bus Undervoltage Logic Circuitry |
| in92039 | 05/13/1992 | Unplanned Return to Criticality During Reactor Shutdown |
| in92038 | 05/12/1992 | Implementation Date ... Revision ... EPA Manual of Protective Action Guides and Protective Actions for Nuclear Incidents |
| in92037 | 05/08/1992 | Implementation of the Deliberate Misconduct Rule |
| in92036 | 05/07/1992 | Intersystem LOCA Outside Containment |
| in92016s1 | 05/07/1992 | Loss of Flow From the Residual Heat Removal Pump During Refueling Cavity Draindown |
| in92035 | 05/06/1992 | Higher ... Erosion/Corrosion in Unisolable Reactor Coolant Pressure Boundary Piping Inside Containment at a BWR |
| in92034 | 05/06/1992 | New Exposures Limits for Airborne Uranium and Thorium |
| in92033 | 04/30/1992 | Increased Instrument Response Time When Pressure Dampening Devices are Installed |
| in92032 | 04/29/1992 | Problems ... Emergency Ventilation Systems for Near-Site ... Emergency Operations Facilities & Technical Support Centers |
| in92031 | 04/27/1992 | Electrical Connection Problem in Johnson Yokogawa Corporation YS-80 Programmable Indicating Controllers |
| in92030 | 04/23/1992 | Falsification of Plant Records |
| in92021s1 | 04/22/1992 | Spent Fuel Pool Reactivity Calculations |
| in92029 | 04/17/1992 | Potential Breaker Miscoordination Caused by Instantaneous Trip Circuitry |
| in92028 | 04/08/1992 | Inadequate Fire Suppression System Testing |
| in92027 | 04/03/1992 | Thermally Induced Accelerated Aging and Failure of ITE/Gould A.C. Relays Used in Safety-Related Applications |
| in92026 | 04/02/1992 | Pressure Locking of Motor-Operated Flexible Wedge Gate Valves |
| in92025 | 03/31/1992 | Potential Weakness in Licensee Procedures for a Loss of the Refueling Cavity Water |
| in92024 | 03/30/1992 | Distributor Modification to Certain Commercial-Grade Agastat Electrical Relays |
| in92023 | 03/27/1992 | Results of Validation Testing of Motor-Operated Valve Diagnostic Equipment |
| in92022 | 03/24/1992 | Criminal Prosecution and Conviction of Wrongdoing Committed by a Commercial-Grade Valve Supplier |
| in92021 | 03/24/1992 | Spent Fuel Pool Reactivity Calculations |
| in92020 | 03/03/1992 | Inadequate Local Leak Rate Testing |
| in92019 | 03/02/1992 | Misapplication of Potter & Brumfield MDR Rotary Relays |
| in92018 | 02/28/1992 | Potential for Loss of Remote Shutdown Capability During a Control Room Fire |
| in92017 | 02/26/1992 | NRC Inspections of Programs Being Developed at Nuclear Power Plants in Response to Generic Letter 89-10 |
| in92016 | 02/25/1992 | Loss of Flow From the Residual Heat Removal Pump During Refueling Cavity Draindown |
| in92015 | 02/24/1992 | Failure of Primary Compression Fitting |
| in92014 | 02/21/1992 | Uranium Oxide Fires at Fuel Cycle Facilities |
| in92013 | 02/18/1992 | Inadequate Control Over Vehicular Traffic at Nuclear Power Plant Sites |
| in92012 | 02/10/1992 | Effects of Cable Leakage Currents on Instrument Settings and Indications |
| in92011 | 02/05/1992 | Soil and Water Contamination at Fuel Cycle Facilities |
| in92010 | 01/31/1992 | Brachytherapy Incidents Involving Iridium-192 Wire Used in Endobronchial Treatments |
| in92009 | 01/30/1992 | Overloading and Subsequent Lock Out of Electrical Buses During Accident Conditions |
| in92008 | 01/23/1992 | Revised Protective Action Guidance for Nuclear Incidents |
| in92007 | 01/09/1992 | Rapid Flow-Induced Erosion/Corrosion of Feedwater Piping |
| in92006 | 01/15/1992 | Reliability of ATWS Mitigation System and Other NRC Required Equipment Not Controlled by Plant Technical Specifications |
| in92005 | 01/08/1992 | Potential Coil Insulation Breakdown in ABB RXMH2 Relays |
| in92004 | 01/06/1992 | Potter & Brumfield Model MDR Rotary Relay Failures |
| in92003 | 01/06/1992 | Remote Trip Function Failures in General Electric F-Frame Molded-Case Circuit Breakers |
| in92002 | 01/03/1992 | RELAP5/MOD3 Computer Code Error Associated With the Conservation of Energy Equation |
| in92001 | 01/03/1992 | Cable Damage Caused by Inadequate Cable Installation Procedures and Controls |
Page Last Reviewed/Updated Thursday, March 29, 2012
