| 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
|
