Information Notices - 1994
| File Name | Date | Description |
|---|---|---|
| in94086s1 | 11/15/1995 | Legal Actions Against Thermal Science, Inc., Manufacturer of Thermo-Lag |
| in94066s1 | 06/16/1995 | Overspeed of Turbine-driven Pumps Caused by Binding in Stems of Governor Valves |
| in94061s1 | 05/25/1995 | Corrosion of William Powell Gate Valve Disc Holders |
| in94064s1 | 04/06/1995 | NRC Information Notice 94-64, Supplement 1: Reactivity Insertion Transient and Accident Limits for High Burnup Fuel |
| in94090 | 12/30/1994 | Transient Resulting in a Reactor Trip and Multiple Safety Injection System Actuations at Salem |
| in94089 | 12/28/1994 | Equipment Failures at Irradiator Facilities |
| in94088 | 12/23/1994 | Inservice Inspection Deficiencies Result in Severely Degraded Steam Generator Tubes |
| in94087 | 12/22/1994 | Unanticipated Crack in a Particular Heat of Alloy 600 Used for Westinghouse Mechanical Plugs for Steam Generator Tubes |
| in94086 | 12/22/1994 | Legal Actions Against Thermal Science, Inc., Manufacturer of Thermo-Lag |
in94084
 |
12/04/1994 | Air Entrainment in Terry Turbine Lubricating Oil System |
| in94085 | 12/21/1994 | Problems with the Latching Mechanism in Potter and Brumfield R-10-E3286-2 Relays |
| in94040s1 | 12/15/1994 | Failure of a Rod Control Cluster Assembly to Fully Insert Following a Reactor Trip at Braidwood Unit 2 |
| in94083 | 12/06/1994 | Reactor Trip Followed by Unexpected Events |
| in94082 | 12/05/1994 | Concerns Regarding Essential Chiller Reliability During Periods of Low Cooling Water Temperature |
| in94013s2 | 11/28/1994 | Unanticipated and Unintended Movement of Fuel Assemblies and Other Components Due to Improper Operation of Refueling Equipment |
| in94081 | 11/25/1994 | Accuracy of Bioassay and Environmental Sampling Results |
| in94080 | 11/25/1994 | Inadequate DC Ground Detection in Direct Current Distribution System |
| in94079 | 11/23/1994 | Microbiologically Influenced Corrosion of Emergency Diesel Generator Service Water Piping |
| in94078 | 11/21/1994 | Electrical Component Failure Due to Degradation of Polyvinyl Chloride Wire Insulation |
| in94077 | 11/17/1994 | Malfunction in Main Generator Voltage Regulator Causing Overvoltage at Safety-related Electrical Equipment |
| in94076 | 10/26/1994 | Recent Failures of Charging/safety Injection Pumps |
| in94075 | 10/14/1994 | Minimum Temperature for Criticality |
| in94074 | 10/13/1994 | Facility Management Responsibilities for Purchased or Contracted Services for Radiation Therapy Programs |
| in94073 | 10/12/1994 | Clarification of Criticality Reporting Criteria |
| in94072 | 10/05/1994 | Increased Control Rod Drop Time From Crud Buildup |
| in94071 | 10/04/1994 | Degradation of Scram Solenoid Pilot Valve Pressure and Exhaust Diaphragms |
| in94070 | 09/29/1994 | Issues Associated with Use of Strontium-90 and Other Beta Emitting Radiopharmaceuticals |
| in94069 | 09/28/1994 | Potenial Inadequacies in the Prediction of Torque Requirements For and Torque output of Motor- Operated Butterfly Valves |
| in94068 | 09/27/1994 | Safety-Related Equipment Failures Caused by Faulted Indicating Lamps |
| in94067 | 09/26/1994 | Problems with Henry Pratt Motor-Operated Butter- Fly Valves |
| in94066 | 09/19/1994 | Overspeed of Turbine-Driven Pumps Caused by Governor Valve Stem Binding |
| in94065 | 09/12/1994 | Potential Error in Manual Brachytherapy Dose Calculations Generated Using a Computerized Treatment Planning System |
| in94064 | 08/31/1994 | Reativity Insertion Transient and Accident Limits for High Burnup Fuel |
| in94063 | 08/30/1994 | Boric Acid Corrosion of Charging Pump Casing Caused by Cladding Cracks. |
| in94062 | 08/30/1994 | Operational Experience on Steam Generator Tube Leaks and Tube Ruptures |
| in94061 | 08/25/1994 | Corrosion of William Powell Gate Valve Disc Holders |
| in94060 | 08/24/1994 | Potential Overpressurization of Main Stream System |
| in94030s1 | 08/19/1994 | Leaking Shutdown Cooling Isolation Valves at Cooper Nuclear Station |
| in94059 | 08/17/1994 | Accelerated Dealloying of Cast Aluminum-Bronze Valves Caused by Microbiologically Induced Corrosion |
| in94058 | 08/16/1994 | Reactor Coolant Pump Lube Oil Fire |
| in94057 | 08/12/1994 | Debris in Containment and the Residual Heat Removal System |
| in94056 | 08/11/1994 | Inaccuracy of Safety Valve Set Pressure Determination Using Assist Devices |
| in94055 | 08/04/1994 | Problems with Copes-Vulcan Power-Operated Relief Valves |
| in94054 | 08/01/1994 | Failures of General Electric Magne-Blast Circuit Breakers to Latch Closed |
| in94053 | 07/18/1994 | Hydrogen Gas Burn Inside Pressurizer During Welding |
| in94052 | 07/15/1994 | Inadvertent Containment Spray and Reactor Vessel Draindown at Millstone Unit 1 |
| in94051 | 07/15/1994 | Inappropriate Greasing of Double Shielded Motor Bearings |
| in94050 | 07/14/1994 | Failure of General Electric Contactors to Pull in at the Required Voltage |
| in94049 | 07/06/1994 | Failure of Torque Switch Roll Pins |
| in94048 | 06/30/1994 | Snubber Lubricant Degradation in High-Temperature Environments |
| in94013s1 | 06/28/1994 | Unanticipated & Unintended Movement - Fuel Assemblies & Other Components Due - Improper Operation of Refueling Equipment |
| in94047 | 06/21/1994 | Accuracy of Information Provided to NRC During the Licensing Process |
| in94046 | 06/20/1994 | Nonconservative Reactor Coolant System Leakage Calculation |
| in94045 | 06/17/1994 | Potential Common-Mode Failure Mechanism for Large Vertical Pumps |
| in94044 |
06/16/1994 | Main Steam Isolation Valve Failure To Close On Demand Because Of Inadequate Maintenance And Testing |
| in94043 | 06/10/1994 | Determination of Primary-to-Secondary Steam Generator Leak Rate |
| in94042 | 06/07/1994 | Cracking in the Lower Region of the Core Shroud in Boiling-water Reactors |
| in94041 | 06/07/1994 | Problems With General Electric Type CR124 Overload Relay Ambient Compensation |
| in94040 | 05/26/1994 | Failure of a Rod Control Cluster Assembly to Fully Insert Following a Reactor Trip at Braidwood Unit 2 |
| in94039 | 05/31/1994 | Identified Problems in Gamma Stereotactic Radiosurgery |
| in94038 | 05/27/1994 | Results of a Special NRC Inspection at Dresden ... Unit 1 Following a Rupture of Service Water Inside Containment |
| in94037 | 05/27/1994 | Misadministration Caused By a Bent Interstitial Needle During Brachytherapy Procedure |
| in94036 | 05/24/1994 | Undetected Accumulation of Gas in Reactor Coolant System |
| in94035 | 05/16/1994 | NIOSH Respirator User Notices, "Inadvertent Separation of the MMR From the Facepiece of MSA Company MMR SCBA and Status" |
| in94034 | 05/13/1994 | Thermo-Lag 330-660 Flexi-Blanket Ampacity Derating Concerns |
| in94033 | 05/09/1994 | Capacitor Failures in Westinghouse Eagle 21 Plant Protection Systems |
| in94032 | 04/29/1994 | Revised Seismic Hazard Estimates |
| in94014s1 | 04/14/1997 | Failure to Implement Requirements for Biennial Medical Examinations and Notification to Nrc of Changes in Medical Condition of Licensed Operators |
| in94031 | 04/14/1994 | Potential Failure of Wilco, Lexan-Type HN-4-L Fire Hose Nozzles |
| in94030 | 04/12/1994 | Leaking Shutdown Cooling Isolation Valves at Cooper Nuclear Station |
| in94029 | 04/11/1994 | Charging Pump Trip During a Loss-of-Coolant Event Caused by Low Suction Pressure |
| in94028 | 04/05/1994 | Potential Problems With Fire-Barrier Penetration Seals |
| in94027 | 03/31/1994 | Facility Operating Concerns Resulting From Local Area Flooding |
| in94026 | 03/28/1994 | Personnel Hazards and Other Problems From Smoldering Fire-Retardant Material in the Drywell of a Boiling-Water Reactor |
| in94025 | 03/25/1994 | Failure of Containment Spray Header Valve to Open Due to Excessive Pressure From Inertial Effects of Water |
| in94024 | 03/24/1994 | Inadequate Maintenance of Uninterruptable Power Supplies and Inverters |
| in94023 | 03/25/1994 | Guidance to hazardous, Radioactive and Mixed Waste Generators on the Elements of a Waste Minimization Program |
| in94021 | 03/18/1994 | Regulatory Requirements When No Operations Are Being Performed |
| in94020 | 03/17/1994 | Common-Cause Failures Due to Inadequate Design Control and Dedication |
| in94019 | 03/16/1994 | Emergency Diesel Generator Vulnerability to Failure From Cold Fuel Oil |
| in94022 | 03/16/1994 | Fire Endurance and Ampacity Derating Test Results for 3-hour Fire-Rated Thermo-Lag 330-1 Fire Barriers |
| in94018 | 03/16/1994 | Accuracy of Motor-Operated Valve Diagnostic Equipment (Responses to Supplement 5 to Generic Letter 89-10) |
| in94017 | 03/11/1994 | Strontium-90 Eye Applicators: Submission of Quality Management Plan (QMP), Calibration, and Use |
| in94016 | 03/03/1994 | Recent Incidents Resulting in Offsite Contamination |
| in94015 | 03/02/1994 | Radiation Exposures During an Event Involving a Fixed Nuclear Gauge |
| in94014 | 02/24/1994 | Failure to Implement ... Biennial Medical Examinations & Notification ... Changes in Licened Operator Medical Conditions |
| in94013 | 02/22/1994 | Unanticipated & Unintended Movement - Fuel Assemblies & Other Components Due - Improper Operation of Refueling Equipment |
| in94012 | 02/09/1994 | Insights Gained From Resolving Generic Issue 57: Effects of Fire Protection System Actuation on Safety-Related Equipment |
| in94011 | 02/08/1994 | Turbine Overspeed and Reactor Cooldown During Shutdown Evolution |
| in94010 | 02/04/1994 | Failure of Motor-Operated Valve Electric Power Train Due to Sheared or Dislodged Motor Pinion Gear Key |
| in94009 | 02/03/1994 | Release of Patients With Residual Radioactivity From Medical Treatment and Control Areas ... Revised 10 CFR Part 20 |
| in94008 | 02/01/1994 | Potential For Surveillance Testing to Fail to Detect an Inoperable Main Steam Isolation Valve |
| in94007 | 01/28/1994 | Solubility Criteria For Liquid Effluent Releases to Sanitary Sewerage Under the Revised 10 CFR Part 20 |
| in94006 | 01/28/1994 | Potential Failure of Long-Term Emergency Nitrogen Supply For the Automatic Depressurization System Valves |
| in94005 | 01/19/1994 | Potential Failure of Steam Generator Tubes With Kinetically Welded Sleeves |
| in94004 | 01/14/1994 | Digital Integrated Circuit Sockets With Intermittent Contact |
| in94003 | 01/11/1994 | Deficiencies Identified During Service Water System Operational Performance Inspections |
| in94002 | 01/07/1994 | Inoperability of General Electric Magne-blast |
| in94001 | 01/07/1994 | Turbine Blade Failure Caused by Torsional Excitation from Electrical System Disturbance |
Page Last Reviewed/Updated Thursday, March 29, 2012
