| 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 |
