| File Name |
Date |
Description |
| in86108s3 |
01/05/1995 |
NRC Information Notice 86-108, Supplement
3: Degradation of Reactor Coolant System
Pressure Boundary Resulting from Boric Acid
Corrosion |
| in86014s2 |
08/26/1991 |
Overspeed Trips of AFW, HPCI, and RCIC Turbines |
| in86021s2 |
04/16/1991 |
Recognition of American Society of
Mechanical Engineers Accreditation Program
for N Stamp Holders |
| in86099s1 |
02/14/1991 |
Degradation of Steel Containments |
| in86081s1 |
01/11/1988 |
Broken External Closure Springs on Atwood
& Morrill Main Steam Isolation Valves |
| in86108s2 |
11/19/1987 |
Degradation of Reactor Coolant System
Pressure Boundary Resulting from Boric Acid
Corrosion |
| in86108s1 |
04/20/1987 |
Degradation of Reactor Coolant System
Pressure Boundary Resulting from Boric
Acid Corrosion |
| in86064s1 |
04/20/1987 |
Deficiencies in Upgrade Programs for Plant
Emergency Operating Conditions |
| in86110 |
12/31/1986 |
Anomalous Behavior of Recirculation Loop
Flow in Jet Pump BWR Plants |
| in86109 |
12/29/1986 |
Diaphragm Failure in Scram Outlet Valve
Causing Rod Insertion |
| in86107 |
12/29/1986 |
Entry into PWR Cavity with Retractable
Incore Detector Thimbles Withdrawn |
| in86108 |
12/29/1986 |
Degradation of Reactor Coolant System
Pressure Boundary Resulting from Boric
Acid Corrosion |
| in86105 |
12/19/1986 |
Potential for Loss of Reactor Trip Capability
at Intermediate Power Levels |
| in86014s1 |
12/17/1986 |
Overspeed Trips of AFW, HPCI, and RCIC Turbines |
| in86103 |
12/16/1986 |
Respirator Coupling Nut Assembly Failures |
| in86104 |
12/16/1986 |
Unqualified Butt Splice Connectors Identified
in Qualified Penetrations |
| in86106s3 |
11/10/1988 |
Feedwater Line Break |
| in86106s2 |
03/18/1987 |
Feedwater Line Break |
| in86106s1 |
02/13/1987 |
Feedwater Line Break |
| in86106 |
12/16/1986 |
Feedwater Line Break |
| in86102 |
12/15/1986 |
Repeated Multiple Failures of Steam
Generator Hydraulic Snubbers Due to Control
Valve Sensitivity |
| in86101 |
12/12/1986 |
Loss of Decay Heat Removal Due to Loss of
Fluid Levels in Reactor Coolant System |
| in86100 |
12/12/1986 |
Loss of Offsite Power to Vital Busses at
Salem 2 |
| in86099 |
12/08/1986 |
Degradation of Steel Containments |
| in86021s1 |
12/04/1986 |
Recognition of American Society of
Mechanical Engineers Accreditation Program
for N Stamp Holders |
| in86098 |
12/02/1986 |
Offsite Medical Services |
| in86097 |
11/28/1986 |
Emergency Communications System |
| in86096 |
11/20/1986 |
Heat Exchanger Fouling Can Cause
Inadequate Operability of Service Water
Systems |
| in86095 |
11/10/1986 |
Leak Testing Iodine-125 Sealed Sources in
Lixi, Inc. Imaging Devices and Bone Mineral
Analyzers |
| in86094 |
11/06/1986 |
Hilti Concrete Expansion Anchor Bolts |
| in86082r1 |
11/04/1986 |
Failures of Scram Discharge Volume Vent
and Drain Valves |
| in86092 |
11/04/1986 |
Pressurizer Safety Valve Reliability |
| in86093 |
11/03/1986 |
IEB 85-03 Evaluation of Motor-Operators
Identifies Improper Torque Switch Settings |
| in86091 |
11/03/1986 |
Limiting Access Authorizations |
| in86090 |
11/03/1986 |
Requests to Dispose of Very Low-Level
Radioactive Waste Pursuant to 10 CFR
20.302 |
| in86089 |
10/16/1986 |
Uncontrolled Rod Withdrawal Because of a
Single Failure |
| in86005s1 |
10/16/1986 |
Main Steam Safety Valve Test Failures and
Ring Setting Adjustments |
| in86025s1 |
10/15/1986 |
Traceability and Material Control of Material
and Equipment, Particularly Fasteners |
| in86088 |
10/15/1986 |
Compensatory Measures for Prolonged
Periods of Security System Failures |
| in86087 |
10/10/1986 |
Loss of Offsite Power upon an Automatic Bus
Transfer |
| in86086 |
10/10/1986 |
Clarification of Requirements for Fabrication
and Export of Certain Previously Approved
Type B Packages |
| in86085 |
10/03/1986 |
Enforcement Actions Against Medical
Licensees for Willfull Failure to Report
Misadministrations |
| in86084 |
09/30/1986 |
Rupture of Nominal 40-Millicurie Iodine-125
Brachytherapy Seed Causing Significant
Spread of Radioactive Contamination |
| in86083 |
09/19/1986 |
Underground Pathways into Protected Areas,
Vital Areas, Material Access Areas, and
Controlled Access Areas |
| in86082 |
09/16/1986 |
Failures of Scram Discharge Volume Vent
and Drain Valves |
| in86081 |
09/15/1986 |
Broken Inner-External Closure Springs on
Atwood & Morrill Main Steam Isolation
Valves |
| in86080 |
09/12/1986 |
Unit Startup with Degraded High Pressure
Safety Injection System |
| in86079 |
09/02/1986 |
Degradation or Loss of Charging Systems at
PWR Nuclear Power Plants Using
Swing-Pump Designs |
| in86078 |
09/02/1986 |
Scram Solenoid Pilot Valve (SSPV) Rebuild
Kit Problems |
| in86077 |
08/28/1986 |
Computer Program Error Report Handling |
| in86076 |
08/28/1986 |
Problems Noted in Control Room Emergency
Ventilation Systems |
| in86075 |
08/21/1986 |
Incorrect Maintenance Procedure on
Traversing Incore Probe Lines |
| in86074 |
08/20/1986 |
Reduction of Reactor Coolant Inventory
because of Misalignment of RHR Valves |
| in86073 |
08/20/1986 |
Recent Emergency Diesel Generator
Problems |
| in86072 |
08/19/1986 |
Failure 17-7 PH Stainless Steel Springs in
Valcor Valves Due to Hydrogen
Embrittlement |
| in86071 |
08/19/1986 |
Recent Identified Problems with Limitorque
Motor Operators |
| in86070 |
08/18/1986 |
Potential Failure of All Emergency Diesel
Generators |
| in86069 |
08/18/1986 |
Spurious System Isolations Caused by the
Panalarm Model 86 Thermocouple Monitor |
| in86068 |
08/15/1986 |
Stuck Control Rod |
| in86067 |
08/15/1986 |
Portable Moisture/Density Gauges:
... Incidents and Common Violations of
Requirements for Use, Transportation, and
Storage |
| in86066 |
08/15/1986 |
Potential for Failure of Replacement AC
Coils ... Westinghouse Electric ... for ... Class 1E
Motor Starters and Contactors |
| in86065 |
08/14/1986 |
Malfunctions of ITT Barton Model 580 Series
Switches During Requalification Testing |
| in86064 |
08/14/1986 |
Deficiencies in Upgrade Programs for Plant
Emergency Operating Procedures |
| in86063 |
08/06/1986 |
Loss of Safety Injection Capability |
| in86013s1 |
08/05/1986 |
Standby Liquid Control System Squib Valves
Failure to Fire |
| in86062 |
07/31/1986 |
Potential Problems in Westinghouse Molded
Case Circuit Breakers Equipped with a Shunt
Trip |
| in86061 |
07/28/1986 |
Failure of Auxiliary Feedwater Manual
Isolation Valve |
| in86060 |
07/28/1986 |
Unanalyzed Post-LOCA Release Paths |
| in86031s1 |
07/14/1986 |
Unauthorized Transfer and Loss of Control of
Industrial Nuclear Gauges |
| in86059 |
07/14/1986 |
Increased Monitoring of ... Patients with
Implanted Coratomic, Inc. Model C-100 and
C-101 Nuclear-Powered Cardiac Pacemakers |
| in86058 |
07/11/1986 |
Dropped Fuel Assembly |
| in86057 |
07/11/1986 |
Operating Problems with Solenoid Operated
Valves at Nuclear Power Plants |
| in86056 |
07/10/1986 |
Reliability of Main Steam Safety Valves |
| in86055 |
07/10/1986 |
Delayed Access to Safety-Related Areas and
Equipment During Plant Emergencies |
| in86054 |
06/27/1986 |
Criminal Prosecution ... Former Radiation
Safety Officer Who ... Directed an Unqualified
Individual to Perform Radiography |
| in86053 |
06/26/1986 |
Improper Installation of Heat Shrinkable
Tubing |
| in86052 |
06/26/1986 |
Conductor Insulation Degradation on Foxboro
Model E Controllers |
| in86051 |
06/18/1986 |
Excessive Pneumatic Leakage in the
Automatic Depressurization System |
| in86050 |
06/18/1986 |
Inadequate Testing to Detect Failures of
Safety-Related Pneumatic Components or
Systems |
| in86049 |
06/16/1986 |
Age/Environment Induced Electrical Cable
Failures |
| in86048 |
06/13/1986 |
Inadequate Testing of Boron Solution
Concentration in the Standby Liquid Control
System |
| in86047 |
06/10/1986 |
Erratic Behavior of Static "O" Ring
Differential Pressure Switches |
| in86046 |
06/12/1986 |
Improper Cleaning and Decontamination of
Respiratory Protection Equipment |
| in86045 |
06/10/1986 |
Potential Falsification of Test Reports on
Flanges Manufactured by Golden Gate Forge
and Flange, Inc. |
| in86044 |
06/10/1986 |
Failure to Follow Procedures when Working
in High Radiation Areas |
| in86043 |
06/10/1986 |
Problems with Silver Zeolite Sampling of
Airborne Radioiodine |
| in86042 |
06/09/1986 |
Improper Maintenance of Radiation
Monitoring Systems |
| in86041 |
06/09/1986 |
Evaluation of Questionable Exposure
Readings of Licensee Personnel Dosimeters |
| in86032s1 |
06/06/1986 |
Request for Collection of Licensee
Radioactivity Measurements Attributed to the
Chernobyl Nuclear Plant Accident |
| in86040 |
06/05/1986 |
Degraded Ability to Isolate the Reactor
Coolant System from Low-Pressure Coolant
Systems in BWRs |
| in86039 |
05/20/1986 |
Failures of RHR Pump Motors and Pump
Internals |
| in86038 |
05/20/1986 |
Deficient Operator Actions Following Dual
Function Valve Failures |
| in86037 |
05/16/1986 |
Degradation of Station Batteries |
| in86036 |
05/16/1986 |
Change in NRC Practice Regarding Issuance
of Confirming Letters to Principal Contractors |
| in86035 |
05/15/1986 |
Fire in Compressible Material at Dresden
Unit 3 |
| in86034 |
05/13/1986 |
Improper Assembly, Material Selection, and
Test of Valves and Their Actuators |
| in86033 |
05/06/1986 |
Information for Licensee Regarding the
Chernobyl Nuclear Plant Accident |
| in86031 |
05/05/1986 |
Unauthorized Transfer and Loss of Control of
Industrial Nuclear Gauges |
| in86032 |
05/02/1986 |
Request for Collection of Licensee
Radioactivity Measurements Attributed to the
Chernobyl Nuclear Plant Accident |
| in86030 |
04/29/1986 |
Design Limitations of Gaseous Effluent
Monitoring Systems |
| in86029 |
04/25/1986 |
Effects of Changing Valve Motor-Operator
Switch Settings |
| in86028 |
04/24/1986 |
Telephone Numbers to the NRC Operations
Center and Regional Offices |
| in86027 |
04/21/1986 |
Access Control at Nuclear Facilities |
| in86026 |
04/17/1986 |
Potential Problems in Generators
Manufactured by Electrical Products
Incorporated |
| in86025 |
04/11/1986 |
Traceability and Material Control of Material
and Equipment, Particularly Fasteners |
| in86024 |
04/11/1986 |
Respirator Users Notice: Increased Inspection
Frequency for Certain Self-Contained
Breathing Apparatus Air Cylinders |
| in86023 |
04/09/1986 |
Excessive Skin Exposures Due to
Contamination With Hot Particles |
| in86021 |
03/31/1986 |
Recognition of American Society of
Mechanical Engineers Accreditation Program
for N Stamp Holders |
| in86022 |
03/31/1986 |
Underresponse of Radiation Survey
Instrument to High Radiation Fields |
| in86020 |
03/28/1986 |
Low-Level Radioactive Waste Scaling
Factors, 10 CFR Part 61 |
| in86018 |
03/26/1986 |
NRC On-Scene Response During a Major
Emergency |
| in86017 |
03/24/1986 |
Update of Failure of Automatic Sprinkler
System Valves to Operate |
| in86019 |
03/21/1986 |
Reactor Coolant Pump Shaft Failure at
Crystal River |
| in86016 |
03/11/1986 |
Failures to Identify Containment Leakage Due
to Inadequate Local Testing of BWR Vacuum
Relief System Valves |
| in86015 |
03/10/1986 |
Loss of Offsite Power Caused by Problems in
Fiber Optics Systems |
| in86014 |
03/10/1986 |
PWR Auxiliary Feedwater Pump Turbine
Control Problems |
| in86011 |
02/25/1986 |
Inadequate Service Water Protection Against Core Melt Frequency |
| in86012 |
02/25/1986 |
Target Rock Two-Stage SRV Setpoint Drift |
| in86013 |
02/21/1986 |
Standby Liquid Control System Squib Valves
Failure to Fire |
| in86010 |
02/13/1986 |
Safety Parameter Display System Malfunctions |
| in86006 |
02/03/1986 |
Failure of Lifting Rig Attachment While
Lifting the Upper Guide Structure at St. Lucie
Unit 1 |
| in86007 |
02/03/1986 |
Lack of ... Instruction and ... Observance of
Precautions During Maintenance and Testing
of Diesel Generator ... Governors |
| in86008 |
02/03/1986 |
Licensee Event Report (LER) Format
Modification |
| in86009 |
02/03/1986 |
Failure of Check and Stop Check Valves
Subjected to Low Flow Conditions |
| in86004 |
01/31/1986 |
Transient Due to Loss of Power to Integrated
Control System at a Pressurized Water
Reactor Designed by Babcock & Wilcox |
| in86005 |
01/31/1986 |
Main Steam Safety Valve Test Failures and
Ring Setting Adjustments |
| in86003 |
01/14/1986 |
Potential Deficiencies in Environmental
Qualification of Limitorque Motor Valve
Operator Wiring |
| in86001 |
01/06/1986 |
Failure of Main Feedwater Check Valves
Causes Loss of Feedwater System Integrity
and Water-Hammer Damage |
| in86002 |
01/06/1986 |
Failure of Valve Operator Motor During
Environmental Qualification Testing |
