| File Name |
Date |
Description |
| BL-80-17s5 |
02/13/1981 |
Failure of Control Rods to Insert During a Scram at a BWR |
| BL-80-25 |
12/19/1980 |
Operating Problems with Target Rock Safety-Relief Valves at BWRs |
| BL-80-17s4 |
12/18/1980 |
Failure of Control Rods to Insert During a Scram at a BWR |
| BL-80-24 |
11/21/1980 |
Prevention of Damage Due to Water Leakage Inside Containment (October
17, 1980 Indian Point 2 Event) |
| BL-80-23 |
11/14/1980 |
Failures of Solenoid Valves Manufactured by Valcor Engineering Corporation
|
| BL-80-21 |
11/06/1980 |
Valve Yokes Supplied by Malcolm Foundry Company, Inc. |
| BL-80-22 |
09/11/1980 |
Automation Industries, Model 200-520-008 Sealed-Source Connectors |
| BL-80-17s3 |
08/22/1980 |
Failures Revealed by Testing Subsequent to Failure of Control Rods to
Insert During a Scram at a BWR |
| BL-80-19r1 |
08/13/1980 |
Failures of Mercury-Wetted Matrix Relays in Reactor Protective Systems
of...Plants Designed by Combustion Engineering |
| BL-80-20 |
07/31/1980 |
Failures of Westinghouse Type W-2 Spring Return to Neutral Control Switches
|
| BL-80-19 |
07/31/1980 |
Failures of Mercury-Wetted Matrix Relays in Reactor Protective Systems
of...Plants Designed by Combustion Engineering |
| BL-80-18 |
07/24/1980 |
Maintenance of Adequate Minimum Flow Thru Centrifugal Charging Pumps
Following Secondary Side High Energy Line Rupture |
| BL-80-17s2 |
07/22/1980 |
Failures Revealed by Testing Subsequent to Failure of Control Rods to
Insert During a Scram at a BWR |
| BL-80-17s1 |
07/18/1980 |
Failure of 76 of 185 Control Rods to Fully Insert During a Scram at a
BWR |
| BL-80-17 |
07/03/1980 |
Failure of 76 of 185 Control Rods to Fully Insert During a Scram at a
BWR |
| BL-80-16 |
06/27/1980 |
Potential Misapplication of Rosemount...Models 1151 and 1152 Pressure
Transmitters with Either "A" or "D" Output Codes |
| BL-80-15 |
06/18/1980 |
Possible Loss of Emergency Notification System (ENS) with Loss of Offsite
Power |
| BL-80-14 |
06/12/1980 |
Degradation of Scram Discharge Volume Capability |
| BL-80-13 |
05/12/1980 |
Cracking in Core Spray Spargers |
| BL-80-12 |
05/09/1980 |
Decay Heat Removal System Operability |
| BL-80-11 |
05/08/1980 |
Masonry Wall Design - |
| BL-80-10 |
05/06/1980 |
Contamination of Nonradioactive System and Resulting Potential for Unmonitored,
Uncontrolled Release to Environment |
| BL-80-07s1 |
05/13/1980 |
BWR Jet Pump Assembly Failure - |
| BL-80-09 |
04/17/1980 |
Hydramotor Actuator Deficiencies |
| BL-80-08 |
04/07/1980 |
Examination of Containment Liner Penetration Welds |
| BL-80-07 |
04/04/1980 |
BWR Jet Pump Assembly Failure - |
| BL-80-06 |
03/13/1980 |
Engineered Safety Feature (ESF) Reset Controls |
| BL-80-05 |
03/10/1980 |
Vacuum Condition Resulting in Damage to Chemical Volume Control System
(CVCS) Holdup Tanks |
| BL-80-04 |
02/08/1980 |
Analysis of a PWR Main Steam Line Break with Continued Feedwater Addition
|
| BL-80-03 |
02/06/1980 |
Loss of Charcoal from Standard Type II, 2 Inch, Tray Adsorber Cells |
| BL-80-02 |
01/21/1980 |
Inadequate Quality Assurance for Nuclear Supplied Equipment |
| BL-80-01 |
01/11/1980 |
Operability of ADS Valve Pneumatic Supply |
