United States Nuclear Regulatory Commission - Protecting People and the Environment

Circulars - 1977 Index

Document Number Title Revision Publish Date Reviewed Date
CR-77-16 Emergency Diesel Generator Electrical Trip Lock-Out Features -- 12/09/1977 --
CR-77-15 Degradation of Fuel Oil Flow to the Emergency Diesel Generator -- 11/28/1977 --
CR-77-14 Separation of Contaminated Water Systems from Noncontaminated Plant Systems -- 11/22/1977 --
CR-77-13 Reactor Safety Signals Negated During Testing -- 09/22/1977 --
CR-77-12 Dropped Fuel Assemblies at BWR Facilities -- 09/15/1977 --
CR-77-11 Leakage of Containment Isolation Valves with Resilient Seats -- 09/02/1977 --
CR-77-10 Vacuum Conditions Resulting in Damage to Liquid Process Tanks -- 07/15/1977 --
CR-77-09 Improper Fuse Coordination in BWR Standby Liquid Control System Control Circuits -- 05/25/1977 --
CR-77-08 Failure of Feedwater Sample Probe -- 04/13/1977 --
CR-77-07 Short Period During Reactor Startup -- 04/12/1977 --
CR-77-06 Effects of Hydraulic Fluid on Electrical Cables -- 04/01/1977 --
CR-77-05 Fluid Entrapment in Valve Bonnets -- 03/24/1977 --
CR-77-04 Inadequate Lock Assemblies -- 03/17/1977 --
CR-77-03 Fire Inside a Motor Control Center -- 02/28/1977 --
CR-77-02a Potential Heavy Spring Flooding (CP) -- 02/18/1977 --
CR-77-02 Potential Heavy Spring Flooding (OL) -- 02/15/1977 --
CR-77-01 Malfunctions of Limitorque Valve Operators -- 01/04/1977 --
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