Information Notice No. 83-18: Failures of the Undervoltage, Trip Function of Reactor Trip System Breakers
… breakers were reported at the Maine Yankee plant and at the Calvert Cliffs Unit 1 and 2 plants. On March 15, 1983, Maine Yankee … operated within the acceptable normal time. On March 15, Calvert Cliffs reported that two of the eight breakers in …