Power reduction (1 h, apr 15, 1986 y – 14 h, apr 15, 1986 y)
Description:
Reactor 4 begins powering down before scheduled safety test. Attempts to determine if the plants turbines can keep coolant pumping until emergency generators come online in the event of power failure. 1 of the 2 turbines is turned off once power output reaches 50% at 1pm.Added to timeline:
Date:
1 h, apr 15, 1986 y
14 h, apr 15, 1986 y
~ 13 hours