The seawater pump in the cooling system for the Fukushima power plant's No. 5 reactor broke down Saturday evening, prompting repair crews to install a backup pump 15 hours later on Sunday afternoon, Tokyo Electric Power Co. said.
Tepco discovered the pump had stopped at 9 p.m. Saturday but...
cold shutdown
cooling system
core temperature
emergency protocol
energy production
fukushima
hydrogen blasts
nuclear safety
power restoration
public announcement
pump failure
reactor no. 5
residual heat removal
seawaterfoulingseawater pump
spent fuel pool
temperature control
tokyo electric power
utility notification
