The cooling system stopped at Fukushima Daiichi Nuclear Power Plant Unit 2, Reactor 1. This happened on April 5th. The cooling system is for the used fuel pool. There was a problem with a pump.
On April 5th, the cooling system for the spent fuel pool at the Fukushima Daiichi Nuclear Power Plant Unit 2, Reactor 1, experienced a shutdown. The cause of the stoppage was a malfunction in the pump responsible for removing heat from the pool. Currently, investigations are underway to determine the cause of the pump issue.
A cooling malfunction occurred at Fukushima Daiichi Nuclear Power Plant Unit 2, Reactor 1, on April 5th, resulting in the cessation of the spent fuel pool's cooling system. The disruption was attributed to a pump malfunction integral to the heat removal process. Investigations are currently underway to ascertain the underlying cause of the pump's failure and implement remedial measures.