Problems in Unit #5 on 5/28

"When a worker at the plant

Submitted by Anonymous (not verified) on Sat, 2011-05-28 19:30.

"When a worker at the plant became aware of the problem at 9 p.m. Saturday, the temperature of the reactor stood at 68 degrees Celsius and that of the fuel pool at 41 degrees Celsius.

They had risen to 87 degrees Celsius and 44 degrees Celsius, respectively, by the time TEPCO began work to restore operations shortly after 8 a.m. Sunday, it said."

Wait...

"a worker at the plant became aware of the problem at 9 p.m. Saturday"

"TEPCO began work to restore operations shortly after 8 a.m. Sunday"

Does anyone else see a problem here?

It wasn't clear to me if the

Submitted by Anonymous (not verified) on Sat, 2011-05-28 19:45.

It wasn't clear to me if the pump was on backup starting Sat eve, and they started the actual repair on Sunday.

I thought those backup pumps only had enough battery power to last a certain amount of time? Maybe they have an extra power source for the backups?