“Very
small cracks” have been found in the header of the superheater at EDF
Energy’s Heysham 1, Reactor 2 -- a 28-year-old advanced gas-cooled
reactor (AGR) currently in a maintenance outage.
EDF
and regulatory authorities say the cracks have been discovered
sufficiently early and are not a threat to safe operation of the plant.
Nor
do the cracks appear to be a threat to EDF plans to extend the
operating life of Heysham station by seven years from 2014 to 2021.
EDF
said through a spokesman May 10 that at current growth rates, the
reactor could operate safely with the cracks for more than 30 years.
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