Analysis of information sources in references of the Wikipedia article "USCGC Polar Sea" in English language version.
A second Coast Guard heavy polar icebreaker, Polar Sea. Polar Sea, suffered an engine casualty in June 2010 and has been nonoperational since then.
A June 25, 2010, report stated that "inspections of the Polar Sea's main diesel engines revealed excessive wear in 33 cylinder assemblies. The Coast Guard is investigating the root cause and hopes to have an answer by August." ("USCG Cancels Polar Icebreaker's Fall Deployment," DefenseNews.com, June 25, 2010.)
FURTHERMORE, TO BEST SUSTAIN POLAR ICEBREAKING CAPACITY, THE COAST GUARD PLANS TO DECOMMISSION CGC POLAR SEA IN FY 2011, AND FOCUS OUR RESOURCES TOWARD RETURNING CGC POLAR STAR TO FULL OPERATIONAL CAPABILITY IN 2013.
A June 25, 2010, report stated that "inspections of the Polar Sea's main diesel engines revealed excessive wear in 33 cylinder assemblies. The Coast Guard is investigating the root cause and hopes to have an answer by August." ("USCG Cancels Polar Icebreaker's Fall Deployment," DefenseNews.com, June 25, 2010.)
FURTHERMORE, TO BEST SUSTAIN POLAR ICEBREAKING CAPACITY, THE COAST GUARD PLANS TO DECOMMISSION CGC POLAR SEA IN FY 2011, AND FOCUS OUR RESOURCES TOWARD RETURNING CGC POLAR STAR TO FULL OPERATIONAL CAPABILITY IN 2013.