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PORT CANAVERAL, FL. (CNN) – The Carnival Ecstasy returned to Port Canaveral early this (Thursday) morning after a brief power failure at sea.

A mechanical problem knocked out the power but it was quickly restored, according to carnival officials.

Power on the ship was out for about 12-minutes.

The ship was on the last leg of a five-day cruise.

Carnival is planning a 300-million-dollar upgrade to emergency power systems and other systems to prevent another repeat of the problems on the Carnival Triumph.