UPDATE 4-Boeing proposes full 787 battery fix to FAA-sources
February 22, 2013 at 20:20 PM EST
WASHINGTON/SEATTLE, Feb 22 (Reuters) - Boeing Co on Friday gave U.S. aviation regulators its plan to fix the volatile battery aboard its new 787 Dreamliner, even though investigators have not yet determined what caused the batteries to overheat on two planes last month.