Watch Live:

FILE- In this Jan. 11, 2013 file photo, Boeing Commercial Airplanes President and CEO Ray Conner speaks during a news conference at the Transportation Department in Washington to discuss a comprehensive review of Boeing 787 critical systems, including the design, manufacture and assembly after a fire and a fuel leak earlier in the week. Conner met with Japan's transport minister and other officials in Tokyo, Japan, on Thursday, Feb. 28 to explain his company's proposal for resolving problems with the 787 Dreamliner's lithium-ion batteries that have kept the aircraft grounded for over a month. (AP Photo/Susan Walsh, File)

Associated Press
FILE- In this Jan. 11, 2013 file photo, Boeing Commercial Airplanes President and CEO Ray Conner speaks during a news conference at the Transportation Department in Washington to discuss a comprehensive review of Boeing 787 critical systems, including the design, manufacture and assembly after a fire and a fuel leak earlier in the week. Conner met with Japan's transport minister and other officials in Tokyo, Japan, on Thursday, Feb. 28 to explain his company's proposal for resolving problems with the 787 Dreamliner's lithium-ion batteries that have kept the aircraft grounded for over a month. (AP Photo/Susan Walsh, File)
FILE- In this Jan. 11, 2013 file photo, Boeing Commercial Airplanes President and CEO Ray Conner speaks during a news conference at the Transportation Department in Washington to discuss a comprehensive review of Boeing 787 critical systems, including the design, manufacture and assembly after a fire and a fuel leak earlier in the week. Conner met with Japan's transport minister and other officials in Tokyo, Japan, on Thursday, Feb. 28 to explain his company's proposal for resolving problems with the 787 Dreamliner's lithium-ion batteries that have kept the aircraft grounded for over a month. (AP Photo/Susan Walsh, File)