Baker said he was confident Boeing's fix for the battery system that overheated on two planes in January would work. He said if it were not the right fix, the Federal Aviation Administration would not have approved testing of the fix.
On Tuesday, United Continental Holdings Inc's United Airlines said that it planned to begin flying Boeing's 787 Dreamliner five days sooner than previously expected, a sign of confidence in the jet's return to service after regulators grounded it in January over safety concerns.