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Boeing hopes the MAX will be recertified for commercial service this summer, but the Federal Aviation Administration said there is no timetable to get the plane back in the air.
Boeing said its pilots have made 120 flights totaling 203 hours to test new software developed for the anti-stall system and they are ready to proceed with certification.

Boeing in recent days temporarily halted production of the 737 MAX in Washington state, a move it announced in December as it became clear that regulatory approval was taking longer than it had forecast.
Boeing also is faced with the first publicly announced cancellation of an order for the MAX 8 aircraft. Garuda Indonesia, the national airline of Indonesia, said on Friday that it told Boeing in a March 14 letter that it wants to cancel a billion order for 49 of the 737 MAX 8 jets, saying passengers have lost confidence in the aircraft following the two deadly crashes. Boeing declined to comment.
Bookstores are only one part of a multi-pronged brick-and-mortar push for Amazon, which spent its first 20 years helping define and dominating the?online retail world. The company also has pop-up shops in malls around the country, and it is building and testing multiple grocery models, including drive-up stores and the Amazon Go convenience store concept.
来源:资阳报