US aviation regulators say a fix being developed for Boeing Co.'s (BA.N) grounded 737 Max won't be approved quickly. "Time is needed for additional work by Boeing as the result of an ongoing review of the 737 MAX Flight Control System to ensure that Boeing has identified and appropriately addressed all pertinent issues".
Acting FAA Administrator Dan Elwell said last week the agency would not unground the planes until its analysis "of the facts and technical data indicate that it is appropriate".
Boeing needs approval not just from FAA, but elsewhere, including Europe and China, where safety officials have indicated they will conduct their own reviews.
Boeing Corporation has been sued on behalf of a passenger killed in last month's 737 Max plane crash in Ethiopia and orders for the troubled aircraft wavered in Asia, deepening the planemaker's legal and financial woes.
The safety system linked to two fatal crashes since October is being revamped by Boeing to make it less aggressive in pushing down a plane's nose and to add redundancy so that it's less likely to malfunction.
Chicago-based Boeing is under intense scrutiny after two crashes since October killed 346 people.
Foreign ministry spokesman Nebiat Getachew said the transport ministry would release "a preliminary report into its investigation" of the March 10 tragedy in which a Nairobi-bound Boeing 737 MAX crashed shortly after taking off from Addis Ababa.
Turkey's opposition says has won in Istanbul, lead too big to close
Ankara State Media says Erdogan's AKP alliance has taken just over 50% of the national vote with the main opposition camp at 38%. A former government environment minister, Mehmet Ozhaseki, ran for mayor under the banner of Erdogan and his nationalist allies.
A pilot on the doomed Ethiopian Airlines flight was heard saying "pitch up, pitch up!" moments before the jet crashed, killing all 157 people on board.
Leaks last week from the crash investigation in Ethiopia and in the United States suggest an automatic anti-stall system was activated at the time of the disaster.
The plane's automated MCAS system has also been noted as a potential cause of the Lion Air crash five months earlier.
The pilot had tried repeatedly to regain control and pull the nose up but the plane crashed into the sea.
The Department of Justice's criminal division has already issued a grand jury subpoena to one person at Boeing who was involved with the development of the 737 Max aircraft.
Both the planes in Indonesia and Ethiopia reportedly experienced erratic steep climbs and descents, as well as fluctuating airspeeds, before crashing shortly after takeoff.
Ethiopian Airlines is Africa's largest carrier and in many ways the worldwide face of the nation.