March 16, 2019 / 5:49 PM / Updated 6 hours ago

FACTBOX-What we know about Boeing 737 MAX crash and what comes next

    March 18 (Reuters) - More than 300 Boeing 737 MAX 8 and MAX
9 passenger jets around the world have been taken out of service
following two fatal crashes over the past five months in
Ethiopia and Indonesia that killed almost 350 people in all.
            
    The causes of both crashes are under investigation. One of
the biggest unanswered questions: Was the plane's software to
blame?             

    WHAT WE KNOW  
    - Boeing has stopped delivery of all new MAX jets to its
customers.             
    - Satellite data gathered from the Ethiopian Airlines flight
and evidence from the crash site showed similarities with a Lion
Air accident in Indonesia, prompting the U.S. Federal Aviation
Administration to ground all MAX jets.             
    - Ethiopia said the Ethiopian Airlines flight had "clear
similarities" with the Lion Air crash, as shown by initial
analysis of the black boxes recovered from the wreckage of the
March 10 disaster, in which all 157 people on board were killed.
    - Investigators have found a piece of a stabilizer in the
wreckage of the Ethiopian jet with the trim set in an unusual
position similar to that of the Lion Air plane, two sources
familiar with the matter said.             
    - The pilot of the Ethiopian Airlines flight had reported
internal control problems and received permission to return. The
pilot of the Lion Air flight, which crashed on Oct. 29 with the
loss of all 189 people on board, had also asked to return not
along after taking off from Jakarta.
    - The Ethiopian Airlines flight had an unusually high speed
after take-off before the plane reported problems and asked
permission to climb quickly, said a source who has listened to
the air traffic control recording.             
    - A voice from the cockpit requested to climb to 14,000 feet
above sea level - about 6,400 feet above the airport - before
urgently asking to return, the source told Reuters on condition
of anonymity. The plane vanished from radar at 10,800 feet.
    - In Paris, France's BEA air accident investigation agency
said data from the flight recorder had been successfully
downloaded.
    - The agency said that information had been transferred to
Ethiopian investigators and that its technical work on the
flight data recorder and cockpit voice recorder had been
done.            
    - Indonesia plans to move up by about a month the release of
an investigation report on the Lion Air crash, its transport
safety committee said. It now plans to release the report
between July and August, ahead of its previous schedule of
between August and September.              
    - Following the Lion Air crash, Boeing said it was preparing
a software upgrade for the jets. After the Ethiopia crash, the
company said it would deploy that upgrade across the fleet in
the coming weeks.                         
    - Boeing maintains its new, fuel-efficient jets are safe,
but supported the FAA decision to ground them. Fearing a
financial hit and brand damage, investors have wiped nearly $25
billion off the company's market value. 
    
    WHAT'S NEXT?
    - U.S. lawmakers said the planes could be grounded for weeks
to upgrade and install the software in every plane.             
    - Boeing plans to release upgraded software for its 737 MAX
in a week to 10 days, sources familiar with the matter said on
March 16.             
    - No lawsuits have been filed since the crash of Ethiopian
Airlines Flight 302, but some plaintiffs' lawyers said they
expect that Boeing will be sued in the United States.
            
    - Investigators are expected to release a preliminary report
based on information they glean from the data and cockpit
recordings captured by the two black boxes.
    - Ethiopian Airlines said on March 16 that DNA testing of
the remains of the passengers may take up to six months.
            
    - A decision will be made by countries about whether and
when to lift the grounding of the Boeing jets based on that
information.

    
 (Compiled by Ben Klayman, Sayantani Ghosh, Mark Potter and
Keith Weir)
  
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