Search for cause of deadly Boeing 737 MAX Lion Air crash begins
"Investigators will also study Boeing’s detailed records of how each part of this jet was built, particularly because it was completed during the chaotic production issues in Renton this summer.
Lion Air Chief Executive Edward Sirait said in a news conference that the fault reported on the jet’s previous flight, which he didn’t specify, had been fixed after instructions from Boeing before the plane took off again from Jakarta.
In an interview Monday, Jon Ostrower, aviation expert and editor of The Air Current, a digital aviation publication, said that according to standard practice after an airplane crash, “the first thing investigators look at is the maintenance logs and what was serviced in the flights preceding the accident.”
From those logs, the air traffic control exchanges with the pilots, the black-box data and the cockpit voice recorder, “I think we’re going to get an indication pretty quick” of the areas investigators will zoom in on, Ostrower said.
Indonesia’s transport-safety committee will lead the investigation. But because the plane was built in the United States, National Transportation Safety Board (NTSB) aviation-accident inspectors will assist with the inquiry, backed up by technical advisers from Boeing and U.S.-French engine maker CFM International, co-owned by General Electric and Safran."