Investors and the wider public are looking for answers after Thursday’s crash of an Air India 787 jet. Both of the plane’s black boxes have been recovered.

The crash of a Boeing 787 passenger jet in India minutes after takeoff on Thursday is the latest incident that adds to woes at the troubled U.S. planemaker.

Officials said they had found the cockpit voice recorder that may provide crucial clues about what caused the Air India flight to crash, killing at least 270 people.

The Air India flight fell from the sky on Thursday and killed at least 270 people in Gujarat state, officials said Saturday.

Indian authorities have ordered what they called “extended surveillance” of all Boeing 787 aircraft in the country’s fleet while they investigate the cause of Thursday’s crash of an Air India plane.

The crash happened just weeks after the company cut a deal with the U.S. government to avoid taking criminal responsibility for a pair of deadly crashes in 2018 and 2019.

Boeing Co. Chief Executive Officer Kelly Ortberg is in a familiar role as he faces another crisis, this time over a crash involving the company’s 787 Dreamliner jet in India.

Multiple Indian agencies, including the National Security Guard (NSG), National Disaster Response Force (NDRF), Indian Air Force, forensic teams, fire and rescue services are inspecting the wreckage of the London-bound Air India jet, which crashed into the rooftop of a doctors’ hostel in Ahmedabad. The area remains fully cordoned off.