The fuel switches were cut on the Air India plane that crashed and killed 270 people last month shortly after the plane took off, a preliminary research report published on Friday said Friday.
The report of the Aircraft Accident Research Office of India occurs when the airline has been under intense pressure to respond for the accident, which killed everyone but a passenger on the plane and another 29 on the ground.
The fuel cut switches changed from “run” to “cut” to engines 1 and 2 in the Boeing 787-8 of two engines, a type of plane known as Dreamliner, according to the report.
“In the voice recording of the cabin, one of the pilots is heard asking the other why he cut. The other pilot replied that he did not,” says the report.
The report is preliminary and a final report could take weeks. The report published on Friday does not reach conclusions or recommend actions to operators or manufacturers, and research continues.
Only one person survived the accident, the British national Ramesh Viswashkumar. His brother, also on the plane, was killed.
In addition to the 241 people on the plane who died, 29 people on the ground were also killed when the plane crashed.
Air India flight 171 bound for London carried 230 passengers and 12 crew members when it crashed seconds after takeoff from Sardar Vallebhbhai Patel International Airport in the western city of Ahmedabad. It became a building where medical students were sitting for lunch.
After the switches changed to the cut, there were attempts to recover and turn on again, says the report.
“The slowdown of the Cinese 1 core stopped, invested and began to progress to recovery. The 2 engine was able to align again, but could not stop the slowdown in the nucleus speed and reintroduce the fuel repeatedly to increase the acceleration and recovery of the nucleus speed,” says the report.
Then, a pilot issued a relief call: “Mayday Mayday Mayday”, and the plane lost the altitude and crashed, according to the report. The plane exploiting on the impact.
Air India said Friday that he is working closely with regulators and cooperating completely with the aircraft accident research office and other authorities. He said he could not comment on specific details due to ongoing research.
“Air India is solidarity with families and those affected by the AI171 accident,” said the airline. “We continue to cry the loss and we are totally committed to provide support during this difficult time.”
It was the first accident for the Boeing Dreamliner aircraft, which entered commercial service in 2011.
The investigation carried out by the Aircraft Accident Research Office of India included members of the US National Transportation Security Board. UU. Because the accident involved a plane manufactured in the United States. Last month, the researchers began to analyze the black boxes after their recovery from the accident site.
After the accident, the Aviation Control Agency of India, the General Directorate of Civil Aviation, ordered Air India to carry out additional maintenance in its Boeing 787-8/9 aircraft.
But no important concerns were found, said the guard dog on June 17 in a statement.
A week later, the regulator said in a statement that he had found multiple cases of “repeated defects in aircraft that indicate ineffective monitoring and inadequate rectification action”, while investigating several airports, even in New Delhi and Mumbai, and that had ordered the changes to be made within seven days.
Reuters reported that the Air India subsidiary airline, Air India Express, was also rebuked by the Indian authorities in March, and is under investigation by the Aviation Security Agency of the European Union for not changing the engine parts of one of its Airbus aircraft in a timely manner.
Boeing said in a statement on Friday that he continues to support the investigation.
“Our thoughts remain with the loved ones of passengers and the crew on board the Air India flight, as well as all those affected in the ground in Ahmedabad,” the company said.