(Reuters) – Indonesian investigators have discovered that design and oversight errors played a key role in the crash of Boeing Co ( BA.N ) 737 MAX on board, in which all 189 people were killed Wall Street Journal said on Sunday.
FILE PHOTO: A worker assists his colleague in lifting a jet engine of the Lion Air JT610 jet engine in the port of Tanjung Priok in Jakarta, Indonesia on November 4, 2018. REUTERS / Beawiharta
The draft conclusions are expected That this will be the first official statement of design flaws and regulatory filing errors by the US Government. According to the WSJ, a number of pilot errors and maintenance failures have also caused the Lion Air crash.
The Boeing 737 MAX has been down since March after two fatal accidents in five months.
A Boeing spokesman did not comment on the newspaper's report, but said the aircraft manufacturer continued to provide assistance to the investigative agencies as they completed their report.
Soerjanto Tjahjono, the head of the Indonesian Transport Safety Committee, told Reuters that he could not comment before publishing the final report, which is expected in early November.
Several but not all stakeholders had already given feedback on a draft final report that had not been publicly published.
The draft was distributed on August 24 to parties such as Boeing, Lion Air, and the US Federal Aviation Administration.
"There are stakeholders who have sent their answers to us, and we rate them," said Tjahjono.
US. Aviation crash investigators are ready to announce a handful of separate safety recommendations, from improving pilots' manual flight capabilities to improving FAA review of new aircraft designs, the WSJ added.
Towards the end of the month, the National Transportation Safety Board (NTSB) is expected to demand improvements in cockpit training and crew decision-making, focusing on possible changes in the certification of new commercial aircraft, the newspaper said.
The NTSB declined to comment on the WSJ report, but said it plans to release recommendations on the FAA certification program sometime in September.
The FAA welcomed the review by security experts and looked forward to their findings, a statement said.
"We continue to work with other international aviation safety regulators and will carefully review all recommendations," he added. "The FAA will include any changes that would improve our certification activities."
Reporting by Rishika Chatterjee in Bengaluru and David Shepardson in Washington; Additional reporting by Bernadette Christina Munthe in Jakarta; Edited by Clarence Fernandez and Peter Cooney