Wall Street Journal: Inspector General of the Transportation Department reviews the approval of the Boeing 737 Max by the FAA
The report of the Inspector General's Inspectorate comes after the 737 Max aircraft were anchored indefinitely worldwide last week after two fatal accidents involving the aircraft model.
The investigation will focus on an automatic security system involved in the Lion Air accident in Indonesia, the Journal reported, citing a government official in October] answers to pressing questions from the FAA and the Boeing crash "class = "media__image" src = "http://cdn.cnn.com/cnnnext/dam/assets/190311160456-08-ethiopian-plane-crash-0311-large-169.jpg" />
It is not known whether the Ethiopian Airlines flight crashed a week ago will or may not play a role in this investigation.
CNN has approached the Transportation Department and the Agency's Inspector General for Opinion.
The FAA sent questions to the Inspector General
However, the agency said in a statement that "aircraft certification procedures are well established and have always produced safe aircraft designs."
Both para Turkey, which took place at intervals of five months, continues to be investigated by Indonesia and Ethiopia governments with the support of the US and Boeing. The Ethiopian Transport Minister said on Sunday that preliminary black box data showed "similarities" between the two incidents.
A preliminary report on the Lion Air crash also revealed that the pilots were using the automatic safety system, known as the Maneuvering Line Expansion System (MCAS) to control the jet.
Boeing announced Monday that it is working with the FAA to complete a software update for the MCAS system to make the aircraft safer. The company plans to release the update by April at the latest.