[1] The final accident report found that "The fan case had no through-hole penetrations and showed no evidence of an uncontainment."

The level of damage to the engine inlet was, however, greater than expected in the accident when compared with the certification test.

[3][4]: 29 The accident was investigated by the Federal Aviation Administration and the National Transportation Safety Board (NTSB).

The French Bureau of Investigation and Analysis for Civil Aviation Safety has also appointed an accredited representative who is supported by a technical advisor from Safran Aircraft Engines.

On March 30, 2020, the NTSB determined the probable cause of the accident as follows: "A low-cycle fatigue crack in the dovetail of fan blade No.