The root cause for the in-flight vibration occurred in AirAsia X Flight D7237 on June 25, 2017, was identified by Australian Transport Safety Board.
In flight vibration occurred in Air Asia aircraft D7237 on June 25, while the flight was heading to Malaysia with 359 on board passengers.
This in-flight vibration hit the aircraft as it was lifted to a height of 40, 000 feet at Carnarvon, Western Australia.
Flight D7237 belongs to Airbus and model A330 uses port Rolls Royce Trent 700 engine, this engine fan blade failure has caused the vibration.
Even after the shutdown of engine, the rotation in engine rotor due to heavy wind airflow has resulted increased vibration.
The final accidental report will be released soon by the Australian Transport Safety Board.