Latest letter issued from Leonardo, does not appear they think there was any mechanical failure !!
Following AW139 accident that occurred near Big Grand Cay Island, Bahamas on July 4th, 2019, Leonardo Helicopters immediately dispatched a team to offer support to the recovery and investigation and continues to work closely with the Investigating Authorities.
At this point, Leonardo Helicopters do not envisage the need to take any airworthiness actions as a result of present investigation outcomes