We’re still collecting data for this aircraft. Routes appear once we’ve seen it fly enough times.
Improper maintenance/installation of the No. 2 engine power turbine (PT) wheel assembly by company maintenance personnel, which resulted in deflection at the engine case axial midpoint and misalignment between the inlet housing and the rear bearing support housing (RBSH) which resulted in damage to the engine and an in-flight fire.
Eurocopter Deutschland Gmbh MBB BK-117 A4