On December 11, 2018, a serious incident occurred involving an Airbus A330-223, registration OO-SFU, operated by Brussels Airlines. The event took place in Brussels, Belgium.
Under the provisions of ICAO Annex 13, the NTSB appointed a U.S. Accredited Representative to support the Air Accident Investigation Unit (AAIU) of Belgium. The NTSB's involvement stems from its role as the State of Manufacturer and Design of the engine involved in the incident.