On April 12, 2015, an incident occurred involving a Boeing 737-530, registration D-ABJB, operated by Lufthansa. The Swiss Transportation Safety Investigation Board (BFU-CH) notified the NTSB of the event.
What happened
Following the notification from the BFU-CH, the NTSB appointed a U.S. Accredited Representative to support the investigation conducted by the Swiss authorities. This action was taken in accordance with ICAO Annex 13, as the United States is the state of manufacture and design for the aircraft.