On April 7, 2013, an accident occurred involving a Boeing 737-300, registration PK-GGN, operated by Citilink Garunda Indonesia. The National Transportation Safety Committee (NTSC) of Indonesia led the investigation into the event.
As the State of Manufacturer and Design, the NTSB appointed a U.S. Accredited Representative to assist the NTSC investigation in accordance with ICAO Annex 13.