The Japan Transport Safety Board (JTSB) notified the NTSB of an accident involving a Boeing 737, registration JA64AN, which took place on April 12, 2020, in Matsuyama, Japan. Under the provisions of ICAO Annex 13, the NTSB has appointed a U.S. Accredited Representative to support the investigation being conducted by the JTSB. There was 1 serious injury reported, with 0 fatalities.
No fatalities
12 Apr 2020: BOEING 737 800 — Matsuyama, Japan
On 12 Apr 2020, a BOEING 737 800 was involved in an aviation accident near Matsuyama, Japan. No fatalities were reported. Investigators recorded the probable cause as: Not determined. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

The NTSB is assisting the JTSB in an investigation regarding an accident involving a Boeing 737 in Matsuyama, Japan.
Probable cause
Not determined