The last unknown episode of S23 might be Atlas Air Flight 3591

Atlas Air Flight 3591 was a scheduled domestic cargo flight operating for Amazon Air between Miami International Airport and George Bush Intercontinental Airport in Houston. On February 23, 2019, the Boeing 767-375ER(BCF) used for this flight crashed into Trinity Bay during approach into Houston, killing the two crew members and single passenger on board. The accident occurred near Anahuac, Texas, east of Houston, shortly before 12:45 CST (18:45 UTC).This was the first fatal crash of a Boeing 767 freighter.