Données préliminaires issues de la notification des autorités d'Indonésie :
The ATR 72-500 aircraft registered PK-KSC conducted a scheduled flight as KLS931 from WAOO to WAOK. At about 03:53 UTC, the aircraft took off from WAOO. At 03:54 UTC, the flight crew declared "mayday mayday" due to engine no. 1 flame out and requested emergency landing to WAOO. At 03:58 UTC, the aircraft landed on runway 10 at WAOO. All passengers and crew evacuated normally with passenger stairs.