Complex sentence: Subsequent investigation by the Indonesian National Transportation Safety Committee found out that the aircraft had suffered an engine failure on its left engine; the pilot failed to execute a proper go-around procedure and crashed into the densely populated residential area of Margahayu.
Split into simpler sentences: Subsequent investigation by the Indonesian National Transportation Safety Committee found out that the aircraft had suffered an engine failure on its left engine. The pilot failed to execute a proper go-around procedure and crashed into the densely populated residential area of Margahayu.