The fact
The BEA is investigating a possible engine failure in its preliminary report.
Parachutists had reported smoke issues before the accident.
4 sources — click a link to read an article on the topic:
Why it matters
Ce crash aérien, l'un des plus meurtriers de ces dernières années en France, soulève des questions sur la sécurité des vols et les causes techniques des accidents.
Story timeline
Jul 27Plane crash near Nancy: 11 dead, possible engine failurethis article