Complex sentence: Two weeks later, she and Sam board Flight 180 to Paris, which loses an engine which sends debris that tear the fuselage.Sam attempts to pull Molly in the plane, but is sucked out and bisected by the left tailplane.
Split into simpler sentences: Two weeks later, she and Sam board Flight 180 to Paris, and the fuselage is torn open by debris when the plane loses an engine. Despite Sam's efforts to pull Molly back into the plane, she is sucked out and bisected by the left tailplane.