https://avherald.com/h?article=521ec68d&opt=0
Accident: Swiss BCS3 near Graz on Dec 23rd 2024, smoke on board
On Dec 30th 2024 the airline reported that the seriously injured flight attendant died.
According to information The Aviation Herald received
the left hand engine suffered an oil leak causing the smoke,
the engine seized leading to the suspicion that the main shaft might be fractured.
The engine is being replaced.