Source: Simon Hradecky | www.avherald.com

An Austrian Airlines de Havilland Dash 8-400, registration OE-LGC performing flight OS-186 from Stuttgart (Germany) to Vienna (Austria), was climbing out of Stuttgart when the crew stopped the climb at FL150 due to an odour related to engine oil in the cockpit. The crew donned their oxygen masks, one of the two cabin crew donned her smoke hood. The aircraft returned to Stuttgart for a safe landing about 30 minutes after departure.

Austrianwings reported passengers also briefly felt a strange odour in the cabin.

The airline reported the flight crew noticed an unusual odour. The cause of this odour was the leakage of a small quantity of oil. Flight crew and one cabin crew donned their oxygen masks/smoke hoods as precaution and returned to Stuttgart. All passengers disembarked normally and were rebooked onto other flights.

The occurrence aircraft returned to service about 196 hours (8 days and 4 hours) after landing.