Flight Crew Last 90 Days 161; Flight Crew Type 3500
Other / Unknown
Aircraft Equipment Problem Less Severe; Ground Event / Encounter Loss Of Aircraft Control
Flight Crew Regained Aircraft Control
Airport; Human Factors; Weather
The Captain taxied on [taxiway] at the direction of Ground Control. We were on centerline and the right main hit an unseen snow drift causing the aircraft to slide right and stop. The engine shut down on its own; shut down by snow ingestion.
B737 First Officer reports hitting an unseen snow drift during taxi out causing the aircraft to slide right and the right engine to shut down due to snow ingestion.