Originally Posted by AirBear

Weather conditions at the time were reported as one-half mile with snow and fog and a ceiling of 300 feet.
according to the NTSB. “The flight crew disconnected the autopilot and continued the approach, manually flying the airplane. Once the autopilot disconnected, the airplane immediately rolled to the right. The flying pilot and the non-flying pilot both got on the controls and increased engine power to attempt to regain control of the airplane. They were able to level the airplane; however, it impacted the ground in a near wings level attitude."