By Reuters Staff(Adds detail, background)KATHMANDU, Feb 6 (Reuters) - An aircraft that crashed in Nepal last month, killing 71 people on board, had no thrust motion in its engines in the final leg of its descent, a government-appointed panel investigating the accident said on Monday. There were 72 passengers on the twin-engine ATR 72 aircraft operated by Nepal’s Yeti Airlines, including two infants, four crew members and 10 foreign nationals. (Reporting by Gopal Sharma; Writing by Shivam Patel; Editing by Andrew Heavens and Bernadette Baum)