One of the two black boxes from the crashed China Eastern passenger jet has been found, an official of China's aviation regulator told reporters on Wednesday. However the recovered black box is said to be heavily damaged, and retrieveing data for investigation might prove a challenge.

from Times of India https://timesofindia.indiatimes.com/world/china/china-plane-crash-black-box-found-in-damaged-condition/articleshow/90395790.cms