NASA’s OSIRIS-REx brought back the largest asteroid sample in history, then couldn’t open the container. Two of 35 fasteners on the sampler head refused to budge, and engineers spent three months building custom tools to free the 121.6 grams of asteroid Bennu inside.
This is a 3D animated reconstruction of the real OSIRIS-REx mission.
Sources:
University of Arizona, curation team removes the two stuck fasteners:
https://news.arizona.edu/news/nasas-osiris-rex-curation-team-clears-hurdle-access-
