NASA's Lucy spacecraft has a problem with one of its solar arrays, which has not locked into place properly. Now there's a plan to fix it.

NASA wants to fully open Lucy's solar array before the spacecraft visits the Trojan asteroids that share Jupiter’s orbit around the sun.

We Finally Know Why a Solar Array on NASA’s Asteroid Probe Failed to Open After a lanyard fell off its spool, NASA is mulling whether to try again to deploy the solar panel—or do nothing.