Flight controllers done additional exam firings on the capsule’s thrusters next undocking; one particular didn't ignite. Engineers suspect the more the thrusters are fired, the hotter they turn into, leading to protective seals to swell and obstruct the movement of propellant. Starliner’s crew demo capped a journey stuffed with delays https://ragingbookmarks.com/story18051191/getting-my-thruster-finance-to-work