Original sentence: The crew figures out a means to restore pressure to safely leave the station, but while sending a crew member to repair external damage he is attacked by the sea creature.The crewman manages to get back into the air lock but before he can get out of his diving suit, water gushes into the station and allows the creature inside the station
Edited sentence: He manages to get back into the air lock but before he can get out of his diving suit, water gushes into the station and allows the creature inside the station.The crew figures out a means to restore pressure to safely leave the station, but while sending Richardson to repair external damage he is attacked by the sea creature