While passing through a mandoor due to an inoperable inby airlock door, the outby airlock opened, causing a sudden air pressure change that made the mandoor slam shut, injuring EE's right thumb. EE visited CAMC Surgery on 5/22/2024 and was diagnosed with a displaced fracture of the distal phalanx. EE was released and returned to work on 5/23/2024, performing EE's normal duties.