Summary: A catastrophic failure of our oxygen generator resulted in a 3-hour loss of breathable air, affecting 37 crew members.
On 2087-02-15, at 14:47:01, the primary oxygen generator failed, causing a chain reaction that locked out the backup system. The resulting airlock caused 37 crew members to experience temporary hypoxia.
Causes of the incident: Software malfunction, Human error, Combination of both (see appendix A)
Upgrade oxygen generator software to version 2.1, conduct mandatory crew training on emergency procedures.
Chief Engineer, Engineer Bob; Assistant Engineer, Ensign Amy; 35 affected crew members