Narrative:

While in cruise at FL370 'door passenger open' cas message displayed followed by a decrease in cabin pressure. Executed an emergency descent per SOP and [advised] center. Diverted [and] landed safely with no further issues.

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Original NASA ASRS Text

Title: Embraer Phenom 100 flight crew reported an in-flight malfunction of the passenger door resulting in a decrease in cabin pressure. The flight diverted and landed normally.

Narrative: While in cruise at FL370 'DOOR PAX OPEN' CAS message displayed followed by a decrease in cabin pressure. Executed an emergency descent per SOP and [advised] Center. Diverted [and] landed safely with no further issues.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.