A KLM flight KL1387 from Amsterdam (AMS) to Kyiv (KBP) returned to Amsterdam due to a pressurisation issue.
The aircraft involved, Boeing 737-9K2, registration PH-BXO, has no other record in our database at the time of publication.
Courtesy of Flightradar24.com
KLM flight KL1387 returned to Amsterdam due to pressurisation issue