IU737 - Incident: Super A320 near Denpasar on Mar 21st 2023

A Super Air Jet Airbus A320-200, registration PK-SAW performing flight IU-737 from Denpasar to Jakarta (Indonesia), had just reached the top of climb out of Denpasar at FL300 when the crew initiated an emergency descent to 10,000 feet due to the loss of cabin pressure. The aircraft continued to Jakarta where the aircraft landed safely about 90 minutes after leaving FL300.

The airline reported the crew received indication that the pressure control system of the aircraft was not working properly, the crew therefore needed to descend the aircraft. As result the temperature in the cabin to be higher than it should be.