"The Central MTU of the Federal Air Transport Agency has appointed a commission to investigate the incident in order to establish the causes of the aviation incident with flight SBI 1236 Saratov (Gagarin) - Moscow (Domodedovo)," RIA Novosti reported the department.
According to the Federal Air Transport Agency, the aircraft crew performed all actions in accordance with the instructions and made a regular landing at the capital's airport at 15:07 Moscow time.
The incident took place on December 24th.
Due to an emergency situation, the B-737-83N aircraft of the Siberia Airlines requested a descent to an altitude of 3050 m and made a decision to return to the destination aerodrome.
Earlier it was reported about an emergency landing of the flight Moscow - Krasnodar after the depressurization sensor of the cockpit was triggered.