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| Date: | Friday 25 July 2025 |
| Time: | c. 13:00 |
| Type: |  Boeing 737-83N (WL) |
| Owner/operator: | S7 Airlines |
| Registration: | RA-73409 |
| MSN: | 30640/1035 |
| Year of manufacture: | 2001 |
| Engine model: | CFMI CFM56-7B |
| Fatalities: | Fatalities: 0 / Occupants: |
| Other fatalities: | 0 |
| Aircraft damage: | Unknown |
| Location: | near Chulym, Chulymsky District, Novosibirsk Oblast -
 Russia
|
| Phase: | Initial climb |
| Nature: | Passenger - Scheduled |
| Departure airport: | Novosibirsk-Tolmachevo Airport (OVB/UNNT) |
| Adler/Sochi Airport (AER/URSS) | |
| Confidence Rating: |  Information is only available from news, social media or unofficial sources |
During the flight on the Novosibirsk-Sochi route, the crew of the aircraft (Boeing-737) of Siberia Airlines decided to return to the departure airport to check the pressurization systems.
Sources:
https://t.me/zstproc/3707
https://t.me/aviaincident/44220
https://www.flightradar24.com/data/aircraft/ra-73409#3b69e0c7
https://www.airfleets.net/ficheapp/plane-b737ng-30640.htm
History of this aircraft
Other occurrences involving this aircraft
| 15 June 2019 | VP-BNG | S7 Airlines, opb Globus | 0 | Krasnodar International Airport (KRR/URKK) | |
min |
| Tailstrike | ||||||
Media:
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 25-Jul-2025 07:15 | vasilf | Added |
| 25-Jul-2025 08:59 | vasilf | Updated [Embed code, ] |
Corrections or additions? ... Edit this accident description
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