Boeing 777-222 incident near Ezeiza, Outside the U.S., September 9, 2025
On September 9, 2025 at about 2:57 am local time, a 1998 Boeing 777-222, registered N796UA, was involved in an incident during enroute (climb to cruise) near Ezeiza, Outside the U.S.. It was flown under scheduled airline rules (Part 121). No one was hurt; 266 people were on board or involved.
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this incident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made November 2, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- September 9, 2025 · about 2:57 am local time · cases in 2025
- Place
- Ezeiza, Argentina · map
- Type
- Incident
- Injuries
- No one was hurt; 266 people were on board or involved.
- Weather
- not recorded
- Aircraft
- Boeing 777-222, built 1998 · all 777-222s on the register
- Registration
- N796UA · registry record · serial 26931
- Damage
- Not recorded
- Flight
- Flight · scheduled airline rules (Part 121)
The factual record from the NTSB's investigation tables, in plain English
What happened, in order
- Sys/Comp malf/fail (non-power) during enroute (climb to cruise) defining event
Pilot
- Certificate: airline transport pilot
- Injury: no injuries
Co-pilot
- Certificate: airline transport pilot
- Injury: no injuries
Other crew
- Certificate: airline transport pilot
The aircraft
- Seats: 400
- Landing gear: retractable
- Engine 1: P&W PW4000 SER (turbofan); 0 hours total
- Engine 2: P&W PW4000 SER (turbofan); 0 hours total
- Operator: United Airlines INC
The flight
- Departed from: SAEZ Buenos Aires OF at 11:55 pm
- Destination: IAH Houston TX
- Flight plan: IFR
- A second pilot was aboard
Weather at the time
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Cabi | 10 | |||
| Flight crew | 3 | |||
| Passengers | 253 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The NTSB has not released the docket for this case yet. The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), is usually released when the investigation is nearly complete, and the list here is refreshed when it appears. Check at the NTSB.
Other NTSB records under N796UA the same tail number, which may have belonged to a different aircraft at the time
Connections how this case links to the rest of the register
- N796UA on the register today · the tail number may have moved to another aircraft since
- Boeing 777 359 registered today · the model family and its accident history
- Boeing 6,677 aircraft on the register
- Engine: P&W PW4000 SER 149 aircraft carry this series today · as the NTSB recorded it
- Engine: P&W PW4000 SER 149 aircraft carry this series today · as the NTSB recorded it
- George Bush Intcntl/Houston Airport · bound for
- Accidents and incidents in Outside the U.S. 1,249 since 1982 · 1,232 in the last ten years
- Outside the U.S. 0 aircraft registered
- Other NTSB records under N796UA 2 records · the number may have belonged to another aircraft at the time
The whole map of how records connect · these connections as data: /graph/accident/DCA25WA345.json.
The bigger picture in Aviation Analytics: accidents over time since 1982, by model, by phase of flight and conditions, by place and on the map.
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text does not name anyone involved, its policy at this time. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.