Boeing 777 incident near London, Gb, July 3, 2019
On July 3, 2019 at about 3:30 pm local time, a Boeing 777, registered GYMMU, was involved in an incident during initial climb near London. It was flown under non-U.S. commercial rules. No one was hurt; 272 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 October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- July 3, 2019 · about 3:30 pm local time
- Place
- London, United Kingdom
- Type
- Incident
- Injuries
- No one was hurt; 272 people were on board or involved.
- Weather
- not recorded
- Aircraft
- Boeing 777 236 · all 777s on the register
- Registration
- GYMMU · no longer on the register · serial 35519
- Damage
- Not recorded
- Flight
- Flight · non-U.S. commercial rules
The NTSB's narrative preliminary · quoted from the NTSB record
The Air Accident Investigation Branch (AAIB) of United Kingdom has notified the NTSB of an incident involving a BOEING 777 airplane that occurred on July 03, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of United Kingdom's investigation under the provisions of ICAO Annex 13.All investigative information will be released by the AAIB.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
What happened, in order
- Fire/smoke (non-impact) during initial climb defining event
The aircraft
- Landing gear: retractable
- Not recorded
The flight
- 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 | 259 |
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 GYMMU the same tail number, which may have belonged to a different aircraft at the time
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 never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.