United B773 at San Francisco on Nov 18th 2025, strong odour in the back

Last Update: November 19, 2025 / 15:55:38 GMT/Zulu time

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Incident Facts

Date of incident
Nov 18, 2025

Classification
Incident

Airline
United

Flight number
UA-869

Departure
San Francisco, United States

Destination
Hong Kong, China

Aircraft Registration
N2250U

Aircraft Type
Boeing 777-300

ICAO Type Designator
B773

A United Boeing 777-300, registration N2250U performing flight UA-869 from San Francisco,CA (USA) to Hong Kong (China), was climbing out of San Francisco's runway 28L when the crew stopped the climb at FL220 reporting they had a strong odour in the back and needed to return to San Francisco. The aircraft dumped fuel and landed safely back on San Francisco's runway 28R about one hour after departure.

A replacement Boeing 777-300 registration N2251U reached Hong Kong with a delay of about 6 hours.
Aircraft Registration Data
Registration mark
N2250U
Country of Registration
United States
Date of Registration
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Manufacturer
BOEING
Aircraft Model / Type
777-300ER
Number of Seats
Mkf Subscribe to unlock
ICAO Aircraft Type
B773
Year of Manufacture
Glcc Subscribe to unlock
Serial Number
Kkq b Subscribe to unlock
Aircraft Address / Mode S Code (HEX)
MAkkk Subscribe to unlock
Engine Count
C Subscribe to unlock
Engine Manufacturer
Em Subscribe to unlock
Engine Model
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Engine Type
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Pounds of Thrust
Bm ji Subscribe to unlock
Main Owner
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Incident Facts

Date of incident
Nov 18, 2025

Classification
Incident

Airline
United

Flight number
UA-869

Departure
San Francisco, United States

Destination
Hong Kong, China

Aircraft Registration
N2250U

Aircraft Type
Boeing 777-300

ICAO Type Designator
B773

This article is published under license from Avherald.com. © of text by Avherald.com.
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