ENG27LA001

NTSB incident investigation · Boeing 777-222 · San Francisco, CA · October 6, 2026

Incident · No injuriesClass 4 · LimitedInvestigation open
Date
October 5, 2026, 17:56 local (Oct 6, 2026, 00:56 UTC)
Place
San Francisco, CA
Injuries
287 uninjured
Phase of flight
Initial climb
Aircraft
N796UABoeing 777-222
Defining event
Initial climb: Powerplant sys/comp malf/fail
Status
Investigation ongoing
Investigation class
Class 4 - Basic report with no Prelim publish
NTSB office
Aviation Engineering Division
Case key
203956

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.

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Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident.

Aircraft

Registration
N796UA
Reported as
Boeing 777-222
Flight
Part 121
Operator
United Airlines Inc
Registered owner
United Airlines Inc

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Other investigations on N796UA · 2

Matched to the same aircraft by N-number and date.