United B789 over Hudson Bay on Sep 26th 2024, captain's displays went blank

Last Update: October 4, 2024 / 09:58:36 GMT/Zulu time

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Incident Facts

Date of incident
Sep 26, 2024

Classification
Incident

Airline
United

Flight number
UA-231

Aircraft Registration
N27958

ICAO Type Designator
B789

A United Boeing 787-9, registration N27958 performing flight UA-231 from Los Angeles,CA (USA) to London Heathrow,EN (UK), was enroute at FL350 over the Hudson Bay (Canada) when the crew decided to divert to Chicago O'Hare,IL (USA) due to both PFD and ND displays of the captain going blank and both flight management computers entering a degraded mode. The aircraft landed safely on Chicago's runway 10C about 140 minutes later.

The Canadian TSB reported the captain's primary flight and navigation displays failed showing a blank display, the flight management computers entered a degraded mode with limited capabilities, lateral navigation was not possible, however, heading and track mode remained available. The crew declared Mayday and diverted to O'Hare via alternate navigation and vectors.
Aircraft Registration Data
Registration mark
N27958
Country of Registration
United States
Date of Registration
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Manufacturer
BOEING
Aircraft Model / Type
787-9
Number of Seats
ICAO Aircraft Type
B789
Year of Manufacture
Serial Number
Aircraft Address / Mode S Code (HEX)
Engine Count
Engine Manufacturer
Engine Model
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Engine Type
Pounds of Thrust
Main Owner
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Incident Facts

Date of incident
Sep 26, 2024

Classification
Incident

Airline
United

Flight number
UA-231

Aircraft Registration
N27958

ICAO Type Designator
B789

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