United B744 at London on Aug 20th 2013, cabin did not pressurize

Last Update: August 20, 2013 / 20:39:46 GMT/Zulu time

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Incident Facts

Date of incident
Aug 20, 2013

Classification
Incident

Cause
Cabin did not pressurize

Airline
United

Flight number
UA-900

Departure
London Heathrow, United Kingdom

Destination
San Francisco, United States

Aircraft Registration
N117UA

Aircraft Type
Boeing 747-400

ICAO Type Designator
B744

A United Boeing 747-400, registration N117UA performing flight UA-900 from London Heathrow,EN (UK) to San Francisco,CA (USA) with 374 passengers and 19 crew, was climbing out of Heathrow's runway 27R when the crew stopped the climb at FL100 and descended the aircraft to FL080 due to the cabin not properly pressurizing. The aircraft dumped fuel and returned to London for a safe landing on runway 27L about 2 hours after departure.

The flight was cancelled.
Aircraft Registration Data
Registration mark
N117UA
Country of Registration
United States
Date of Registration
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Manufacturer
BOEING
Aircraft Model / Type
747-422
Number of Seats
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ICAO Aircraft Type
B744
Year of Manufacture
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Serial Number
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Aircraft Address / Mode S Code (HEX)
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Engine Count
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Engine Manufacturer
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Engine Model
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Engine Type
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Pounds of Thrust
JldiA Subscribe to unlock
Main Owner
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Incident Facts

Date of incident
Aug 20, 2013

Classification
Incident

Cause
Cabin did not pressurize

Airline
United

Flight number
UA-900

Departure
London Heathrow, United Kingdom

Destination
San Francisco, United States

Aircraft Registration
N117UA

Aircraft Type
Boeing 747-400

ICAO Type Designator
B744

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