American B773 at Sao Paulo on Jan 22nd 2023, cabin did not pressurize

Last Update: February 1, 2023 / 19:20:48 GMT/Zulu time

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Incident Facts

Date of incident
Jan 22, 2023

Classification
Incident

Flight number
AA-950

Aircraft Registration
N730AN

Aircraft Type
Boeing 777-300

ICAO Type Designator
B773

An American Airlines Boeing 777-300, registration N730AN performing flight AA-950 from Sao Paulo Guarulhos,SP (Brazil) to New York JFK,NY (USA) with 225 passengers and 14 crew, was climbing out of Sao Paulo when the aircraft initiated a rapid descent at about FL210 down to FL120 due to the cabin not pressurizing normally, the passenger oxygen masks deployed. The aircraft returned to Sao Paulo for a safe landing on Guarulhos' runway 28R about 45 minutes after departure. As result of the landing roll brakes overheated causing a number of main tyres to deflate.

Passengers reported the captain announced a cabin pressure problem, the oxygen masks were released.

The airline reported mechanical problems as cause for the return.

On Feb 1st 2023 Brazil's CENIPA reported the aircraft suffered a failure in the pressurization system during the climb, the related checklists were accomplished and the aircraft returned to Sao Paulo. The occurrence was rated an incident.
Aircraft Registration Data
Registration mark
N730AN
Country of Registration
United States
Date of Registration
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Manufacturer
BOEING
Aircraft Model / Type
777-323ER
Number of Seats
ICAO Aircraft Type
B773
Year of Manufacture
Serial Number
Aircraft Address / Mode S Code (HEX)
Engine Count
Engine Manufacturer
Engine Model
Engine Type
Pounds of Thrust
Main Owner
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Incident Facts

Date of incident
Jan 22, 2023

Classification
Incident

Flight number
AA-950

Aircraft Registration
N730AN

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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