Canada B38M near Mexico City on Oct 13th 2023, cabin pressure problems and loss of cabin pressure

Last Update: October 20, 2023 / 20:12:41 GMT/Zulu time

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Incident Facts

Date of incident
Oct 13, 2023

Classification
Incident

Airline
Air Canada

Flight number
AC-990

Departure
Mexico City, Mexico

Destination
Toronto, Canada

Aircraft Registration
C-GMEX

Aircraft Type
Boeing 737-800MAX

ICAO Type Designator
B38M

An Air Canada Boeing 737-8 MAX, registration C-GMEX performing flight AC-990 from Mexico City (Mexico) to Toronto,ON (Canada), was climbing out of Mexico City cleared to FL290 when the crew reported they had a packs problem and needed to level off at FL200 and entered a hold. A few minutes later the crew advised they were able to climb again and continued their climb to FL290, subsequently being cleared to FL330, when climbing through FL280 the crew donned their oxygen masks, declared Mayday and initiated an emergency descent about 130nm northeast of Mexico City. The aircraft initially maintained 8000 feet, later 10,000 feet while diverting to Houston Intercontinental,TX (USA) where the aircraft landed safely about 2.5 hours after leaving FL280.

The aircraft was still on the ground in Houston about 48 hours after landing in Houston.

On Oct 20th 2023 the Canadian TSB reported: "Approximately 30 minutes after departure the crew reported cabin decompression and oxygen masks deployed. A MAYDAY was declared, and the flight descended to 8000ft, the decision was made to divert to George Bush Intercontinental/Houston Airport (KIAH), Texas. The aircraft landed without further incident, EMS met aircraft on arrival and no injuries were reported. L/H PACK Air conditioning computer (IASC) replaced in accordance with AMM."
Aircraft Registration Data
Registration mark
C-GMEX
Country of Registration
Canada
Date of Registration
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Certification Basis
BkpkAgbenAgbembcjijlfhhpjcenkmmjAbmhn gA ckhiA Subscribe to unlock
TCDS Ident. No.
Jcil Subscribe to unlock
Manufacturer
Boeing
Aircraft Model / Type
737-8
ICAO Aircraft Type
B38M
Year of Manufacture
Edij Subscribe to unlock
Serial Number
Nlnbp Subscribe to unlock
Aircraft Address / Mode S Code (HEX)
Gdkh m Subscribe to unlock
Maximum Take off Mass (MTOM) [kg]
K hjp Subscribe to unlock
Engine Count
N Subscribe to unlock
Engine Type
Fpbjgmpnh Subscribe to unlock
Main Owner
Lcmne h gldeg jie qneAeAepjAipqpdkhp kdpgnbqpjhdmjnpdqAncimjlpphmqfhheickqeAliihphpemnmekAgqdAh iAeljkd Subscribe to unlock

Aircraft registration data reproduced and distributed with the permission of the Government of Canada.

Incident Facts

Date of incident
Oct 13, 2023

Classification
Incident

Airline
Air Canada

Flight number
AC-990

Departure
Mexico City, Mexico

Destination
Toronto, Canada

Aircraft Registration
C-GMEX

Aircraft Type
Boeing 737-800MAX

ICAO Type Designator
B38M

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