Cargojet B752 near Calgary on Sep 27th 2019, loss of cabin pressure

Last Update: October 15, 2019 / 21:53:51 GMT/Zulu time

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Incident Facts

Date of incident
Sep 27, 2019

Classification
Incident

Airline
Cargojet

Flight number
W8-919

Aircraft Registration
C-GCJT

Aircraft Type
Boeing 757-200

ICAO Type Designator
B752

A Cargojet Airways Boeing 757-200, registration C-GCJT performing flight W8-919 from Calgary,AB (Canada) to Cincinnati,KY (USA), had just reached cruise FL350 when the crew observed the cabin altitude climb at 100fpm. Shortly afterwards the cabin altitude warning sounded, the crew donned their oxygen masks and performed an emergency descent. The aircraft returned to Calgary for a safe landing about 80 minutes after departure.

The Canadian TSB reported the Equipment Cooling Overboard Exhause Valve had been deferred and had been locked in the "SMOKE" position (partially open) according to minimum equipment list requirements prior to the flight. After the aircraft returned maintenance found the valve in the fully open position having failed in the locked out position. This created the loss of pressure. The valve was replaced.
Aircraft Registration Data
Registration mark
C-GCJT
Country of Registration
Canada
Date of Registration
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Certification Basis
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TCDS Ident. No.
Manufacturer
Boeing
Aircraft Model / Type
757-223
ICAO Aircraft Type
B752
Year of Manufacture
Serial Number
Aircraft Address / Mode S Code (HEX)
Maximum Take off Mass (MTOM) [kg]
Engine Count
Engine Type
Main Owner
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Aircraft registration data reproduced and distributed with the permission of the Government of Canada.

Incident Facts

Date of incident
Sep 27, 2019

Classification
Incident

Airline
Cargojet

Flight number
W8-919

Aircraft Registration
C-GCJT

Aircraft Type
Boeing 757-200

ICAO Type Designator
B752

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