PIA B772 near Toronto on Dec 5th 2014, loss of cabin pressure, returned a second time

Last Update: December 7, 2014 / 13:58:11 GMT/Zulu time

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Incident Facts

Date of incident
Dec 5, 2014

Classification
Incident

Flight number
PK-782

Aircraft Registration
AP-BGZ

Aircraft Type
Boeing 777-200

ICAO Type Designator
B772

A PIA Pakistan International Airlines Boeing 777-200, registration AP-BGZ performing flight PK-782 from Toronto,ON (Canada) to Karachi (Pakistan), was enroute at FL330 about 220nm northeast of Toronto when the aircraft initiated an emergency descent to 10,000 feet due to the rapid loss of cabin pressure. The aircraft returned to Toronto for a safe landing about 2 hours after departure.

Following maintenance the aircraft departed again on Dec 7th but needed to return a second time, see Incident: PIA B772 near Toronto on Dec 7th 2014, cabin did not pressurize.

The loss of cabin pressure was the result of a malfunction of the pressure regulating shutoff valve. Following the second return the valve is now going to be replaced by PIA engineers flown to Toronto.
Incident Facts

Date of incident
Dec 5, 2014

Classification
Incident

Flight number
PK-782

Aircraft Registration
AP-BGZ

Aircraft Type
Boeing 777-200

ICAO Type Designator
B772

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