Westjet B737 near Rapid City on Jan 10th 2014, loss of cabin pressure

Last Update: January 14, 2014 / 21:32:55 GMT/Zulu time

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Incident Facts

Date of incident
Jan 10, 2014

Classification
Incident

Cause
Loss of cabin pressure

Airline
Westjet Airlines

Flight number
WS-1343

Departure
Phoenix, United States

Destination
Winnipeg, Canada

Aircraft Registration
C-FWAD

Aircraft Type
Boeing 737-700

ICAO Type Designator
B737

A Westjet Boeing 737-700, registration C-FWAD performing flight WS-1343 from Phoenix,AZ (USA) to Winnipeg,MB (Canada) with 38 passengers and 5 crew, was enroute at FL410 about 100nm southwest of Denver,CO (USA) when the #2 bleed air tripped off. The crew successfully reset the bleed air system, however, 10 minutes later 50nm north of Denver the #2 bleed air system tripped again and was shut down. Another 15 minutes later, about 150nm northnortheast of Denver and 130nm south of Rapid City,SD (USA), the #1 bleed air system tripped too, the cabin began to "climb" at 2000 to 3000 feet per minute. The crew donned their oxygen masks, executed a rapid depressurization causing the passenger oxygen masks to be released and initiated an emergency descent to 10,000 feet. The crew decided to divert to Rapid City where the aircraft landed safely about 32 minutes after leaving FL410.

The Canadian TSB reported that the bleed air system #2 tripped a second time about 10 minutes after the successful reset, about 15 minutes after the #2 bleed air system tripped off the second time the #1 bleed air system tripped as well resulting the in cabin climbing at about 2000-3000 feet per minute, the crew donned their oxygen masks and performed a rapid depressurization, an emergency descent and diversion to Rapid City. In the meantime the aircraft has been ferried to Toronto,ON (Canada) for examination and repair.
Incident Facts

Date of incident
Jan 10, 2014

Classification
Incident

Cause
Loss of cabin pressure

Airline
Westjet Airlines

Flight number
WS-1343

Departure
Phoenix, United States

Destination
Winnipeg, Canada

Aircraft Registration
C-FWAD

Aircraft Type
Boeing 737-700

ICAO Type Designator
B737

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