SAS A343 near Goose Bay on Apr 16th 2017, loss of cabin pressure

Last Update: April 21, 2017 / 19:40:12 GMT/Zulu time

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Incident Facts

Date of incident
Apr 16, 2017

Classification
Incident

Cause
Loss of cabin pressure

Airline
SAS Scandinavian Airlines

Flight number
SK-944

Departure
Chicago O'Hare, United States

Destination
Copenhagen, Denmark

Aircraft Registration
LN-RKP

Aircraft Type
Airbus A340-300

ICAO Type Designator
A343

A SAS Scandinavian Airlines Airbus A340-300, registration LN-RKP performing flight SK-944 (dep Apr 15th) from Chicago O'Hare,IL (USA) to Copenhagen (Denmark) with 196 people on board, was enroute at FL350 about 180nm northwest of Goose Bay,NL (Canada) when the crew initiated an emergency descent to 10,000 feet due to the loss of cabin pressure. The aircraft diverted to Goose Bay for a safe landing about 50 minutes later.

The airline reported the aircraft diverted to Goose Bay due to the gradual loss of cabin pressure, the passenger oxygen masks did not need to be released. The passengers were taken to hotels. The causes of the pressure loss are being investigated. The aircraft is estimated to continue to Copenhagen around 22:00Z and is expected to arrive in Copenhagen on Monday morning.

On Apr 21st 2017 the Canadian TSB reported the aircraft was enroute at FL350 about 175nm north of Goose Bay when the flight crew received a "DOOR UNSAFE" indication due to a faulty sensor and the cabin became too warm. The flight crew consulted the computer reset table and reset the cabin temperature zone controller computer, this however caused both air conditioning packs to go offline due to the closure of both flow control valves resulting in a loss of cabin pressure. The flight crew declared emergency, descended the aircraft to 14,000 feet and diverted to Goose Bay. Maintenance found no fault with the aircraft. The loss of cabin pressure was caused by the combination of an inflight unsafe door indication and the zone controller reset.
Incident Facts

Date of incident
Apr 16, 2017

Classification
Incident

Cause
Loss of cabin pressure

Airline
SAS Scandinavian Airlines

Flight number
SK-944

Departure
Chicago O'Hare, United States

Destination
Copenhagen, Denmark

Aircraft Registration
LN-RKP

Aircraft Type
Airbus A340-300

ICAO Type Designator
A343

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