Cityjet CRJ9 near Billund on Aug 30th 2017, cabin did not pressurize

Last Update: September 3, 2017 / 16:39:50 GMT/Zulu time

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Incident Facts

Date of incident
Aug 30, 2017

Classification
Incident

Airline
Cityjet

Flight number
SK-1480

Aircraft Registration
EI-FPE

ICAO Type Designator
CRJ9

A Cityjet Canadair CRJ-900 on behalf of SAS, registration EI-FPE performing flight SK-1480 from Billund (Denmark) to Stockholm (Sweden) with 55 passengers and 4 crew, was climbing out of Billund when at about FL190 the crew initiated an emergency descent to 9000 feet due to the loss of cabin pressure, the passenger oxygen masks were deployed. The aircraft climbed to FL100 subsequently and continued to Stockholm for a safe landing about one hour after stopping the climb at FL190.

A passenger reported there was a sudden rush of cold air and the cabin became "cloudy". The oxygen masks came down.

The airline reported the crew noticed the cabin pressure could not be maintained and became too low. The crew therefore descended the aircraft and released the oxygen masks.

The occurrence aircraft remained on the ground in Stockholm for about 106 hours after landing, then returned to service.

On Sep 3rd 2017 The Aviation Herald learned that the aircraft had been dispatched with the left hand air conditioning pack inoperative under minimum equipment list requirements with the RAM Air Shut Off Valve in the open position. However, due to an error in the transcription in the relevant MEL procedure the flight crew was required to activate the "EMER DEPRESS" as part of the MEL items permitting maximum flight level 250. This "EMER DEPRESS" item however was meant only to be taken in case of both packs being inoperative. The MEL procedures were corrected.
Incident Facts

Date of incident
Aug 30, 2017

Classification
Incident

Airline
Cityjet

Flight number
SK-1480

Aircraft Registration
EI-FPE

ICAO Type Designator
CRJ9

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