Westjet Encore DH8D at Terrace on Sep 28th 2021, hot duct warning for both cockpit and cabin

Last Update: October 26, 2021 / 19:13:13 GMT/Zulu time

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Incident Facts

Date of incident
Sep 28, 2021

Classification
Incident

Airline
Westjet Encore

Flight number
WS-3448

Departure
Terrace, Canada

Destination
Vancouver, Canada

Aircraft Registration
C-GJWE

Aircraft Type
De Havilland Dash 8 (400)

ICAO Type Designator
DH8D

A Westjet Encore de Havilland Dash 8-400, registration C-GJWE performing flight WS-3448 from Terrace,BC to Vancouver,BC (Canada) with 10 passengers and 4 crew, was in the initial climb out of Terrace when the crew received a hot duct warning for both cockpit and cabin. The crew referred to the checklists for a single hot duct warning while continuing to climb. At FL240 the crew received a master caution for cabin altitude, donned their oxygen masks, declared emergency and initiated a rapid descent. The aircraft returned to Terrace for a safe landing.

The Canadian TSB reported maintenance replaced the compressor discharge overtemperature switch, checked the blow out panels and performed operational checks. A service difficulty report regarding the compressor discharge overtemperature switch was filed.

The Canadian TSB further annotated that the checklists did not contain any procedure for hot ducts warnings in both cockpit and cabin departments.
Aircraft Registration Data
Registration mark
C-GJWE
Country of Registration
Canada
Date of Registration
BhqbdhgbcAbfciidg Subscribe to unlock
Certification Basis
AAlimnbdiegdgdjicmppnclfhdgqdgAdkndqnpjfljifgq Subscribe to unlock
TCDS Ident. No.
Q fA Subscribe to unlock
Manufacturer
Dehavilland
Aircraft Model / Type
DHC-8-402
ICAO Aircraft Type
DH8D
Year of Manufacture
dmk Subscribe to unlock
Serial Number
Dhg Subscribe to unlock
Aircraft Address / Mode S Code (HEX)
Khgfgc Subscribe to unlock
Maximum Take off Mass (MTOM) [kg]
D eel Subscribe to unlock
Engine Count
G Subscribe to unlock
Engine Type
Dpibipeqek Subscribe to unlock
Main Owner
hAp dkAmikhpiiqkA AfAqjjpmcjdinbcpcpcgbb gpqq djqqchnqkkgAAn qqd ienhfkm Subscribe to unlock

Aircraft registration data reproduced and distributed with the permission of the Government of Canada.

Incident Facts

Date of incident
Sep 28, 2021

Classification
Incident

Airline
Westjet Encore

Flight number
WS-3448

Departure
Terrace, Canada

Destination
Vancouver, Canada

Aircraft Registration
C-GJWE

Aircraft Type
De Havilland Dash 8 (400)

ICAO Type Designator
DH8D

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