Porter DH8D at Toronto on Aug 3rd 2022, uncommanded yaw twice

Last Update: August 9, 2022 / 17:31:36 GMT/Zulu time

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Incident Facts

Date of incident
Aug 3, 2022

Classification
Incident

Flight number
PD-9806

Aircraft Registration
C-GLQG

ICAO Type Designator
DH8D

A Porter Airlines de Havilland Dash 8-400, registration C-GLQG performing flight PD-9806 from Newark,NJ (USA) to Toronto City,ON (Canada) with 2 crew, was descending through 10,000 feet towards Toronto's Billy Bishop Airport when the crew experienced an uncommanded yaw of the aircraft to the left. A short time later the aircraft experienced another uncommanded yaw to the left associated with a brief change of torque by about 15%, a warning light briefly illuminated. The crew levelled the aircraft at 4000 feet, worked the related checklists and shut the right hand engine down in accordance with the procedures. The crew declared emergency and diverted to Hamilton,ON (Canada) for a safe landing on runway 30 about 35 minutes after the onset of trouble.

The Canadian TSB reported the crew was unable to identify which warning light had illuminated due to the briefness of the activation. Maintenance replaced the #2 Propeller Electronic Controller (PEC).
Aircraft Registration Data
Registration mark
C-GLQG
Country of Registration
Canada
Date of Registration
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Certification Basis
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TCDS Ident. No.
Manufacturer
Dehavilland
Aircraft Model / Type
DHC-8-402
ICAO Aircraft Type
DH8D
Year of Manufacture
Serial Number
Aircraft Address / Mode S Code (HEX)
Maximum Take off Mass (MTOM) [kg]
Engine Count
Engine Type
Main Owner
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Aircraft registration data reproduced and distributed with the permission of the Government of Canada.

Incident Facts

Date of incident
Aug 3, 2022

Classification
Incident

Flight number
PD-9806

Aircraft Registration
C-GLQG

ICAO Type Designator
DH8D

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