Provincial DH8C at Wabush on Oct 26th 2016, the micro fault

Last Update: November 2, 2016 / 20:34:51 GMT/Zulu time

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Incident Facts

Date of incident
Oct 26, 2016

Classification
Incident

Flight number
PB-922

Aircraft Registration
C-GYCV

ICAO Type Designator
DH8C

A Provincial Airlines de Havilland Dash 8-300, registration C-GYCV performing flight PB-922 from Wabush,NL to Goose Bay,NL (Canada), departed runway 18 when shortly after becoming airborne the crew observed fluctuations of engine torque and propeller speed on the right hand engine (PW123), which persisted even after engine power had been reduced. The crew shut the engine down and returned to Wabush for a safe landing.

The Canadian TSB reported maintenance replaced the right hand electronic control unit (ECU) following troubleshooting. The following day the aircraft performed a testflight PB-999 from Wabush to Wabush. During initial climb the same torque and propeller speed fluctuations were observed as on the day before. The engine was again shut down, the aircraft landed safely back. Following further examination maintenance replaced a faulty power lever micro switch.
Incident Facts

Date of incident
Oct 26, 2016

Classification
Incident

Flight number
PB-922

Aircraft Registration
C-GYCV

ICAO Type Designator
DH8C

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