Canada E190 near Winnipeg on Jun 19th 2017, frozen automation

Last Update: June 29, 2017 / 21:11:47 GMT/Zulu time

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Incident Facts

Date of incident
Jun 19, 2017

Classification
Incident

Airline
Air Canada

Flight number
AC-271

Destination
Winnipeg, Canada

Aircraft Registration
C-FMZW

Aircraft Type
Embraer ERJ-190

ICAO Type Designator
E190

An Air Canada Embraer ERJ-190, registration C-FMZW performing flight AC-271 (Dep Jun 18th) from Toronto,ON to Winnipeg,MB (Canada) with 89 people on board, was descending towards Winnipeg about 60nm east of Winnipeg when the crew received failure messages for autopilot and autothrottle, both flight management and guidance systems ceased functioning though remaining powered, airspeed indications on both primary flight displays were lost and the yaw damper became inoperative. The crew declared PAN PAN PAN, initiated the AVNX MAU 3A FAIL checklist and consulted with dispatch and maintenance. The crew managed to reset both flight management and guidance computers and to reengage autopilot, autothrottle and yaw damper, carried out an ILS approach to Winnipeg's runway 36 and landed safely.

The Canadian TSB reported maintenance replaced a modular avionics unit's (MAU3) network interface card and inspected the aircraft. A service difficulty report was filed.
Incident Facts

Date of incident
Jun 19, 2017

Classification
Incident

Airline
Air Canada

Flight number
AC-271

Destination
Winnipeg, Canada

Aircraft Registration
C-FMZW

Aircraft Type
Embraer ERJ-190

ICAO Type Designator
E190

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