Canada Rouge A319 near Toronto on May 25th 2017, limited flight controls

Last Update: June 16, 2017 / 23:16:28 GMT/Zulu time

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Incident Facts

Date of incident
May 25, 2017

Classification
Incident

Airline
Air Canada Rouge

Departure
Miami, United States

Destination
Toronto, Canada

Aircraft Registration
C-FYIY

Aircraft Type
Airbus A319

ICAO Type Designator
A319

An Air Canada Rouge Airbus A319-100, registration C-FYIY performing RV-1641 from Miami,FL (USA) to Toronto,ON (Canada) with 138 people on board, was enroute at FL350 nearing the top of descent when the aircraft encountered turbulence which resulted in the Fly By Wire reverting to Alternate Law. The crew, anticipating further degradation, declared PAN as a precaution and continued to Toronto for a safe landing.

The Canadian TSB reported the aircraft encountered moderate turbulence enroute at FL350. There were no injuries to passengers or cabin crew, the flight crew however received a "NAV ADR DISAGREE" ECAM message and the Fly by Wire reverted to Alternate Law. Following Landing maintenance downloaded the related data and determined, that for a short period of time the data of all three Air Data Reference (ADR) disagreed resulting in the NAV ADR DISAGREE message and reversion to Alternate Law. Maintenance replaced the #1 and #3 Angle of Attack sensors and replaced all three Air Data Units.

The occurrence aircraft had encountered two ADIRU (Air Data and Inertial Reference Unit) related occurrences in late 2016, see Incident: Canada Rouge A319 at Orlando on Oct 27th 2016, ADIRUritis and Incident: Canada Rouge A319 near Las Vegas on Nov 2nd 2016, ADIRUritis.
Incident Facts

Date of incident
May 25, 2017

Classification
Incident

Airline
Air Canada Rouge

Departure
Miami, United States

Destination
Toronto, Canada

Aircraft Registration
C-FYIY

Aircraft Type
Airbus A319

ICAO Type Designator
A319

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