Incident to the Airbus A340 registered OO-ABB and operated by Air Belgium on 12/06/2018 en route [Investigation led by ANAC / Gabon]

Preliminary data based on the notification from the Gabonese authorities:

Importante fuite hydraulique en vol sur le trajet LFPG-FOOL

Translation below provided for information only:

Substantial hydraulic fluid leak in flight between LFPG-FOOL.

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General information
Local date	12/06/2018
Responsible entity	Gabon - AIB
State or area of occurrence	Gabon
Location	En croisière
Human consequences	None
Aircraft consequences	Unknown
Occurrence class	Incident
File number	BEA2018-0366

Flight Information
Aircraft category	Aeroplane - Large aeroplane
Operator	Belgium (Air belgium)
Manufacturer / Model	AIRBUS - A340
Aircraft Registration	OO-ABB
State of registry	Belgium
Last departure point	France - LFPG (CDG): Paris Charles-De-Gaulle
Planned destination	Gabon - FOOL (LBV): Libreville/Leon M'ba
Flight phase	En route
Serial number	844
Operator Type AG	Not applicable
Operation Type	Commercial Air Transport - Passenger - Airline

BEA is the French air safety investigation authority for civil aviation. The sole objective of the investigation is to improve air safety. It is intended neither to apportion blame nor to assess responsiblity.