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.