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A software bug in A350-900s requires system reboot every 149 hours

Cologne, Germany - It is reported that some of the Airbus A350-900s that are currently in service require a hard reboot every 149 hours due to a software bug.

The problem remains despite an airworthiness directive published by the European Aviation Safety Agency (EASA) in 2017.

According to the Agency, the A350 operators reboot the flight control systems after 149 hours of operation to avoid system failure.

EASA now issued a new airworthiness directive for the problem, which will be effective from July 26.

The revised AD excludes the A350-900s that were pre-loaded with the updated software during the production phase.

Boeing had suffered from a similar problem with its 787 Dreamliners in 2015. The generators of Dreamliners were shutting themselves down after 248 days of perpetual operation due to a software bug causing memory overflow.

According to the EASA's updated AD, the solution for the affected A350-900s is to install the Airbus's fixed software and reboot the system.