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Software bug can crash Boeing 787 Dreamliners

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787 Dreamliner

Washington :The US air safety authority has issued a warning and maintenance order over a software bug that causes a complete electric shutdown of Boeing’s 787, causing pilots to lose control of the aircraft.

The Federal Aviation Administration (FAA) warned that they are issuing this Airworthiness Directive (AD) to prevent loss of all AC electrical power, which could result in loss of control of the aeroplane, the Verge reported. The glitch, which revealed itself in laboratory tests, involves the Dreamliners’ electrical generators falling into a failsafe mode every 248 days or roughly eight months.

After that many days of continuous power usage, all four of the plane’s main generator control units will fail simultaneously. If that happens during a flight or during a takeoff or landing, the results could be disastrous. Fortunately, a temporary solution to the problem is simply to periodically shut down the power systems. According to Boeing’s records, all jets in the fleet have been powered off and turned back on as part of routine maintenance, so there is no imminent danger of a plane losing power. In the meantime, Boeing is working on a fix for the bug.