FAA: “Wheels and braking systems issues on Boeing’s 787 Dreamliner”

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The U.S. Federal Aviation Administration (FAA) today (6 June) issued an airworthiness directive (AD) after issues of wheels and braking systems on certain Boeing 787-8 and 787-9 “Dreamliner” aircraft. Less than 100 aircraft are affected by the flaw, costing an estimate of $5 million in repairs.

The AD addresses unsafe conditions that certain areas in the tire/wheel threat zones could be susceptible to damage, which could result in “loss of braking on one main landing gear (MLG) truck, loss of nose wheel steering, and loss of directional control on the ground when below rudder effectiveness speed“.

This AD requires installing hydraulic tubing, a pressure-operated check valve, and new flight control software. The FAA estimates that this AD affects 87 airplanes of U.S. registry, costing around $5 million in repairs.

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