Federal Aviation Administration (FAA) (Washington) has issued this airworthiness directive (AD) for certain Boeing 747-8 and 747-8F series aircraft. The FAA estimates there are eight aircraft impacted on the U.S. registry.
According to Boeing, all of the costs of this AD may be covered under warranty, thereby reducing the cost impact on affected individuals.
Here is the statement:
We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 747-8 and 747-8F series airplanes. This AD was prompted by an analysis, which indicated that in a limited flight envelope with specific conditions, divergent flutter could occur during a high g-load maneuver in combination with certain system failures. This AD requires replacing the lateral control electronic (LCE) modules, replacing the inboard elevator power control packages (PCPs), installing new external compensators for the PCPs, and revising the maintenance or inspection program. We are issuing this AD to prevent certain system failures from resulting in divergent flutter, and subsequent loss of continued safe flight and landing.
Read the full AD: CLICK HERE
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