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FAA Orders Boeing 787 Slat Actuator Replacement

October 12, 2026

2 min read

Key Takeaways

The FAA issued a new airworthiness directive for Boeing 787 aircraft.
The directive requires replacing specific leading-edge slat actuators.
Estimated replacement cost is $32,375 per aircraft.
The rule affects 174 US-registered aircraft.

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Strategic Implications

This directive may indicate the FAA's increased focus on addressing potential safety risks in commercial aircraft. The requirement for actuator replacement suggests a proactive approach to preventing unsafe conditions, which could impact Boeing's maintenance and support costs, and may influence the company's future design and manufacturing processes.

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What Happened

New Airworthiness Directive Affects 174 US-Registered Aircraft

The US Federal Aviation Administration has issued a new airworthiness directive requiring Boeing 787 operators to replace specific leading-edge slat actuators and update their maintenance procedures. The directive, which affects 174 US-registered aircraft, aims to prevent a potentially unsafe slat position from going undetected during flight. The estimated replacement cost is $32,375 per aircraft, with a total estimated cost of $5.63 million across all affected aircraft. This development was first reported by Aviation A2Z.

Source | Originally Published: October 12, 2026

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