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High urgency

Airworthiness Directives: Lycoming Engines

Detected August 26, 2026 · in Aviation Maintenance & Airworthiness (FAA)

The FAA has issued a new Airworthiness Directive (AD) for Lycoming Engines, requiring mandatory inspections and potential corrective actions. Operators must comply within the specified compliance time to maintain airworthiness.

Aforeworn detected this change in the Aviation Maintenance & Airworthiness (FAA) space on August 26, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated High urgency. Owners and operators of aircraft with Lycoming engines, including Part 145 repair stations, Part 135/121 operators, flight schools, and corporate flight departments. should confirm how it applies to their specific situation before acting. There is a time constraint attached: Not specified in the excerpt; refer to the AD for the compliance time.. Acting after that point can mean penalties, a lapsed licence, or lost eligibility — exactly the kind of surprise Aforeworn exists to prevent. Aforeworn monitors Aviation Maintenance & Airworthiness (FAA) continuously and turns every detected change into a plain-English briefing like this one, so you always know first. Forewarned is forearmed.

What changed

A new Airworthiness Directive (AD) has been issued for Lycoming Engines, introducing mandatory inspections and possible corrective actions. The specific requirements are not detailed in the excerpt.

Who it affects

Owners and operators of aircraft with Lycoming engines, including Part 145 repair stations, Part 135/121 operators, flight schools, and corporate flight departments.

What you must do

Review the full AD text to determine the exact inspection requirements, compliance time, and any necessary corrective actions. Schedule and perform the required inspections within the specified compliance time.

Deadline

Not specified in the excerpt; refer to the AD for the compliance time.

Source: https://www.federalregister.gov/public-inspection/2026-17584/airworthiness-directives-lycoming-engines

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