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Airworthiness Directives; CFM International, S.A. Engines

Detected July 16, 2026 · in Aviation Maintenance & Airworthiness (FAA)

FAA supersedes AD 2025-21-03 for certain CFM LEAP-1A engines, requiring new inspections and possible corrective actions.

Aforeworn detected this change in the Aviation Maintenance & Airworthiness (FAA) space on July 16, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated High urgency. Operators of aircraft with CFM LEAP-1A23, LEAP-1A24, LEAP-1A24E1, LEAP-1A26, LEAP-1A26CJ, LEAP-1A26E1, LEAP-1A29, LEAP-1A29CJ 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: Compliance times vary; typically within 30-90 days from the effective date of the AD (July 10, 2026). Check the AD for specific deadlines.. 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

The FAA issued a new AD superseding AD 2025-21-03, adding new inspection requirements and compliance actions for certain CFM LEAP-1A engine models.

Who it affects

Operators of aircraft with CFM LEAP-1A23, LEAP-1A24, LEAP-1A24E1, LEAP-1A26, LEAP-1A26CJ, LEAP-1A26E1, LEAP-1A29, LEAP-1A29CJ engines, including Part 145 repair stations, Part 135/121 operators, flight schools, and corporate flight departments.

What you must do

Review the new AD and incorporate required inspections and corrective actions into maintenance programs within the compliance time specified in the AD.

Deadline

Compliance times vary; typically within 30-90 days from the effective date of the AD (July 10, 2026). Check the AD for specific deadlines.

Source: https://www.federalregister.gov/documents/2026/07/10/2026-13979/airworthiness-directives-cfm-international-sa-engines

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