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Airworthiness Directive 2025-24-51

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Official AD 2025-24-51 · FR doc 2025-24242 · 2026-01-05 · airframe

Airworthiness Directives; Airbus SAS Airplanes

What this AD requires

The FAA is adopting a new airworthiness directive (AD) for all Airbus SAS Model A319 and A320 series airplanes; and Model A321-211, - 212, -213, -231, -232, -251N, -252N, -253N, -251NX, -252NX, -253NX, - 271N, -272N, -271NX, and -272NX airplanes. This emergency AD was prompted by an uncommanded and limited pitch down event that occurred on an Airbus A320 airplane, where the autopilot remained engaged with a brief and limited loss of altitude. This emergency AD requires replacement or modification of each affected elevator aileron computer (ELAC). The emergency AD also prohibits the installation of affected parts on certain airplane configurations. The FAA previously sent an emergency AD to all known U.S. owners and operators of these airplanes. The FAA is issuing this emergency AD to address the unsafe condition on these products.

Which aircraft AD 2025-24-51 applies to

MakesAirbus
ModelsA319-111, A319-112, A319-113, A319-114, A319-115, A319-131, A319-132, A319-133, A319-151N, A319-153N, A319-171N, A319-173N, A320-211, A320-212, A320-214, A320-216, A320-231, A320-232, A320-233, A320-251N, A320-252N, A320-253N, A320-271N, A320-272N, A320-273N, A321-211, A321-212, A321-213, A321-231, A321-232, A321-251N, A321-252N, A321-253N, A321-251NX, A321-252NX, A321-253NX, A321-271N, A321-272N, A321-271NX, A321-272NX, A319, A320, A321

Emergency AD; applies to all listed Airbus SAS A319/A320/A321 airplane models, certificated in any category.

Whether AD 2025-24-51 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.

How AD compliance is recorded

A valid compliance record (14 CFR 43.9) states:

Method of compliance — The specific action taken (inspected, replaced, modified) and to what revision.
Date — When the work was done.
Aircraft time — Total time in service / tach at compliance — how recurring next-due is computed.
Signature & certificate — The A&P/IA who returned it to service, with certificate number.
Is AD 2025-24-51 complied with on your aircraft?

Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.

Look up a tail number →Read the full directive (Federal Register)

Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.