Is AD 2021-23-05 a recurring Airworthiness Directive?

Yes — AD 2021-23-05 requires a repetitive inspection. Next-due depends on the aircraft's time in service.

Airworthiness Directive 2021-23-05

Q: Which aircraft does AD 2021-23-05 apply to?

AD 2021-23-05 applies to Airbus — models A319-171N, A320-271N, A320-272N, A320-273N, A321-271N, A321-272N, A321-271NX, A321-272NX. Serial/part conditions may narrow it to specific aircraft.

recurring

Official AD 2021-23-05 · FR doc 2021-24447 · 2021-11-08 · airframe

Airworthiness Directives; Airbus SAS Airplanes

What this AD requires

The FAA is superseding Airworthiness Directive (AD) 2021-18- 08, which applied to all Airbus SAS Model A319-171N airplanes; Model A320-271N, -272N, and -273N airplanes; and Model A321-271N, -272N, - 271NX, and -272NX airplanes. AD 2021-18-08 required repetitive inspections of the pylon/engine interface rods for damage, and applicable corrective actions, as specified in European Union Aviation Safety Agency (EASA) AD 2021-0177. AD 2021-18-08 also provided for limited installation of affected parts under certain conditions. Since the FAA issued AD 2021-18-08, operators reported that the requirements of EASA AD 2021-0177 were unclear. This AD retains the requirements of AD 2021-18-08, with clarified instructions, as specified in an EASA AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.

Repetitive inspection. Re-inspect. The next-due date/hours depend on this aircraft’s time in service — a records report computes it from the logbooks.

Which aircraft AD 2021-23-05 applies to

MakesAirbus

ModelsA319-171N, A320-271N, A320-272N, A320-273N, A321-271N, A321-272N, A321-271NX, A321-272NX, A319, A320, A321

Whether AD 2021-23-05 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 2021-23-05 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.