Is AD 2020-03-13 a recurring Airworthiness Directive?

Yes — AD 2020-03-13 requires a repetitive inspection every 10 hours. Next-due depends on the aircraft's time in service.

Which aircraft does AD 2020-03-13 apply to?

AD 2020-03-13 applies to Leonardo S.P.A. — models AW189. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 2020-03-13

recurring

Official AD 2020-03-13 · FR doc 2020-03840 · 2020-02-26 · airframe

Airworthiness Directives; Leonardo S.p.A. Helicopters

What this AD requires

The FAA is adopting a new airworthiness directive (AD) for Leonardo S.p.A. Model AW189 helicopters. This AD requires inspecting the hydraulic fluid level on each tail rotor (T/R) damper and depending on the inspection results, removing the T/R damper from service and reporting information or repetitively inspecting the T/R damper. This AD is prompted by reports of major leakage of hydraulic fluid in T/R dampers. This condition could result in degradation of T/R damper performance; multiple leaking T/R dampers could result in T/R damage and subsequent loss control of the helicopter. The actions of this AD are intended to address an unsafe condition on these products.

Repetitive inspection. Re-inspect every 10 hours. The next-due date/hours depend on this aircraft’s time in service — a records report computes it from the logbooks.

Which aircraft AD 2020-03-13 applies to

MakesLeonardo S.P.A.

ModelsAW189

Serial-conditional — narrows to serials ?–LK1229.

Part-conditional — 4F6420V00254.

Applies to helicopters with tail rotor (T/R) damper P/N 4F6420V00254, S/N up to LK1229 inclusive, installed, except: (1) any T/R damper marked with a final dash 'R' on the S/N, or (2) any T/R damper with 150 or more hours time-in-service installed for 12 or more consecutive months. The serial range refers to the T/R damper, not the helicopter.

Whether AD 2020-03-13 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 2020-03-13 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.