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Airworthiness Directive 2018-22-05

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Official AD 2018-22-05 · FR doc 2018-24386 · 2018-11-08 · turbine engine

Airworthiness Directives; Engine Alliance Turbofan Engines

What this AD requires

We are adopting a new airworthiness directive (AD) for all Engine Alliance (EA) GP7270, GP7272, and GP7277 turbofan engines with a certain high-pressure turbine (HPT) case installed. This AD requires removal of affected HPT stator cases (HPT cases) from service and their replacement with a part eligible for installation. This AD was prompted by the discovery of a quality escape at a manufacturing facility involving unapproved welds on HPT cases. We are issuing this AD to address the unsafe condition on these products.

Which aircraft AD 2018-22-05 applies to

MakesEngine Alliance
ModelsGP7270, GP7272, GP7277, GP7000
Part-conditional — 2060M40G02, 2137M29G01.

Applies only to engines with HPT stator case P/N 2060M40G02 or 2137M29G01 installed, with an HPT case serial number listed in EA ASB EAGP7-A72-401 (dated August 23, 2018) Table 1 or EA SB EAGP7-72-399 (dated June 4, 2018) Table 1 (specific serial numbers not included in provided applicability text).

Whether AD 2018-22-05 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 2018-22-05 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.