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Airworthiness Directive 2018-24-01

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Official AD 2018-24-01 · FR doc 2019-01127 · 2019-02-08 · turbine engine

Airworthiness Directives; International Aero Engines Turbofan Engines

What this AD requires

We are adopting a new airworthiness directive (AD) for certain International Aero Engines (IAE) PW1100G-JM turbofan engine models with certain low-pressure turbine (LPT) 1st- and 3rd-stage disks installed. This AD was prompted by a report of manufacturing defects found on delivered LPT 1st- and 3rd-stage disks. This AD requires removing the LPT 1st- or 3rd-stage disk from service and replacing with a part eligible for installation. We are issuing this AD to address the unsafe condition on these products.

Which aircraft AD 2018-24-01 applies to

MakesInternational Aero Engines
ModelsPW1133G-JM, PW1133GA-JM, PW1130G-JM, PW1127G-JM, PW1127GA-JM, PW1127G1-JM, PW1124G-JM, PW1124G1-JM, PW1122G-JM, PW1100G

Applies to engines with a low-pressure turbine (LPT) 3rd-stage disk with a serial number listed in Figure 1 to paragraph (g) of this AD, or an LPT 1st-stage disk with a serial number listed in Figure 2 to paragraph (g) of this AD, installed (specific serial numbers not included in provided applicability text).

Whether AD 2018-24-01 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 2018-24-01 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.