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Airworthiness Directive 2020-13-08

recurring
Official AD 2020-13-08 · FR doc 2020-14458 · 2020-07-07 · turbine engine

Airworthiness Directives; General Electric Company Turbofan Engines

What this AD requires

The FAA is superseding Airworthiness Directive (AD) 2005-23-09 for all General Electric Company (GE) CF6-80E1A1, -80E1A2, -80E1A3, - 80E1A4, and -80E1A4/B model turbofan engines. AD 2005-23-09 required initial and repetitive fluorescent-penetrant inspections (FPI) of certain areas of high-pressure compressor (HPC) cases, part number (P/ N) 1509M97G07 and P/N 2083M69G03. This AD requires an update of the Airworthiness Limitations Section (ALS) of GE Engine Manual GEK99376 and the operator's existing continuous airworthiness maintenance program (CAMP). This AD was prompted by GE performed an updated lifing analysis on the HPC case. As a result, GE found additional locations on the cases requiring FPI, revised the inspection interval for performing FPI of the existing location, and added an additional P/N HPC case that requires inspection. 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 2020-13-08 applies to

MakesGeneral Electric Company
ModelsCF6-80E1A1, CF6-80E1A2, CF6-80E1A3, CF6-80E1A4, CF6-80E1A4/B, CF6-80E1

Whether AD 2020-13-08 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 2020-13-08 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.