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Airworthiness Directive 2017-23-06

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Official AD 2017-23-06 · FR doc 2017-24700 · 2017-11-15 · turbine engine

Airworthiness Directives; General Electric Company Turbofan Engines

What this AD requires

We are adopting a new airworthiness directive (AD) for certain General Electric Company (GE) CF34-8C1, CF34-8C5, CF34-8C5A1, and CF34- 8C5B1 engines. This AD requires an inspection of the bleed air manifold link rod assemblies and the supply, return, and drain fuel fittings on the operability bleed valve (OBV). This AD was prompted by an engine fire that occurred as a result of malfunctions related to the OBV. We are issuing this AD to address the unsafe condition on these products.

Which aircraft AD 2017-23-06 applies to

MakesGeneral Electric Company
ModelsCF34-8C1, CF34-8C5, CF34-8C5A1, CF34-8C5B1, CF34-8C
Serial-conditional — narrows to serials 965101–965670, 194101–194999, 195101–195653.

Whether AD 2017-23-06 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 2017-23-06 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.