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Airworthiness Directive 2017-25-02

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Official AD 2017-25-02 · FR doc 2017-26191 · 2017-12-06 · airframe

Airworthiness Directives; Fokker Services B.V. Airplanes

What this AD requires

We are adopting a new airworthiness directive (AD) for certain Fokker Services B.V. Model F28 Mark 1000, 2000, 3000, and 4000 airplanes. This AD requires contacting the FAA to obtain instructions for addressing the unsafe condition on these products, and doing the actions specified in those instructions. This AD was prompted by reports indicating that certain exit signs have a hydrogen isotope that decays over time, causing the signs to lose their brightness. We are issuing this AD to address the unsafe condition on these products.

Which aircraft AD 2017-25-02 applies to

MakesFokker Services B.V.
ModelsF28 Mark 1000, F28 Mark 2000, F28 Mark 3000, F28 Mark 4000, F28
Serial-conditional — narrows to serials 11029–11029, 11030–11030, 11042–11042, 11006–11006, 11012–11012, 11016–11016, 11018–11018, 11020–11020, 11024–11024, 11027–11027, 11028–11028, 11032–11038, 11043–11049, 11053–11053, 11054–11054, 11061–11087, 11089–11113, 11115–11124, 11126–11132, 11134–11134, 11136–11202, 11204–11224, 11226–11235, 11237–11237, 11238–11238, 11240–11240, 11991–11991, 11992–11992.

Applies only to: (1) S/Ns 11029, 11030, and 11042 in pre-SBF28/33-13 Appendix V configuration; and (2) S/Ns 11006, 11012, 11016, 11018, 11020, 11024, 11027, 11028, 11032-11038, 11043-11049, 11053, 11054, 11061-11087, 11089-11113, 11115-11124, 11126-11132, 11134, 11136-11202, 11204-11224, 11226-11235, 11237, 11238, 11240, 11991, and 11992.

Whether AD 2017-25-02 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 2017-25-02 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.