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Airworthiness Directive 2017-21-01

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Official AD 2017-21-01 · FR doc 2017-22564 · 2017-10-23 · airframe

Airworthiness Directives; Dassault Aviation Airplanes

What this AD requires

We are adopting a new airworthiness directive (AD) for all Dassault Aviation Model FAN JET FALCON, FAN JET FALCON SERIES C, D, E, F, and G; and Model MYSTERE-FALCON 20-C5, 20-D5, 20-E5, and 20-F5 airplanes. This AD was prompted by reports of defective fire extinguisher tubes. This AD requires replacement of the affected fire extinguisher tubes with improved fire extinguisher tubes. We are issuing this AD to address the unsafe condition on these products.

Which aircraft AD 2017-21-01 applies to

MakesDassault Aviation
ModelsFAN JET FALCON, FAN JET FALCON SERIES C, FAN JET FALCON SERIES D, FAN JET FALCON SERIES E, FAN JET FALCON SERIES F, FAN JET FALCON SERIES G, MYSTERE-FALCON 20-C5, MYSTERE-FALCON 20-D5, MYSTERE-FALCON 20-E5, MYSTERE-FALCON 20-F5, MYSTERE-FALCON 20

Applies to all manufacturer serial numbers of the listed models.

Whether AD 2017-21-01 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 2017-21-01 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.