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Airworthiness Directive 79-18-08

one-time
AD 79-18-08 · 1979-01-01 · airframe

Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, DC-10-10F, and DC-10-40 Series Airplanes

Which aircraft AD 79-18-08 applies to

MakesMcdonnell Douglas
ModelsDC-10-10, DC-10-10F, DC-10-40, DC-10

Certificated in all categories; to prevent failure of the aft engine mount barrel nuts on No. 1, No. 2, and No. 3 engines; effective August 29, 1979.

Whether AD 79-18-08 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 79-18-08 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.

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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.