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Airworthiness Directive 74-04-02

one-time
AD 74-04-02 · 1974-01-01 · airframe

Airworthiness Directives; 15, 1974. Amendment 39-1994 became effective October 23, 1974. This amendment 39-2352 becomes effective September 2, 1975. FOOTER:

Which aircraft AD 74-04-02 applies to

MakesThe Boeing Company
ModelsDC-8-11, DC-8-12, DC-8-21, DC-8-31, DC-8-32, DC-8-33, DC-8-41, DC-8-42, DC-8-43, DC-8-51, DC-8-52, DC-8-53, DC-8-55, DC-8F-55, DC-8, DC-8F

Applicability read from the AD teaser — confirm exact model/serial from the records.

Whether AD 74-04-02 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 74-04-02 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.

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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.