Airworthiness Directive 75-07-04

one-time
AD 75-07-04 · 1975-01-01 · airframe

Airworthiness Directives; The directive requires an inspection prior to further flight, unless already accomplished, and is effective immediately upon recei

Which aircraft AD 75-07-04 applies to

MakesGrumman
Part-conditional601031-501.

Possible missing welds in rudder control bar assemblies P/N 601031-501 located inside the forward portion of the fuselage; inspect before further flight, unless already accomplished. Effective immediately upon receipt. Special flight permit per FAR 21.197 may be issued after accomplishment of paragraph 1 to allow repairs.

Whether AD 75-07-04 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 complianceThe specific action taken (inspected, replaced, modified) and to what revision.
DateWhen the work was done.
Aircraft timeTotal time in service / tach at compliance — how recurring next-due is computed.
Signature & certificateThe A&P/IA who returned it to service, with certificate number.
Is AD 75-07-04 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.