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Airworthiness Directive 52-08-02

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AD 52-08-02 · 1952-01-01 · airframe

Airworthiness Directives; with wire reinforced ducting, or its equivalent. (Ryan Field Service Bulletin No. 16, dated February 12, 1952, covers this same su

Which aircraft AD 52-08-02 applies to

MakesRyan

Requires wire-reinforced ducting, or its equivalent, per Ryan Field Service Bulletin No. 16 dated February 12, 1952. This AD supersedes AD 51-19-03. Footer references Sierra Hotel (current type-certificate holder).

Whether AD 52-08-02 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 52-08-02 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.