Airworthiness Directive 84-09-06

one-time
AD 84-09-06 · 1984-01-01 · airframe

Airworthiness Directives; /N C2CF843A (single control column) and C2CF1977AND (dual control column), repair the above-noted assembly prior to further flight

Which aircraft AD 84-09-06 applies to

MakesDe Havilland
ModelsDHC-2 MK.I, DHC-2 MK.II Beaver, DHC-2 MK.III Turbo Beaver, DHC-2
Part-conditionalC2CF843A, C2CF1977.

Inspect/repair control column assembly (single control column P/N C2CF843A; dual control column P/N C2CF1977) per Service Bulletin No. 2/28 Revision B; if cracks longer than 0.5 inch are found, replace the assembly prior to further flight.

Whether AD 84-09-06 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 84-09-06 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.