Airworthiness Directive 84-09-06
one-timeAirworthiness 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
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:
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.
Look up a tail number →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.