Airworthiness Directive 75-24-13
one-timeAirworthiness Directives; Great Lakes Region. The manufacturer's specifications and procedures identified in this Directive are incorporated herein and made
Which aircraft AD 75-24-13 applies to
Reinforce main beam web between wing stations as described; inspection for fuel stains alone is insufficient to rule out a crack.
Whether AD 75-24-13 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.