Airworthiness Directive 90-25-07
one-timeAirworthiness Directives; D.C. This amendment (39-6788, AD 90-25-07) becomes effective on December 31, 1990. FOOTER: The Boeing Company 707-100 Long Body 70
Which aircraft AD 90-25-07 applies to
applicability read from the AD teaser — confirm exact model/serial from the records
Whether AD 90-25-07 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.