Airworthiness Directive 63-15-02
one-timeAirworthiness Directives; service after the effective date of this AD. Because of instances of fatigue failure of the bolt, P/N 4W.1121, which attaches the
Which aircraft AD 63-15-02 applies to
Flap jack attachment shackle bolt fatigue failure; replacement per de Havilland Heron Modification No. 1498 (applicability read from the AD teaser — confirm exact model/serial from the records.)
Whether AD 63-15-02 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:
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.