Airworthiness Directive 93-24-09
one-timeAirworthiness Directives; the effective date of this AD, accomplish paragraphs (b)(1) and (b)(2) of this AD. (1) Replace the currently-installed Cutler Hamm
Which aircraft AD 93-24-09 applies to
Replaces Cutler Hammer contactor type SM15-CK-A6/A8 with Leach contactor type HA1F per British Aerospace service documentation (applicability read from the AD teaser — confirm exact model/serial from the records.)
Whether AD 93-24-09 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.