Airworthiness Directive 72-06-01
one-timeAirworthiness Directives; Bulletin No. 57-A-PM 4621, Issue 2, dated July 27, 1970 or an FAA-approved equivalent as follows: (i) On the inboard (No. 1) flap
Which aircraft AD 72-06-01 applies to
Flap section spigot replacement per British Aircraft Corporation Model BAC 1-11 Alert Service Bulletin No. 57-A-PM 4621 (applicability read from the AD teaser — confirm exact model/serial from the records.)
Whether AD 72-06-01 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.