Airworthiness Directive 93-21-06
one-timeAD 93-21-06 · 1993-01-01 · airframe
Airworthiness Directives; the outer lug root radius and fore and aft surfaces, and around the hinge pin head and nut of the lugs, in accordance with the Acc
Which aircraft AD 93-21-06 applies to
MakesOuter Lug Root Radius And Fore And Aft Surfaces And Around Hinge Pin Head And Nut Of Lugs In Accordance With Accomplishment Instructions Of Iai Service Bulletin 1125- 55 Number 453005-503 With An Improved Splice Fitting Part Number 453005- 509 In Accordance With Procedures In Iai
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Whether AD 93-21-06 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:
Method of compliance — The specific action taken (inspected, replaced, modified) and to what revision.
Date — When the work was done.
Aircraft time — Total time in service / tach at compliance — how recurring next-due is computed.
Signature & certificate — The A&P/IA who returned it to service, with certificate number.
Is AD 93-21-06 complied with on your aircraft?
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.