Airworthiness Directive 92-20-03
one-timeAirworthiness Directives; action is necessary. (c) If any corrosion is found on the MLG support brackets, rear spar sections, and inboard flap hinge arms, p
Which aircraft AD 92-20-03 applies to
If corrosion is found on the MLG support brackets, rear spar sections, or inboard flap hinge arms, replace any corroded parts before further flight; repair per Structural Repair Manual (SRM) Chapter 51-10 if within limits, or replace/repair per approved data if beyond SRM limits.
Whether AD 92-20-03 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.