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Airworthiness Directive 04-20408

recurring
AD 04-20408 · 2004-09-14 · airframe

Airworthiness Directives; Airbus Model A300 B2 and B4 Series Airplanes; and Model A300 B4-601, B4-603, B4-605R, B4-620, B4-622R, C4-605R Variant F, and F4-605R Airplanes

What this AD requires

This amendment supersedes an existing airworthiness directive (AD), applicable to certain Airbus Model A300 B2 and B4 series airplanes, and Model A300 B4-601, B4-603, B4-605R, B4-620, B4-622R, C4- 605R Variant F, and F4-605R airplanes, that currently requires a one- time inspection for cracking of the gantry lower flanges in the main landing gear (MLG) bay area; and repair, if necessary. This amendment removes an airplane model from the applicability. This amendment, for certain airplanes, retains the one-time inspection for cracking of the gantry lower flanges and repair, if necessary. For other airplanes, this amendment adds repetitive inspections of the gantry lower flanges; repair, if necessary; and reinforcement of the left-hand and right-hand gantry. The actions specified by this AD are intended to detect and correct cracking of the gantry lower flanges in the MLG bay area, which could result in decompression of the airplane. This action is intended to address the identified unsafe condition.

Repetitive inspection. Re-inspect. The next-due date/hours depend on this aircraft’s time in service — a records report computes it from the logbooks.

Which aircraft AD 04-20408 applies to

MakesAirbus
ModelsB4-603, B4-605R, B4-620, B4-622R, F4-605R

certain

Whether AD 04-20408 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 04-20408 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 →Read the full directive (Federal Register)

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.