Is AD 00-23999 a recurring Airworthiness Directive?

No — AD 00-23999 is a one-time directive. Verify it was complied with in the aircraft's records.

Which aircraft does AD 00-23999 apply to?

AD 00-23999 applies to Airbus — models A340. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 00-23999

one-time

AD 00-23999 · 2000-09-20 · airframe

Airworthiness Directives; Airbus Model A330 and A340 Series Airplanes

What this AD requires

This amendment adopts a new airworthiness directive (AD), applicable to certain Airbus Model A330 and A340 series airplanes. This action requires modifying the bottom skin panel 3 (located aft of the rear spar). This action is necessary to prevent corrosion and consequent reduced structural integrity of the wings due to lack of cold expansion of an existing drain hole, which could lead to cracks initiating from that drain hole; and the incorrect location of the drain hole, which can allow moisture to be trapped. This action is intended to address the identified unsafe condition.

Which aircraft AD 00-23999 applies to

MakesAirbus

ModelsA340

certain

Whether AD 00-23999 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 00-23999 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.