Is AD 06-404 a recurring Airworthiness Directive?

Yes — AD 06-404 requires a repetitive inspection. Next-due depends on the aircraft's time in service.

Which aircraft does AD 06-404 apply to?

AD 06-404 applies to Mcdonnell Douglas — models DC-9-15, DC-9-30, DC-9-40, DC-9-82, DC-9-83, MD-90-30. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 06-404

recurring

AD 06-404 · 2006-01-18 · airframe

Airworthiness Directives; McDonnell Douglas Model DC-9-14, DC-9-15, and DC-9-15F Airplanes; Model DC-9-20, DC-9-30, DC-9-40, and DC-9-50 Series Airplanes; Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), and DC-9-87 (MD-87) Airplanes; Model MD-88 Airplanes; and Model MD-90-30 Airplanes

What this AD requires

This amendment adopts a new airworthiness directive (AD), applicable to certain McDonnell Douglas transport category airplanes, that requires an inspection of the upper lock link assembly of the nose landing gear (NLG) to determine the manufacturer, repetitive eddy current inspections for cracking, and modification or replacement if necessary. This AD also provides for optional terminating action for the repetitive inspections. The actions specified by this AD are intended to prevent fracture of the upper lock link assembly of the NLG, which could result in failure of the NLG to extend following a gear-down selection, and consequent gear-up landing, structural damage, and possible injury to passengers and crew. 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 06-404 applies to

MakesMcdonnell Douglas

ModelsDC-9-15, DC-9-30, DC-9-40, DC-9-82, DC-9-83, MD-90-30

certain

Whether AD 06-404 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 06-404 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.