AD 2004-02-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | McDonnell Douglas | DC-10-10 | Airworthiness Directives; McDonnell Douglas Model DC-10-10, DC-10-10F, DC-10-15, DC-10-30, DC-10-30F, DC-10-30F (KC-10A- and KDC-10), DC-10-40, DC-10-40F, MD-10-10F, and MD-10-30F Airplanes; and Model MD-11 and MD-11F Airplanes |
Unsafe Condition
Cracking in the nuts on the lower attach bolt assemblies of the forward attach bracket of the inboard flap outboard hinge could lead to separation of the inboard flap outboard hinge from the wing structure, resulting in reduced controllability of the airplane.
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Required Actions
Inspect for cracking in the nuts on the lower attach bolt assemblies of the forward attach bracket of the inboard flap outboard hinge. Replace both upper and lower attach bolt assemblies with new bolts and nuts made from Inconel material. Replace certain preload-indicating (PLI) washers with new washers. For certain other airplanes, replace the lower attach bolt assemblies of the inboard forward attach bracket of the inboard flap outboard hinge with new bolts and nuts made from Inconel material, and replace PLI washers with new washers.
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Compliance Time
Before further flight
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Affected Aircraft
McDonnell Douglas Model DC-10-10, DC-10-10F, DC-10-15, DC-10-30, DC-10-30F, DC-10-30F (KC-10A- and KDC-10), DC-10-40, DC-10-40F, MD-10-10F, MD-10-30F, MD-11, and MD-11F airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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