AD 2007-17-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A321 | Airworthiness Directives; Airbus Model A321 Series Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Airbus Model A321 Series Airplanes |
Unsafe Condition
Some operators have reported wheel corrosion, mainly under the heat-shield overlap area. In some cases a circular crack initiated from a corrosion pit. When the crack is initiated under the bead seat, it does not lead to tire pressure loss, and can cause a flange separation as experienced by few operators.
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Required Actions
Inspect the MLG wheel assembly for discrepancies (corrosion, damage, cracks, and loose or missing heat shield spacers) in accordance with the instructions of Messier-Bugatti Special Inspection Service Bulletin C20452-32-3254, Revision 2, dated September 5, 2006. If any discrepancy is found, repair the MLG wheel assembly before further flight.
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Compliance Time
Within 6 months after the effective date of this AD
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Affected Aircraft
Airbus Model A321 series airplanes; all certified models; certificated in any category; equipped with Messier-Goodrich S.A. or Goodrich-Messier Inc., main landing gear (MLG) wheel assemblies having part number (P/N) C20500000 or P/N C20452000.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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