AD 2009-06-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; 328 Support Services GmbH Dornier Model 328-100 Airplanes |
Unsafe Condition
Parts of the MLG (main landing gear) main body and trailing arm bushings have been found corroded. Investigation showed that over time, these bushings can migrate, creating the risk of corrosion in adjacent areas. Such corrosion, if not detected, could cause damage to the MLG, possibly resulting in MLG functional problems or failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the MLG bushings for corrosion and migration. Replace the bushings if they exceed the revised mandatory retrofit limitation of 15,000 flight cycles or 6 calendar years time-in-service, whichever occurs first. Ensure that bushings installed after Dornier Service Bulletin SB-328-32-245, Revision 2, dated November 21, 2007, and Messier-Dowty Service Bulletin 800-32-014, Revision 1, dated July 19, 1999, are not subject to additional replacement requirements unless records verify otherwise.
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Compliance Time
Within 12 months of the effective date (April 28, 2009)
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Affected Aircraft
328 Support Services GmbH Dornier Model 328-100 airplanes, all serial numbers, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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