AD 2000-12-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab | SAAB SF340A and SAAB 340B | Airworthiness Directives; Saab Model SAAB SF340A and SAAB 340B Series Airplanes |
Unsafe Condition
Corrosion and scratches on the bearing housing surfaces of the support assembly on the main landing gear (MLG) could result in fatigue cracks in the support assembly and lead to failure of the MLG.
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Required Actions
Perform a one-time general visual inspection of the eight bearing housing surfaces of the MLG to detect corrosion or scratches, in accordance with Saab Service Bulletin 340-57-036. Take corrective actions if necessary, including repair of the MLG support assembly or reinstallation of the bearings, depending on the depth and extent of damage found.
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Compliance Time
Within 4,000 flight cycles after the effective date for airplanes with 32,000 or more total flight cycles; within 6,000 flight cycles after the effective date for airplanes with 24,000 or more and fewer than 32,000 total flight cycles; prior to the accumulation of 24,000 total flight cycles or within 6,000 flight cycles after the effective date for airplanes with 12,000 or more and fewer than 24,000 total flight cycles; and within 12 months of the effective date for airplanes with fewer than 12,000 total flight cycles.
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Affected Aircraft
Saab Model SAAB SF340A, serial numbers -004 through -159 inclusive; and SAAB 340B series airplanes, serial numbers -160 through -444 inclusive, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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