AD 2004-12-03
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
Failure of the main landing gear (MLG) to extend during use of the emergency backup system due to broken wires and corroded connectors in the MLG's separation bolt harness.
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Required Actions
Inspect the MLG's separation bolt harness for broken wires and corroded connectors, perform applicable corrective actions, and replace the separation bolt harnesses within specified times. For certain Saab SF340A series airplanes, also modify the MLG separation bolt's electrical harness.
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Compliance Time
Within 3 months for inspection and corrective actions; within 12 months for harness replacement.
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Affected Aircraft
Saab Model SAAB SF340A series airplanes with serial numbers 004 through 159 inclusive; and Model SAAB 340B series airplanes with serial numbers 160 through 459 inclusive, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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