AD Amdt-39-9480
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 auto-ignition system to re-light the engine following power interruptions due to ingestion of ice and/or slush into the engine, which could result in engine flameout and subsequent shutdown.
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Required Actions
Revise the Airplane Flight Manual (AFM) to require verification of auto-ignition system operability, define icing conditions at higher ambient temperatures, and provide flight crew limitations and procedures to avoid engine power interruptions.
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Compliance Time
Before further flight
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Affected Aircraft
Saab Model SAAB SF340A and SAAB 340B series airplanes with the auto-ignition system affected by the reported power loss and engine inlet ice/slush ingestion issues.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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