AD Amdt-39-9480

final rule
Data completeness: 70%

Airworthiness Directives; Saab Model SAAB SF340A and SAAB 340B Series Airplanes

AD Number
Amdt-39-9480
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 95-NM-260-AD
FR Citation
61 FR 511

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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