AD 2005-04-04

final rule
Data completeness: 70%

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

AD Number
2005-04-04
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2004-19447
FR Citation
70 FR 7851

Applicability

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

Unsafe Condition

Disbonding of the elastomer from the inner metal core and shim of certain engine vibration isolators (mounts) has occurred within a few hundred hours of operation, causing heavy chafing of the engine support system and chafing of the fire sensor loop.

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

Required Actions

Perform a one-time inspection to determine the part and serial numbers of certain engine vibration mounts, and the cure dates of certain molded assemblies incorporated in those engine mounts. Conduct a general visual inspection for chafing of the nacelle structure and fire sensor loop. Take related corrective actions if necessary.

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

Compliance Time

Within 500 flight hours after the effective date of this AD.

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Affected Aircraft

All Saab Model SAAB SF340A and SAAB 340B series airplanes, 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 6, 2026

Rights: U.S. Government Public Domain

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