AD Amdt-39-11031
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
Excessive engine vibration could lead to damage of the nacelle structure, reduced structural integrity, and compromised fire shielding capability. Additionally, it could cause chafing of the fire sensor loop, resulting in a nuisance fire warning and precautionary engine shutdown.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Review the airplane maintenance records to identify the bottom engine vibration isolator. Inspect the aft engine vibration isolator to determine if the deflection is within limits. Perform various follow-on actions as specified in the AD.
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.
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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