AD Amdt-39-9713
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
The means of protection against the selection of the ``beta'' range of propeller operation during flight has been reduced on certain modified control quadrants. Power levers on the control quadrant have been moved aft of the flight idle position during flight due to improper usage of the mechanical beta stop.
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Required Actions
Install a mechanical flight idle stop on the control quadrant of the flight compartment. Revise the Airplane Flight Manual to ensure use of certain operating procedures after installation. Provide an optional terminating action for the AD requirements.
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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 certain modified control quadrants.
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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