AD 2006-12-19
Unsafe Condition
Propeller system actuator yoke arms breaking during flight.
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Required Actions
Replace all actuator yoke arms, part number 810436-2, with improved actuator yoke arms, part number 810436-3. Mark newly installed actuators using the Accomplishment Instructions of Hamilton Sundstrand Service Bulletin 14RF-19-61-113, Revision 1, dated September 2, 2003. After the effective date, do not install any actuator yoke arms, part number 810436-2, into any propeller assembly.
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Compliance Time
Within 60 days after the effective date of this AD.
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Affected Aircraft
Hamilton Sundstrand Model 14RF-19 propellers with propeller system actuator yoke arms, part number 810436-2, installed in actuator assemblies part number 790119-6. These propellers are installed on, but not limited to, SAAB 340 airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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