AD 2005-18-12
Unsafe Condition
Corrosion and mechanical damage in the blade bore and other critical propeller parts can cause failure of a propeller, which could result in loss of control of the airplane.
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Required Actions
Inspect the propeller blades and other critical propeller parts for corrosion and mechanical damage. Perform visual and nondestructive inspections of propeller components for cracks, corrosion or pits, nicks, scratches, wear, blade minimum dimensions, and damage in the blade balance hole. Repair and replace with serviceable parts as necessary.
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Compliance Time
Before further flight
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Affected Aircraft
Hartzell Propeller Inc. propellers with hub model series specified in Table 1 of the AD, installed on aircraft listed in Table 2 of the AD.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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