AD Amdt-39-10706
Unsafe Condition
Counterweight clamp bolt hole thread failure resulting in counterweight and propeller blade separation following impact with the counterweight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect propeller blade counterweight clamps for thread damage in the bolt holes. Replace unserviceable parts with serviceable ones.
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Compliance Time
Before further flight
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Affected Aircraft
Hartzell Propeller Inc. HC-E4A-3(A,I,J) series propellers.
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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