AD Amdt-39-9973
Unsafe Condition
Propeller separation due to hub fatigue cracking
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform initial dye penetrant inspection for cracks in the propeller hub, replace propellers with cracks exceeding acceptable limits, rework those within limits, and conduct repetitive inspections.
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Compliance Time
Before further flight
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Affected Aircraft
McCauley Propeller Systems 1A103/TCM series propellers
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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