AD 2006-05-05
Unsafe Condition
Reports of stainless steel leading edge erosion sheaths separating from propeller blades and reports of propeller blades with damaged or missing polyurethane protective strips (PU-protection tape) due to insufficient inspection procedures in older MT-Propeller Entwicklung GmbH Operation & Installation Manuals.
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Required Actions
Overhaul all propeller blades of affected propellers within 30 days after the effective date. Perform initial and repetitive visual inspections of affected propeller blades. Remove from service propeller blades with damaged erosion sheath bonding or loose erosion sheaths and install any missing or damaged polyurethane protective strips.
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Compliance Time
Within 30 days after the effective date of the AD.
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Affected Aircraft
MT-Propeller Entwicklung GmbH propellers, models MT, MTV-1, MTV-2, MTV-3, MTV-5, MTV-6, MTV-7, MTV-9, MTV-10, MTV-11, MTV-12, MTV-14, MTV-15, MTV-17, MTV-18, MTV-20, MTV-21, MTV-22, MTV-24, and MTV-25 with serial numbers below 95000, which have not been overhauled since April 1994.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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