AD 66-23-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sensenich Propeller Manufacturing Company, Inc. | Fixed-Pitch Metal Propellers | SENSENICH All Fixed-Pitch Metal Propeller Models |
Unsafe Condition
Corrosion pits initiating fatigue cracks under water-soluble mid-blade decals.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove water-soluble mid-blade decals using paint remover, inspect mid-blade area with dye penetrant and at least three power magnification, sand and polish corrosive pits 0.015 inch deep or less, clean and reinspect, replace propellers with pits deeper than 0.015 inch or cracks.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 20 hours' time in service after the effective date of this AD, unless already accomplished
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
SENSENICH Fixed-Pitch Metal Propeller Models with water-soluble mid-blade decals
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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