AD 60-17-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pacific Propeller, Inc. | A6441FN-606 | AERO PRODUCTS A6441FN-606 Propeller |
Unsafe Condition
Thrust member thickness not meeting prescribed standards may lead to propeller roughness and/or failures.
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Required Actions
Determine thrust member thickness per Allison Propeller Bulletin 63-127 by November 1, 1960. Remove blades not meeting thickness standards from service prior to further flight. Classify blades aerodynamically per Allison Propeller Bulletin 63-125 concurrently.
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Compliance Time
Not later than November 1, 1960
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Affected Aircraft
Pacific Propeller, Inc. A6441FN-606 Propeller installed on Lockheed 188 Series Aircraft
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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