AD 55-05-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Hamilton Standard Division | 43E | HAMILTON STANDARD Models 43E60 Propellers |
Unsafe Condition
The analysis of loadings and stresses in the Hamilton Standard 43E60/6903 propeller revealed a need to improve the strength characteristics of the propeller barrel assembly to preclude failures.
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Required Actions
Shotpeen the propeller barrel and spider in specified areas and replace the barrel bolts as specified in Hamilton Standard Service Bulletin No. 316 dated September 10, 1954.
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Compliance Time
At the earliest opportunity, but not later than the first overhaul subsequent to May 1, 1955
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Affected Aircraft
Hamilton Standard 43E60 Propellers with 6903 Blades installed on Lockheed 1049 Series Aircraft powered by Wright 972TC-18DA Series Engines.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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