AD 82-27-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | McCauley Propeller Systems | 1A170 | McCAULEY ACCESSORY DIVISION Model 1A170/FFA Propellers |
Unsafe Condition
Propeller failure due to undetected cracks in the center relief bore, mounting bolt holes, or external surfaces of the propeller hub area.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect propeller hub area using dye penetrant methods after removing paint down to anodize surface. Replace propeller if cracks are found before further flight. Inspections required within next 10 hours time in service for propellers with 190+ hours since last inspection, and prior to 200 hours for others, repeated every 200 hours thereafter.
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Compliance Time
within the next 10 hours time in service and every 200 hours time in service thereafter (for propellers with 190+ hours) or prior to the accumulation of 200 hours time in service and every 200 hours thereafter (for those with less than 190 hours)
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Affected Aircraft
McCauley Accessory Division Model 1A170/FFA propellers installed on Gulfstream Aerospace Model AA-5B aircraft
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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