AD 2002-15-03
Unsafe Condition
Corrosion-induced fatigue in propeller blades, part numbers R815505-2 and R815505-3, with serial numbers FR1698 or lower, could lead to blade separation and potential loss of airplane control.
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Required Actions
Replace propeller blades with serial numbers FR1698 or lower before further flight. Perform initial and repetitive ultrasonic shear wave inspections of the blade tulip on installed blades with serial numbers FR1698 or lower until they are replaced. Prohibit installation of blades with serial numbers FR428 or lower, previously installed on ATR-42-400 or ATR-72 airplanes, on any other airplane.
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Compliance Time
Before further flight
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Affected Aircraft
Hamilton Sundstrand Corporation (formerly Hamilton Standard Division) model 568F-1 propellers, part numbers R815505-2 and R815505-3, with serial numbers FR1698 or lower.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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