Airworthiness Directive · Amendment 39-12569 · Hamilton Sundstrand Model 247F Propellers
Hamilton Sundstrand Model 247F Propellers
This airworthiness directive (AD) is applicable to Hamilton Sundstrand model 247F propellers. These propellers are installed on, but not limited to Aerospatiale ATR-72 and Xian MA-60 airplanes.
This amendment adopts a new airworthiness directive (AD) that is applicable to certain Hamilton Sundstrand model 247F propellers. This action requires a one-time rework of certain model 247F propellers by removing all four propeller blades from service, replacing those blades with serviceable propeller blades, and marking the propeller with a new part number. This amendment is prompted by nine reports of the blades partially slipping at the bond joint between the blade tulip and the composite blade airfoil interface. The actions specified in this AD are intended to prevent the loss of a propeller blade, which may result in loss of airplane control.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
Propellers
