HARTZELL Model HC-E4A-3 (A,I) propellers
HARTZELL Model HC-E4A-3 (A,I) propellers (Docket No. 97-ANE-35-AD; Amdt. 39-10289; AD 98-02-07) - requires replacement of the propeller blade counterweight clamp bolts with improved bolts. This amendment is prompted by reports of a manufacturing defect in the counterweight clamp bolts that resulted...
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