EASA AD US-2020-06-19
Navigation - Angle of Attack Sensors - Inspection
Federal Register Volume 85, Number 96 (May 18, 2020) is a final rule airworthiness directive issued by the Federal Aviation Administration (FAA) addressing certain Boeing Model 727 series airplanes, including 727, 727C, 727-100, 727-100C, 727-200, and 727-200F. The directive targets angle of attack (AOA) sensors that may ice over, causing immobilization of the sensor vanes and resulting in nuisance stick shaker activation during climb to cruise speed.
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 727Boeing 727CBoeing 727-100Boeing 727-100CBoeing 727-200Boeing 727-200F