Business · 30/06/1997

Boeing Issues Airworthiness Directive for 737-100, -200, -300, -400, and -500 Series Airplanes

The Federal Aviation Administration (FAA) has issued an airworthiness directive (AD) requiring the replacement of the main rudder power control unit (PCU) and vernier control rod bolts on certain Boeing Model 737 series airplanes to prevent fracturing of the bolts and uncommanded rudder movements.