Transport i lotnictwo · 15/09/1995
Boeing Issues Revised Airworthiness Directive for Model 727 Series Airplanes
The Federal Aviation Administration (FAA) has revised an earlier proposed airworthiness directive (AD) for Boeing Model 727 series airplanes to add new inspections and a terminating modification to prevent cracking in the elevator rear spar assembly, which could lead to excessive free play of the elevator control tab and possible tab flutter.