Airworthiness Directive · Amendment 39-8924 · BAE Systems (Operations) Limited Airplanes
BAE Systems (Operations) Limited Airplanes
This AD applies to BAE Systems (Operations) Limited Jetstream Model 4101.
The models as the FAA's AD index lists them. The serial ranges, installed parts and exceptions are in the AD itself: read it at the FAA.
This amendment adopts a new airworthiness directive (AD), applicable to certain Jetstream Model 4101 airplanes, that requires modification of the aileron drive quadrant support structure. This amendment is prompted by results of a stress analysis check, which revealed that the factor of safety of the aileron drive quadrant support structure on Model 4101 airplanes does not meet the tail-to-wind gust load design case strength requirements specified in the Federal Aviation Regulations. The actions specified by this AD are intended to prevent cracking of the support structure, which could result in reduced controllability of the airplane.
