Airworthiness Directives; Israel Aircraft Industries, Ltd., Model 1124 and 1124A Westwind Airplanes

This amendment adopts a new airworthiness directive (AD) that is applicable to certain Israel Aircraft Industries, Ltd., Model 1124 and 1124A Westwind airplanes. This action requires a one-time X-ray inspection to detect missing rivets at the rib-to-spar connection of the aileron ribs, and corrective actions, if necessary. This action is necessary to prevent cracking of the aileron skin due to missing rivets, which could result in reduced structural integrity of the aileron and consequent reduced controllability of the airplane. This action is intended to address the identified unsafe condition.