Airworthiness Directive Issued for Air Tractor, Inc. Airplanes to Prevent Fatigue Cracks

Summary

The Federal Aviation Administration (FAA) has adopted a new airworthiness directive (AD) for Air Tractor, Inc. Models AT-501, AT-502, AT-502A, AT-502B, and AT-503A airplanes to prevent fatigue cracks in the wing lower spar cap, which could lead to wing separation.