Airworthiness Directives; Goodyear Aviation Tires, Part Number 217K22-1, Installed on Various Transport Category Airplanes, Including But Not Limited to Bombardier Model BD-700-1A10 and BD-700-1A11 Airplanes; and Gulfstream Model G-1159, G-1159A, G-1159B, G-IV, GIV-X, GV, and GV-SP Series Airplanes

The FAA is adopting a new airworthiness directive (AD) for certain aviation tires installed on various transport category airplanes. This AD requires a one-time inspection of the nosewheel tires to determine if they are within a designated serial number range, and replacement if necessary. This AD results from reports of tread separations and tread-area bulges on the nosewheel tires. We are issuing this AD to prevent tread separation from a nosewheel tire during takeoff or landing, which could result in compromised nosewheel steering or ingestion of separated tread by an engine, and consequent reduced controllability of the airplane on the runway or in the air.