What was found
ON TAXI OUT, PILOT REPORTED THE RT MAIN WHEEL BROKEN. PERFORMED VISUAL INSPECTION ON RT MLG & FOUND THE RT MLG AXLE BROKEN & MAIN TIRE WITH DAMAGE. R & R THE RT MLG LOWER BARREL IAW MM CHAPTER 32-10-00. OPERATIONS CHECKED GOOD. R & R RT MLG WHEEL ASSEMBLY IAW MM CHAPTER 32-40-00. THE AXLE HAD JUST RECEIVED VISUAL INSPECTION ON PHASE 2 CYCLES PRIOR. THE LOWER BARREL & AXLE HAD BEEN INSTALLED SINCE 18 JAN 2011 WITH A TOTAL TIME OF 3892.7 & TOTAL CYCLES OF 9039.