As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MECHANIC REMOVED BOTH MAIN WHEELS FROM A/C 7159 BECAUSE RIGHT O/B TIRE WAS FOUND FLAT. DURING A VISUAL LEAK CHECK IN WHEEL SHOP FOUND SUBASSEMBLY CRACKED AT BOTTOM OF KEY BOSS APPROXIMATELY 1 INCH LONG. WHEEL SUBASSEMBLY HAS BEEN REMOVED FROM SERVICE AND SENT TO ABS.