What was found
(CAN) AFTER LANDING, IT WAS NOTICED THAT THE NR 3 MAIN WHEEL TIRE WAS FLAT. THE NR 3 & 4 MAIN WHEEL ASSEMBLIES WERE REPLACED & THE ACFT RETURNED TO SERVICE. WHEEL ASSEMBLY PN 3-1573-1, SN 2560. TIRE PN DR0231T & SN 11357195. WHEEL TSR 547, CSR 378. ACFT TSN 1949, CSN 1305. ON REMOVAL THE TIRE WAS INSPECTED & FOUND TO BE WORN, APPROX 85%, BUT NOT YET TO LIMITS & THERE WAS NO OBVIOUS FOD DAMAGE TO THE TIRE. THE WHEEL ASSEMBLY WAS SENT TO OUR WHEEL SHOP WHERE IT WAS RE-INFLATED & CHECKED FOR LEAKS. THE TIRE WAS FOUND TO BE LEAKING FROM THE SIDEWALL THROUGH THE MFG INJECTION BLEED HOLES.