What was found
AFTER LANDING & PARKED AT THE RAMP, WE HAD AN INDICATION OF BRAKE OVERHEAT ON THE EICAS. ALSO THE MFD INDICATION OF THE LT OTBD & INBD WENT TO THE TOP OF THE YELLOW ARC. THE RAMP PERSONNEL REPORTED SMOKE COMING FROM THE LT MAIN GEAR. AFTER THE POST FLIGHT SOME UNUSUAL & UNKNOWN CONDITION OF BOTH LT TIRES. CONTACTED MOC & SENT PICTURES OF THE TIRES & THEY AGREE WITH THE UNUSUAL. PERFORMED TAXI CHECK WITH THE CREW & BRAKE OPERATIONAL CHECK IAW AMM 32-41-00. INSPECTED TIRES & FOUND TO BE WITHIN LIMITS IAW AMM 32-49-01. ACFT OKAY FOR SERVICE.