What was found
YYC - REJECTED TAKEOFF AT 103 KNOTS. RETURNED TO THE RAMP DUE TO COMPRESSOR STALL ON NR 4 ENGINE. ON POST-FLIGHT, FOUND NR 6 TIRE OVERHEATED AND BLOWN FUSE PLUG. REMOVED AND REPLACED NR 5 AND NR 6 MAIN WHEEL ASSEMBLIES IAW MM 32-40-2. PERFORMED INSPECTION OF FUSELAGE, ENGINE, AND BRAKES BECAUSE OF REJECTED TAKEOFF. NO DEFECTS NOTED. SUSPECT NR 4 ENGINE PBRC VALVE STICKING. LUBED SAME. RAN ENGINE FULL TAKEOFF POWER. RESULTS SATISFACTORY. AIRCRAFT RELEASED FOR FLIGHT. (X)