What was found
(CAN) ON ROTATION NR 2 TIRE BLEW RECAP OFF. FLASH OF LIGHT SEEN FROM FLT DECK, LOUD BANG AND RUBBER ODOR IN C/P. RETURNED TO YYZ. ON ARRIVAL FOUND RECAP MISSING AND TIRE STILL INFLATED. CREW REPORTED NR 1 ENG VIBS UP TO 1.7 UPON INSPECTION FOUND DAMAGE TO SOME FAN BLADES ON NR 1 ENG. A/C HANGERED FOR INSPECTION AND OVERWIEGHT LANDING CHECK. TIRE HAD BEEN INSTALLED MAY 02 2003. ASSY HAD HAD TWO RECAPS