What was found
(CAN) FLIGHT TAXIED INTO GATE 1. WHEN ENGINES WERE SHUTDOWN, THE RAMP LEAD ADIVSED THAT NR 1 ENGINE WAS ON FIRE FROM THE ENGINE EXHAUST, CREW DEPLANED THE PASSENGER RAPIDLY LEAVING CARRY-ON BAGS BEHIND. MAIN ADVISED FOP`S TO SPIN, ROTATE, THE NR 1 ENGINE TO EXTINGUSH THE FLAME. CFR TRUCKS WERE DISPATCHED AND STOOD BY. MAINTENANCE ADVISES IT WAS A OIL FIRE FROM RESIDUE OIL IN THE EXHAUST CAUSED BY A OIL LEAK. ONCE ACFT WAS CLEARED, PASSENGER REBOARDED AND COLLECTED PERSONAL ITEMS.