As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CREW RECORDED A FUEL DISCREPANCY FROM FLIGHT PLAN OF 200-300K. ON TAXI IN DISCREPANCY INCREASED TO 1.5K. WHEN ENGINE WAS CHECKED AFTER SHUTDOWN IT WAS FOUND TO BE LEAKING. MTCE CONFIRMS NR 1 ENGINE LEAKING SIGNIFICANTLY. AIRPORT FIRE DEPARTMENT RESPONDED WHEN EXTENT OF LEAK WAS DISCOVERED. ACFT TAKEN OFFLINE.