As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4285 (MSP TO YYZ) CREW REPORTED DURING LANDING THEY STARTED THE APU AND COULD SMELL FUEL FOR 5 SECONDS. DEFERRED PER MEL 49-10-11. FOUND APU OIL LOW, SERVICE OIL IAW AMM 12-13-49. BEGAN APU AND NO SMELL OF FUEL WAS DETECTED. CLEARED DEFERRAL 002209.