As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER AND FLIGHT ATTENDANTS COMPLAINED OF BURNING OIL SMELL ON APPROACH INTO CANCUN. NOTED AS NOT DEICE FLUID AND ALL HYDRAULIC SYSTEMS OVER FULL ESPECIALLY GREEN SYSTEM. CORRECTED BY MAINTENANCE DRAINING 1.5 GALLONS OF EXCESS FLUID FROM GREEN RESERVOIR.