As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YIP - FLT 14035 - ON TAKEOFF WHEN AIRCRAFT STARTED TO PRESSURIZE, FUEL FUMES AND SMOKE ENTERED THE COCKPIT FROM THE FIRST OFFICER'S FLOOR VENT. THE CREW RETURNED TO POINT OF DEPARTURE. NO EMERGENCY PRODCEDURES WERE REQUIRED. THE PROBLEM WAS DETERMINED TO BE THE TURBO COMPRESSOR FAILED. REMOVED AND REPLACED UNIT AND SYSTEM OPERATIONAL CHECKED GOOD. (X)