As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL BURN WAS DOUBLE WHAT IT SHOULD BE TAXIING TO THE RUNWAY. FAS SAID THEY SMELLED FUEL VAPORS IN THE CABIN WHILE SITTING WAITING FOR TAKEOFF. OPEN AND INSPECTED ENGINES FOUND NO ISSUES, RAN ENGINES FOR 5 MIN NO ISSUES FOUND DURING RUN.