As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT DESCENDING THROUGH 10,000 FEET WHEN A JET FUEL ODOR COMING THROUGH AIR VENT. SMELL DISSIPATED. THERE WAS NO SMOKE IN THE ACFT. ALL ENG INSTRUMENTS INDICATING NORMAL. UPON LANDING, PILOT OPENED BOTH ENG COWLINGS LOOKING FOR OBVIOUS FUEL LEAK. FOUND END COVER BLOWN OFF INBOARD END OF PURGE TANK, NR 1 ENG. TT ON PART IS 2624.0 HRS.