As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LANDING IN SAT STARTED APU. AFTER STARTING APU VERY STRONG FUEL ODOR IN CABIN. UPON INSP FOUND APU HIGH PRESS FUEL FILTER BOWL SEAL LEAKING. REPLACED O RING AND PERFORMED A LEAK CHECK PER MD 90 AMM 49-32. DUCT BURNOUT TWICE. SYSTEM OPS CK GOOD AT THIS TIME. NO FUEL FUMES. (LP# 3796393)