As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE INSPECTION NOTICED A STRONG FUEL SMELL AFTER APU START-UP REF LOG PAGE 3199769. COMPLIED WITH ETN-EM-72-034 PERFORMED PACKS WITH ENGINES AND APU RUNS. THE OPERATIONAL CHECK WAS GOOD NO FUEL SMELL NOTED DURING ECF FLIGHT 9808. THE AIRCRAFT WAS RETURNED TO SERVICE.