As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE 1 HAD WHITE SMOKE COMING OUT WITH EXCESSIVE FUEL SMELL AS WE PULLED INTO THE GATE. THIS WAS NOTICED FROM A PAX (FLIGHT 3421 - FILED CLOSED) THIS DISCREPANCY WAS TRANSFERRED TO CAMP ITEM 29642646 WITH THE FOLLOWING CORRECTIVE ACTION: "TROUBLESHOT PER GEMM 72-00-00, REMOVED AND REPLACED LH ENG FMU IAW GEMM 73-00-00. SEE CP 29642736-1 FOR LEAK CHECK. UNABLE TO DUPLICATE DISCREPENCY, OPS CHECK GOOD AT THIS TIME. "